Patched in Tegra support.

104 files changed, 3541 insertions, 1810 deletions

diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild
index e26d430ce2f..2c2e38821f6 100644
--- a/arch/sparc/include/asm/Kbuild
+++ b/arch/sparc/include/asm/Kbuild
@@ -1,12 +1,23 @@
 # User exported sparc header files
+include include/asm-generic/Kbuild.asm
 
+header-y += apc.h
+header-y += asi.h
+header-y += display7seg.h
+header-y += envctrl.h
+header-y += fbio.h
+header-y += jsflash.h
+header-y += openpromio.h
+header-y += perfctr.h
+header-y += psrcompat.h
+header-y += psr.h
+header-y += pstate.h
+header-y += traps.h
+header-y += uctx.h
+header-y += utrap.h
+header-y += watchdog.h
 
-generic-y += clkdev.h
 generic-y += div64.h
-generic-y += exec.h
 generic-y += local64.h
 generic-y += irq_regs.h
 generic-y += local.h
-generic-y += module.h
-generic-y += trace_clock.h
-generic-y += word-at-a-time.h
diff --git a/arch/sparc/include/asm/asmmacro.h b/arch/sparc/include/asm/asmmacro.h
index a0e28ef0255..a995bf8aba3 100644
--- a/arch/sparc/include/asm/asmmacro.h
+++ b/arch/sparc/include/asm/asmmacro.h
@@ -6,6 +6,17 @@
 #ifndef _SPARC_ASMMACRO_H
 #define _SPARC_ASMMACRO_H
 
+#include <asm/btfixup.h>
+#include <asm/asi.h>
+
+#define GET_PROCESSOR4M_ID(reg) \
+        rd      %tbr, %reg; \
+        srl     %reg, 12, %reg; \
+        and     %reg, 3, %reg;
+
+#define GET_PROCESSOR4D_ID(reg) \
+        lda     [%g0] ASI_M_VIKING_TMP1, %reg;
+
 /* All trap entry points _must_ begin with this macro or else you
  * lose.  It makes sure the kernel has a proper window so that
  * c-code can be called.
@@ -20,26 +31,10 @@
 /* All traps low-level code here must end with this macro. */
 #define RESTORE_ALL b ret_trap_entry; clr %l6;
 
-/* Support for run-time patching of single instructions.
- * This is used to handle the differences in the ASI for
- * MMUREGS for LEON and SUN.
- *
- * Sample:
- * LEON_PI(lda [%g0] ASI_LEON_MMUREGS, %o0
- * SUN_PI_(lda [%g0] ASI_M_MMUREGS, %o0
- * PI == Patch Instruction
- *
- * For LEON we will use the first variant,
- * and for all other we will use the SUN variant.
- * The order is important.
- */
-#define LEON_PI(...)                            \
-662:    __VA_ARGS__
-
-#define SUN_PI_(...)                            \
-        .section .leon_1insn_patch, "ax";       \
-        .word 662b;                             \
-        __VA_ARGS__;                            \
-        .previous
+/* sun4 probably wants half word accesses to ASI_SEGMAP, while sun4c+
+   likes byte accesses. These are to avoid ifdef mania. */
+
+#define lduXa   lduba
+#define stXa    stba
 
 #endif /* !(_SPARC_ASMMACRO_H) */
diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h
index 905832aa9e9..5c3c8b69884 100644
--- a/arch/sparc/include/asm/atomic_32.h
+++ b/arch/sparc/include/asm/atomic_32.h
@@ -13,9 +13,9 @@
 
 #include <linux/types.h>
 
-#include <asm/cmpxchg.h>
-#include <asm-generic/atomic64.h>
+#ifdef __KERNEL__
 
+#include <asm/system.h>
 
 #define ATOMIC_INIT(i)  { (i) }
 
@@ -52,10 +52,112 @@ extern void atomic_set(atomic_t *, int);
 #define atomic_dec_and_test(v) (atomic_dec_return(v) == 0)
 #define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
 
+
+/* This is the old 24-bit implementation.  It's still used internally
+ * by some sparc-specific code, notably the semaphore implementation.
+ */
+typedef struct { volatile int counter; } atomic24_t;
+
+#ifndef CONFIG_SMP
+
+#define ATOMIC24_INIT(i)  { (i) }
+#define atomic24_read(v)          ((v)->counter)
+#define atomic24_set(v, i)        (((v)->counter) = i)
+
+#else
+/* We do the bulk of the actual work out of line in two common
+ * routines in assembler, see arch/sparc/lib/atomic.S for the
+ * "fun" details.
+ *
+ * For SMP the trick is you embed the spin lock byte within
+ * the word, use the low byte so signedness is easily retained
+ * via a quick arithmetic shift.  It looks like this:
+ *
+ *      ----------------------------------------
+ *      | signed 24-bit counter value |  lock  |  atomic_t
+ *      ----------------------------------------
+ *       31                          8 7      0
+ */
+
+#define ATOMIC24_INIT(i)        { ((i) << 8) }
+
+static inline int atomic24_read(const atomic24_t *v)
+{
+        int ret = v->counter;
+
+        while(ret & 0xff)
+                ret = v->counter;
+
+        return ret >> 8;
+}
+
+#define atomic24_set(v, i)      (((v)->counter) = ((i) << 8))
+#endif
+
+static inline int __atomic24_add(int i, atomic24_t *v)
+{
+        register volatile int *ptr asm("g1");
+        register int increment asm("g2");
+        register int tmp1 asm("g3");
+        register int tmp2 asm("g4");
+        register int tmp3 asm("g7");
+
+        ptr = &v->counter;
+        increment = i;
+
+        __asm__ __volatile__(
+        "mov    %%o7, %%g4\n\t"
+        "call   ___atomic24_add\n\t"
+        " add   %%o7, 8, %%o7\n"
+        : "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3)
+        : "0" (increment), "r" (ptr)
+        : "memory", "cc");
+
+        return increment;
+}
+
+static inline int __atomic24_sub(int i, atomic24_t *v)
+{
+        register volatile int *ptr asm("g1");
+        register int increment asm("g2");
+        register int tmp1 asm("g3");
+        register int tmp2 asm("g4");
+        register int tmp3 asm("g7");
+
+        ptr = &v->counter;
+        increment = i;
+
+        __asm__ __volatile__(
+        "mov    %%o7, %%g4\n\t"
+        "call   ___atomic24_sub\n\t"
+        " add   %%o7, 8, %%o7\n"
+        : "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3)
+        : "0" (increment), "r" (ptr)
+        : "memory", "cc");
+
+        return increment;
+}
+
+#define atomic24_add(i, v) ((void)__atomic24_add((i), (v)))
+#define atomic24_sub(i, v) ((void)__atomic24_sub((i), (v)))
+
+#define atomic24_dec_return(v) __atomic24_sub(1, (v))
+#define atomic24_inc_return(v) __atomic24_add(1, (v))
+
+#define atomic24_sub_and_test(i, v) (__atomic24_sub((i), (v)) == 0)
+#define atomic24_dec_and_test(v) (__atomic24_sub(1, (v)) == 0)
+
+#define atomic24_inc(v) ((void)__atomic24_add(1, (v)))
+#define atomic24_dec(v) ((void)__atomic24_sub(1, (v)))
+
+#define atomic24_add_negative(i, v) (__atomic24_add((i), (v)) < 0)
+
 /* Atomic operations are already serializing */
 #define smp_mb__before_atomic_dec()     barrier()
 #define smp_mb__after_atomic_dec()      barrier()
 #define smp_mb__before_atomic_inc()     barrier()
 #define smp_mb__after_atomic_inc()      barrier()
 
+#endif /* !(__KERNEL__) */
+
 #endif /* !(__ARCH_SPARC_ATOMIC__) */
diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
index be56a244c9c..9f421df46ae 100644
--- a/arch/sparc/include/asm/atomic_64.h
+++ b/arch/sparc/include/asm/atomic_64.h
@@ -1,14 +1,14 @@
 /* atomic.h: Thankfully the V9 is at least reasonable for this
  *           stuff.
  *
- * Copyright (C) 1996, 1997, 2000, 2012 David S. Miller (davem@redhat.com)
+ * Copyright (C) 1996, 1997, 2000 David S. Miller (davem@redhat.com)
  */
 
 #ifndef __ARCH_SPARC64_ATOMIC__
 #define __ARCH_SPARC64_ATOMIC__
 
 #include <linux/types.h>
-#include <asm/cmpxchg.h>
+#include <asm/system.h>
 
 #define ATOMIC_INIT(i)          { (i) }
 #define ATOMIC64_INIT(i)        { (i) }
@@ -85,6 +85,7 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
         return c;
 }
 
+
 #define atomic64_cmpxchg(v, o, n) \
         ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n)))
 #define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
@@ -106,8 +107,6 @@ static inline long atomic64_add_unless(atomic64_t *v, long a, long u)
 
 #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
 
-extern long atomic64_dec_if_positive(atomic64_t *v);
-
 /* Atomic operations are already serializing */
 #define smp_mb__before_atomic_dec()     barrier()
 #define smp_mb__after_atomic_dec()      barrier()
diff --git a/arch/sparc/include/asm/auxio_32.h b/arch/sparc/include/asm/auxio_32.h
index 3a319775ae3..e03e088be95 100644
--- a/arch/sparc/include/asm/auxio_32.h
+++ b/arch/sparc/include/asm/auxio_32.h
@@ -6,6 +6,7 @@
 #ifndef _SPARC_AUXIO_H
 #define _SPARC_AUXIO_H
 
+#include <asm/system.h>
 #include <asm/vaddrs.h>
 
 /* This register is an unsigned char in IO space.  It does two things.
diff --git a/arch/sparc/include/asm/backoff.h b/arch/sparc/include/asm/backoff.h
index 4e02086b839..db3af0d30fb 100644
--- a/arch/sparc/include/asm/backoff.h
+++ b/arch/sparc/include/asm/backoff.h
@@ -1,46 +1,6 @@
 #ifndef _SPARC64_BACKOFF_H
 #define _SPARC64_BACKOFF_H
 
-/* The macros in this file implement an exponential backoff facility
- * for atomic operations.
- *
- * When multiple threads compete on an atomic operation, it is
- * possible for one thread to be continually denied a successful
- * completion of the compare-and-swap instruction.  Heavily
- * threaded cpu implementations like Niagara can compound this
- * problem even further.
- *
- * When an atomic operation fails and needs to be retried, we spin a
- * certain number of times.  At each subsequent failure of the same
- * operation we double the spin count, realizing an exponential
- * backoff.
- *
- * When we spin, we try to use an operation that will cause the
- * current cpu strand to block, and therefore make the core fully
- * available to any other other runnable strands.  There are two
- * options, based upon cpu capabilities.
- *
- * On all cpus prior to SPARC-T4 we do three dummy reads of the
- * condition code register.  Each read blocks the strand for something
- * between 40 and 50 cpu cycles.
- *
- * For SPARC-T4 and later we have a special "pause" instruction
- * available.  This is implemented using writes to register %asr27.
- * The cpu will block the number of cycles written into the register,
- * unless a disrupting trap happens first.  SPARC-T4 specifically
- * implements pause with a granularity of 8 cycles.  Each strand has
- * an internal pause counter which decrements every 8 cycles.  So the
- * chip shifts the %asr27 value down by 3 bits, and writes the result
- * into the pause counter.  If a value smaller than 8 is written, the
- * chip blocks for 1 cycle.
- *
- * To achieve the same amount of backoff as the three %ccr reads give
- * on earlier chips, we shift the backoff value up by 7 bits.  (Three
- * %ccr reads block for about 128 cycles, 1 << 7 == 128) We write the
- * whole amount we want to block into the pause register, rather than
- * loop writing 128 each time.
- */
-
 #define BACKOFF_LIMIT   (4 * 1024)
 
 #ifdef CONFIG_SMP
@@ -51,25 +11,16 @@
 #define BACKOFF_LABEL(spin_label, continue_label) \
         spin_label
 
-#define BACKOFF_SPIN(reg, tmp, label)           \
-        mov             reg, tmp;               \
-88:     rd              %ccr, %g0;              \
-        rd              %ccr, %g0;              \
-        rd              %ccr, %g0;              \
-        .section        .pause_3insn_patch,"ax";\
-        .word           88b;                    \
-        sllx            tmp, 7, tmp;            \
-        wr              tmp, 0, %asr27;         \
-        clr             tmp;                    \
-        .previous;                              \
-        brnz,pt         tmp, 88b;               \
-         sub            tmp, 1, tmp;            \
-        set             BACKOFF_LIMIT, tmp;     \
-        cmp             reg, tmp;               \
-        bg,pn           %xcc, label;            \
-         nop;                                   \
-        ba,pt           %xcc, label;            \
-         sllx           reg, 1, reg;
+#define BACKOFF_SPIN(reg, tmp, label)   \
+        mov     reg, tmp; \
+88:     brnz,pt tmp, 88b; \
+         sub    tmp, 1, tmp; \
+        set     BACKOFF_LIMIT, tmp; \
+        cmp     reg, tmp; \
+        bg,pn   %xcc, label; \
+         nop; \
+        ba,pt   %xcc, label; \
+         sllx   reg, 1, reg;
 
 #else
 
diff --git a/arch/sparc/include/asm/barrier.h b/arch/sparc/include/asm/barrier.h
deleted file mode 100644
index b25f02a029e..00000000000
--- a/arch/sparc/include/asm/barrier.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef ___ASM_SPARC_BARRIER_H
-#define ___ASM_SPARC_BARRIER_H
-#if defined(__sparc__) && defined(__arch64__)
-#include <asm/barrier_64.h>
-#else
-#include <asm/barrier_32.h>
-#endif
-#endif
diff --git a/arch/sparc/include/asm/barrier_32.h b/arch/sparc/include/asm/barrier_32.h
deleted file mode 100644
index c1b76654ee7..00000000000
--- a/arch/sparc/include/asm/barrier_32.h
+++ /dev/null
@@ -1,15 +0,0 @@
-#ifndef __SPARC_BARRIER_H
-#define __SPARC_BARRIER_H
-
-/* XXX Change this if we ever use a PSO mode kernel. */
-#define mb()    __asm__ __volatile__ ("" : : : "memory")
-#define rmb()   mb()
-#define wmb()   mb()
-#define read_barrier_depends()  do { } while(0)
-#define set_mb(__var, __value)  do { __var = __value; mb(); } while(0)
-#define smp_mb()        __asm__ __volatile__("":::"memory")
-#define smp_rmb()       __asm__ __volatile__("":::"memory")
-#define smp_wmb()       __asm__ __volatile__("":::"memory")
-#define smp_read_barrier_depends()      do { } while(0)
-
-#endif /* !(__SPARC_BARRIER_H) */
diff --git a/arch/sparc/include/asm/barrier_64.h b/arch/sparc/include/asm/barrier_64.h
deleted file mode 100644
index 95d45986f90..00000000000
--- a/arch/sparc/include/asm/barrier_64.h
+++ /dev/null
@@ -1,56 +0,0 @@
-#ifndef __SPARC64_BARRIER_H
-#define __SPARC64_BARRIER_H
-
-/* These are here in an effort to more fully work around Spitfire Errata
- * #51.  Essentially, if a memory barrier occurs soon after a mispredicted
- * branch, the chip can stop executing instructions until a trap occurs.
- * Therefore, if interrupts are disabled, the chip can hang forever.
- *
- * It used to be believed that the memory barrier had to be right in the
- * delay slot, but a case has been traced recently wherein the memory barrier
- * was one instruction after the branch delay slot and the chip still hung.
- * The offending sequence was the following in sym_wakeup_done() of the
- * sym53c8xx_2 driver:
- *
- *      call    sym_ccb_from_dsa, 0
- *       movge  %icc, 0, %l0
- *      brz,pn  %o0, .LL1303
- *       mov    %o0, %l2
- *      membar  #LoadLoad
- *
- * The branch has to be mispredicted for the bug to occur.  Therefore, we put
- * the memory barrier explicitly into a "branch always, predicted taken"
- * delay slot to avoid the problem case.
- */
-#define membar_safe(type) \
-do {    __asm__ __volatile__("ba,pt     %%xcc, 1f\n\t" \
-                             " membar   " type "\n" \
-                             "1:\n" \
-                             : : : "memory"); \
-} while (0)
-
-/* The kernel always executes in TSO memory model these days,
- * and furthermore most sparc64 chips implement more stringent
- * memory ordering than required by the specifications.
- */
-#define mb()    membar_safe("#StoreLoad")
-#define rmb()   __asm__ __volatile__("":::"memory")
-#define wmb()   __asm__ __volatile__("":::"memory")
-
-#define read_barrier_depends()          do { } while(0)
-#define set_mb(__var, __value) \
-        do { __var = __value; membar_safe("#StoreLoad"); } while(0)
-
-#ifdef CONFIG_SMP
-#define smp_mb()        mb()
-#define smp_rmb()       rmb()
-#define smp_wmb()       wmb()
-#else
-#define smp_mb()        __asm__ __volatile__("":::"memory")
-#define smp_rmb()       __asm__ __volatile__("":::"memory")
-#define smp_wmb()       __asm__ __volatile__("":::"memory")
-#endif
-
-#define smp_read_barrier_depends()      do { } while(0)
-
-#endif /* !(__SPARC64_BARRIER_H) */
diff --git a/arch/sparc/include/asm/bug.h b/arch/sparc/include/asm/bug.h
index 6bd9f43cb5a..8a59e5a8c21 100644
--- a/arch/sparc/include/asm/bug.h
+++ b/arch/sparc/include/asm/bug.h
@@ -19,7 +19,4 @@ extern void do_BUG(const char *file, int line);
 
 #include <asm-generic/bug.h>
 
-struct pt_regs;
-extern void die_if_kernel(char *str, struct pt_regs *regs) __attribute__ ((noreturn));
-
 #endif
diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h
index 5bb6991b485..69358b590c9 100644
--- a/arch/sparc/include/asm/cache.h
+++ b/arch/sparc/include/asm/cache.h
@@ -22,4 +22,118 @@
 
 #define __read_mostly __attribute__((__section__(".data..read_mostly")))
 
+#ifdef CONFIG_SPARC32
+#include <asm/asi.h>
+
+/* Direct access to the instruction cache is provided through and
+ * alternate address space.  The IDC bit must be off in the ICCR on
+ * HyperSparcs for these accesses to work.  The code below does not do
+ * any checking, the caller must do so.  These routines are for
+ * diagnostics only, but could end up being useful.  Use with care.
+ * Also, you are asking for trouble if you execute these in one of the
+ * three instructions following a %asr/%psr access or modification.
+ */
+
+/* First, cache-tag access. */
+static inline unsigned int get_icache_tag(int setnum, int tagnum)
+{
+        unsigned int vaddr, retval;
+
+        vaddr = ((setnum&1) << 12) | ((tagnum&0x7f) << 5);
+        __asm__ __volatile__("lda [%1] %2, %0\n\t" :
+                             "=r" (retval) :
+                             "r" (vaddr), "i" (ASI_M_TXTC_TAG));
+        return retval;
+}
+
+static inline void put_icache_tag(int setnum, int tagnum, unsigned int entry)
+{
+        unsigned int vaddr;
+
+        vaddr = ((setnum&1) << 12) | ((tagnum&0x7f) << 5);
+        __asm__ __volatile__("sta %0, [%1] %2\n\t" : :
+                             "r" (entry), "r" (vaddr), "i" (ASI_M_TXTC_TAG) :
+                             "memory");
+}
+
+/* Second cache-data access.  The data is returned two-32bit quantities
+ * at a time.
+ */
+static inline void get_icache_data(int setnum, int tagnum, int subblock,
+                                       unsigned int *data)
+{
+        unsigned int value1, value2, vaddr;
+
+        vaddr = ((setnum&0x1) << 12) | ((tagnum&0x7f) << 5) |
+                ((subblock&0x3) << 3);
+        __asm__ __volatile__("ldda [%2] %3, %%g2\n\t"
+                             "or %%g0, %%g2, %0\n\t"
+                             "or %%g0, %%g3, %1\n\t" :
+                             "=r" (value1), "=r" (value2) :
+                             "r" (vaddr), "i" (ASI_M_TXTC_DATA) :
+                             "g2", "g3");
+        data[0] = value1; data[1] = value2;
+}
+
+static inline void put_icache_data(int setnum, int tagnum, int subblock,
+                                       unsigned int *data)
+{
+        unsigned int value1, value2, vaddr;
+
+        vaddr = ((setnum&0x1) << 12) | ((tagnum&0x7f) << 5) |
+                ((subblock&0x3) << 3);
+        value1 = data[0]; value2 = data[1];
+        __asm__ __volatile__("or %%g0, %0, %%g2\n\t"
+                             "or %%g0, %1, %%g3\n\t"
+                             "stda %%g2, [%2] %3\n\t" : :
+                             "r" (value1), "r" (value2), 
+                             "r" (vaddr), "i" (ASI_M_TXTC_DATA) :
+                             "g2", "g3", "memory" /* no joke */);
+}
+
+/* Different types of flushes with the ICACHE.  Some of the flushes
+ * affect both the ICACHE and the external cache.  Others only clear
+ * the ICACHE entries on the cpu itself.  V8's (most) allow
+ * granularity of flushes on the packet (element in line), whole line,
+ * and entire cache (ie. all lines) level.  The ICACHE only flushes are
+ * ROSS HyperSparc specific and are in ross.h
+ */
+
+/* Flushes which clear out both the on-chip and external caches */
+static inline void flush_ei_page(unsigned int addr)
+{
+        __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : :
+                             "r" (addr), "i" (ASI_M_FLUSH_PAGE) :
+                             "memory");
+}
+
+static inline void flush_ei_seg(unsigned int addr)
+{
+        __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : :
+                             "r" (addr), "i" (ASI_M_FLUSH_SEG) :
+                             "memory");
+}
+
+static inline void flush_ei_region(unsigned int addr)
+{
+        __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : :
+                             "r" (addr), "i" (ASI_M_FLUSH_REGION) :
+                             "memory");
+}
+
+static inline void flush_ei_ctx(unsigned int addr)
+{
+        __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : :
+                             "r" (addr), "i" (ASI_M_FLUSH_CTX) :
+                             "memory");
+}
+
+static inline void flush_ei_user(unsigned int addr)
+{
+        __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : :
+                             "r" (addr), "i" (ASI_M_FLUSH_USER) :
+                             "memory");
+}
+#endif /* CONFIG_SPARC32 */
+
 #endif /* !(_SPARC_CACHE_H) */
diff --git a/arch/sparc/include/asm/cacheflush.h b/arch/sparc/include/asm/cacheflush.h
index f6c4839b838..049168087b1 100644
--- a/arch/sparc/include/asm/cacheflush.h
+++ b/arch/sparc/include/asm/cacheflush.h
@@ -1,9 +1,5 @@
 #ifndef ___ASM_SPARC_CACHEFLUSH_H
 #define ___ASM_SPARC_CACHEFLUSH_H
-
-/* flush addr - to allow use of self-modifying code */
-#define flushi(addr)    __asm__ __volatile__ ("flush %0" : : "r" (addr) : "memory")
-
 #if defined(__sparc__) && defined(__arch64__)
 #include <asm/cacheflush_64.h>
 #else
diff --git a/arch/sparc/include/asm/cacheflush_32.h b/arch/sparc/include/asm/cacheflush_32.h
index bb014c24f31..2e468773f25 100644
--- a/arch/sparc/include/asm/cacheflush_32.h
+++ b/arch/sparc/include/asm/cacheflush_32.h
@@ -1,18 +1,56 @@
 #ifndef _SPARC_CACHEFLUSH_H
 #define _SPARC_CACHEFLUSH_H
 
-#include <asm/cachetlb_32.h>
-
-#define flush_cache_all() \
-        sparc32_cachetlb_ops->cache_all()
-#define flush_cache_mm(mm) \
-        sparc32_cachetlb_ops->cache_mm(mm)
-#define flush_cache_dup_mm(mm) \
-        sparc32_cachetlb_ops->cache_mm(mm)
-#define flush_cache_range(vma,start,end) \
-        sparc32_cachetlb_ops->cache_range(vma, start, end)
-#define flush_cache_page(vma,addr,pfn) \
-        sparc32_cachetlb_ops->cache_page(vma, addr)
+#include <linux/mm.h>           /* Common for other includes */
+// #include <linux/kernel.h> from pgalloc.h
+// #include <linux/sched.h>  from pgalloc.h
+
+// #include <asm/page.h>
+#include <asm/btfixup.h>
+
+/*
+ * Fine grained cache flushing.
+ */
+#ifdef CONFIG_SMP
+
+BTFIXUPDEF_CALL(void, local_flush_cache_all, void)
+BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *)
+BTFIXUPDEF_CALL(void, local_flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)
+BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long)
+
+#define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)()
+#define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm)
+#define local_flush_cache_range(vma,start,end) BTFIXUP_CALL(local_flush_cache_range)(vma,start,end)
+#define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr)
+
+BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long)
+BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long)
+
+#define local_flush_page_to_ram(addr) BTFIXUP_CALL(local_flush_page_to_ram)(addr)
+#define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr)
+
+extern void smp_flush_cache_all(void);
+extern void smp_flush_cache_mm(struct mm_struct *mm);
+extern void smp_flush_cache_range(struct vm_area_struct *vma,
+                                  unsigned long start,
+                                  unsigned long end);
+extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page);
+
+extern void smp_flush_page_to_ram(unsigned long page);
+extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr);
+
+#endif /* CONFIG_SMP */
+
+BTFIXUPDEF_CALL(void, flush_cache_all, void)
+BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *)
+BTFIXUPDEF_CALL(void, flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)
+BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long)
+
+#define flush_cache_all() BTFIXUP_CALL(flush_cache_all)()
+#define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
+#define flush_cache_dup_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
+#define flush_cache_range(vma,start,end) BTFIXUP_CALL(flush_cache_range)(vma,start,end)
+#define flush_cache_page(vma,addr,pfn) BTFIXUP_CALL(flush_cache_page)(vma,addr)
 #define flush_icache_range(start, end)          do { } while (0)
 #define flush_icache_page(vma, pg)              do { } while (0)
 
@@ -29,12 +67,11 @@
                 memcpy(dst, src, len);                          \
         } while (0)
 
-#define __flush_page_to_ram(addr) \
-        sparc32_cachetlb_ops->page_to_ram(addr)
-#define flush_sig_insns(mm,insn_addr) \
-        sparc32_cachetlb_ops->sig_insns(mm, insn_addr)
-#define flush_page_for_dma(addr) \
-        sparc32_cachetlb_ops->page_for_dma(addr)
+BTFIXUPDEF_CALL(void, __flush_page_to_ram, unsigned long)
+BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long)
+
+#define __flush_page_to_ram(addr) BTFIXUP_CALL(__flush_page_to_ram)(addr)
+#define flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(flush_sig_insns)(mm,insn_addr)
 
 extern void sparc_flush_page_to_ram(struct page *page);
 
@@ -46,13 +83,4 @@ extern void sparc_flush_page_to_ram(struct page *page);
 #define flush_cache_vmap(start, end)            flush_cache_all()
 #define flush_cache_vunmap(start, end)          flush_cache_all()
 
-/* When a context switch happens we must flush all user windows so that
- * the windows of the current process are flushed onto its stack. This
- * way the windows are all clean for the next process and the stack
- * frames are up to date.
- */
-extern void flush_user_windows(void);
-extern void kill_user_windows(void);
-extern void flushw_all(void);
-
 #endif /* _SPARC_CACHEFLUSH_H */
diff --git a/arch/sparc/include/asm/cacheflush_64.h b/arch/sparc/include/asm/cacheflush_64.h
index 301736d9e7a..b95384033e8 100644
--- a/arch/sparc/include/asm/cacheflush_64.h
+++ b/arch/sparc/include/asm/cacheflush_64.h
@@ -8,13 +8,6 @@
 #include <linux/mm.h>
 
 /* Cache flush operations. */
-#define flushw_all()    __asm__ __volatile__("flushw")
-
-extern void __flushw_user(void);
-#define flushw_user() __flushw_user()
-
-#define flush_user_windows flushw_user
-#define flush_register_windows flushw_all
 
 /* These are the same regardless of whether this is an SMP kernel or not. */
 #define flush_cache_mm(__mm) \
diff --git a/arch/sparc/include/asm/cachetlb_32.h b/arch/sparc/include/asm/cachetlb_32.h
deleted file mode 100644
index efb19889a08..00000000000
--- a/arch/sparc/include/asm/cachetlb_32.h
+++ /dev/null
@@ -1,29 +0,0 @@
-#ifndef _SPARC_CACHETLB_H
-#define _SPARC_CACHETLB_H
-
-struct mm_struct;
-struct vm_area_struct;
-
-struct sparc32_cachetlb_ops {
-        void (*cache_all)(void);
-        void (*cache_mm)(struct mm_struct *);
-        void (*cache_range)(struct vm_area_struct *, unsigned long,
-                            unsigned long);
-        void (*cache_page)(struct vm_area_struct *, unsigned long);
-
-        void (*tlb_all)(void);
-        void (*tlb_mm)(struct mm_struct *);
-        void (*tlb_range)(struct vm_area_struct *, unsigned long,
-                          unsigned long);
-        void (*tlb_page)(struct vm_area_struct *, unsigned long);
-
-        void (*page_to_ram)(unsigned long);
-        void (*sig_insns)(struct mm_struct *, unsigned long);
-        void (*page_for_dma)(unsigned long);
-};
-extern const struct sparc32_cachetlb_ops *sparc32_cachetlb_ops;
-#ifdef CONFIG_SMP
-extern const struct sparc32_cachetlb_ops *local_ops;
-#endif
-
-#endif /* SPARC_CACHETLB_H */
diff --git a/arch/sparc/include/asm/cmpxchg.h b/arch/sparc/include/asm/cmpxchg.h
deleted file mode 100644
index 9355893efa5..00000000000
--- a/arch/sparc/include/asm/cmpxchg.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef ___ASM_SPARC_CMPXCHG_H
-#define ___ASM_SPARC_CMPXCHG_H
-#if defined(__sparc__) && defined(__arch64__)
-#include <asm/cmpxchg_64.h>
-#else
-#include <asm/cmpxchg_32.h>
-#endif
-#endif
diff --git a/arch/sparc/include/asm/cmpxchg_32.h b/arch/sparc/include/asm/cmpxchg_32.h
deleted file mode 100644
index 1fae1a02e3c..00000000000
--- a/arch/sparc/include/asm/cmpxchg_32.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/* 32-bit atomic xchg() and cmpxchg() definitions.
- *
- * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
- * Copyright (C) 2000 Anton Blanchard (anton@linuxcare.com.au)
- * Copyright (C) 2007 Kyle McMartin (kyle@parisc-linux.org)
- *
- * Additions by Keith M Wesolowski (wesolows@foobazco.org) based
- * on asm-parisc/atomic.h Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>.
- */
-
-#ifndef __ARCH_SPARC_CMPXCHG__
-#define __ARCH_SPARC_CMPXCHG__
-
-static inline unsigned long xchg_u32(__volatile__ unsigned long *m, unsigned long val)
-{
-        __asm__ __volatile__("swap [%2], %0"
-                             : "=&r" (val)
-                             : "0" (val), "r" (m)
-                             : "memory");
-        return val;
-}
-
-extern void __xchg_called_with_bad_pointer(void);
-
-static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, int size)
-{
-        switch (size) {
-        case 4:
-                return xchg_u32(ptr, x);
-        }
-        __xchg_called_with_bad_pointer();
-        return x;
-}
-
-#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-
-/* Emulate cmpxchg() the same way we emulate atomics,
- * by hashing the object address and indexing into an array
- * of spinlocks to get a bit of performance...
- *
- * See arch/sparc/lib/atomic32.c for implementation.
- *
- * Cribbed from <asm-parisc/atomic.h>
- */
-#define __HAVE_ARCH_CMPXCHG     1
-
-/* bug catcher for when unsupported size is used - won't link */
-extern void __cmpxchg_called_with_bad_pointer(void);
-/* we only need to support cmpxchg of a u32 on sparc */
-extern unsigned long __cmpxchg_u32(volatile u32 *m, u32 old, u32 new_);
-
-/* don't worry...optimizer will get rid of most of this */
-static inline unsigned long
-__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size)
-{
-        switch (size) {
-        case 4:
-                return __cmpxchg_u32((u32 *)ptr, (u32)old, (u32)new_);
-        default:
-                __cmpxchg_called_with_bad_pointer();
-                break;
-        }
-        return old;
-}
-
-#define cmpxchg(ptr, o, n)                                              \
-({                                                                      \
-        __typeof__(*(ptr)) _o_ = (o);                                   \
-        __typeof__(*(ptr)) _n_ = (n);                                   \
-        (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_,       \
-                        (unsigned long)_n_, sizeof(*(ptr)));            \
-})
-
-#include <asm-generic/cmpxchg-local.h>
-
-/*
- * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
- * them available.
- */
-#define cmpxchg_local(ptr, o, n)                                               \
-        ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\
-                        (unsigned long)(n), sizeof(*(ptr))))
-#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
-
-#endif /* __ARCH_SPARC_CMPXCHG__ */
diff --git a/arch/sparc/include/asm/cmpxchg_64.h b/arch/sparc/include/asm/cmpxchg_64.h
deleted file mode 100644
index b30eb37294c..00000000000
--- a/arch/sparc/include/asm/cmpxchg_64.h
+++ /dev/null
@@ -1,145 +0,0 @@
-/* 64-bit atomic xchg() and cmpxchg() definitions.
- *
- * Copyright (C) 1996, 1997, 2000 David S. Miller (davem@redhat.com)
- */
-
-#ifndef __ARCH_SPARC64_CMPXCHG__
-#define __ARCH_SPARC64_CMPXCHG__
-
-static inline unsigned long xchg32(__volatile__ unsigned int *m, unsigned int val)
-{
-        unsigned long tmp1, tmp2;
-
-        __asm__ __volatile__(
-"       mov             %0, %1\n"
-"1:     lduw            [%4], %2\n"
-"       cas             [%4], %2, %0\n"
-"       cmp             %2, %0\n"
-"       bne,a,pn        %%icc, 1b\n"
-"        mov            %1, %0\n"
-        : "=&r" (val), "=&r" (tmp1), "=&r" (tmp2)
-        : "0" (val), "r" (m)
-        : "cc", "memory");
-        return val;
-}
-
-static inline unsigned long xchg64(__volatile__ unsigned long *m, unsigned long val)
-{
-        unsigned long tmp1, tmp2;
-
-        __asm__ __volatile__(
-"       mov             %0, %1\n"
-"1:     ldx             [%4], %2\n"
-"       casx            [%4], %2, %0\n"
-"       cmp             %2, %0\n"
-"       bne,a,pn        %%xcc, 1b\n"
-"        mov            %1, %0\n"
-        : "=&r" (val), "=&r" (tmp1), "=&r" (tmp2)
-        : "0" (val), "r" (m)
-        : "cc", "memory");
-        return val;
-}
-
-#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
-
-extern void __xchg_called_with_bad_pointer(void);
-
-static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr,
-                                       int size)
-{
-        switch (size) {
-        case 4:
-                return xchg32(ptr, x);
-        case 8:
-                return xchg64(ptr, x);
-        }
-        __xchg_called_with_bad_pointer();
-        return x;
-}
-
-/*
- * Atomic compare and exchange.  Compare OLD with MEM, if identical,
- * store NEW in MEM.  Return the initial value in MEM.  Success is
- * indicated by comparing RETURN with OLD.
- */
-
-#include <asm-generic/cmpxchg-local.h>
-
-#define __HAVE_ARCH_CMPXCHG 1
-
-static inline unsigned long
-__cmpxchg_u32(volatile int *m, int old, int new)
-{
-        __asm__ __volatile__("cas [%2], %3, %0"
-                             : "=&r" (new)
-                             : "0" (new), "r" (m), "r" (old)
-                             : "memory");
-
-        return new;
-}
-
-static inline unsigned long
-__cmpxchg_u64(volatile long *m, unsigned long old, unsigned long new)
-{
-        __asm__ __volatile__("casx [%2], %3, %0"
-                             : "=&r" (new)
-                             : "0" (new), "r" (m), "r" (old)
-                             : "memory");
-
-        return new;
-}
-
-/* This function doesn't exist, so you'll get a linker error
-   if something tries to do an invalid cmpxchg().  */
-extern void __cmpxchg_called_with_bad_pointer(void);
-
-static inline unsigned long
-__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
-{
-        switch (size) {
-                case 4:
-                        return __cmpxchg_u32(ptr, old, new);
-                case 8:
-                        return __cmpxchg_u64(ptr, old, new);
-        }
-        __cmpxchg_called_with_bad_pointer();
-        return old;
-}
-
-#define cmpxchg(ptr,o,n)                                                 \
-  ({                                                                     \
-     __typeof__(*(ptr)) _o_ = (o);                                       \
-     __typeof__(*(ptr)) _n_ = (n);                                       \
-     (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_,           \
-                                    (unsigned long)_n_, sizeof(*(ptr))); \
-  })
-
-/*
- * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
- * them available.
- */
-
-static inline unsigned long __cmpxchg_local(volatile void *ptr,
-                                      unsigned long old,
-                                      unsigned long new, int size)
-{
-        switch (size) {
-        case 4:
-        case 8: return __cmpxchg(ptr, old, new, size);
-        default:
-                return __cmpxchg_local_generic(ptr, old, new, size);
-        }
-
-        return old;
-}
-
-#define cmpxchg_local(ptr, o, n)                                        \
-        ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \
-                        (unsigned long)(n), sizeof(*(ptr))))
-#define cmpxchg64_local(ptr, o, n)                                      \
-  ({                                                                    \
-        BUILD_BUG_ON(sizeof(*(ptr)) != 8);                              \
-        cmpxchg_local((ptr), (o), (n));                                 \
-  })
-
-#endif /* __ARCH_SPARC64_CMPXCHG__ */
diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h
index 830502fe62b..6f57325bb88 100644
--- a/arch/sparc/include/asm/compat.h
+++ b/arch/sparc/include/asm/compat.h
@@ -36,7 +36,6 @@ typedef s64		compat_s64;
 typedef u32             compat_uint_t;
 typedef u32             compat_ulong_t;
 typedef u64             compat_u64;
-typedef u32             compat_uptr_t;
 
 struct compat_timespec {
         compat_time_t   tv_sec;
@@ -135,8 +134,7 @@ struct compat_statfs {
         compat_fsid_t   f_fsid;
         int             f_namelen;      /* SunOS ignores this field. */
         int             f_frsize;
-        int             f_flags;
-        int             f_spare[4];
+        int             f_spare[5];
 };
 
 #define COMPAT_RLIM_INFINITY 0x7fffffff
@@ -148,65 +146,6 @@ typedef u32		compat_old_sigset_t;
 
 typedef u32             compat_sigset_word;
 
-typedef union compat_sigval {
-        compat_int_t    sival_int;
-        compat_uptr_t   sival_ptr;
-} compat_sigval_t;
-
-#define SI_PAD_SIZE32   (128/sizeof(int) - 3)
-
-typedef struct compat_siginfo {
-        int si_signo;
-        int si_errno;
-        int si_code;
-
-        union {
-                int _pad[SI_PAD_SIZE32];
-
-                /* kill() */
-                struct {
-                        compat_pid_t _pid;              /* sender's pid */
-                        unsigned int _uid;              /* sender's uid */
-                } _kill;
-
-                /* POSIX.1b timers */
-                struct {
-                        compat_timer_t _tid;            /* timer id */
-                        int _overrun;                   /* overrun count */
-                        compat_sigval_t _sigval;        /* same as below */
-                        int _sys_private;       /* not to be passed to user */
-                } _timer;
-
-                /* POSIX.1b signals */
-                struct {
-                        compat_pid_t _pid;              /* sender's pid */
-                        unsigned int _uid;              /* sender's uid */
-                        compat_sigval_t _sigval;
-                } _rt;
-
-                /* SIGCHLD */
-                struct {
-                        compat_pid_t _pid;              /* which child */
-                        unsigned int _uid;              /* sender's uid */
-                        int _status;                    /* exit code */
-                        compat_clock_t _utime;
-                        compat_clock_t _stime;
-                } _sigchld;
-
-                /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */
-                struct {
-                        u32 _addr; /* faulting insn/memory ref. */
-                        int _trapno;
-                } _sigfault;
-
-                /* SIGPOLL */
-                struct {
-                        int _band;      /* POLL_IN, POLL_OUT, POLL_MSG */
-                        int _fd;
-                } _sigpoll;
-        } _sifields;
-} compat_siginfo_t;
-
 #define COMPAT_OFF_T_MAX        0x7fffffff
 #define COMPAT_LOFF_T_MAX       0x7fffffffffffffffL
 
@@ -216,6 +155,7 @@ typedef struct compat_siginfo {
  * as pointers because the syscall entry code will have
  * appropriately converted them already.
  */
+typedef u32             compat_uptr_t;
 
 static inline void __user *compat_ptr(compat_uptr_t uptr)
 {
@@ -232,10 +172,9 @@ static inline void __user *arch_compat_alloc_user_space(long len)
         struct pt_regs *regs = current_thread_info()->kregs;
         unsigned long usp = regs->u_regs[UREG_I6];
 
-        if (test_thread_64bit_stack(usp))
+        if (!(test_thread_flag(TIF_32BIT)))
                 usp += STACK_BIAS;
-
-        if (test_thread_flag(TIF_32BIT))
+        else
                 usp &= 0xffffffffUL;
 
         usp -= len;
diff --git a/arch/sparc/include/asm/contregs.h b/arch/sparc/include/asm/contregs.h
index b8abdfcf555..48fa8a4ef35 100644
--- a/arch/sparc/include/asm/contregs.h
+++ b/arch/sparc/include/asm/contregs.h
@@ -7,6 +7,28 @@
  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
  */
 
+/* 3=sun3
+   4=sun4 (as in sun4 sysmaint student book)
+   c=sun4c (according to davem) */
+
+#define AC_IDPROM     0x00000000    /* 34  ID PROM, R/O, byte, 32 bytes      */
+#define AC_PAGEMAP    0x10000000    /* 3   Pagemap R/W, long                 */
+#define AC_SEGMAP     0x20000000    /* 3   Segment map, byte                 */
+#define AC_CONTEXT    0x30000000    /* 34c current mmu-context               */
+#define AC_SENABLE    0x40000000    /* 34c system dvma/cache/reset enable reg*/
+#define AC_UDVMA_ENB  0x50000000    /* 34  Not used on Sun boards, byte      */
+#define AC_BUS_ERROR  0x60000000    /* 34  Not cleared on read, byte.        */
+#define AC_SYNC_ERR   0x60000000    /*  c fault type                         */
+#define AC_SYNC_VA    0x60000004    /*  c fault virtual address              */
+#define AC_ASYNC_ERR  0x60000008    /*  c asynchronous fault type            */
+#define AC_ASYNC_VA   0x6000000c    /*  c async fault virtual address        */
+#define AC_LEDS       0x70000000    /* 34  Zero turns on LEDs, byte          */
+#define AC_CACHETAGS  0x80000000    /* 34c direct access to the VAC tags     */
+#define AC_CACHEDDATA 0x90000000    /* 3 c direct access to the VAC data     */
+#define AC_UDVMA_MAP  0xD0000000    /* 4  Not used on Sun boards, byte       */
+#define AC_VME_VECTOR 0xE0000000    /* 4  For non-Autovector VME, byte       */
+#define AC_BOOT_SCC   0xF0000000    /* 34  bypass to access Zilog 8530. byte.*/
+
 /* s=Swift, h=Ross_HyperSPARC, v=TI_Viking, t=Tsunami, r=Ross_Cypress        */
 #define AC_M_PCR      0x0000        /* shv Processor Control Reg             */
 #define AC_M_CTPR     0x0100        /* shv Context Table Pointer Reg         */
diff --git a/arch/sparc/include/asm/cpu_type.h b/arch/sparc/include/asm/cpu_type.h
deleted file mode 100644
index 84d7d83b808..00000000000
--- a/arch/sparc/include/asm/cpu_type.h
+++ /dev/null
@@ -1,28 +0,0 @@
-#ifndef __ASM_CPU_TYPE_H
-#define __ASM_CPU_TYPE_H
-
-/*
- * Sparc (general) CPU types
- */
-enum sparc_cpu {
-  sun4m       = 0x00,
-  sun4d       = 0x01,
-  sun4e       = 0x02,
-  sun4u       = 0x03, /* V8 ploos ploos */
-  sun_unknown = 0x04,
-  ap1000      = 0x05, /* almost a sun4m */
-  sparc_leon  = 0x06, /* Leon SoC */
-};
-
-#ifdef CONFIG_SPARC32
-extern enum sparc_cpu sparc_cpu_model;
-
-#define SUN4M_NCPUS            4              /* Architectural limit of sun4m. */
-
-#else
-
-#define sparc_cpu_model sun4u
-
-#endif
-
-#endif /* __ASM_CPU_TYPE_H */
diff --git a/arch/sparc/include/asm/cpudata_32.h b/arch/sparc/include/asm/cpudata_32.h
index 0300d94c25b..a4c5a938b93 100644
--- a/arch/sparc/include/asm/cpudata_32.h
+++ b/arch/sparc/include/asm/cpudata_32.h
@@ -14,6 +14,7 @@
 typedef struct {
         unsigned long udelay_val;
         unsigned long clock_tick;
+        unsigned int multiplier;
         unsigned int counter;
 #ifdef CONFIG_SMP
         unsigned int irq_resched_count;
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h
index 05fe53f5346..8c0e4f7bb20 100644
--- a/arch/sparc/include/asm/dma-mapping.h
+++ b/arch/sparc/include/asm/dma-mapping.h
@@ -12,18 +12,13 @@ extern int dma_supported(struct device *dev, u64 mask);
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
 
-extern struct dma_map_ops *dma_ops;
-extern struct dma_map_ops *leon_dma_ops;
-extern struct dma_map_ops pci32_dma_ops;
-
+extern struct dma_map_ops *dma_ops, pci32_dma_ops;
 extern struct bus_type pci_bus_type;
 
 static inline struct dma_map_ops *get_dma_ops(struct device *dev)
 {
 #if defined(CONFIG_SPARC32) && defined(CONFIG_PCI)
-        if (sparc_cpu_model == sparc_leon)
-                return leon_dma_ops;
-        else if (dev->bus == &pci_bus_type)
+        if (dev->bus == &pci_bus_type)
                 return &pci32_dma_ops;
 #endif
         return dma_ops;
@@ -31,35 +26,28 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev)
 
 #include <asm-generic/dma-mapping-common.h>
 
-#define dma_alloc_coherent(d,s,h,f)     dma_alloc_attrs(d,s,h,f,NULL)
-
-static inline void *dma_alloc_attrs(struct device *dev, size_t size,
-                                    dma_addr_t *dma_handle, gfp_t flag,
-                                    struct dma_attrs *attrs)
+static inline void *dma_alloc_coherent(struct device *dev, size_t size,
+                                       dma_addr_t *dma_handle, gfp_t flag)
 {
         struct dma_map_ops *ops = get_dma_ops(dev);
         void *cpu_addr;
 
-        cpu_addr = ops->alloc(dev, size, dma_handle, flag, attrs);
+        cpu_addr = ops->alloc_coherent(dev, size, dma_handle, flag);
         debug_dma_alloc_coherent(dev, size, *dma_handle, cpu_addr);
         return cpu_addr;
 }
 
-#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
-
-static inline void dma_free_attrs(struct device *dev, size_t size,
-                                  void *cpu_addr, dma_addr_t dma_handle,
-                                  struct dma_attrs *attrs)
+static inline void dma_free_coherent(struct device *dev, size_t size,
+                                     void *cpu_addr, dma_addr_t dma_handle)
 {
         struct dma_map_ops *ops = get_dma_ops(dev);
 
         debug_dma_free_coherent(dev, size, cpu_addr, dma_handle);
-        ops->free(dev, size, cpu_addr, dma_handle, attrs);
+        ops->free_coherent(dev, size, cpu_addr, dma_handle);
 }
 
 static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 {
-        debug_dma_mapping_error(dev, dma_addr);
         return (dma_addr == DMA_ERROR_CODE);
 }
 
diff --git a/arch/sparc/include/asm/dma.h b/arch/sparc/include/asm/dma.h
index 3d434ef5eae..b554927bbaf 100644
--- a/arch/sparc/include/asm/dma.h
+++ b/arch/sparc/include/asm/dma.h
@@ -92,31 +92,27 @@ extern int isa_dma_bridge_buggy;
 #ifdef CONFIG_SPARC32
 
 /* Routines for data transfer buffers. */
+BTFIXUPDEF_CALL(char *, mmu_lockarea, char *, unsigned long)
+BTFIXUPDEF_CALL(void,   mmu_unlockarea, char *, unsigned long)
+
+#define mmu_lockarea(vaddr,len) BTFIXUP_CALL(mmu_lockarea)(vaddr,len)
+#define mmu_unlockarea(vaddr,len) BTFIXUP_CALL(mmu_unlockarea)(vaddr,len)
+
+struct page;
 struct device;
 struct scatterlist;
 
-struct sparc32_dma_ops {
-        __u32 (*get_scsi_one)(struct device *, char *, unsigned long);
-        void (*get_scsi_sgl)(struct device *, struct scatterlist *, int);
-        void (*release_scsi_one)(struct device *, __u32, unsigned long);
-        void (*release_scsi_sgl)(struct device *, struct scatterlist *,int);
-#ifdef CONFIG_SBUS
-        int (*map_dma_area)(struct device *, dma_addr_t *, unsigned long, unsigned long, int);
-        void (*unmap_dma_area)(struct device *, unsigned long, int);
-#endif
-};
-extern const struct sparc32_dma_ops *sparc32_dma_ops;
-
-#define mmu_get_scsi_one(dev,vaddr,len) \
-        sparc32_dma_ops->get_scsi_one(dev, vaddr, len)
-#define mmu_get_scsi_sgl(dev,sg,sz) \
-        sparc32_dma_ops->get_scsi_sgl(dev, sg, sz)
-#define mmu_release_scsi_one(dev,vaddr,len) \
-        sparc32_dma_ops->release_scsi_one(dev, vaddr,len)
-#define mmu_release_scsi_sgl(dev,sg,sz) \
-        sparc32_dma_ops->release_scsi_sgl(dev, sg, sz)
-
-#ifdef CONFIG_SBUS
+/* These are implementations for sbus_map_sg/sbus_unmap_sg... collapse later */
+BTFIXUPDEF_CALL(__u32, mmu_get_scsi_one, struct device *, char *, unsigned long)
+BTFIXUPDEF_CALL(void,  mmu_get_scsi_sgl, struct device *, struct scatterlist *, int)
+BTFIXUPDEF_CALL(void,  mmu_release_scsi_one, struct device *, __u32, unsigned long)
+BTFIXUPDEF_CALL(void,  mmu_release_scsi_sgl, struct device *, struct scatterlist *, int)
+
+#define mmu_get_scsi_one(dev,vaddr,len) BTFIXUP_CALL(mmu_get_scsi_one)(dev,vaddr,len)
+#define mmu_get_scsi_sgl(dev,sg,sz) BTFIXUP_CALL(mmu_get_scsi_sgl)(dev,sg,sz)
+#define mmu_release_scsi_one(dev,vaddr,len) BTFIXUP_CALL(mmu_release_scsi_one)(dev,vaddr,len)
+#define mmu_release_scsi_sgl(dev,sg,sz) BTFIXUP_CALL(mmu_release_scsi_sgl)(dev,sg,sz)
+
 /*
  * mmu_map/unmap are provided by iommu/iounit; Invalid to call on IIep.
  *
@@ -127,17 +123,17 @@ extern const struct sparc32_dma_ops *sparc32_dma_ops;
  * Second mapping is for device visible address, or "bus" address.
  * The bus address is returned at '*pba'.
  *
- * These functions seem distinct, but are hard to split.
+ * These functions seem distinct, but are hard to split. On sun4c,
+ * at least for now, 'a' is equal to bus address, and retured in *pba.
  * On sun4m, page attributes depend on the CPU type, so we have to
  * know if we are mapping RAM or I/O, so it has to be an additional argument
  * to a separate mapping function for CPU visible mappings.
  */
-#define sbus_map_dma_area(dev,pba,va,a,len) \
-        sparc32_dma_ops->map_dma_area(dev, pba, va, a, len)
-#define sbus_unmap_dma_area(dev,ba,len) \
-        sparc32_dma_ops->unmap_dma_area(dev, ba, len)
-#endif /* CONFIG_SBUS */
+BTFIXUPDEF_CALL(int, mmu_map_dma_area, struct device *, dma_addr_t *, unsigned long, unsigned long, int len)
+BTFIXUPDEF_CALL(void, mmu_unmap_dma_area, struct device *, unsigned long busa, int len)
 
+#define mmu_map_dma_area(dev,pba,va,a,len) BTFIXUP_CALL(mmu_map_dma_area)(dev,pba,va,a,len)
+#define mmu_unmap_dma_area(dev,ba,len) BTFIXUP_CALL(mmu_unmap_dma_area)(dev,ba,len)
 #endif
 
 #endif /* !(_ASM_SPARC_DMA_H) */
diff --git a/arch/sparc/include/asm/elf_32.h b/arch/sparc/include/asm/elf_32.h
index ac74a2c98e6..4269ca6ad18 100644
--- a/arch/sparc/include/asm/elf_32.h
+++ b/arch/sparc/include/asm/elf_32.h
@@ -118,9 +118,16 @@ typedef struct {
    instruction set this cpu supports.  This can NOT be done in userspace
    on Sparc.  */
 
-/* Most sun4m's have them all.  */
-#define ELF_HWCAP       (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
-                         HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV)
+/* Sun4c has none of the capabilities, most sun4m's have them all.
+ * XXX This is gross, set some global variable at boot time. -DaveM
+ */
+#define ELF_HWCAP       ((ARCH_SUN4C) ? 0 : \
+                         (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
+                          HWCAP_SPARC_SWAP | \
+                          ((srmmu_modtype != Cypress && \
+                            srmmu_modtype != Cypress_vE && \
+                            srmmu_modtype != Cypress_vD) ? \
+                           HWCAP_SPARC_MULDIV : 0)))
 
 /* This yields a string that ld.so will use to load implementation
    specific libraries for optimization.  This is more specific in
@@ -128,7 +135,6 @@ typedef struct {
 
 #define ELF_PLATFORM    (NULL)
 
-#define SET_PERSONALITY(ex) \
-        set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
+#define SET_PERSONALITY(ex) set_personality(PER_LINUX)
 
 #endif /* !(__ASMSPARC_ELF_H) */
diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h
index 370ca1e71ff..7df8b7f544d 100644
--- a/arch/sparc/include/asm/elf_64.h
+++ b/arch/sparc/include/asm/elf_64.h
@@ -86,15 +86,6 @@
 #define AV_SPARC_IMA            0x00400000 /* integer multiply-add */
 #define AV_SPARC_ASI_CACHE_SPARING \
                                 0x00800000 /* cache sparing ASIs available */
-#define AV_SPARC_PAUSE          0x01000000 /* PAUSE available */
-#define AV_SPARC_CBCOND         0x02000000 /* CBCOND insns available */
-
-/* Solaris decided to enumerate every single crypto instruction type
- * in the AT_HWCAP bits.  This is wasteful, since if crypto is present,
- * you still need to look in the CFR register to see if the opcode is
- * really available.  So we simply advertise only "crypto" support.
- */
-#define HWCAP_SPARC_CRYPTO      0x04000000 /* CRYPTO insns available */
 
 #define CORE_DUMP_USE_REGSET
 
diff --git a/arch/sparc/include/asm/fbio.h b/arch/sparc/include/asm/fbio.h
index 1d9afe277e9..0a21da87f7d 100644
--- a/arch/sparc/include/asm/fbio.h
+++ b/arch/sparc/include/asm/fbio.h
@@ -1,10 +1,225 @@
 #ifndef __LINUX_FBIO_H
 #define __LINUX_FBIO_H
 
-#include <uapi/asm/fbio.h>
+#include <linux/compiler.h>
+#include <linux/types.h>
 
+/* Constants used for fbio SunOS compatibility */
+/* (C) 1996 Miguel de Icaza */
+
+/* Frame buffer types */
+#define FBTYPE_NOTYPE           -1
+#define FBTYPE_SUN1BW           0   /* mono */
+#define FBTYPE_SUN1COLOR        1 
+#define FBTYPE_SUN2BW           2 
+#define FBTYPE_SUN2COLOR        3 
+#define FBTYPE_SUN2GP           4 
+#define FBTYPE_SUN5COLOR        5 
+#define FBTYPE_SUN3COLOR        6 
+#define FBTYPE_MEMCOLOR         7 
+#define FBTYPE_SUN4COLOR        8 
+ 
+#define FBTYPE_NOTSUN1          9 
+#define FBTYPE_NOTSUN2          10
+#define FBTYPE_NOTSUN3          11
+ 
+#define FBTYPE_SUNFAST_COLOR    12  /* cg6 */
+#define FBTYPE_SUNROP_COLOR     13
+#define FBTYPE_SUNFB_VIDEO      14
+#define FBTYPE_SUNGIFB          15
+#define FBTYPE_SUNGPLAS         16
+#define FBTYPE_SUNGP3           17
+#define FBTYPE_SUNGT            18
+#define FBTYPE_SUNLEO           19      /* zx Leo card */
+#define FBTYPE_MDICOLOR         20      /* cg14 */
+#define FBTYPE_TCXCOLOR         21      /* SUNW,tcx card */
+
+#define FBTYPE_LASTPLUSONE      21      /* This is not last + 1 in fact... */
+
+/* Does not seem to be listed in the Sun file either */
+#define FBTYPE_CREATOR          22
+#define FBTYPE_PCI_IGA1682      23
+#define FBTYPE_P9100COLOR       24
+
+#define FBTYPE_PCI_GENERIC      1000
+#define FBTYPE_PCI_MACH64       1001
+
+/* fbio ioctls */
+/* Returned by FBIOGTYPE */
+struct  fbtype {
+        int     fb_type;        /* fb type, see above */
+        int     fb_height;      /* pixels */
+        int     fb_width;       /* pixels */
+        int     fb_depth;
+        int     fb_cmsize;      /* color map entries */
+        int     fb_size;        /* fb size in bytes */
+};
+#define FBIOGTYPE _IOR('F', 0, struct fbtype)
+
+struct  fbcmap {
+        int             index;          /* first element (0 origin) */
+        int             count;
+        unsigned char   __user *red;
+        unsigned char   __user *green;
+        unsigned char   __user *blue;
+};
+
+#ifdef __KERNEL__
 #define FBIOPUTCMAP_SPARC _IOW('F', 3, struct fbcmap)
 #define FBIOGETCMAP_SPARC _IOW('F', 4, struct fbcmap)
+#else
+#define FBIOPUTCMAP _IOW('F', 3, struct fbcmap)
+#define FBIOGETCMAP _IOW('F', 4, struct fbcmap)
+#endif
+
+/* # of device specific values */
+#define FB_ATTR_NDEVSPECIFIC    8
+/* # of possible emulations */
+#define FB_ATTR_NEMUTYPES       4
+ 
+struct fbsattr {
+        int     flags;
+        int     emu_type;       /* -1 if none */
+        int     dev_specific[FB_ATTR_NDEVSPECIFIC];
+};
+ 
+struct fbgattr {
+        int     real_type;      /* real frame buffer type */
+        int     owner;          /* unknown */
+        struct fbtype fbtype;   /* real frame buffer fbtype */
+        struct fbsattr sattr;   
+        int     emu_types[FB_ATTR_NEMUTYPES]; /* supported emulations */
+};
+#define FBIOSATTR  _IOW('F', 5, struct fbgattr) /* Unsupported: */
+#define FBIOGATTR  _IOR('F', 6, struct fbgattr) /* supported */
+
+#define FBIOSVIDEO _IOW('F', 7, int)
+#define FBIOGVIDEO _IOR('F', 8, int)
+
+struct fbcursor {
+        short set;              /* what to set, choose from the list above */
+        short enable;           /* cursor on/off */
+        struct fbcurpos pos;    /* cursor position */
+        struct fbcurpos hot;    /* cursor hot spot */
+        struct fbcmap cmap;     /* color map info */
+        struct fbcurpos size;   /* cursor bit map size */
+        char __user *image;     /* cursor image bits */
+        char __user *mask;      /* cursor mask bits */
+};
+
+/* set/get cursor attributes/shape */
+#define FBIOSCURSOR     _IOW('F', 24, struct fbcursor)
+#define FBIOGCURSOR     _IOWR('F', 25, struct fbcursor)
+ 
+/* set/get cursor position */
+#define FBIOSCURPOS     _IOW('F', 26, struct fbcurpos)
+#define FBIOGCURPOS     _IOW('F', 27, struct fbcurpos)
+ 
+/* get max cursor size */
+#define FBIOGCURMAX     _IOR('F', 28, struct fbcurpos)
+
+/* wid manipulation */
+struct fb_wid_alloc {
+#define FB_WID_SHARED_8         0
+#define FB_WID_SHARED_24        1
+#define FB_WID_DBL_8            2
+#define FB_WID_DBL_24           3
+        __u32   wa_type;
+        __s32   wa_index;       /* Set on return */
+        __u32   wa_count;       
+};
+struct fb_wid_item {
+        __u32   wi_type;
+        __s32   wi_index;
+        __u32   wi_attrs;
+        __u32   wi_values[32];
+};
+struct fb_wid_list {
+        __u32   wl_flags;
+        __u32   wl_count;
+        struct fb_wid_item      *wl_list;
+};
+
+#define FBIO_WID_ALLOC  _IOWR('F', 30, struct fb_wid_alloc)
+#define FBIO_WID_FREE   _IOW('F', 31, struct fb_wid_alloc)
+#define FBIO_WID_PUT    _IOW('F', 32, struct fb_wid_list)
+#define FBIO_WID_GET    _IOWR('F', 33, struct fb_wid_list)
+
+/* Creator ioctls */
+#define FFB_IOCTL       ('F'<<8)
+#define FFB_SYS_INFO            (FFB_IOCTL|80)
+#define FFB_CLUTREAD            (FFB_IOCTL|81)
+#define FFB_CLUTPOST            (FFB_IOCTL|82)
+#define FFB_SETDIAGMODE         (FFB_IOCTL|83)
+#define FFB_GETMONITORID        (FFB_IOCTL|84)
+#define FFB_GETVIDEOMODE        (FFB_IOCTL|85)
+#define FFB_SETVIDEOMODE        (FFB_IOCTL|86)
+#define FFB_SETSERVER           (FFB_IOCTL|87)
+#define FFB_SETOVCTL            (FFB_IOCTL|88)
+#define FFB_GETOVCTL            (FFB_IOCTL|89)
+#define FFB_GETSAXNUM           (FFB_IOCTL|90)
+#define FFB_FBDEBUG             (FFB_IOCTL|91)
+
+/* Cg14 ioctls */
+#define MDI_IOCTL          ('M'<<8)
+#define MDI_RESET          (MDI_IOCTL|1)
+#define MDI_GET_CFGINFO    (MDI_IOCTL|2)
+#define MDI_SET_PIXELMODE  (MDI_IOCTL|3)
+#    define MDI_32_PIX     32
+#    define MDI_16_PIX     16
+#    define MDI_8_PIX      8
+
+struct mdi_cfginfo {
+        int     mdi_ncluts;     /* Number of implemented CLUTs in this MDI */
+        int     mdi_type;       /* FBTYPE name */
+        int     mdi_height;     /* height */
+        int     mdi_width;      /* width */
+        int     mdi_size;       /* available ram */
+        int     mdi_mode;       /* 8bpp, 16bpp or 32bpp */
+        int     mdi_pixfreq;    /* pixel clock (from PROM) */
+};
+
+/* SparcLinux specific ioctl for the MDI, should be replaced for
+ * the SET_XLUT/SET_CLUTn ioctls instead
+ */
+#define MDI_CLEAR_XLUT       (MDI_IOCTL|9)
+
+/* leo & ffb ioctls */
+struct fb_clut_alloc {
+        __u32   clutid; /* Set on return */
+        __u32   flag;
+        __u32   index;
+};
+
+struct fb_clut {
+#define FB_CLUT_WAIT    0x00000001      /* Not yet implemented */
+        __u32   flag;
+        __u32   clutid;
+        __u32   offset;
+        __u32   count;
+        char *  red;
+        char *  green;
+        char *  blue;
+};
+
+struct fb_clut32 {
+        __u32   flag;
+        __u32   clutid;
+        __u32   offset;
+        __u32   count;
+        __u32   red;
+        __u32   green;
+        __u32   blue;
+};
+
+#define LEO_CLUTALLOC   _IOWR('L', 53, struct fb_clut_alloc)
+#define LEO_CLUTFREE    _IOW('L', 54, struct fb_clut_alloc)
+#define LEO_CLUTREAD    _IOW('L', 55, struct fb_clut)
+#define LEO_CLUTPOST    _IOW('L', 56, struct fb_clut)
+#define LEO_SETGAMMA    _IOW('L', 68, int) /* Not yet implemented */
+#define LEO_GETGAMMA    _IOR('L', 69, int) /* Not yet implemented */
+
+#ifdef __KERNEL__
 /* Addresses on the fd of a cgsix that are mappable */
 #define CG6_FBC    0x70000000
 #define CG6_TEC    0x70001000
@@ -45,6 +260,47 @@
 #define CG14_CLUT3       0x6000  /* Color Look Up Table */
 #define CG14_AUTO        0xf000
 
+#endif /* KERNEL */
+
+/* These are exported to userland for applications to use */
+/* Mappable offsets for the cg14: control registers */
+#define MDI_DIRECT_MAP 0x10000000
+#define MDI_CTLREG_MAP 0x20000000
+#define MDI_CURSOR_MAP 0x30000000
+#define MDI_SHDW_VRT_MAP 0x40000000
+
+/* Mappable offsets for the cg14: frame buffer resolutions */
+/* 32 bits */
+#define MDI_CHUNKY_XBGR_MAP 0x50000000
+#define MDI_CHUNKY_BGR_MAP 0x60000000
+
+/* 16 bits */
+#define MDI_PLANAR_X16_MAP 0x70000000
+#define MDI_PLANAR_C16_MAP 0x80000000
+
+/* 8 bit is done as CG3 MMAP offset */
+/* 32 bits, planar */
+#define MDI_PLANAR_X32_MAP 0x90000000
+#define MDI_PLANAR_B32_MAP 0xa0000000
+#define MDI_PLANAR_G32_MAP 0xb0000000
+#define MDI_PLANAR_R32_MAP 0xc0000000
+
+/* Mappable offsets on leo */
+#define LEO_SS0_MAP            0x00000000
+#define LEO_LC_SS0_USR_MAP     0x00800000
+#define LEO_LD_SS0_MAP         0x00801000
+#define LEO_LX_CURSOR_MAP      0x00802000
+#define LEO_SS1_MAP            0x00803000
+#define LEO_LC_SS1_USR_MAP     0x01003000
+#define LEO_LD_SS1_MAP         0x01004000
+#define LEO_UNK_MAP            0x01005000
+#define LEO_LX_KRN_MAP         0x01006000
+#define LEO_LC_SS0_KRN_MAP     0x01007000
+#define LEO_LC_SS1_KRN_MAP     0x01008000
+#define LEO_LD_GBL_MAP         0x01009000
+#define LEO_UNK2_MAP           0x0100a000
+
+#ifdef __KERNEL__
 struct  fbcmap32 {
         int             index;          /* first element (0 origin) */
         int             count;
@@ -69,4 +325,6 @@ struct fbcursor32 {
 
 #define FBIOSCURSOR32   _IOW('F', 24, struct fbcursor32)
 #define FBIOGCURSOR32   _IOW('F', 25, struct fbcursor32)
+#endif
+
 #endif /* __LINUX_FBIO_H */
diff --git a/arch/sparc/include/asm/floppy_32.h b/arch/sparc/include/asm/floppy_32.h
index fb3f16954c6..7440915e86d 100644
--- a/arch/sparc/include/asm/floppy_32.h
+++ b/arch/sparc/include/asm/floppy_32.h
@@ -11,7 +11,9 @@
 
 #include <asm/page.h>
 #include <asm/pgtable.h>
+#include <asm/system.h>
 #include <asm/idprom.h>
+#include <asm/machines.h>
 #include <asm/oplib.h>
 #include <asm/auxio.h>
 #include <asm/irq.h>
@@ -102,13 +104,25 @@ static struct sun_floppy_ops sun_fdops;
 /* Routines unique to each controller type on a Sun. */
 static void sun_set_dor(unsigned char value, int fdc_82077)
 {
-        if (fdc_82077)
+        if (sparc_cpu_model == sun4c) {
+                unsigned int bits = 0;
+                if (value & 0x10)
+                        bits |= AUXIO_FLPY_DSEL;
+                if ((value & 0x80) == 0)
+                        bits |= AUXIO_FLPY_EJCT;
+                set_auxio(bits, (~bits) & (AUXIO_FLPY_DSEL|AUXIO_FLPY_EJCT));
+        }
+        if (fdc_82077) {
                 sun_fdc->dor_82077 = value;
+        }
 }
 
 static unsigned char sun_read_dir(void)
 {
-        return sun_fdc->dir_82077;
+        if (sparc_cpu_model == sun4c)
+                return (get_auxio() & AUXIO_FLPY_DCHG) ? 0x80 : 0;
+        else
+                return sun_fdc->dir_82077;
 }
 
 static unsigned char sun_82072_fd_inb(int port)
@@ -229,7 +243,10 @@ static inline void virtual_dma_init(void)
 static inline void sun_fd_disable_dma(void)
 {
         doing_pdma = 0;
-        pdma_base = NULL;
+        if (pdma_base) {
+                mmu_unlockarea(pdma_base, pdma_areasize);
+                pdma_base = NULL;
+        }
 }
 
 static inline void sun_fd_set_dma_mode(int mode)
@@ -259,6 +276,7 @@ static inline void sun_fd_set_dma_count(int length)
 
 static inline void sun_fd_enable_dma(void)
 {
+        pdma_vaddr = mmu_lockarea(pdma_vaddr, pdma_size);
         pdma_base = pdma_vaddr;
         pdma_areasize = pdma_size;
 }
@@ -284,36 +302,38 @@ static int sun_floppy_init(void)
 {
         struct platform_device *op;
         struct device_node *dp;
-        struct resource r;
         char state[128];
-        phandle fd_node;
-        phandle tnode;
+        phandle tnode, fd_node;
         int num_regs;
+        struct resource r;
 
         use_virtual_dma = 1;
 
         /* Forget it if we aren't on a machine that could possibly
          * ever have a floppy drive.
          */
-        if (sparc_cpu_model != sun4m) {
+        if((sparc_cpu_model != sun4c && sparc_cpu_model != sun4m) ||
+           ((idprom->id_machtype == (SM_SUN4C | SM_4C_SLC)) ||
+            (idprom->id_machtype == (SM_SUN4C | SM_4C_ELC)))) {
                 /* We certainly don't have a floppy controller. */
                 goto no_sun_fdc;
         }
         /* Well, try to find one. */
         tnode = prom_getchild(prom_root_node);
         fd_node = prom_searchsiblings(tnode, "obio");
-        if (fd_node != 0) {
+        if(fd_node != 0) {
                 tnode = prom_getchild(fd_node);
                 fd_node = prom_searchsiblings(tnode, "SUNW,fdtwo");
         } else {
                 fd_node = prom_searchsiblings(tnode, "fd");
         }
-        if (fd_node == 0) {
+        if(fd_node == 0) {
                 goto no_sun_fdc;
         }
 
         /* The sun4m lets us know if the controller is actually usable. */
-        if (prom_getproperty(fd_node, "status", state, sizeof(state)) != -1) {
+        if(sparc_cpu_model == sun4m &&
+           prom_getproperty(fd_node, "status", state, sizeof(state)) != -1) {
                 if(!strcmp(state, "disabled")) {
                         goto no_sun_fdc;
                 }
@@ -324,12 +344,12 @@ static int sun_floppy_init(void)
         memset(&r, 0, sizeof(r));
         r.flags = fd_regs[0].which_io;
         r.start = fd_regs[0].phys_addr;
-        sun_fdc = of_ioremap(&r, 0, fd_regs[0].reg_size, "floppy");
+        sun_fdc = (struct sun_flpy_controller *)
+            of_ioremap(&r, 0, fd_regs[0].reg_size, "floppy");
 
         /* Look up irq in platform_device.
          * We try "SUNW,fdtwo" and "fd"
          */
-        op = NULL;
         for_each_node_by_name(dp, "SUNW,fdtwo") {
                 op = of_find_device_by_node(dp);
                 if (op)
@@ -348,7 +368,7 @@ static int sun_floppy_init(void)
         FLOPPY_IRQ = op->archdata.irqs[0];
 
         /* Last minute sanity check... */
-        if (sun_fdc->status_82072 == 0xff) {
+        if(sun_fdc->status_82072 == 0xff) {
                 sun_fdc = NULL;
                 goto no_sun_fdc;
         }
diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h
index e204f902e6c..bcef1f5a2a6 100644
--- a/arch/sparc/include/asm/floppy_64.h
+++ b/arch/sparc/include/asm/floppy_64.h
@@ -161,7 +161,10 @@ unsigned long pdma_areasize;
 static void sun_fd_disable_dma(void)
 {
         doing_pdma = 0;
-        pdma_base = NULL;
+        if (pdma_base) {
+                mmu_unlockarea(pdma_base, pdma_areasize);
+                pdma_base = NULL;
+        }
 }
 
 static void sun_fd_set_dma_mode(int mode)
@@ -191,6 +194,7 @@ static void sun_fd_set_dma_count(int length)
 
 static void sun_fd_enable_dma(void)
 {
+        pdma_vaddr = mmu_lockarea(pdma_vaddr, pdma_size);
         pdma_base = pdma_vaddr;
         pdma_areasize = pdma_size;
 }
diff --git a/arch/sparc/include/asm/futex_64.h b/arch/sparc/include/asm/futex_64.h
index 4e899b0dabf..444e7bea23b 100644
--- a/arch/sparc/include/asm/futex_64.h
+++ b/arch/sparc/include/asm/futex_64.h
@@ -4,6 +4,7 @@
 #include <linux/futex.h>
 #include <linux/uaccess.h>
 #include <asm/errno.h>
+#include <asm/system.h>
 
 #define __futex_cas_op(insn, ret, oldval, uaddr, oparg) \
         __asm__ __volatile__(                           \
diff --git a/arch/sparc/include/asm/gpio.h b/arch/sparc/include/asm/gpio.h
index b3799d88ffc..a0e3ac0af59 100644
--- a/arch/sparc/include/asm/gpio.h
+++ b/arch/sparc/include/asm/gpio.h
@@ -1,4 +1,36 @@
-#ifndef __LINUX_GPIO_H
-#warning Include linux/gpio.h instead of asm/gpio.h
-#include <linux/gpio.h>
-#endif
+#ifndef __ASM_SPARC_GPIO_H
+#define __ASM_SPARC_GPIO_H
+
+#include <linux/errno.h>
+#include <asm-generic/gpio.h>
+
+#ifdef CONFIG_GPIOLIB
+
+static inline int gpio_get_value(unsigned int gpio)
+{
+        return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned int gpio, int value)
+{
+        __gpio_set_value(gpio, value);
+}
+
+static inline int gpio_cansleep(unsigned int gpio)
+{
+        return __gpio_cansleep(gpio);
+}
+
+static inline int gpio_to_irq(unsigned int gpio)
+{
+        return -ENOSYS;
+}
+
+static inline int irq_to_gpio(unsigned int irq)
+{
+        return -EINVAL;
+}
+
+#endif /* CONFIG_GPIOLIB */
+
+#endif /* __ASM_SPARC_GPIO_H */
diff --git a/arch/sparc/include/asm/head_32.h b/arch/sparc/include/asm/head_32.h
index a76874838f6..7c35491a8b5 100644
--- a/arch/sparc/include/asm/head_32.h
+++ b/arch/sparc/include/asm/head_32.h
@@ -2,8 +2,15 @@
 #define __SPARC_HEAD_H
 
 #define KERNBASE        0xf0000000  /* First address the kernel will eventually be */
+#define LOAD_ADDR       0x4000      /* prom jumps to us here unless this is elf /boot */
+#define SUN4C_SEGSZ     (1 << 18)
+#define SRMMU_L1_KBASE_OFFSET ((KERNBASE>>24)<<2)  /* Used in boot remapping. */
+#define INTS_ENAB        0x01           /* entry.S uses this. */
+
+#define SUN4_PROM_VECTOR 0xFFE81000     /* SUN4 PROM needs to be hardwired */
 
 #define WRITE_PAUSE      nop; nop; nop; /* Have to do this after %wim/%psr chg */
+#define NOP_INSN         0x01000000     /* Used to patch sparc_save_state */
 
 /* Here are some trap goodies */
 
@@ -11,7 +18,9 @@
 #define TRAP_ENTRY(type, label) \
         rd %psr, %l0; b label; rd %wim, %l3; nop;
 
-/* Data/text faults */
+/* Data/text faults. Defaults to sun4c version at boot time. */
+#define SPARC_TFAULT rd %psr, %l0; rd %wim, %l3; b sun4c_fault; mov 1, %l7;
+#define SPARC_DFAULT rd %psr, %l0; rd %wim, %l3; b sun4c_fault; mov 0, %l7;
 #define SRMMU_TFAULT rd %psr, %l0; rd %wim, %l3; b srmmu_fault; mov 1, %l7;
 #define SRMMU_DFAULT rd %psr, %l0; rd %wim, %l3; b srmmu_fault; mov 0, %l7;
 
@@ -71,6 +80,16 @@
 #define TRAP_ENTRY_INTERRUPT(int_level) \
         mov int_level, %l7; rd %psr, %l0; b real_irq_entry; rd %wim, %l3;
 
+/* NMI's (Non Maskable Interrupts) are special, you can't keep them
+ * from coming in, and basically if you get one, the shows over. ;(
+ * On the sun4c they are usually asynchronous memory errors, on the
+ * the sun4m they could be either due to mem errors or a software
+ * initiated interrupt from the prom/kern on an SMP box saying "I
+ * command you to do CPU tricks, read your mailbox for more info."
+ */
+#define NMI_TRAP \
+        rd %wim, %l3; b linux_trap_nmi_sun4c; mov %psr, %l0; nop;
+
 /* Window overflows/underflows are special and we need to try to be as
  * efficient as possible here....
  */
diff --git a/arch/sparc/include/asm/highmem.h b/arch/sparc/include/asm/highmem.h
index 4f9e15c757e..3d7afbb7f4b 100644
--- a/arch/sparc/include/asm/highmem.h
+++ b/arch/sparc/include/asm/highmem.h
@@ -21,6 +21,7 @@
 #ifdef __KERNEL__
 
 #include <linux/interrupt.h>
+#include <asm/fixmap.h>
 #include <asm/vaddrs.h>
 #include <asm/kmap_types.h>
 #include <asm/pgtable.h>
@@ -28,6 +29,7 @@
 /* declarations for highmem.c */
 extern unsigned long highstart_pfn, highend_pfn;
 
+extern pte_t *kmap_pte;
 extern pgprot_t kmap_prot;
 extern pte_t *pkmap_page_table;
 
@@ -68,8 +70,9 @@ static inline void kunmap(struct page *page)
         kunmap_high(page);
 }
 
-extern void *kmap_atomic(struct page *page);
+extern void *__kmap_atomic(struct page *page);
 extern void __kunmap_atomic(void *kvaddr);
+extern struct page *kmap_atomic_to_page(void *vaddr);
 
 #define flush_cache_kmaps()     flush_cache_all()
 
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index 9661e9bc7bb..177061064ee 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -10,10 +10,7 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
 pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
                               pte_t *ptep);
 
-static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
-{
-        hugetlb_setup(mm);
-}
+void hugetlb_prefault_arch_hook(struct mm_struct *mm);
 
 static inline int is_hugepage_only_range(struct mm_struct *mm,
                                          unsigned long addr,
@@ -61,20 +58,14 @@ static inline pte_t huge_pte_wrprotect(pte_t pte)
 static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
                                            unsigned long addr, pte_t *ptep)
 {
-        pte_t old_pte = *ptep;
-        set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte));
+        ptep_set_wrprotect(mm, addr, ptep);
 }
 
 static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
                                              unsigned long addr, pte_t *ptep,
                                              pte_t pte, int dirty)
 {
-        int changed = !pte_same(*ptep, pte);
-        if (changed) {
-                set_huge_pte_at(vma->vm_mm, addr, ptep, pte);
-                flush_tlb_page(vma, addr);
-        }
-        return changed;
+        return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
 }
 
 static inline pte_t huge_ptep_get(pte_t *ptep)
@@ -91,8 +82,4 @@ static inline void arch_release_hugepage(struct page *page)
 {
 }
 
-static inline void arch_clear_hugepage_flags(struct page *page)
-{
-}
-
 #endif /* _ASM_SPARC64_HUGETLB_H */
diff --git a/arch/sparc/include/asm/hypervisor.h b/arch/sparc/include/asm/hypervisor.h
index ca121f0fa3e..015a761eaa3 100644
--- a/arch/sparc/include/asm/hypervisor.h
+++ b/arch/sparc/include/asm/hypervisor.h
@@ -2934,16 +2934,6 @@ extern unsigned long sun4v_reboot_data_set(unsigned long ra,
                                            unsigned long len);
 #endif
 
-#define HV_FAST_VT_GET_PERFREG          0x184
-#define HV_FAST_VT_SET_PERFREG          0x185
-
-#ifndef __ASSEMBLY__
-extern unsigned long sun4v_vt_get_perfreg(unsigned long reg_num,
-                                          unsigned long *reg_val);
-extern unsigned long sun4v_vt_set_perfreg(unsigned long reg_num,
-                                          unsigned long reg_val);
-#endif
-
 /* Function numbers for HV_CORE_TRAP.  */
 #define HV_CORE_SET_VER                 0x00
 #define HV_CORE_PUTCHAR                 0x01
@@ -2974,7 +2964,6 @@ extern unsigned long sun4v_vt_set_perfreg(unsigned long reg_num,
 #define HV_GRP_NIU                      0x0204
 #define HV_GRP_VF_CPU                   0x0205
 #define HV_GRP_KT_CPU                   0x0209
-#define HV_GRP_VT_CPU                   0x020c
 #define HV_GRP_DIAG                     0x0300
 
 #ifndef __ASSEMBLY__
diff --git a/arch/sparc/include/asm/io_32.h b/arch/sparc/include/asm/io_32.h
index c1acbd891cb..c2ced21c9dc 100644
--- a/arch/sparc/include/asm/io_32.h
+++ b/arch/sparc/include/asm/io_32.h
@@ -6,7 +6,7 @@
 #include <linux/ioport.h>  /* struct resource */
 
 #include <asm/page.h>      /* IO address mapping routines need this */
-#include <asm-generic/pci_iomap.h>
+#include <asm/system.h>
 
 #define page_to_phys(page)      (page_to_pfn(page) << PAGE_SHIFT)
 
@@ -324,6 +324,7 @@ extern void ioport_unmap(void __iomem *);
 
 /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
 struct pci_dev;
+extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
 extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
 
 /*
diff --git a/arch/sparc/include/asm/io_64.h b/arch/sparc/include/asm/io_64.h
index 09b0b88aeb2..9c8965415f0 100644
--- a/arch/sparc/include/asm/io_64.h
+++ b/arch/sparc/include/asm/io_64.h
@@ -6,8 +6,8 @@
 #include <linux/types.h>
 
 #include <asm/page.h>      /* IO address mapping routines need this */
+#include <asm/system.h>
 #include <asm/asi.h>
-#include <asm-generic/pci_iomap.h>
 
 /* PC crapola... */
 #define __SLOW_DOWN_IO  do { } while (0)
@@ -514,6 +514,7 @@ extern void ioport_unmap(void __iomem *);
 
 /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
 struct pci_dev;
+extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
 extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
 
 static inline int sbus_can_dma_64bit(void)
diff --git a/arch/sparc/include/asm/ioctls.h b/arch/sparc/include/asm/ioctls.h
index 77413b7e3a1..28d0c8b02cc 100644
--- a/arch/sparc/include/asm/ioctls.h
+++ b/arch/sparc/include/asm/ioctls.h
@@ -1,8 +1,123 @@
 #ifndef _ASM_SPARC_IOCTLS_H
 #define _ASM_SPARC_IOCTLS_H
 
-#include <uapi/asm/ioctls.h>
+#include <asm/ioctl.h>
 
+/* Big T */
+#define TCGETA          _IOR('T', 1, struct termio)
+#define TCSETA          _IOW('T', 2, struct termio)
+#define TCSETAW         _IOW('T', 3, struct termio)
+#define TCSETAF         _IOW('T', 4, struct termio)
+#define TCSBRK          _IO('T', 5)
+#define TCXONC          _IO('T', 6)
+#define TCFLSH          _IO('T', 7)
+#define TCGETS          _IOR('T', 8, struct termios)
+#define TCSETS          _IOW('T', 9, struct termios)
+#define TCSETSW         _IOW('T', 10, struct termios)
+#define TCSETSF         _IOW('T', 11, struct termios)
+#define TCGETS2         _IOR('T', 12, struct termios2)
+#define TCSETS2         _IOW('T', 13, struct termios2)
+#define TCSETSW2        _IOW('T', 14, struct termios2)
+#define TCSETSF2        _IOW('T', 15, struct termios2)
+#define TIOCGDEV        _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */
+#define TIOCVHANGUP     _IO('T', 0x37)
+
+/* Note that all the ioctls that are not available in Linux have a 
+ * double underscore on the front to: a) avoid some programs to
+ * think we support some ioctls under Linux (autoconfiguration stuff)
+ */
+/* Little t */
+#define TIOCGETD        _IOR('t', 0, int)
+#define TIOCSETD        _IOW('t', 1, int)
+#define __TIOCHPCL        _IO('t', 2) /* SunOS Specific */
+#define __TIOCMODG        _IOR('t', 3, int) /* SunOS Specific */
+#define __TIOCMODS        _IOW('t', 4, int) /* SunOS Specific */
+#define __TIOCGETP        _IOR('t', 8, struct sgttyb) /* SunOS Specific */
+#define __TIOCSETP        _IOW('t', 9, struct sgttyb) /* SunOS Specific */
+#define __TIOCSETN        _IOW('t', 10, struct sgttyb) /* SunOS Specific */
+#define TIOCEXCL        _IO('t', 13)
+#define TIOCNXCL        _IO('t', 14)
+#define __TIOCFLUSH       _IOW('t', 16, int) /* SunOS Specific */
+#define __TIOCSETC        _IOW('t', 17, struct tchars) /* SunOS Specific */
+#define __TIOCGETC        _IOR('t', 18, struct tchars) /* SunOS Specific */
+#define __TIOCTCNTL       _IOW('t', 32, int) /* SunOS Specific */
+#define __TIOCSIGNAL      _IOW('t', 33, int) /* SunOS Specific */
+#define __TIOCSETX        _IOW('t', 34, int) /* SunOS Specific */
+#define __TIOCGETX        _IOR('t', 35, int) /* SunOS Specific */
+#define TIOCCONS        _IO('t', 36)
+#define TIOCGSOFTCAR    _IOR('t', 100, int)
+#define TIOCSSOFTCAR    _IOW('t', 101, int)
+#define __TIOCUCNTL       _IOW('t', 102, int) /* SunOS Specific */
+#define TIOCSWINSZ      _IOW('t', 103, struct winsize)
+#define TIOCGWINSZ      _IOR('t', 104, struct winsize)
+#define __TIOCREMOTE      _IOW('t', 105, int) /* SunOS Specific */
+#define TIOCMGET        _IOR('t', 106, int)
+#define TIOCMBIC        _IOW('t', 107, int)
+#define TIOCMBIS        _IOW('t', 108, int)
+#define TIOCMSET        _IOW('t', 109, int)
+#define TIOCSTART       _IO('t', 110)
+#define TIOCSTOP        _IO('t', 111)
+#define TIOCPKT         _IOW('t', 112, int)
+#define TIOCNOTTY       _IO('t', 113)
+#define TIOCSTI         _IOW('t', 114, char)
+#define TIOCOUTQ        _IOR('t', 115, int)
+#define __TIOCGLTC        _IOR('t', 116, struct ltchars) /* SunOS Specific */
+#define __TIOCSLTC        _IOW('t', 117, struct ltchars) /* SunOS Specific */
+/* 118 is the non-posix setpgrp tty ioctl */
+/* 119 is the non-posix getpgrp tty ioctl */
+#define __TIOCCDTR        _IO('t', 120) /* SunOS Specific */
+#define __TIOCSDTR        _IO('t', 121) /* SunOS Specific */
+#define TIOCCBRK        _IO('t', 122)
+#define TIOCSBRK        _IO('t', 123)
+#define __TIOCLGET        _IOW('t', 124, int) /* SunOS Specific */
+#define __TIOCLSET        _IOW('t', 125, int) /* SunOS Specific */
+#define __TIOCLBIC        _IOW('t', 126, int) /* SunOS Specific */
+#define __TIOCLBIS        _IOW('t', 127, int) /* SunOS Specific */
+#define __TIOCISPACE      _IOR('t', 128, int) /* SunOS Specific */
+#define __TIOCISIZE       _IOR('t', 129, int) /* SunOS Specific */
+#define TIOCSPGRP       _IOW('t', 130, int)
+#define TIOCGPGRP       _IOR('t', 131, int)
+#define TIOCSCTTY       _IO('t', 132)
+#define TIOCGSID        _IOR('t', 133, int)
+/* Get minor device of a pty master's FD -- Solaris equiv is ISPTM */
+#define TIOCGPTN        _IOR('t', 134, unsigned int) /* Get Pty Number */
+#define TIOCSPTLCK      _IOW('t', 135, int) /* Lock/unlock PTY */
+#define TIOCSIG         _IOW('t', 136, int) /* Generate signal on Pty slave */
+
+/* Little f */
+#define FIOCLEX         _IO('f', 1)
+#define FIONCLEX        _IO('f', 2)
+#define FIOASYNC        _IOW('f', 125, int)
+#define FIONBIO         _IOW('f', 126, int)
+#define FIONREAD        _IOR('f', 127, int)
+#define TIOCINQ         FIONREAD
+#define FIOQSIZE        _IOR('f', 128, loff_t)
+
+/* SCARY Rutgers local SunOS kernel hackery, perhaps I will support it
+ * someday.  This is completely bogus, I know...
+ */
+#define __TCGETSTAT       _IO('T', 200) /* Rutgers specific */
+#define __TCSETSTAT       _IO('T', 201) /* Rutgers specific */
+
+/* Linux specific, no SunOS equivalent. */
+#define TIOCLINUX       0x541C
+#define TIOCGSERIAL     0x541E
+#define TIOCSSERIAL     0x541F
+#define TCSBRKP         0x5425
+#define TIOCSERCONFIG   0x5453
+#define TIOCSERGWILD    0x5454
+#define TIOCSERSWILD    0x5455
+#define TIOCGLCKTRMIOS  0x5456
+#define TIOCSLCKTRMIOS  0x5457
+#define TIOCSERGSTRUCT  0x5458 /* For debugging only */
+#define TIOCSERGETLSR   0x5459 /* Get line status register */
+#define TIOCSERGETMULTI 0x545A /* Get multiport config  */
+#define TIOCSERSETMULTI 0x545B /* Set multiport config */
+#define TIOCMIWAIT      0x545C /* Wait for change on serial input line(s) */
+#define TIOCGICOUNT     0x545D /* Read serial port inline interrupt counts */
+
+/* Kernel definitions */
+#ifdef __KERNEL__
 #define TIOCGETC __TIOCGETC
 #define TIOCGETP __TIOCGETP
 #define TIOCGLTC __TIOCGLTC
@@ -10,4 +125,16 @@
 #define TIOCSETP __TIOCSETP
 #define TIOCSETN __TIOCSETN
 #define TIOCSETC __TIOCSETC
+#endif
+
+/* Used for packet mode */
+#define TIOCPKT_DATA             0
+#define TIOCPKT_FLUSHREAD        1
+#define TIOCPKT_FLUSHWRITE       2
+#define TIOCPKT_STOP             4
+#define TIOCPKT_START            8
+#define TIOCPKT_NOSTOP          16
+#define TIOCPKT_DOSTOP          32
+#define TIOCPKT_IOCTL           64
+
 #endif /* !(_ASM_SPARC_IOCTLS_H) */
diff --git a/arch/sparc/include/asm/irq_64.h b/arch/sparc/include/asm/irq_64.h
index abf6afe82ca..16dcae6d56e 100644
--- a/arch/sparc/include/asm/irq_64.h
+++ b/arch/sparc/include/asm/irq_64.h
@@ -95,6 +95,7 @@ void arch_trigger_all_cpu_backtrace(void);
 extern void *hardirq_stack[NR_CPUS];
 extern void *softirq_stack[NR_CPUS];
 #define __ARCH_HAS_DO_SOFTIRQ
+#define ARCH_HAS_NMI_WATCHDOG
 
 #define NO_IRQ          0xffffffff
 
diff --git a/arch/sparc/include/asm/irqflags_32.h b/arch/sparc/include/asm/irqflags_32.h
index e414c06615c..14848909e0d 100644
--- a/arch/sparc/include/asm/irqflags_32.h
+++ b/arch/sparc/include/asm/irqflags_32.h
@@ -13,7 +13,6 @@
 #ifndef __ASSEMBLY__
 
 #include <linux/types.h>
-#include <asm/psr.h>
 
 extern void arch_local_irq_restore(unsigned long);
 extern unsigned long arch_local_irq_save(void);
diff --git a/arch/sparc/include/asm/jump_label.h b/arch/sparc/include/asm/jump_label.h
index 5080d16a832..fc73a82366f 100644
--- a/arch/sparc/include/asm/jump_label.h
+++ b/arch/sparc/include/asm/jump_label.h
@@ -7,7 +7,7 @@
 
 #define JUMP_LABEL_NOP_SIZE 4
 
-static __always_inline bool arch_static_branch(struct static_key *key)
+static __always_inline bool arch_static_branch(struct jump_label_key *key)
 {
                 asm goto("1:\n\t"
                          "nop\n\t"
diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h
index 15a716934e4..a4e457f003e 100644
--- a/arch/sparc/include/asm/leon.h
+++ b/arch/sparc/include/asm/leon.h
@@ -8,6 +8,21 @@
 #ifndef LEON_H_INCLUDE
 #define LEON_H_INCLUDE
 
+#ifdef CONFIG_SPARC_LEON
+
+#define ASI_LEON_NOCACHE        0x01
+
+#define ASI_LEON_DCACHE_MISS    0x1
+
+#define ASI_LEON_CACHEREGS      0x02
+#define ASI_LEON_IFLUSH         0x10
+#define ASI_LEON_DFLUSH         0x11
+
+#define ASI_LEON_MMUFLUSH       0x18
+#define ASI_LEON_MMUREGS        0x19
+#define ASI_LEON_BYPASS         0x1c
+#define ASI_LEON_FLUSH_PAGE     0x10
+
 /* mmu register access, ASI_LEON_MMUREGS */
 #define LEON_CNR_CTRL           0x000
 #define LEON_CNR_CTXP           0x100
@@ -42,6 +57,29 @@
 #define LEON_IRQMASK_R          0x0000fffe      /* bit 15- 1 of lregs.irqmask */
 #define LEON_IRQPRIO_R          0xfffe0000      /* bit 31-17 of lregs.irqmask */
 
+/* leon uart register definitions */
+#define LEON_OFF_UDATA  0x0
+#define LEON_OFF_USTAT  0x4
+#define LEON_OFF_UCTRL  0x8
+#define LEON_OFF_USCAL  0xc
+
+#define LEON_UCTRL_RE   0x01
+#define LEON_UCTRL_TE   0x02
+#define LEON_UCTRL_RI   0x04
+#define LEON_UCTRL_TI   0x08
+#define LEON_UCTRL_PS   0x10
+#define LEON_UCTRL_PE   0x20
+#define LEON_UCTRL_FL   0x40
+#define LEON_UCTRL_LB   0x80
+
+#define LEON_USTAT_DR   0x01
+#define LEON_USTAT_TS   0x02
+#define LEON_USTAT_TH   0x04
+#define LEON_USTAT_BR   0x08
+#define LEON_USTAT_OV   0x10
+#define LEON_USTAT_PE   0x20
+#define LEON_USTAT_FE   0x40
+
 #define LEON_MCFG2_SRAMDIS              0x00002000
 #define LEON_MCFG2_SDRAMEN              0x00004000
 #define LEON_MCFG2_SRAMBANKSZ           0x00001e00      /* [12-9] */
@@ -51,6 +89,8 @@
 
 #define LEON_TCNT0_MASK 0x7fffff
 
+#define LEON_USTAT_ERROR (LEON_USTAT_OV | LEON_USTAT_PE | LEON_USTAT_FE)
+/* no break yet */
 
 #define ASI_LEON3_SYSCTRL               0x02
 #define ASI_LEON3_SYSCTRL_ICFG          0x08
@@ -60,6 +100,15 @@
 
 #ifndef __ASSEMBLY__
 
+/* do a virtual address read without cache */
+static inline unsigned long leon_readnobuffer_reg(unsigned long paddr)
+{
+        unsigned long retval;
+        __asm__ __volatile__("lda [%1] %2, %0\n\t" :
+                             "=r"(retval) : "r"(paddr), "i"(ASI_LEON_NOCACHE));
+        return retval;
+}
+
 /* do a physical address bypass write, i.e. for 0x80000000 */
 static inline void leon_store_reg(unsigned long paddr, unsigned long value)
 {
@@ -76,15 +125,47 @@ static inline unsigned long leon_load_reg(unsigned long paddr)
         return retval;
 }
 
+static inline void leon_srmmu_disabletlb(void)
+{
+        unsigned int retval;
+        __asm__ __volatile__("lda [%%g0] %2, %0\n\t" : "=r"(retval) : "r"(0),
+                             "i"(ASI_LEON_MMUREGS));
+        retval |= LEON_CNR_CTRL_TLBDIS;
+        __asm__ __volatile__("sta %0, [%%g0] %2\n\t" : : "r"(retval), "r"(0),
+                             "i"(ASI_LEON_MMUREGS) : "memory");
+}
+
+static inline void leon_srmmu_enabletlb(void)
+{
+        unsigned int retval;
+        __asm__ __volatile__("lda [%%g0] %2, %0\n\t" : "=r"(retval) : "r"(0),
+                             "i"(ASI_LEON_MMUREGS));
+        retval = retval & ~LEON_CNR_CTRL_TLBDIS;
+        __asm__ __volatile__("sta %0, [%%g0] %2\n\t" : : "r"(retval), "r"(0),
+                             "i"(ASI_LEON_MMUREGS) : "memory");
+}
+
 /* macro access for leon_load_reg() and leon_store_reg() */
 #define LEON3_BYPASS_LOAD_PA(x)     (leon_load_reg((unsigned long)(x)))
 #define LEON3_BYPASS_STORE_PA(x, v) (leon_store_reg((unsigned long)(x), (unsigned long)(v)))
+#define LEON3_BYPASS_ANDIN_PA(x, v) LEON3_BYPASS_STORE_PA(x, LEON3_BYPASS_LOAD_PA(x) & v)
+#define LEON3_BYPASS_ORIN_PA(x, v)  LEON3_BYPASS_STORE_PA(x, LEON3_BYPASS_LOAD_PA(x) | v)
 #define LEON_BYPASS_LOAD_PA(x)      leon_load_reg((unsigned long)(x))
 #define LEON_BYPASS_STORE_PA(x, v)  leon_store_reg((unsigned long)(x), (unsigned long)(v))
+#define LEON_REGLOAD_PA(x)          leon_load_reg((unsigned long)(x)+LEON_PREGS)
+#define LEON_REGSTORE_PA(x, v)      leon_store_reg((unsigned long)(x)+LEON_PREGS, (unsigned long)(v))
+#define LEON_REGSTORE_OR_PA(x, v)   LEON_REGSTORE_PA(x, LEON_REGLOAD_PA(x) | (unsigned long)(v))
+#define LEON_REGSTORE_AND_PA(x, v)  LEON_REGSTORE_PA(x, LEON_REGLOAD_PA(x) & (unsigned long)(v))
 
+/* macro access for leon_readnobuffer_reg() */
+#define LEON_BYPASSCACHE_LOAD_VA(x) leon_readnobuffer_reg((unsigned long)(x))
+
+extern void leon_init(void);
 extern void leon_switch_mm(void);
 extern void leon_init_IRQ(void);
 
+extern unsigned long last_valid_pfn;
+
 static inline unsigned long sparc_leon3_get_dcachecfg(void)
 {
         unsigned int retval;
@@ -187,6 +268,9 @@ static inline int sparc_leon3_cpuid(void)
 #error cannot determine LEON_PAGE_SIZE_LEON
 #endif
 
+#define PAGE_MIN_SHIFT   (12)
+#define PAGE_MIN_SIZE    (1UL << PAGE_MIN_SHIFT)
+
 #define LEON3_XCCR_SETS_MASK  0x07000000UL
 #define LEON3_XCCR_SSIZE_MASK 0x00f00000UL
 
@@ -194,11 +278,18 @@ static inline int sparc_leon3_cpuid(void)
 #define LEON2_CFG_SSIZE_MASK 0x00007000UL
 
 #ifndef __ASSEMBLY__
-struct vm_area_struct;
+extern unsigned long srmmu_swprobe(unsigned long vaddr, unsigned long *paddr);
+extern void leon_flush_icache_all(void);
+extern void leon_flush_dcache_all(void);
+extern void leon_flush_cache_all(void);
+extern void leon_flush_tlb_all(void);
+extern int leon_flush_during_switch;
+extern int leon_flush_needed(void);
 
-extern unsigned long leon_swprobe(unsigned long vaddr, unsigned long *paddr);
+struct vm_area_struct;
 extern void leon_flush_icache_all(void);
 extern void leon_flush_dcache_all(void);
+extern void leon_flush_pcache_all(struct vm_area_struct *vma, unsigned long page);
 extern void leon_flush_cache_all(void);
 extern void leon_flush_tlb_all(void);
 extern int leon_flush_during_switch;
@@ -212,23 +303,40 @@ struct leon3_cacheregs {
         unsigned long dccr;     /* 0x0c - Data Cache Configuration Register */
 };
 
-#include <linux/irq.h>
+/* struct that hold LEON2 cache configuration register
+ * & configuration register
+ */
+struct leon2_cacheregs {
+        unsigned long ccr, cfg;
+};
+
+#ifdef __KERNEL__
+
 #include <linux/interrupt.h>
 
 struct device_node;
-struct task_struct;
 extern unsigned int leon_build_device_irq(unsigned int real_irq,
                                            irq_flow_handler_t flow_handler,
                                            const char *name, int do_ack);
 extern void leon_update_virq_handling(unsigned int virq,
                               irq_flow_handler_t flow_handler,
                               const char *name, int do_ack);
-extern void leon_init_timers(void);
+extern void leon_clear_clock_irq(void);
+extern void leon_load_profile_irq(int cpu, unsigned int limit);
+extern void leon_init_timers(irq_handler_t counter_fn);
+extern void leon_clear_clock_irq(void);
+extern void leon_load_profile_irq(int cpu, unsigned int limit);
 extern void leon_trans_init(struct device_node *dp);
 extern void leon_node_init(struct device_node *dp, struct device_node ***nextp);
+extern void leon_init_IRQ(void);
+extern void leon_init(void);
+extern unsigned long srmmu_swprobe(unsigned long vaddr, unsigned long *paddr);
 extern void init_leon(void);
 extern void poke_leonsparc(void);
 extern void leon3_getCacheRegs(struct leon3_cacheregs *regs);
+extern int leon_flush_needed(void);
+extern void leon_switch_mm(void);
+extern int srmmu_swprobe_trace;
 extern int leon3_ticker_irq;
 
 #ifdef CONFIG_SMP
@@ -236,17 +344,26 @@ extern int leon_smp_nrcpus(void);
 extern void leon_clear_profile_irq(int cpu);
 extern void leon_smp_done(void);
 extern void leon_boot_cpus(void);
-extern int leon_boot_one_cpu(int i, struct task_struct *);
+extern int leon_boot_one_cpu(int i);
 void leon_init_smp(void);
+extern void cpu_idle(void);
+extern void init_IRQ(void);
+extern void cpu_panic(void);
+extern int __leon_processor_id(void);
 void leon_enable_irq_cpu(unsigned int irq_nr, unsigned int cpu);
 extern irqreturn_t leon_percpu_timer_interrupt(int irq, void *unused);
 
+extern unsigned int real_irq_entry[];
 extern unsigned int smpleon_ipi[];
-extern unsigned int linux_trap_ipi15_leon[];
+extern unsigned int patchme_maybe_smp_msg[];
+extern unsigned int t_nmi[], linux_trap_ipi15_leon[];
+extern unsigned int linux_trap_ipi15_sun4m[];
 extern int leon_ipi_irq;
 
 #endif /* CONFIG_SMP */
 
+#endif /* __KERNEL__ */
+
 #endif /* __ASSEMBLY__ */
 
 /* macros used in leon_mm.c */
@@ -254,4 +371,18 @@ extern int leon_ipi_irq;
 #define _pfn_valid(pfn)  ((pfn < last_valid_pfn) && (pfn >= PFN(phys_base)))
 #define _SRMMU_PTE_PMASK_LEON 0xffffffff
 
+#else /* defined(CONFIG_SPARC_LEON) */
+
+/* nop definitions for !LEON case */
+#define leon_init() do {} while (0)
+#define leon_switch_mm() do {} while (0)
+#define leon_init_IRQ() do {} while (0)
+#define init_leon() do {} while (0)
+#define leon_smp_done() do {} while (0)
+#define leon_boot_cpus() do {} while (0)
+#define leon_boot_one_cpu(i) 1
+#define leon_init_smp() do {} while (0)
+
+#endif /* !defined(CONFIG_SPARC_LEON) */
+
 #endif
diff --git a/arch/sparc/include/asm/leon_amba.h b/arch/sparc/include/asm/leon_amba.h
index f3034eddf46..e50f326e71b 100644
--- a/arch/sparc/include/asm/leon_amba.h
+++ b/arch/sparc/include/asm/leon_amba.h
@@ -87,6 +87,8 @@ struct amba_prom_registers {
 #define LEON3_GPTIMER_CONFIG_NRTIMERS(c) ((c)->config & 0x7)
 #define LEON3_GPTIMER_CTRL_ISPENDING(r)  (((r)&LEON3_GPTIMER_CTRL_PENDING) ? 1 : 0)
 
+#ifdef CONFIG_SPARC_LEON
+
 #ifndef __ASSEMBLY__
 
 struct leon3_irqctrl_regs_map {
@@ -262,4 +264,6 @@ extern unsigned int sparc_leon_eirq;
 
 #define amba_device(x) (((x) >> 12) & 0xfff)
 
+#endif /* !defined(CONFIG_SPARC_LEON) */
+
 #endif
diff --git a/arch/sparc/include/asm/machines.h b/arch/sparc/include/asm/machines.h
index fd6ddb05d1b..cd9c099567e 100644
--- a/arch/sparc/include/asm/machines.h
+++ b/arch/sparc/include/asm/machines.h
@@ -12,6 +12,11 @@ struct Sun_Machine_Models {
         unsigned char id_machtype;
 };
 
+/* Current number of machines we know about that has an IDPROM
+ * machtype entry including one entry for the 0x80 OBP machines.
+ */
+#define NUM_SUN_MACHINES   16
+
 /* The machine type in the idprom area looks like this:
  *
  * ---------------
@@ -19,20 +24,36 @@ struct Sun_Machine_Models {
  * ---------------
  *  7    4 3    0
  *
- * The ARCH field determines the architecture line (sun4m, etc).
+ * The ARCH field determines the architecture line (sun4, sun4c, etc).
  * The MACH field determines the machine make within that architecture.
  */
 
 #define SM_ARCH_MASK  0xf0
+#define SM_SUN4       0x20
 #define  M_LEON       0x30
+#define SM_SUN4C      0x50
 #define SM_SUN4M      0x70
 #define SM_SUN4M_OBP  0x80
 
 #define SM_TYP_MASK   0x0f
+/* Sun4 machines */
+#define SM_4_260      0x01    /* Sun 4/200 series */
+#define SM_4_110      0x02    /* Sun 4/100 series */
+#define SM_4_330      0x03    /* Sun 4/300 series */
+#define SM_4_470      0x04    /* Sun 4/400 series */
 
 /* Leon machines */
 #define M_LEON3_SOC   0x02    /* Leon3 SoC */
 
+/* Sun4c machines                Full Name              - PROM NAME */
+#define SM_4C_SS1     0x01    /* Sun4c SparcStation 1   - Sun 4/60  */
+#define SM_4C_IPC     0x02    /* Sun4c SparcStation IPC - Sun 4/40  */
+#define SM_4C_SS1PLUS 0x03    /* Sun4c SparcStation 1+  - Sun 4/65  */
+#define SM_4C_SLC     0x04    /* Sun4c SparcStation SLC - Sun 4/20  */
+#define SM_4C_SS2     0x05    /* Sun4c SparcStation 2   - Sun 4/75  */
+#define SM_4C_ELC     0x06    /* Sun4c SparcStation ELC - Sun 4/25  */
+#define SM_4C_IPX     0x07    /* Sun4c SparcStation IPX - Sun 4/50  */
+
 /* Sun4m machines, these predate the OpenBoot.  These values only mean
  * something if the value in the ARCH field is SM_SUN4M, if it is
  * SM_SUN4M_OBP then you have the following situation:
diff --git a/arch/sparc/include/asm/mbus.h b/arch/sparc/include/asm/mbus.h
index 14128bcc582..69f07a022ee 100644
--- a/arch/sparc/include/asm/mbus.h
+++ b/arch/sparc/include/asm/mbus.h
@@ -8,10 +8,14 @@
 #define _SPARC_MBUS_H
 
 #include <asm/ross.h>    /* HyperSparc stuff */
+#include <asm/cypress.h> /* Cypress Chips */
 #include <asm/viking.h>  /* Ugh, bug city... */
 
 enum mbus_module {
         HyperSparc        = 0,
+        Cypress           = 1,
+        Cypress_vE        = 2,
+        Cypress_vD        = 3,
         Swift_ok          = 4,
         Swift_bad_c       = 5,
         Swift_lots_o_bugs = 6,
diff --git a/arch/sparc/include/asm/mdesc.h b/arch/sparc/include/asm/mdesc.h
index 139097f3a67..9faa046713f 100644
--- a/arch/sparc/include/asm/mdesc.h
+++ b/arch/sparc/include/asm/mdesc.h
@@ -73,7 +73,6 @@ extern void mdesc_register_notifier(struct mdesc_notifier_client *client);
 
 extern void mdesc_fill_in_cpu_data(cpumask_t *mask);
 extern void mdesc_populate_present_mask(cpumask_t *mask);
-extern void mdesc_get_page_sizes(cpumask_t *mask, unsigned long *pgsz_mask);
 
 extern void sun4v_mdesc_init(void);
 
diff --git a/arch/sparc/include/asm/mman.h b/arch/sparc/include/asm/mman.h
index 59bb5938d85..c3029ad6619 100644
--- a/arch/sparc/include/asm/mman.h
+++ b/arch/sparc/include/asm/mman.h
@@ -1,10 +1,33 @@
 #ifndef __SPARC_MMAN_H__
 #define __SPARC_MMAN_H__
 
-#include <uapi/asm/mman.h>
+#include <asm-generic/mman-common.h>
 
+/* SunOS'ified... */
+
+#define MAP_RENAME      MAP_ANONYMOUS   /* In SunOS terminology */
+#define MAP_NORESERVE   0x40            /* don't reserve swap pages */
+#define MAP_INHERIT     0x80            /* SunOS doesn't do this, but... */
+#define MAP_LOCKED      0x100           /* lock the mapping */
+#define _MAP_NEW        0x80000000      /* Binary compatibility is fun... */
+
+#define MAP_GROWSDOWN   0x0200          /* stack-like segment */
+#define MAP_DENYWRITE   0x0800          /* ETXTBSY */
+#define MAP_EXECUTABLE  0x1000          /* mark it as an executable */
+
+#define MCL_CURRENT     0x2000          /* lock all currently mapped pages */
+#define MCL_FUTURE      0x4000          /* lock all additions to address space */
+
+#define MAP_POPULATE    0x8000          /* populate (prefault) pagetables */
+#define MAP_NONBLOCK    0x10000         /* do not block on IO */
+#define MAP_STACK       0x20000         /* give out an address that is best suited for process/thread stacks */
+#define MAP_HUGETLB     0x40000         /* create a huge page mapping */
+
+#ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 #define arch_mmap_check(addr,len,flags) sparc_mmap_check(addr,len)
 int sparc_mmap_check(unsigned long addr, unsigned long len);
 #endif
+#endif
+
 #endif /* __SPARC_MMAN_H__ */
diff --git a/arch/sparc/include/asm/mmu_64.h b/arch/sparc/include/asm/mmu_64.h
index 76092c4dd27..9067dc50053 100644
--- a/arch/sparc/include/asm/mmu_64.h
+++ b/arch/sparc/include/asm/mmu_64.h
@@ -30,8 +30,22 @@
 #define CTX_PGSZ_MASK           ((CTX_PGSZ_BITS << CTX_PGSZ0_SHIFT) | \
                                  (CTX_PGSZ_BITS << CTX_PGSZ1_SHIFT))
 
+#if defined(CONFIG_SPARC64_PAGE_SIZE_8KB)
 #define CTX_PGSZ_BASE   CTX_PGSZ_8KB
-#define CTX_PGSZ_HUGE   CTX_PGSZ_4MB
+#elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB)
+#define CTX_PGSZ_BASE   CTX_PGSZ_64KB
+#else
+#error No page size specified in kernel configuration
+#endif
+
+#if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB)
+#define CTX_PGSZ_HUGE           CTX_PGSZ_4MB
+#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K)
+#define CTX_PGSZ_HUGE           CTX_PGSZ_512KB
+#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K)
+#define CTX_PGSZ_HUGE           CTX_PGSZ_64KB
+#endif
+
 #define CTX_PGSZ_KERN   CTX_PGSZ_4MB
 
 /* Thus, when running on UltraSPARC-III+ and later, we use the following
@@ -82,7 +96,7 @@ struct tsb_config {
 
 #define MM_TSB_BASE     0
 
-#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
+#ifdef CONFIG_HUGETLB_PAGE
 #define MM_TSB_HUGE     1
 #define MM_NUM_TSBS     2
 #else
@@ -93,7 +107,6 @@ typedef struct {
         spinlock_t              lock;
         unsigned long           sparc64_ctx_val;
         unsigned long           huge_pte_count;
-        struct page             *pgtable_page;
         struct tsb_config       tsb_block[MM_NUM_TSBS];
         struct hv_tsb_descr     tsb_descr[MM_NUM_TSBS];
 } mm_context_t;
diff --git a/arch/sparc/include/asm/mmu_context_32.h b/arch/sparc/include/asm/mmu_context_32.h
index 2df2a9be8f6..671a997b9e6 100644
--- a/arch/sparc/include/asm/mmu_context_32.h
+++ b/arch/sparc/include/asm/mmu_context_32.h
@@ -1,6 +1,8 @@
 #ifndef __SPARC_MMU_CONTEXT_H
 #define __SPARC_MMU_CONTEXT_H
 
+#include <asm/btfixup.h>
+
 #ifndef __ASSEMBLY__
 
 #include <asm-generic/mm_hooks.h>
@@ -9,21 +11,26 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
 {
 }
 
-/* Initialize a new mmu context.  This is invoked when a new
+/*
+ * Initialize a new mmu context.  This is invoked when a new
  * address space instance (unique or shared) is instantiated.
  */
-int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
+#define init_new_context(tsk, mm) (((mm)->context = NO_CONTEXT), 0)
 
-/* Destroy a dead context.  This occurs when mmput drops the
+/*
+ * Destroy a dead context.  This occurs when mmput drops the
  * mm_users count to zero, the mmaps have been released, and
  * all the page tables have been flushed.  Our job is to destroy
  * any remaining processor-specific state.
  */
-void destroy_context(struct mm_struct *mm);
+BTFIXUPDEF_CALL(void, destroy_context, struct mm_struct *)
+
+#define destroy_context(mm) BTFIXUP_CALL(destroy_context)(mm)
 
 /* Switch the current MM context. */
-void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm,
-               struct task_struct *tsk);
+BTFIXUPDEF_CALL(void, switch_mm, struct mm_struct *, struct mm_struct *, struct task_struct *)
+
+#define switch_mm(old_mm, mm, tsk) BTFIXUP_CALL(switch_mm)(old_mm, mm, tsk)
 
 #define deactivate_mm(tsk,mm)   do { } while (0)
 
diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h
index 9191ca62ed9..666a73fef28 100644
--- a/arch/sparc/include/asm/mmu_context_64.h
+++ b/arch/sparc/include/asm/mmu_context_64.h
@@ -6,6 +6,7 @@
 #ifndef __ASSEMBLY__
 
 #include <linux/spinlock.h>
+#include <asm/system.h>
 #include <asm/spitfire.h>
 #include <asm-generic/mm_hooks.h>
 
@@ -36,7 +37,7 @@ static inline void tsb_context_switch(struct mm_struct *mm)
 {
         __tsb_context_switch(__pa(mm->pgd),
                              &mm->context.tsb_block[0],
-#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
+#ifdef CONFIG_HUGETLB_PAGE
                              (mm->context.tsb_block[1].tsb ?
                               &mm->context.tsb_block[1] :
                               NULL)
diff --git a/arch/sparc/include/asm/ns87303.h b/arch/sparc/include/asm/ns87303.h
index 6b947ee0f6a..af755483e17 100644
--- a/arch/sparc/include/asm/ns87303.h
+++ b/arch/sparc/include/asm/ns87303.h
@@ -79,6 +79,7 @@
 
 #include <linux/spinlock.h>
 
+#include <asm/system.h>
 #include <asm/io.h>
 
 extern spinlock_t ns87303_lock;
diff --git a/arch/sparc/include/asm/obio.h b/arch/sparc/include/asm/obio.h
index 910c1d9af1f..4ade0c8a2c7 100644
--- a/arch/sparc/include/asm/obio.h
+++ b/arch/sparc/include/asm/obio.h
@@ -220,6 +220,19 @@ static inline void cc_set_igen(unsigned gen)
                               "i" (ASI_M_MXCC));
 }
 
+/* +-------+-------------+-----------+------------------------------------+
+ * | bcast |  devid      |   sid     |              levels mask           |
+ * +-------+-------------+-----------+------------------------------------+
+ *  31      30         23 22       15 14                                 0
+ */
+#define IGEN_MESSAGE(bcast, devid, sid, levels) \
+        (((bcast) << 31) | ((devid) << 23) | ((sid) << 15) | (levels))
+            
+static inline void sun4d_send_ipi(int cpu, int level)
+{
+        cc_set_igen(IGEN_MESSAGE(0, cpu << 3, 6 + ((level >> 1) & 7), 1 << (level - 1)));
+}
+
 #endif /* !__ASSEMBLY__ */
 
 #endif /* !(_SPARC_OBIO_H) */
diff --git a/arch/sparc/include/asm/oplib_32.h b/arch/sparc/include/asm/oplib_32.h
index c72f3045820..71e5e9aeb67 100644
--- a/arch/sparc/include/asm/oplib_32.h
+++ b/arch/sparc/include/asm/oplib_32.h
@@ -94,7 +94,7 @@ extern int prom_getprev(void);
 extern void prom_console_write_buf(const char *buf, int len);
 
 /* Prom's internal routines, don't use in kernel/boot code. */
-extern __printf(1, 2) void prom_printf(const char *fmt, ...);
+extern void prom_printf(const char *fmt, ...);
 extern void prom_write(const char *buf, unsigned int len);
 
 /* Multiprocessor operations... */
@@ -105,6 +105,14 @@ extern void prom_write(const char *buf, unsigned int len);
 extern int prom_startcpu(int cpunode, struct linux_prom_registers *context_table,
                          int context, char *program_counter);
 
+/* Sun4/sun4c specific memory-management startup hook. */
+
+/* Map the passed segment in the given context at the passed
+ * virtual address.
+ */
+extern void prom_putsegment(int context, unsigned long virt_addr,
+                            int physical_segment);
+
 /* Initialize the memory lists based upon the prom version. */
 void prom_meminit(void);
 
diff --git a/arch/sparc/include/asm/oplib_64.h b/arch/sparc/include/asm/oplib_64.h
index a12dbe3b776..97a90475c31 100644
--- a/arch/sparc/include/asm/oplib_64.h
+++ b/arch/sparc/include/asm/oplib_64.h
@@ -98,7 +98,7 @@ extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size);
 extern void prom_console_write_buf(const char *buf, int len);
 
 /* Prom's internal routines, don't use in kernel/boot code. */
-extern __printf(1, 2) void prom_printf(const char *fmt, ...);
+extern void prom_printf(const char *fmt, ...);
 extern void prom_write(const char *buf, unsigned int len);
 
 /* Multiprocessor operations... */
diff --git a/arch/sparc/include/asm/page_32.h b/arch/sparc/include/asm/page_32.h
index f82a1f36b65..156707b0f18 100644
--- a/arch/sparc/include/asm/page_32.h
+++ b/arch/sparc/include/asm/page_32.h
@@ -8,12 +8,18 @@
 #ifndef _SPARC_PAGE_H
 #define _SPARC_PAGE_H
 
-#include <linux/const.h>
-
 #define PAGE_SHIFT   12
-#define PAGE_SIZE    (_AC(1, UL) << PAGE_SHIFT)
+
+#ifndef __ASSEMBLY__
+/* I have my suspicions... -DaveM */
+#define PAGE_SIZE    (1UL << PAGE_SHIFT)
+#else
+#define PAGE_SIZE    (1 << PAGE_SHIFT)
+#endif
 #define PAGE_MASK    (~(PAGE_SIZE-1))
 
+#include <asm/btfixup.h>
+
 #ifndef __ASSEMBLY__
 
 #define clear_page(page)         memset((void *)(page), 0, PAGE_SIZE)
@@ -43,6 +49,12 @@ struct sparc_phys_banks {
 
 extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS+1];
 
+/* Cache alias structure.  Entry is valid if context != -1. */
+struct cache_palias {
+        unsigned long vaddr;
+        int context;
+};
+
 /* passing structs on the Sparc slow us down tremendously... */
 
 /* #define STRICT_MM_TYPECHECKS */
@@ -107,7 +119,11 @@ typedef unsigned long iopgprot_t;
 
 typedef struct page *pgtable_t;
 
-#define TASK_UNMAPPED_BASE      0x50000000
+extern unsigned long sparc_unmapped_base;
+
+BTFIXUPDEF_SETHI(sparc_unmapped_base)
+
+#define TASK_UNMAPPED_BASE      BTFIXUP_SETHI(sparc_unmapped_base)
 
 #else /* !(__ASSEMBLY__) */
 
diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h
index 4b39f74d6ca..f0d09b40103 100644
--- a/arch/sparc/include/asm/page_64.h
+++ b/arch/sparc/include/asm/page_64.h
@@ -3,7 +3,13 @@
 
 #include <linux/const.h>
 
+#if defined(CONFIG_SPARC64_PAGE_SIZE_8KB)
 #define PAGE_SHIFT   13
+#elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB)
+#define PAGE_SHIFT   16
+#else
+#error No page size specified in kernel configuration
+#endif
 
 #define PAGE_SIZE    (_AC(1,UL) << PAGE_SHIFT)
 #define PAGE_MASK    (~(PAGE_SIZE-1))
@@ -15,9 +21,15 @@
 #define DCACHE_ALIASING_POSSIBLE
 #endif
 
+#if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB)
 #define HPAGE_SHIFT             22
+#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K)
+#define HPAGE_SHIFT             19
+#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K)
+#define HPAGE_SHIFT             16
+#endif
 
-#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
+#ifdef CONFIG_HUGETLB_PAGE
 #define HPAGE_SIZE              (_AC(1,UL) << HPAGE_SHIFT)
 #define HPAGE_MASK              (~(HPAGE_SIZE - 1UL))
 #define HUGETLB_PAGE_ORDER      (HPAGE_SHIFT - PAGE_SHIFT)
@@ -26,11 +38,6 @@
 
 #ifndef __ASSEMBLY__
 
-#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
-struct mm_struct;
-extern void hugetlb_setup(struct mm_struct *mm);
-#endif
-
 #define WANT_PAGE_VIRTUAL
 
 extern void _clear_page(void *page);
@@ -91,7 +98,7 @@ typedef unsigned long pgprot_t;
 
 #endif /* (STRICT_MM_TYPECHECKS) */
 
-typedef pte_t *pgtable_t;
+typedef struct page *pgtable_t;
 
 #define TASK_UNMAPPED_BASE      (test_thread_flag(TIF_32BIT) ? \
                                  (_AC(0x0000000070000000,UL)) : \
diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h
index c55291e5b83..cb33608cc68 100644
--- a/arch/sparc/include/asm/parport.h
+++ b/arch/sparc/include/asm/parport.h
@@ -103,7 +103,7 @@ static inline unsigned int get_dma_residue(unsigned int dmanr)
         return ebus_dma_residue(&sparc_ebus_dmas[dmanr].info);
 }
 
-static int ecpp_probe(struct platform_device *op)
+static int __devinit ecpp_probe(struct platform_device *op)
 {
         unsigned long base = op->resource[0].start;
         unsigned long config = op->resource[1].start;
@@ -192,7 +192,7 @@ out_err:
         return err;
 }
 
-static int ecpp_remove(struct platform_device *op)
+static int __devexit ecpp_remove(struct platform_device *op)
 {
         struct parport *p = dev_get_drvdata(&op->dev);
         int slot = p->dma;
@@ -242,7 +242,7 @@ static struct platform_driver ecpp_driver = {
                 .of_match_table = ecpp_match,
         },
         .probe                  = ecpp_probe,
-        .remove                 = ecpp_remove,
+        .remove                 = __devexit_p(ecpp_remove),
 };
 
 static int parport_pc_find_nonpci_ports(int autoirq, int autodma)
diff --git a/arch/sparc/include/asm/pci_32.h b/arch/sparc/include/asm/pci_32.h
index dc503297481..02939abd356 100644
--- a/arch/sparc/include/asm/pci_32.h
+++ b/arch/sparc/include/asm/pci_32.h
@@ -16,6 +16,11 @@
 
 #define PCI_IRQ_NONE            0xffffffff
 
+static inline void pcibios_set_master(struct pci_dev *dev)
+{
+        /* No special bus mastering setup handling */
+}
+
 static inline void pcibios_penalize_isa_irq(int irq, int active)
 {
         /* We don't do dynamic PCI IRQ allocation */
@@ -52,6 +57,14 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  * 64Kbytes by the Host controller.
  */
 
+extern void
+pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
+                        struct resource *res);
+
+extern void
+pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+                        struct pci_bus_region *region);
+
 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
 {
         return PCI_IRQ_NONE;
diff --git a/arch/sparc/include/asm/pci_64.h b/arch/sparc/include/asm/pci_64.h
index 1633b718d3b..2614d96141c 100644
--- a/arch/sparc/include/asm/pci_64.h
+++ b/arch/sparc/include/asm/pci_64.h
@@ -16,6 +16,11 @@
 
 #define PCI_IRQ_NONE            0xffffffff
 
+static inline void pcibios_set_master(struct pci_dev *dev)
+{
+        /* No special bus mastering setup handling */
+}
+
 static inline void pcibios_penalize_isa_irq(int irq, int active)
 {
         /* We don't do dynamic PCI IRQ allocation */
@@ -73,6 +78,14 @@ extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
                                enum pci_mmap_state mmap_state,
                                int write_combine);
 
+extern void
+pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
+                        struct resource *res);
+
+extern void
+pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+                        struct pci_bus_region *region);
+
 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
 {
         return PCI_IRQ_NONE;
diff --git a/arch/sparc/include/asm/pcr.h b/arch/sparc/include/asm/pcr.h
index 942bb17f60c..288d7beba05 100644
--- a/arch/sparc/include/asm/pcr.h
+++ b/arch/sparc/include/asm/pcr.h
@@ -2,13 +2,8 @@
 #define __PCR_H
 
 struct pcr_ops {
-        u64 (*read_pcr)(unsigned long);
-        void (*write_pcr)(unsigned long, u64);
-        u64 (*read_pic)(unsigned long);
-        void (*write_pic)(unsigned long, u64);
-        u64 (*nmi_picl_value)(unsigned int nmi_hz);
-        u64 pcr_nmi_enable;
-        u64 pcr_nmi_disable;
+        u64 (*read)(void);
+        void (*write)(u64);
 };
 extern const struct pcr_ops *pcr_ops;
 
@@ -32,18 +27,21 @@ extern void schedule_deferred_pcr_work(void);
 #define PCR_N2_SL1_SHIFT        27
 #define PCR_N2_OV1              0x80000000
 
-#define PCR_N4_OV               0x00000001 /* PIC overflow             */
-#define PCR_N4_TOE              0x00000002 /* Trap On Event            */
-#define PCR_N4_UTRACE           0x00000004 /* Trace user events        */
-#define PCR_N4_STRACE           0x00000008 /* Trace supervisor events  */
-#define PCR_N4_HTRACE           0x00000010 /* Trace hypervisor events  */
-#define PCR_N4_MASK             0x000007e0 /* Event mask               */
-#define PCR_N4_MASK_SHIFT       5
-#define PCR_N4_SL               0x0000f800 /* Event Select             */
-#define PCR_N4_SL_SHIFT         11
-#define PCR_N4_PICNPT           0x00010000 /* PIC non-privileged trap  */
-#define PCR_N4_PICNHT           0x00020000 /* PIC non-hypervisor trap  */
-#define PCR_N4_NTC              0x00040000 /* Next-To-Commit wrap      */
+extern unsigned int picl_shift;
+
+/* In order to commonize as much of the implementation as
+ * possible, we use PICH as our counter.  Mostly this is
+ * to accommodate Niagara-1 which can only count insn cycles
+ * in PICH.
+ */
+static inline u64 picl_value(unsigned int nmi_hz)
+{
+        u32 delta = local_cpu_data().clock_tick / (nmi_hz << picl_shift);
+
+        return ((u64)((0 - delta) & 0xffffffff)) << 32;
+}
+
+extern u64 pcr_enable;
 
 extern int pcr_arch_init(void);
 
diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h
index 9b1c36de0f1..ca2b34456c4 100644
--- a/arch/sparc/include/asm/pgalloc_32.h
+++ b/arch/sparc/include/asm/pgalloc_32.h
@@ -4,74 +4,65 @@
 #include <linux/kernel.h>
 #include <linux/sched.h>
 
-#include <asm/pgtsrmmu.h>
-#include <asm/pgtable.h>
-#include <asm/vaddrs.h>
 #include <asm/page.h>
+#include <asm/btfixup.h>
 
 struct page;
 
-void *srmmu_get_nocache(int size, int align);
-void srmmu_free_nocache(void *addr, int size);
+extern struct pgtable_cache_struct {
+        unsigned long *pgd_cache;
+        unsigned long *pte_cache;
+        unsigned long pgtable_cache_sz;
+        unsigned long pgd_cache_sz;
+} pgt_quicklists;
+#define pgd_quicklist           (pgt_quicklists.pgd_cache)
+#define pmd_quicklist           ((unsigned long *)0)
+#define pte_quicklist           (pgt_quicklists.pte_cache)
+#define pgtable_cache_size      (pgt_quicklists.pgtable_cache_sz)
+#define pgd_cache_size          (pgt_quicklists.pgd_cache_sz)
 
-#define check_pgt_cache()       do { } while (0)
+extern void check_pgt_cache(void);
+BTFIXUPDEF_CALL(void,    do_check_pgt_cache, int, int)
+#define do_check_pgt_cache(low,high) BTFIXUP_CALL(do_check_pgt_cache)(low,high)
 
-pgd_t *get_pgd_fast(void);
-static inline void free_pgd_fast(pgd_t *pgd)
-{
-        srmmu_free_nocache(pgd, SRMMU_PGD_TABLE_SIZE);
-}
+BTFIXUPDEF_CALL(pgd_t *, get_pgd_fast, void)
+#define get_pgd_fast()          BTFIXUP_CALL(get_pgd_fast)()
+
+BTFIXUPDEF_CALL(void, free_pgd_fast, pgd_t *)
+#define free_pgd_fast(pgd)      BTFIXUP_CALL(free_pgd_fast)(pgd)
 
 #define pgd_free(mm, pgd)       free_pgd_fast(pgd)
 #define pgd_alloc(mm)   get_pgd_fast()
 
-static inline void pgd_set(pgd_t * pgdp, pmd_t * pmdp)
-{
-        unsigned long pa = __nocache_pa((unsigned long)pmdp);
-
-        set_pte((pte_t *)pgdp, (SRMMU_ET_PTD | (pa >> 4)));
-}
-
+BTFIXUPDEF_CALL(void, pgd_set, pgd_t *, pmd_t *)
+#define pgd_set(pgdp,pmdp) BTFIXUP_CALL(pgd_set)(pgdp,pmdp)
 #define pgd_populate(MM, PGD, PMD)      pgd_set(PGD, PMD)
 
-static inline pmd_t *pmd_alloc_one(struct mm_struct *mm,
-                                   unsigned long address)
-{
-        return srmmu_get_nocache(SRMMU_PMD_TABLE_SIZE,
-                                 SRMMU_PMD_TABLE_SIZE);
-}
+BTFIXUPDEF_CALL(pmd_t *, pmd_alloc_one, struct mm_struct *, unsigned long)
+#define pmd_alloc_one(mm, address)      BTFIXUP_CALL(pmd_alloc_one)(mm, address)
 
-static inline void free_pmd_fast(pmd_t * pmd)
-{
-        srmmu_free_nocache(pmd, SRMMU_PMD_TABLE_SIZE);
-}
+BTFIXUPDEF_CALL(void, free_pmd_fast, pmd_t *)
+#define free_pmd_fast(pmd)      BTFIXUP_CALL(free_pmd_fast)(pmd)
 
 #define pmd_free(mm, pmd)               free_pmd_fast(pmd)
 #define __pmd_free_tlb(tlb, pmd, addr)  pmd_free((tlb)->mm, pmd)
 
-void pmd_populate(struct mm_struct *mm, pmd_t *pmdp, struct page *ptep);
+BTFIXUPDEF_CALL(void, pmd_populate, pmd_t *, struct page *)
+#define pmd_populate(MM, PMD, PTE)        BTFIXUP_CALL(pmd_populate)(PMD, PTE)
 #define pmd_pgtable(pmd) pmd_page(pmd)
+BTFIXUPDEF_CALL(void, pmd_set, pmd_t *, pte_t *)
+#define pmd_populate_kernel(MM, PMD, PTE) BTFIXUP_CALL(pmd_set)(PMD, PTE)
 
-void pmd_set(pmd_t *pmdp, pte_t *ptep);
-#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE)
-
-pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address);
-
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-                                          unsigned long address)
-{
-        return srmmu_get_nocache(PTE_SIZE, PTE_SIZE);
-}
-
-
-static inline void free_pte_fast(pte_t *pte)
-{
-        srmmu_free_nocache(pte, PTE_SIZE);
-}
+BTFIXUPDEF_CALL(pgtable_t , pte_alloc_one, struct mm_struct *, unsigned long)
+#define pte_alloc_one(mm, address)      BTFIXUP_CALL(pte_alloc_one)(mm, address)
+BTFIXUPDEF_CALL(pte_t *, pte_alloc_one_kernel, struct mm_struct *, unsigned long)
+#define pte_alloc_one_kernel(mm, addr)  BTFIXUP_CALL(pte_alloc_one_kernel)(mm, addr)
 
-#define pte_free_kernel(mm, pte)        free_pte_fast(pte)
+BTFIXUPDEF_CALL(void, free_pte_fast, pte_t *)
+#define pte_free_kernel(mm, pte)        BTFIXUP_CALL(free_pte_fast)(pte)
 
-void pte_free(struct mm_struct * mm, pgtable_t pte);
+BTFIXUPDEF_CALL(void, pte_free, pgtable_t )
+#define pte_free(mm, pte)               BTFIXUP_CALL(pte_free)(pte)
 #define __pte_free_tlb(tlb, pte, addr)  pte_free((tlb)->mm, pte)
 
 #endif /* _SPARC_PGALLOC_H */
diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h
index bcfe063bce2..40b2d7a7023 100644
--- a/arch/sparc/include/asm/pgalloc_64.h
+++ b/arch/sparc/include/asm/pgalloc_64.h
@@ -38,20 +38,51 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
         kmem_cache_free(pgtable_cache, pmd);
 }
 
-extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-                                   unsigned long address);
-extern pgtable_t pte_alloc_one(struct mm_struct *mm,
-                               unsigned long address);
-extern void pte_free_kernel(struct mm_struct *mm, pte_t *pte);
-extern void pte_free(struct mm_struct *mm, pgtable_t ptepage);
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
+                                          unsigned long address)
+{
+        return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO);
+}
+
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
+                                        unsigned long address)
+{
+        struct page *page;
+        pte_t *pte;
+
+        pte = pte_alloc_one_kernel(mm, address);
+        if (!pte)
+                return NULL;
+        page = virt_to_page(pte);
+        pgtable_page_ctor(page);
+        return page;
+}
+
+static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
+{
+        free_page((unsigned long)pte);
+}
+
+static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
+{
+        pgtable_page_dtor(ptepage);
+        __free_page(ptepage);
+}
 
-#define pmd_populate_kernel(MM, PMD, PTE)       pmd_set(MM, PMD, PTE)
-#define pmd_populate(MM, PMD, PTE)              pmd_set(MM, PMD, PTE)
-#define pmd_pgtable(PMD)                        ((pte_t *)__pmd_page(PMD))
+#define pmd_populate_kernel(MM, PMD, PTE)       pmd_set(PMD, PTE)
+#define pmd_populate(MM,PMD,PTE_PAGE)           \
+        pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE))
+#define pmd_pgtable(pmd) pmd_page(pmd)
 
 #define check_pgt_cache()       do { } while (0)
 
-extern void pgtable_free(void *table, bool is_page);
+static inline void pgtable_free(void *table, bool is_page)
+{
+        if (is_page)
+                free_page((unsigned long)table);
+        else
+                kmem_cache_free(pgtable_cache, table);
+}
 
 #ifdef CONFIG_SMP
 
@@ -82,10 +113,11 @@ static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, bool is
 }
 #endif /* !CONFIG_SMP */
 
-static inline void __pte_free_tlb(struct mmu_gather *tlb, pte_t *pte,
+static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *ptepage,
                                   unsigned long address)
 {
-        pgtable_free_tlb(tlb, pte, true);
+        pgtable_page_dtor(ptepage);
+        pgtable_free_tlb(tlb, page_address(ptepage), true);
 }
 
 #define __pmd_free_tlb(tlb, pmd, addr)                \
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index 6fc13483f70..a790cc65747 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -16,10 +16,12 @@
 #include <linux/spinlock.h>
 #include <linux/swap.h>
 #include <asm/types.h>
+#include <asm/pgtsun4c.h>
 #include <asm/pgtsrmmu.h>
-#include <asm/vaddrs.h>
+#include <asm/vac-ops.h>
 #include <asm/oplib.h>
-#include <asm/cpu_type.h>
+#include <asm/btfixup.h>
+#include <asm/system.h>
 
 
 struct vm_area_struct;
@@ -28,56 +30,89 @@ struct page;
 extern void load_mmu(void);
 extern unsigned long calc_highpages(void);
 
+BTFIXUPDEF_SIMM13(pgdir_shift)
+BTFIXUPDEF_SETHI(pgdir_size)
+BTFIXUPDEF_SETHI(pgdir_mask)
+
+BTFIXUPDEF_SIMM13(ptrs_per_pmd)
+BTFIXUPDEF_SIMM13(ptrs_per_pgd)
+BTFIXUPDEF_SIMM13(user_ptrs_per_pgd)
+
 #define pte_ERROR(e)   __builtin_trap()
 #define pmd_ERROR(e)   __builtin_trap()
 #define pgd_ERROR(e)   __builtin_trap()
 
-#define PMD_SHIFT               22
+BTFIXUPDEF_INT(page_none)
+BTFIXUPDEF_INT(page_copy)
+BTFIXUPDEF_INT(page_readonly)
+BTFIXUPDEF_INT(page_kernel)
+
+#define PMD_SHIFT               SUN4C_PMD_SHIFT
 #define PMD_SIZE                (1UL << PMD_SHIFT)
 #define PMD_MASK                (~(PMD_SIZE-1))
 #define PMD_ALIGN(__addr)       (((__addr) + ~PMD_MASK) & PMD_MASK)
-#define PGDIR_SHIFT             SRMMU_PGDIR_SHIFT
-#define PGDIR_SIZE              SRMMU_PGDIR_SIZE
-#define PGDIR_MASK              SRMMU_PGDIR_MASK
+#define PGDIR_SHIFT             BTFIXUP_SIMM13(pgdir_shift)
+#define PGDIR_SIZE              BTFIXUP_SETHI(pgdir_size)
+#define PGDIR_MASK              BTFIXUP_SETHI(pgdir_mask)
 #define PTRS_PER_PTE            1024
-#define PTRS_PER_PMD            SRMMU_PTRS_PER_PMD
-#define PTRS_PER_PGD            SRMMU_PTRS_PER_PGD
-#define USER_PTRS_PER_PGD       PAGE_OFFSET / SRMMU_PGDIR_SIZE
+#define PTRS_PER_PMD            BTFIXUP_SIMM13(ptrs_per_pmd)
+#define PTRS_PER_PGD            BTFIXUP_SIMM13(ptrs_per_pgd)
+#define USER_PTRS_PER_PGD       BTFIXUP_SIMM13(user_ptrs_per_pgd)
 #define FIRST_USER_ADDRESS      0
 #define PTE_SIZE                (PTRS_PER_PTE*4)
 
-#define PAGE_NONE       SRMMU_PAGE_NONE
-#define PAGE_SHARED     SRMMU_PAGE_SHARED
-#define PAGE_COPY       SRMMU_PAGE_COPY
-#define PAGE_READONLY   SRMMU_PAGE_RDONLY
-#define PAGE_KERNEL     SRMMU_PAGE_KERNEL
+#define PAGE_NONE      __pgprot(BTFIXUP_INT(page_none))
+extern pgprot_t PAGE_SHARED;
+#define PAGE_COPY      __pgprot(BTFIXUP_INT(page_copy))
+#define PAGE_READONLY  __pgprot(BTFIXUP_INT(page_readonly))
+
+extern unsigned long page_kernel;
 
-/* Top-level page directory - dummy used by init-mm.
- * srmmu.c will assign the real one (which is dynamically sized) */
-#define swapper_pg_dir NULL
+#ifdef MODULE
+#define PAGE_KERNEL     page_kernel
+#else
+#define PAGE_KERNEL    __pgprot(BTFIXUP_INT(page_kernel))
+#endif
+
+/* Top-level page directory */
+extern pgd_t swapper_pg_dir[1024];
 
 extern void paging_init(void);
 
+/* Page table for 0-4MB for everybody, on the Sparc this
+ * holds the same as on the i386.
+ */
+extern pte_t pg0[1024];
+extern pte_t pg1[1024];
+extern pte_t pg2[1024];
+extern pte_t pg3[1024];
+
 extern unsigned long ptr_in_current_pgd;
 
-/*         xwr */
-#define __P000  PAGE_NONE
-#define __P001  PAGE_READONLY
-#define __P010  PAGE_COPY
-#define __P011  PAGE_COPY
-#define __P100  PAGE_READONLY
-#define __P101  PAGE_READONLY
-#define __P110  PAGE_COPY
-#define __P111  PAGE_COPY
-
-#define __S000  PAGE_NONE
-#define __S001  PAGE_READONLY
-#define __S010  PAGE_SHARED
-#define __S011  PAGE_SHARED
-#define __S100  PAGE_READONLY
-#define __S101  PAGE_READONLY
-#define __S110  PAGE_SHARED
-#define __S111  PAGE_SHARED
+/* Here is a trick, since mmap.c need the initializer elements for
+ * protection_map[] to be constant at compile time, I set the following
+ * to all zeros.  I set it to the real values after I link in the
+ * appropriate MMU page table routines at boot time.
+ */
+#define __P000  __pgprot(0)
+#define __P001  __pgprot(0)
+#define __P010  __pgprot(0)
+#define __P011  __pgprot(0)
+#define __P100  __pgprot(0)
+#define __P101  __pgprot(0)
+#define __P110  __pgprot(0)
+#define __P111  __pgprot(0)
+
+#define __S000  __pgprot(0)
+#define __S001  __pgprot(0)
+#define __S010  __pgprot(0)
+#define __S011  __pgprot(0)
+#define __S100  __pgprot(0)
+#define __S101  __pgprot(0)
+#define __S110  __pgprot(0)
+#define __S111  __pgprot(0)
+
+extern int num_contexts;
 
 /* First physical page can be anywhere, the following is needed so that
  * va-->pa and vice versa conversions work properly without performance
@@ -87,145 +122,97 @@ extern unsigned long phys_base;
 extern unsigned long pfn_base;
 
 /*
+ * BAD_PAGETABLE is used when we need a bogus page-table, while
+ * BAD_PAGE is used for a bogus page.
+ *
  * ZERO_PAGE is a global shared page that is always zero: used
  * for zero-mapped memory areas etc..
  */
+extern pte_t * __bad_pagetable(void);
+extern pte_t __bad_page(void);
 extern unsigned long empty_zero_page;
 
+#define BAD_PAGETABLE __bad_pagetable()
+#define BAD_PAGE __bad_page()
 #define ZERO_PAGE(vaddr) (virt_to_page(&empty_zero_page))
 
 /*
- * In general all page table modifications should use the V8 atomic
- * swap instruction.  This insures the mmu and the cpu are in sync
- * with respect to ref/mod bits in the page tables.
  */
-static inline unsigned long srmmu_swap(unsigned long *addr, unsigned long value)
-{
-        __asm__ __volatile__("swap [%2], %0" : "=&r" (value) : "0" (value), "r" (addr));
-        return value;
-}
+BTFIXUPDEF_CALL_CONST(struct page *, pmd_page, pmd_t)
+BTFIXUPDEF_CALL_CONST(unsigned long, pgd_page_vaddr, pgd_t)
 
-/* Certain architectures need to do special things when pte's
- * within a page table are directly modified.  Thus, the following
- * hook is made available.
- */
-
-static inline void set_pte(pte_t *ptep, pte_t pteval)
-{
-        srmmu_swap((unsigned long *)ptep, pte_val(pteval));
-}
-
-#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
-
-static inline int srmmu_device_memory(unsigned long x)
-{
-        return ((x & 0xF0000000) != 0);
-}
-
-static inline struct page *pmd_page(pmd_t pmd)
-{
-        if (srmmu_device_memory(pmd_val(pmd)))
-                BUG();
-        return pfn_to_page((pmd_val(pmd) & SRMMU_PTD_PMASK) >> (PAGE_SHIFT-4));
-}
-
-static inline unsigned long pgd_page_vaddr(pgd_t pgd)
-{
-        if (srmmu_device_memory(pgd_val(pgd))) {
-                return ~0;
-        } else {
-                unsigned long v = pgd_val(pgd) & SRMMU_PTD_PMASK;
-                return (unsigned long)__nocache_va(v << 4);
-        }
-}
+#define pmd_page(pmd) BTFIXUP_CALL(pmd_page)(pmd)
+#define pgd_page_vaddr(pgd) BTFIXUP_CALL(pgd_page_vaddr)(pgd)
 
-static inline int pte_present(pte_t pte)
-{
-        return ((pte_val(pte) & SRMMU_ET_MASK) == SRMMU_ET_PTE);
-}
+BTFIXUPDEF_CALL_CONST(int, pte_present, pte_t)
+BTFIXUPDEF_CALL(void, pte_clear, pte_t *)
 
 static inline int pte_none(pte_t pte)
 {
         return !pte_val(pte);
 }
 
-static inline void __pte_clear(pte_t *ptep)
-{
-        set_pte(ptep, __pte(0));
-}
+#define pte_present(pte) BTFIXUP_CALL(pte_present)(pte)
+#define pte_clear(mm,addr,pte) BTFIXUP_CALL(pte_clear)(pte)
 
-static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
-{
-        __pte_clear(ptep);
-}
-
-static inline int pmd_bad(pmd_t pmd)
-{
-        return (pmd_val(pmd) & SRMMU_ET_MASK) != SRMMU_ET_PTD;
-}
-
-static inline int pmd_present(pmd_t pmd)
-{
-        return ((pmd_val(pmd) & SRMMU_ET_MASK) == SRMMU_ET_PTD);
-}
+BTFIXUPDEF_CALL_CONST(int, pmd_bad, pmd_t)
+BTFIXUPDEF_CALL_CONST(int, pmd_present, pmd_t)
+BTFIXUPDEF_CALL(void, pmd_clear, pmd_t *)
 
 static inline int pmd_none(pmd_t pmd)
 {
         return !pmd_val(pmd);
 }
 
-static inline void pmd_clear(pmd_t *pmdp)
-{
-        int i;
-        for (i = 0; i < PTRS_PER_PTE/SRMMU_REAL_PTRS_PER_PTE; i++)
-                set_pte((pte_t *)&pmdp->pmdv[i], __pte(0));
-}
+#define pmd_bad(pmd) BTFIXUP_CALL(pmd_bad)(pmd)
+#define pmd_present(pmd) BTFIXUP_CALL(pmd_present)(pmd)
+#define pmd_clear(pmd) BTFIXUP_CALL(pmd_clear)(pmd)
 
-static inline int pgd_none(pgd_t pgd)          
-{
-        return !(pgd_val(pgd) & 0xFFFFFFF);
-}
-
-static inline int pgd_bad(pgd_t pgd)
-{
-        return (pgd_val(pgd) & SRMMU_ET_MASK) != SRMMU_ET_PTD;
-}
-
-static inline int pgd_present(pgd_t pgd)
-{
-        return ((pgd_val(pgd) & SRMMU_ET_MASK) == SRMMU_ET_PTD);
-}
+BTFIXUPDEF_CALL_CONST(int, pgd_none, pgd_t)
+BTFIXUPDEF_CALL_CONST(int, pgd_bad, pgd_t)
+BTFIXUPDEF_CALL_CONST(int, pgd_present, pgd_t)
+BTFIXUPDEF_CALL(void, pgd_clear, pgd_t *)
 
-static inline void pgd_clear(pgd_t *pgdp)
-{
-        set_pte((pte_t *)pgdp, __pte(0));
-}
+#define pgd_none(pgd) BTFIXUP_CALL(pgd_none)(pgd)
+#define pgd_bad(pgd) BTFIXUP_CALL(pgd_bad)(pgd)
+#define pgd_present(pgd) BTFIXUP_CALL(pgd_present)(pgd)
+#define pgd_clear(pgd) BTFIXUP_CALL(pgd_clear)(pgd)
 
 /*
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
  */
+BTFIXUPDEF_HALF(pte_writei)
+BTFIXUPDEF_HALF(pte_dirtyi)
+BTFIXUPDEF_HALF(pte_youngi)
+
+static int pte_write(pte_t pte) __attribute_const__;
 static inline int pte_write(pte_t pte)
 {
-        return pte_val(pte) & SRMMU_WRITE;
+        return pte_val(pte) & BTFIXUP_HALF(pte_writei);
 }
 
+static int pte_dirty(pte_t pte) __attribute_const__;
 static inline int pte_dirty(pte_t pte)
 {
-        return pte_val(pte) & SRMMU_DIRTY;
+        return pte_val(pte) & BTFIXUP_HALF(pte_dirtyi);
 }
 
+static int pte_young(pte_t pte) __attribute_const__;
 static inline int pte_young(pte_t pte)
 {
-        return pte_val(pte) & SRMMU_REF;
+        return pte_val(pte) & BTFIXUP_HALF(pte_youngi);
 }
 
 /*
  * The following only work if pte_present() is not true.
  */
+BTFIXUPDEF_HALF(pte_filei)
+
+static int pte_file(pte_t pte) __attribute_const__;
 static inline int pte_file(pte_t pte)
 {
-        return pte_val(pte) & SRMMU_FILE;
+        return pte_val(pte) & BTFIXUP_HALF(pte_filei);
 }
 
 static inline int pte_special(pte_t pte)
@@ -233,85 +220,68 @@ static inline int pte_special(pte_t pte)
         return 0;
 }
 
+/*
+ */
+BTFIXUPDEF_HALF(pte_wrprotecti)
+BTFIXUPDEF_HALF(pte_mkcleani)
+BTFIXUPDEF_HALF(pte_mkoldi)
+
+static pte_t pte_wrprotect(pte_t pte) __attribute_const__;
 static inline pte_t pte_wrprotect(pte_t pte)
 {
-        return __pte(pte_val(pte) & ~SRMMU_WRITE);
+        return __pte(pte_val(pte) & ~BTFIXUP_HALF(pte_wrprotecti));
 }
 
+static pte_t pte_mkclean(pte_t pte) __attribute_const__;
 static inline pte_t pte_mkclean(pte_t pte)
 {
-        return __pte(pte_val(pte) & ~SRMMU_DIRTY);
+        return __pte(pte_val(pte) & ~BTFIXUP_HALF(pte_mkcleani));
 }
 
+static pte_t pte_mkold(pte_t pte) __attribute_const__;
 static inline pte_t pte_mkold(pte_t pte)
 {
-        return __pte(pte_val(pte) & ~SRMMU_REF);
-}
-
-static inline pte_t pte_mkwrite(pte_t pte)
-{
-        return __pte(pte_val(pte) | SRMMU_WRITE);
+        return __pte(pte_val(pte) & ~BTFIXUP_HALF(pte_mkoldi));
 }
 
-static inline pte_t pte_mkdirty(pte_t pte)
-{
-        return __pte(pte_val(pte) | SRMMU_DIRTY);
-}
+BTFIXUPDEF_CALL_CONST(pte_t, pte_mkwrite, pte_t)
+BTFIXUPDEF_CALL_CONST(pte_t, pte_mkdirty, pte_t)
+BTFIXUPDEF_CALL_CONST(pte_t, pte_mkyoung, pte_t)
 
-static inline pte_t pte_mkyoung(pte_t pte)
-{
-        return __pte(pte_val(pte) | SRMMU_REF);
-}
+#define pte_mkwrite(pte) BTFIXUP_CALL(pte_mkwrite)(pte)
+#define pte_mkdirty(pte) BTFIXUP_CALL(pte_mkdirty)(pte)
+#define pte_mkyoung(pte) BTFIXUP_CALL(pte_mkyoung)(pte)
 
 #define pte_mkspecial(pte)    (pte)
 
 #define pfn_pte(pfn, prot)              mk_pte(pfn_to_page(pfn), prot)
 
-static inline unsigned long pte_pfn(pte_t pte)
-{
-        if (srmmu_device_memory(pte_val(pte))) {
-                /* Just return something that will cause
-                 * pfn_valid() to return false.  This makes
-                 * copy_one_pte() to just directly copy to
-                 * PTE over.
-                 */
-                return ~0UL;
-        }
-        return (pte_val(pte) & SRMMU_PTE_PMASK) >> (PAGE_SHIFT-4);
-}
-
+BTFIXUPDEF_CALL(unsigned long,   pte_pfn, pte_t)
+#define pte_pfn(pte) BTFIXUP_CALL(pte_pfn)(pte)
 #define pte_page(pte)   pfn_to_page(pte_pfn(pte))
 
 /*
  * Conversion functions: convert a page and protection to a page entry,
  * and a page entry and page directory to the page they refer to.
  */
-static inline pte_t mk_pte(struct page *page, pgprot_t pgprot)
-{
-        return __pte((page_to_pfn(page) << (PAGE_SHIFT-4)) | pgprot_val(pgprot));
-}
+BTFIXUPDEF_CALL_CONST(pte_t, mk_pte, struct page *, pgprot_t)
 
-static inline pte_t mk_pte_phys(unsigned long page, pgprot_t pgprot)
-{
-        return __pte(((page) >> 4) | pgprot_val(pgprot));
-}
+BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_phys, unsigned long, pgprot_t)
+BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_io, unsigned long, pgprot_t, int)
+BTFIXUPDEF_CALL_CONST(pgprot_t, pgprot_noncached, pgprot_t)
 
-static inline pte_t mk_pte_io(unsigned long page, pgprot_t pgprot, int space)
-{
-        return __pte(((page) >> 4) | (space << 28) | pgprot_val(pgprot));
-}
+#define mk_pte(page,pgprot) BTFIXUP_CALL(mk_pte)(page,pgprot)
+#define mk_pte_phys(page,pgprot) BTFIXUP_CALL(mk_pte_phys)(page,pgprot)
+#define mk_pte_io(page,pgprot,space) BTFIXUP_CALL(mk_pte_io)(page,pgprot,space)
 
-#define pgprot_noncached pgprot_noncached
-static inline pgprot_t pgprot_noncached(pgprot_t prot)
-{
-        prot &= ~__pgprot(SRMMU_CACHE);
-        return prot;
-}
+#define pgprot_noncached(pgprot) BTFIXUP_CALL(pgprot_noncached)(pgprot)
+
+BTFIXUPDEF_INT(pte_modify_mask)
 
 static pte_t pte_modify(pte_t pte, pgprot_t newprot) __attribute_const__;
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
-        return __pte((pte_val(pte) & SRMMU_CHG_MASK) |
+        return __pte((pte_val(pte) & BTFIXUP_INT(pte_modify_mask)) |
                 pgprot_val(newprot));
 }
 
@@ -324,76 +294,114 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 #define pgd_offset_k(address) pgd_offset(&init_mm, address)
 
 /* Find an entry in the second-level page table.. */
-static inline pmd_t *pmd_offset(pgd_t * dir, unsigned long address)
-{
-        return (pmd_t *) pgd_page_vaddr(*dir) +
-                ((address >> PMD_SHIFT) & (PTRS_PER_PMD - 1));
-}
+BTFIXUPDEF_CALL(pmd_t *, pmd_offset, pgd_t *, unsigned long)
+#define pmd_offset(dir,addr) BTFIXUP_CALL(pmd_offset)(dir,addr)
 
 /* Find an entry in the third-level page table.. */
-pte_t *pte_offset_kernel(pmd_t * dir, unsigned long address);
+BTFIXUPDEF_CALL(pte_t *, pte_offset_kernel, pmd_t *, unsigned long)
+#define pte_offset_kernel(dir,addr) BTFIXUP_CALL(pte_offset_kernel)(dir,addr)
 
 /*
- * This shortcut works on sun4m (and sun4d) because the nocache area is static.
+ * This shortcut works on sun4m (and sun4d) because the nocache area is static,
+ * and sun4c is guaranteed to have no highmem anyway.
  */
 #define pte_offset_map(d, a)            pte_offset_kernel(d,a)
 #define pte_unmap(pte)          do{}while(0)
 
+/* Certain architectures need to do special things when pte's
+ * within a page table are directly modified.  Thus, the following
+ * hook is made available.
+ */
+
+BTFIXUPDEF_CALL(void, set_pte, pte_t *, pte_t)
+
+#define set_pte(ptep,pteval) BTFIXUP_CALL(set_pte)(ptep,pteval)
+#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
+
 struct seq_file;
-void mmu_info(struct seq_file *m);
+BTFIXUPDEF_CALL(void, mmu_info, struct seq_file *)
+
+#define mmu_info(p) BTFIXUP_CALL(mmu_info)(p)
 
 /* Fault handler stuff... */
 #define FAULT_CODE_PROT     0x1
 #define FAULT_CODE_WRITE    0x2
 #define FAULT_CODE_USER     0x4
 
-#define update_mmu_cache(vma, address, ptep) do { } while (0)
+BTFIXUPDEF_CALL(void, update_mmu_cache, struct vm_area_struct *, unsigned long, pte_t *)
 
-void srmmu_mapiorange(unsigned int bus, unsigned long xpa,
-                      unsigned long xva, unsigned int len);
-void srmmu_unmapiorange(unsigned long virt_addr, unsigned int len);
+#define update_mmu_cache(vma,addr,ptep) BTFIXUP_CALL(update_mmu_cache)(vma,addr,ptep)
 
-/* Encode and de-code a swap entry */
-static inline unsigned long __swp_type(swp_entry_t entry)
-{
-        return (entry.val >> SRMMU_SWP_TYPE_SHIFT) & SRMMU_SWP_TYPE_MASK;
-}
+BTFIXUPDEF_CALL(void, sparc_mapiorange, unsigned int, unsigned long,
+    unsigned long, unsigned int)
+BTFIXUPDEF_CALL(void, sparc_unmapiorange, unsigned long, unsigned int)
+#define sparc_mapiorange(bus,pa,va,len) BTFIXUP_CALL(sparc_mapiorange)(bus,pa,va,len)
+#define sparc_unmapiorange(va,len) BTFIXUP_CALL(sparc_unmapiorange)(va,len)
 
-static inline unsigned long __swp_offset(swp_entry_t entry)
-{
-        return (entry.val >> SRMMU_SWP_OFF_SHIFT) & SRMMU_SWP_OFF_MASK;
-}
+extern int invalid_segment;
 
-static inline swp_entry_t __swp_entry(unsigned long type, unsigned long offset)
-{
-        return (swp_entry_t) {
-                (type & SRMMU_SWP_TYPE_MASK) << SRMMU_SWP_TYPE_SHIFT
-                | (offset & SRMMU_SWP_OFF_MASK) << SRMMU_SWP_OFF_SHIFT };
-}
+/* Encode and de-code a swap entry */
+BTFIXUPDEF_CALL(unsigned long, __swp_type, swp_entry_t)
+BTFIXUPDEF_CALL(unsigned long, __swp_offset, swp_entry_t)
+BTFIXUPDEF_CALL(swp_entry_t, __swp_entry, unsigned long, unsigned long)
+
+#define __swp_type(__x)                 BTFIXUP_CALL(__swp_type)(__x)
+#define __swp_offset(__x)               BTFIXUP_CALL(__swp_offset)(__x)
+#define __swp_entry(__type,__off)       BTFIXUP_CALL(__swp_entry)(__type,__off)
 
 #define __pte_to_swp_entry(pte)         ((swp_entry_t) { pte_val(pte) })
 #define __swp_entry_to_pte(x)           ((pte_t) { (x).val })
 
 /* file-offset-in-pte helpers */
-static inline unsigned long pte_to_pgoff(pte_t pte)
-{
-        return pte_val(pte) >> SRMMU_PTE_FILE_SHIFT;
-}
+BTFIXUPDEF_CALL(unsigned long, pte_to_pgoff, pte_t pte);
+BTFIXUPDEF_CALL(pte_t, pgoff_to_pte, unsigned long pgoff);
 
-static inline pte_t pgoff_to_pte(unsigned long pgoff)
-{
-        return __pte((pgoff << SRMMU_PTE_FILE_SHIFT) | SRMMU_FILE);
-}
+#define pte_to_pgoff(pte) BTFIXUP_CALL(pte_to_pgoff)(pte)
+#define pgoff_to_pte(off) BTFIXUP_CALL(pgoff_to_pte)(off)
 
 /*
  * This is made a constant because mm/fremap.c required a constant.
+ * Note that layout of these bits is different between sun4c.c and srmmu.c.
  */
 #define PTE_FILE_MAX_BITS 24
 
+/*
+ */
+struct ctx_list {
+        struct ctx_list *next;
+        struct ctx_list *prev;
+        unsigned int ctx_number;
+        struct mm_struct *ctx_mm;
+};
+
+extern struct ctx_list *ctx_list_pool;  /* Dynamically allocated */
+extern struct ctx_list ctx_free;        /* Head of free list */
+extern struct ctx_list ctx_used;        /* Head of used contexts list */
+
+#define NO_CONTEXT     -1
+
+static inline void remove_from_ctx_list(struct ctx_list *entry)
+{
+        entry->next->prev = entry->prev;
+        entry->prev->next = entry->next;
+}
+
+static inline void add_to_ctx_list(struct ctx_list *head, struct ctx_list *entry)
+{
+        entry->next = head;
+        (entry->prev = head->prev)->next = entry;
+        head->prev = entry;
+}
+#define add_to_free_ctxlist(entry) add_to_ctx_list(&ctx_free, entry)
+#define add_to_used_ctxlist(entry) add_to_ctx_list(&ctx_used, entry)
+
 static inline unsigned long
 __get_phys (unsigned long addr)
 {
         switch (sparc_cpu_model){
+        case sun4:
+        case sun4c:
+                return sun4c_get_pte (addr) << PAGE_SHIFT;
         case sun4m:
         case sun4d:
                 return ((srmmu_get_pte (addr) & 0xffffff00) << 4);
@@ -406,6 +414,9 @@ static inline int
 __get_iospace (unsigned long addr)
 {
         switch (sparc_cpu_model){
+        case sun4:
+        case sun4c:
+                return -1; /* Don't check iospace on sun4c */
         case sun4m:
         case sun4d:
                 return (srmmu_get_pte (addr) >> 28);
@@ -452,7 +463,7 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma,
                 set_pte_at((__vma)->vm_mm, (__address), __ptep, __entry); \
                 flush_tlb_page(__vma, __address);                         \
         }                                                                 \
-        __changed;                                                        \
+        (sparc_cpu_model == sun4c) || __changed;                          \
 })
 
 #include <asm-generic/pgtable.h>
@@ -460,8 +471,10 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma,
 #endif /* !(__ASSEMBLY__) */
 
 #define VMALLOC_START           _AC(0xfe600000,UL)
+/* XXX Alter this when I get around to fixing sun4c - Anton */
 #define VMALLOC_END             _AC(0xffc00000,UL)
 
+
 /* We provide our own get_unmapped_area to cope with VA holes for userland */
 #define HAVE_ARCH_UNMAPPED_AREA
 
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 7870be0f5ad..38ebb2c6013 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -12,16 +12,17 @@
  * the SpitFire page tables.
  */
 
+#include <asm-generic/pgtable-nopud.h>
+
 #include <linux/compiler.h>
 #include <linux/const.h>
 #include <asm/types.h>
 #include <asm/spitfire.h>
 #include <asm/asi.h>
+#include <asm/system.h>
 #include <asm/page.h>
 #include <asm/processor.h>
 
-#include <asm-generic/pgtable-nopud.h>
-
 /* The kernel image occupies 0x4000000 to 0x6000000 (4MB --> 96MB).
  * The page copy blockops can use 0x6000000 to 0x8000000.
  * The TSB is mapped in the 0x8000000 to 0xa000000 range.
@@ -45,59 +46,40 @@
 
 #define vmemmap                 ((struct page *)VMEMMAP_BASE)
 
+/* XXX All of this needs to be rethought so we can take advantage
+ * XXX cheetah's full 64-bit virtual address space, ie. no more hole
+ * XXX in the middle like on spitfire. -DaveM
+ */
+/*
+ * Given a virtual address, the lowest PAGE_SHIFT bits determine offset
+ * into the page; the next higher PAGE_SHIFT-3 bits determine the pte#
+ * in the proper pagetable (the -3 is from the 8 byte ptes, and each page
+ * table is a single page long). The next higher PMD_BITS determine pmd#
+ * in the proper pmdtable (where we must have PMD_BITS <= (PAGE_SHIFT-2)
+ * since the pmd entries are 4 bytes, and each pmd page is a single page
+ * long). Finally, the higher few bits determine pgde#.
+ */
+
 /* PMD_SHIFT determines the size of the area a second-level page
  * table can map
  */
-#define PMD_SHIFT       (PAGE_SHIFT + (PAGE_SHIFT-4))
+#define PMD_SHIFT       (PAGE_SHIFT + (PAGE_SHIFT-3))
 #define PMD_SIZE        (_AC(1,UL) << PMD_SHIFT)
 #define PMD_MASK        (~(PMD_SIZE-1))
 #define PMD_BITS        (PAGE_SHIFT - 2)
 
 /* PGDIR_SHIFT determines what a third-level page table entry can map */
-#define PGDIR_SHIFT     (PAGE_SHIFT + (PAGE_SHIFT-4) + PMD_BITS)
+#define PGDIR_SHIFT     (PAGE_SHIFT + (PAGE_SHIFT-3) + PMD_BITS)
 #define PGDIR_SIZE      (_AC(1,UL) << PGDIR_SHIFT)
 #define PGDIR_MASK      (~(PGDIR_SIZE-1))
 #define PGDIR_BITS      (PAGE_SHIFT - 2)
 
-#if (PGDIR_SHIFT + PGDIR_BITS) != 44
-#error Page table parameters do not cover virtual address space properly.
-#endif
-
-#if (PMD_SHIFT != HPAGE_SHIFT)
-#error PMD_SHIFT must equal HPAGE_SHIFT for transparent huge pages.
-#endif
-
-/* PMDs point to PTE tables which are 4K aligned.  */
-#define PMD_PADDR       _AC(0xfffffffe,UL)
-#define PMD_PADDR_SHIFT _AC(11,UL)
-
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-#define PMD_ISHUGE      _AC(0x00000001,UL)
-
-/* This is the PMD layout when PMD_ISHUGE is set.  With 4MB huge
- * pages, this frees up a bunch of bits in the layout that we can
- * use for the protection settings and software metadata.
- */
-#define PMD_HUGE_PADDR          _AC(0xfffff800,UL)
-#define PMD_HUGE_PROTBITS       _AC(0x000007ff,UL)
-#define PMD_HUGE_PRESENT        _AC(0x00000400,UL)
-#define PMD_HUGE_WRITE          _AC(0x00000200,UL)
-#define PMD_HUGE_DIRTY          _AC(0x00000100,UL)
-#define PMD_HUGE_ACCESSED       _AC(0x00000080,UL)
-#define PMD_HUGE_EXEC           _AC(0x00000040,UL)
-#define PMD_HUGE_SPLITTING      _AC(0x00000020,UL)
-#endif
-
-/* PGDs point to PMD tables which are 8K aligned.  */
-#define PGD_PADDR       _AC(0xfffffffc,UL)
-#define PGD_PADDR_SHIFT _AC(11,UL)
-
 #ifndef __ASSEMBLY__
 
 #include <linux/sched.h>
 
 /* Entries per page directory level. */
-#define PTRS_PER_PTE    (1UL << (PAGE_SHIFT-4))
+#define PTRS_PER_PTE    (1UL << (PAGE_SHIFT-3))
 #define PTRS_PER_PMD    (1UL << PMD_BITS)
 #define PTRS_PER_PGD    (1UL << PGDIR_BITS)
 
@@ -179,11 +161,26 @@
 #define _PAGE_SZ8K_4V     _AC(0x0000000000000000,UL) /* 8K Page              */
 #define _PAGE_SZALL_4V    _AC(0x0000000000000007,UL) /* All pgsz bits        */
 
+#if PAGE_SHIFT == 13
 #define _PAGE_SZBITS_4U _PAGE_SZ8K_4U
 #define _PAGE_SZBITS_4V _PAGE_SZ8K_4V
+#elif PAGE_SHIFT == 16
+#define _PAGE_SZBITS_4U _PAGE_SZ64K_4U
+#define _PAGE_SZBITS_4V _PAGE_SZ64K_4V
+#else
+#error Wrong PAGE_SHIFT specified
+#endif
 
+#if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB)
 #define _PAGE_SZHUGE_4U _PAGE_SZ4MB_4U
 #define _PAGE_SZHUGE_4V _PAGE_SZ4MB_4V
+#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K)
+#define _PAGE_SZHUGE_4U _PAGE_SZ512K_4U
+#define _PAGE_SZHUGE_4V _PAGE_SZ512K_4V
+#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K)
+#define _PAGE_SZHUGE_4U _PAGE_SZ64K_4U
+#define _PAGE_SZHUGE_4V _PAGE_SZ64K_4V
+#endif
 
 /* These are actually filled in at boot time by sun4{u,v}_pgprot_init() */
 #define __P000  __pgprot(0)
@@ -222,6 +219,7 @@ extern unsigned long _PAGE_CACHE;
 
 extern unsigned long pg_iobits;
 extern unsigned long _PAGE_ALL_SZ_BITS;
+extern unsigned long _PAGE_SZBITS;
 
 extern struct page *mem_map_zero;
 #define ZERO_PAGE(vaddr)        (mem_map_zero)
@@ -234,25 +232,25 @@ extern struct page *mem_map_zero;
 static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot)
 {
         unsigned long paddr = pfn << PAGE_SHIFT;
-
-        BUILD_BUG_ON(_PAGE_SZBITS_4U != 0UL || _PAGE_SZBITS_4V != 0UL);
-        return __pte(paddr | pgprot_val(prot));
+        unsigned long sz_bits;
+
+        sz_bits = 0UL;
+        if (_PAGE_SZBITS_4U != 0UL || _PAGE_SZBITS_4V != 0UL) {
+                __asm__ __volatile__(
+                "\n661: sethi           %%uhi(%1), %0\n"
+                "       sllx            %0, 32, %0\n"
+                "       .section        .sun4v_2insn_patch, \"ax\"\n"
+                "       .word           661b\n"
+                "       mov             %2, %0\n"
+                "       nop\n"
+                "       .previous\n"
+                : "=r" (sz_bits)
+                : "i" (_PAGE_SZBITS_4U), "i" (_PAGE_SZBITS_4V));
+        }
+        return __pte(paddr | sz_bits | pgprot_val(prot));
 }
 #define mk_pte(page, pgprot)    pfn_pte(page_to_pfn(page), (pgprot))
 
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-extern pmd_t pfn_pmd(unsigned long page_nr, pgprot_t pgprot);
-#define mk_pmd(page, pgprot)    pfn_pmd(page_to_pfn(page), (pgprot))
-
-extern pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot);
-
-static inline pmd_t pmd_mkhuge(pmd_t pmd)
-{
-        /* Do nothing, mk_pmd() does this part.  */
-        return pmd;
-}
-#endif
-
 /* This one can be done with two shifts.  */
 static inline unsigned long pte_pfn(pte_t pte)
 {
@@ -289,7 +287,6 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t prot)
          * Note: We encode this into 3 sun4v 2-insn patch sequences.
          */
 
-        BUILD_BUG_ON(_PAGE_SZBITS_4U != 0UL || _PAGE_SZBITS_4V != 0UL);
         __asm__ __volatile__(
         "\n661: sethi           %%uhi(%2), %1\n"
         "       sethi           %%hi(%2), %0\n"
@@ -311,10 +308,10 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t prot)
         : "=r" (mask), "=r" (tmp)
         : "i" (_PAGE_PADDR_4U | _PAGE_MODIFIED_4U | _PAGE_ACCESSED_4U |
                _PAGE_CP_4U | _PAGE_CV_4U | _PAGE_E_4U | _PAGE_PRESENT_4U |
-               _PAGE_SPECIAL),
+               _PAGE_SZBITS_4U | _PAGE_SPECIAL),
           "i" (_PAGE_PADDR_4V | _PAGE_MODIFIED_4V | _PAGE_ACCESSED_4V |
                _PAGE_CP_4V | _PAGE_CV_4V | _PAGE_E_4V | _PAGE_PRESENT_4V |
-               _PAGE_SPECIAL));
+               _PAGE_SZBITS_4V | _PAGE_SPECIAL));
 
         return __pte((pte_val(pte) & mask) | (pgprot_val(prot) & ~mask));
 }
@@ -617,141 +614,24 @@ static inline unsigned long pte_present(pte_t pte)
         return val;
 }
 
-#define pte_accessible pte_accessible
-static inline unsigned long pte_accessible(pte_t a)
-{
-        return pte_val(a) & _PAGE_VALID;
-}
-
 static inline unsigned long pte_special(pte_t pte)
 {
         return pte_val(pte) & _PAGE_SPECIAL;
 }
 
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-static inline int pmd_young(pmd_t pmd)
-{
-        return pmd_val(pmd) & PMD_HUGE_ACCESSED;
-}
-
-static inline int pmd_write(pmd_t pmd)
-{
-        return pmd_val(pmd) & PMD_HUGE_WRITE;
-}
-
-static inline unsigned long pmd_pfn(pmd_t pmd)
-{
-        unsigned long val = pmd_val(pmd) & PMD_HUGE_PADDR;
-
-        return val >> (PAGE_SHIFT - PMD_PADDR_SHIFT);
-}
-
-static inline int pmd_large(pmd_t pmd)
-{
-        return (pmd_val(pmd) & (PMD_ISHUGE | PMD_HUGE_PRESENT)) ==
-                (PMD_ISHUGE | PMD_HUGE_PRESENT);
-}
-
-static inline int pmd_trans_splitting(pmd_t pmd)
-{
-        return (pmd_val(pmd) & (PMD_ISHUGE|PMD_HUGE_SPLITTING)) ==
-                (PMD_ISHUGE|PMD_HUGE_SPLITTING);
-}
-
-static inline int pmd_trans_huge(pmd_t pmd)
-{
-        return pmd_val(pmd) & PMD_ISHUGE;
-}
-
-#define has_transparent_hugepage() 1
-
-static inline pmd_t pmd_mkold(pmd_t pmd)
-{
-        pmd_val(pmd) &= ~PMD_HUGE_ACCESSED;
-        return pmd;
-}
-
-static inline pmd_t pmd_wrprotect(pmd_t pmd)
-{
-        pmd_val(pmd) &= ~PMD_HUGE_WRITE;
-        return pmd;
-}
-
-static inline pmd_t pmd_mkdirty(pmd_t pmd)
-{
-        pmd_val(pmd) |= PMD_HUGE_DIRTY;
-        return pmd;
-}
-
-static inline pmd_t pmd_mkyoung(pmd_t pmd)
-{
-        pmd_val(pmd) |= PMD_HUGE_ACCESSED;
-        return pmd;
-}
-
-static inline pmd_t pmd_mkwrite(pmd_t pmd)
-{
-        pmd_val(pmd) |= PMD_HUGE_WRITE;
-        return pmd;
-}
-
-static inline pmd_t pmd_mknotpresent(pmd_t pmd)
-{
-        pmd_val(pmd) &= ~PMD_HUGE_PRESENT;
-        return pmd;
-}
-
-static inline pmd_t pmd_mksplitting(pmd_t pmd)
-{
-        pmd_val(pmd) |= PMD_HUGE_SPLITTING;
-        return pmd;
-}
-
-extern pgprot_t pmd_pgprot(pmd_t entry);
-#endif
-
-static inline int pmd_present(pmd_t pmd)
-{
-        return pmd_val(pmd) != 0U;
-}
-
-#define pmd_none(pmd)                   (!pmd_val(pmd))
-
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-extern void set_pmd_at(struct mm_struct *mm, unsigned long addr,
-                       pmd_t *pmdp, pmd_t pmd);
-#else
-static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
-                              pmd_t *pmdp, pmd_t pmd)
-{
-        *pmdp = pmd;
-}
-#endif
-
-static inline void pmd_set(struct mm_struct *mm, pmd_t *pmdp, pte_t *ptep)
-{
-        unsigned long val = __pa((unsigned long) (ptep)) >> PMD_PADDR_SHIFT;
-
-        pmd_val(*pmdp) = val;
-}
-
+#define pmd_set(pmdp, ptep)     \
+        (pmd_val(*(pmdp)) = (__pa((unsigned long) (ptep)) >> 11UL))
 #define pud_set(pudp, pmdp)     \
-        (pud_val(*(pudp)) = (__pa((unsigned long) (pmdp)) >> PGD_PADDR_SHIFT))
-static inline unsigned long __pmd_page(pmd_t pmd)
-{
-        unsigned long paddr = (unsigned long) pmd_val(pmd);
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-        if (pmd_val(pmd) & PMD_ISHUGE)
-                paddr &= PMD_HUGE_PADDR;
-#endif
-        paddr <<= PMD_PADDR_SHIFT;
-        return ((unsigned long) __va(paddr));
-}
+        (pud_val(*(pudp)) = (__pa((unsigned long) (pmdp)) >> 11UL))
+#define __pmd_page(pmd)         \
+        ((unsigned long) __va((((unsigned long)pmd_val(pmd))<<11UL)))
 #define pmd_page(pmd)                   virt_to_page((void *)__pmd_page(pmd))
 #define pud_page_vaddr(pud)             \
-        ((unsigned long) __va((((unsigned long)pud_val(pud))<<PGD_PADDR_SHIFT)))
+        ((unsigned long) __va((((unsigned long)pud_val(pud))<<11UL)))
 #define pud_page(pud)                   virt_to_page((void *)pud_page_vaddr(pud))
+#define pmd_none(pmd)                   (!pmd_val(pmd))
 #define pmd_bad(pmd)                    (0)
+#define pmd_present(pmd)                (pmd_val(pmd) != 0U)
 #define pmd_clear(pmdp)                 (pmd_val(*(pmdp)) = 0U)
 #define pud_none(pud)                   (!pud_val(pud))
 #define pud_bad(pud)                    (0)
@@ -785,16 +665,6 @@ static inline unsigned long __pmd_page(pmd_t pmd)
 extern void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr,
                           pte_t *ptep, pte_t orig, int fullmm);
 
-#define __HAVE_ARCH_PMDP_GET_AND_CLEAR
-static inline pmd_t pmdp_get_and_clear(struct mm_struct *mm,
-                                       unsigned long addr,
-                                       pmd_t *pmdp)
-{
-        pmd_t pmd = *pmdp;
-        set_pmd_at(mm, addr, pmdp, __pmd(0U));
-        return pmd;
-}
-
 static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr,
                              pte_t *ptep, pte_t pte, int fullmm)
 {
@@ -808,7 +678,7 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr,
          * SUN4V NOTE: _PAGE_VALID is the same value in both the SUN4U
          *             and SUN4V pte layout, so this inline test is fine.
          */
-        if (likely(mm != &init_mm) && pte_accessible(orig))
+        if (likely(mm != &init_mm) && (pte_val(orig) & _PAGE_VALID))
                 tlb_batch_add(mm, addr, ptep, orig, fullmm);
 }
 
@@ -848,18 +718,12 @@ extern unsigned long find_ecache_flush_span(unsigned long size);
 struct seq_file;
 extern void mmu_info(struct seq_file *);
 
+/* These do nothing with the way I have things setup. */
+#define mmu_lockarea(vaddr, len)                (vaddr)
+#define mmu_unlockarea(vaddr, len)              do { } while(0)
+
 struct vm_area_struct;
 extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *);
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-extern void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr,
-                                 pmd_t *pmd);
-
-#define __HAVE_ARCH_PGTABLE_DEPOSIT
-extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable);
-
-#define __HAVE_ARCH_PGTABLE_WITHDRAW
-extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm);
-#endif
 
 /* Encode and de-code a swap entry */
 #define __swp_type(entry)       (((entry).val >> PAGE_SHIFT) & 0xffUL)
diff --git a/arch/sparc/include/asm/pgtsrmmu.h b/arch/sparc/include/asm/pgtsrmmu.h
index 79da17866fa..f6ae2b2b687 100644
--- a/arch/sparc/include/asm/pgtsrmmu.h
+++ b/arch/sparc/include/asm/pgtsrmmu.h
@@ -139,7 +139,6 @@
          restore %g0, %g0, %g0;
 
 #ifndef __ASSEMBLY__
-extern unsigned long last_valid_pfn;
 
 /* This makes sense. Honest it does - Anton */
 /* XXX Yes but it's ugly as sin.  FIXME. -KMW */
@@ -149,13 +148,78 @@ extern void *srmmu_nocache_pool;
 #define __nocache_fix(VADDR) __va(__nocache_pa(VADDR))
 
 /* Accessing the MMU control register. */
-unsigned int srmmu_get_mmureg(void);
-void srmmu_set_mmureg(unsigned long regval);
-void srmmu_set_ctable_ptr(unsigned long paddr);
-void srmmu_set_context(int context);
-int srmmu_get_context(void);
-unsigned int srmmu_get_fstatus(void);
-unsigned int srmmu_get_faddr(void);
+static inline unsigned int srmmu_get_mmureg(void)
+{
+        unsigned int retval;
+        __asm__ __volatile__("lda [%%g0] %1, %0\n\t" :
+                             "=r" (retval) :
+                             "i" (ASI_M_MMUREGS));
+        return retval;
+}
+
+static inline void srmmu_set_mmureg(unsigned long regval)
+{
+        __asm__ __volatile__("sta %0, [%%g0] %1\n\t" : :
+                             "r" (regval), "i" (ASI_M_MMUREGS) : "memory");
+
+}
+
+static inline void srmmu_set_ctable_ptr(unsigned long paddr)
+{
+        paddr = ((paddr >> 4) & SRMMU_CTX_PMASK);
+        __asm__ __volatile__("sta %0, [%1] %2\n\t" : :
+                             "r" (paddr), "r" (SRMMU_CTXTBL_PTR),
+                             "i" (ASI_M_MMUREGS) :
+                             "memory");
+}
+
+static inline unsigned long srmmu_get_ctable_ptr(void)
+{
+        unsigned int retval;
+
+        __asm__ __volatile__("lda [%1] %2, %0\n\t" :
+                             "=r" (retval) :
+                             "r" (SRMMU_CTXTBL_PTR),
+                             "i" (ASI_M_MMUREGS));
+        return (retval & SRMMU_CTX_PMASK) << 4;
+}
+
+static inline void srmmu_set_context(int context)
+{
+        __asm__ __volatile__("sta %0, [%1] %2\n\t" : :
+                             "r" (context), "r" (SRMMU_CTX_REG),
+                             "i" (ASI_M_MMUREGS) : "memory");
+}
+
+static inline int srmmu_get_context(void)
+{
+        register int retval;
+        __asm__ __volatile__("lda [%1] %2, %0\n\t" :
+                             "=r" (retval) :
+                             "r" (SRMMU_CTX_REG),
+                             "i" (ASI_M_MMUREGS));
+        return retval;
+}
+
+static inline unsigned int srmmu_get_fstatus(void)
+{
+        unsigned int retval;
+
+        __asm__ __volatile__("lda [%1] %2, %0\n\t" :
+                             "=r" (retval) :
+                             "r" (SRMMU_FAULT_STATUS), "i" (ASI_M_MMUREGS));
+        return retval;
+}
+
+static inline unsigned int srmmu_get_faddr(void)
+{
+        unsigned int retval;
+
+        __asm__ __volatile__("lda [%1] %2, %0\n\t" :
+                             "=r" (retval) :
+                             "r" (SRMMU_FAULT_ADDR), "i" (ASI_M_MMUREGS));
+        return retval;
+}
 
 /* This is guaranteed on all SRMMU's. */
 static inline void srmmu_flush_whole_tlb(void)
@@ -166,6 +230,59 @@ static inline void srmmu_flush_whole_tlb(void)
 
 }
 
+/* These flush types are not available on all chips... */
+static inline void srmmu_flush_tlb_ctx(void)
+{
+        __asm__ __volatile__("sta %%g0, [%0] %1\n\t": :
+                             "r" (0x300),        /* Flush TLB ctx.. */
+                             "i" (ASI_M_FLUSH_PROBE) : "memory");
+
+}
+
+static inline void srmmu_flush_tlb_region(unsigned long addr)
+{
+        addr &= SRMMU_PGDIR_MASK;
+        __asm__ __volatile__("sta %%g0, [%0] %1\n\t": :
+                             "r" (addr | 0x200), /* Flush TLB region.. */
+                             "i" (ASI_M_FLUSH_PROBE) : "memory");
+
+}
+
+
+static inline void srmmu_flush_tlb_segment(unsigned long addr)
+{
+        addr &= SRMMU_REAL_PMD_MASK;
+        __asm__ __volatile__("sta %%g0, [%0] %1\n\t": :
+                             "r" (addr | 0x100), /* Flush TLB segment.. */
+                             "i" (ASI_M_FLUSH_PROBE) : "memory");
+
+}
+
+static inline void srmmu_flush_tlb_page(unsigned long page)
+{
+        page &= PAGE_MASK;
+        __asm__ __volatile__("sta %%g0, [%0] %1\n\t": :
+                             "r" (page),        /* Flush TLB page.. */
+                             "i" (ASI_M_FLUSH_PROBE) : "memory");
+
+}
+
+#ifndef CONFIG_SPARC_LEON
+static inline unsigned long srmmu_hwprobe(unsigned long vaddr)
+{
+        unsigned long retval;
+
+        vaddr &= PAGE_MASK;
+        __asm__ __volatile__("lda [%1] %2, %0\n\t" :
+                             "=r" (retval) :
+                             "r" (vaddr | 0x400), "i" (ASI_M_FLUSH_PROBE));
+
+        return retval;
+}
+#else
+#define srmmu_hwprobe(addr) srmmu_swprobe(addr, 0)
+#endif
+
 static inline int
 srmmu_get_pte (unsigned long addr)
 {
@@ -177,6 +294,9 @@ srmmu_get_pte (unsigned long addr)
         return entry;
 }
 
+extern unsigned long (*srmmu_read_physical)(unsigned long paddr);
+extern void (*srmmu_write_physical)(unsigned long paddr, unsigned long word);
+
 #endif /* !(__ASSEMBLY__) */
 
 #endif /* !(_SPARC_PGTSRMMU_H) */
diff --git a/arch/sparc/include/asm/processor.h b/arch/sparc/include/asm/processor.h
index 2fe99e66e76..9da9646bf6c 100644
--- a/arch/sparc/include/asm/processor.h
+++ b/arch/sparc/include/asm/processor.h
@@ -5,7 +5,4 @@
 #else
 #include <asm/processor_32.h>
 #endif
-
-#define nop()           __asm__ __volatile__ ("nop")
-
 #endif
diff --git a/arch/sparc/include/asm/processor_32.h b/arch/sparc/include/asm/processor_32.h
index c1e01914fd9..09521c6a5ed 100644
--- a/arch/sparc/include/asm/processor_32.h
+++ b/arch/sparc/include/asm/processor_32.h
@@ -16,6 +16,7 @@
 #include <asm/ptrace.h>
 #include <asm/head.h>
 #include <asm/signal.h>
+#include <asm/btfixup.h>
 #include <asm/page.h>
 
 /*
@@ -106,6 +107,10 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc,
 
 /* Free all resources held by a thread. */
 #define release_thread(tsk)             do { } while(0)
+extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
+
+/* Prepare to copy thread state - unlazy all lazy status */
+#define prepare_to_copy(tsk)    do { } while (0)
 
 extern unsigned long get_wchan(struct task_struct *);
 
diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h
index cce72ce4c33..59fcebb8f44 100644
--- a/arch/sparc/include/asm/processor_64.h
+++ b/arch/sparc/include/asm/processor_64.h
@@ -18,9 +18,6 @@
 #include <asm/ptrace.h>
 #include <asm/page.h>
 
-/* Don't hold the runqueue lock over context switch */
-#define __ARCH_WANT_UNLOCKED_CTXSW
-
 /* The sparc has no problems with write protection */
 #define wp_works_ok 1
 #define wp_works_ok__is_a_macro /* for versions in ksyms.c */
@@ -42,9 +39,7 @@
 #define TASK_SIZE_OF(tsk) \
         (test_tsk_thread_flag(tsk,TIF_32BIT) ? \
          (1UL << 32UL) : ((unsigned long)-VPTE_SIZE))
-#define TASK_SIZE \
-        (test_thread_flag(TIF_32BIT) ? \
-         (1UL << 32UL) : ((unsigned long)-VPTE_SIZE))
+#define TASK_SIZE       TASK_SIZE_OF(current)
 #ifdef __KERNEL__
 
 #define STACK_TOP32     ((1UL << 32UL) - PAGE_SIZE)
@@ -94,7 +89,6 @@ struct thread_struct {
 #ifndef __ASSEMBLY__
 
 #include <linux/types.h>
-#include <asm/fpumacro.h>
 
 /* Return saved PC of a blocked thread. */
 struct task_struct;
@@ -144,10 +138,6 @@ do { \
         : \
         : "r" (regs), "r" (sp - sizeof(struct reg_window) - STACK_BIAS), \
           "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \
-        fprs_write(0);  \
-        current_thread_info()->xfsr[0] = 0;     \
-        current_thread_info()->fpsaved[0] = 0;  \
-        regs->tstate &= ~TSTATE_PEF;    \
 } while (0)
 
 #define start_thread32(regs, pc, sp) \
@@ -188,37 +178,23 @@ do { \
         : \
         : "r" (regs), "r" (sp - sizeof(struct reg_window32)), \
           "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \
-        fprs_write(0);  \
-        current_thread_info()->xfsr[0] = 0;     \
-        current_thread_info()->fpsaved[0] = 0;  \
-        regs->tstate &= ~TSTATE_PEF;    \
 } while (0)
 
 /* Free all resources held by a thread. */
 #define release_thread(tsk)             do { } while (0)
 
+/* Prepare to copy thread state - unlazy all lazy status */
+#define prepare_to_copy(tsk)    do { } while (0)
+
+extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
+
 extern unsigned long get_wchan(struct task_struct *task);
 
 #define task_pt_regs(tsk) (task_thread_info(tsk)->kregs)
 #define KSTK_EIP(tsk)  (task_pt_regs(tsk)->tpc)
 #define KSTK_ESP(tsk)  (task_pt_regs(tsk)->u_regs[UREG_FP])
 
-/* Please see the commentary in asm/backoff.h for a description of
- * what these instructions are doing and how they have been choosen.
- * To make a long story short, we are trying to yield the current cpu
- * strand during busy loops.
- */
-#define cpu_relax()     asm volatile("\n99:\n\t"                        \
-                                     "rd        %%ccr, %%g0\n\t"        \
-                                     "rd        %%ccr, %%g0\n\t"        \
-                                     "rd        %%ccr, %%g0\n\t"        \
-                                     ".section  .pause_3insn_patch,\"ax\"\n\t"\
-                                     ".word     99b\n\t"                \
-                                     "wr        %%g0, 128, %%asr27\n\t" \
-                                     "nop\n\t"                          \
-                                     "nop\n\t"                          \
-                                     ".previous"                        \
-                                     ::: "memory")
+#define cpu_relax()     barrier()
 
 /* Prefetch support.  This is tuned for UltraSPARC-III and later.
  * UltraSPARC-I will treat these as nops, and UltraSPARC-II has
diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h
index 67c62578d17..edd3d3cde46 100644
--- a/arch/sparc/include/asm/prom.h
+++ b/arch/sparc/include/asm/prom.h
@@ -22,7 +22,6 @@
 #include <linux/proc_fs.h>
 #include <linux/mutex.h>
 #include <linux/atomic.h>
-#include <linux/irqdomain.h>
 
 #define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2
 #define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
@@ -56,6 +55,15 @@ struct resource;
 extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
 extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size);
 
+/* These routines are here to provide compatibility with how powerpc
+ * handles IRQ mapping for OF device nodes.  We precompute and permanently
+ * register them in the platform_device objects, whereas powerpc computes them
+ * on request.
+ */
+static inline void irq_dispose_mapping(unsigned int virq)
+{
+}
+
 extern struct device_node *of_console_device;
 extern char *of_console_path;
 extern char *of_console_options;
@@ -63,13 +71,5 @@ extern char *of_console_options;
 extern void irq_trans_init(struct device_node *dp);
 extern char *build_path_component(struct device_node *dp);
 
-/* SPARC has local implementations */
-extern int of_address_to_resource(struct device_node *dev, int index,
-                                  struct resource *r);
-#define of_address_to_resource of_address_to_resource
-
-void __iomem *of_iomap(struct device_node *node, int index);
-#define of_iomap of_iomap
-
 #endif /* __KERNEL__ */
 #endif /* _SPARC_PROM_H */
diff --git a/arch/sparc/include/asm/psr.h b/arch/sparc/include/asm/psr.h
index e71eb57945e..b8c0e5f0a66 100644
--- a/arch/sparc/include/asm/psr.h
+++ b/arch/sparc/include/asm/psr.h
@@ -7,11 +7,35 @@
  *
  * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu)
  */
+
 #ifndef __LINUX_SPARC_PSR_H
 #define __LINUX_SPARC_PSR_H
 
-#include <uapi/asm/psr.h>
+/* The Sparc PSR fields are laid out as the following:
+ *
+ *  ------------------------------------------------------------------------
+ *  | impl  | vers  | icc   | resv  | EC | EF | PIL  | S | PS | ET |  CWP  |
+ *  | 31-28 | 27-24 | 23-20 | 19-14 | 13 | 12 | 11-8 | 7 | 6  | 5  |  4-0  |
+ *  ------------------------------------------------------------------------
+ */
+#define PSR_CWP     0x0000001f         /* current window pointer     */
+#define PSR_ET      0x00000020         /* enable traps field         */
+#define PSR_PS      0x00000040         /* previous privilege level   */
+#define PSR_S       0x00000080         /* current privilege level    */
+#define PSR_PIL     0x00000f00         /* processor interrupt level  */
+#define PSR_EF      0x00001000         /* enable floating point      */
+#define PSR_EC      0x00002000         /* enable co-processor        */
+#define PSR_SYSCALL 0x00004000         /* inside of a syscall        */
+#define PSR_LE      0x00008000         /* SuperSparcII little-endian */
+#define PSR_ICC     0x00f00000         /* integer condition codes    */
+#define PSR_C       0x00100000         /* carry bit                  */
+#define PSR_V       0x00200000         /* overflow bit               */
+#define PSR_Z       0x00400000         /* zero bit                   */
+#define PSR_N       0x00800000         /* negative bit               */
+#define PSR_VERS    0x0f000000         /* cpu-version field          */
+#define PSR_IMPL    0xf0000000         /* cpu-implementation field   */
 
+#ifdef __KERNEL__
 
 #ifndef __ASSEMBLY__
 /* Get the %psr register. */
@@ -64,4 +88,6 @@ static inline unsigned int get_fsr(void)
 
 #endif /* !(__ASSEMBLY__) */
 
+#endif /* (__KERNEL__) */
+
 #endif /* !(__LINUX_SPARC_PSR_H) */
diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h
index bdfafd7af46..a0e1bcf843a 100644
--- a/arch/sparc/include/asm/ptrace.h
+++ b/arch/sparc/include/asm/ptrace.h
@@ -1,13 +1,169 @@
 #ifndef __SPARC_PTRACE_H
 #define __SPARC_PTRACE_H
 
-#include <uapi/asm/ptrace.h>
+#if defined(__sparc__) && defined(__arch64__)
+/* 64 bit sparc */
+#include <asm/pstate.h>
+
+/* This struct defines the way the registers are stored on the
+ * stack during a system call and basically all traps.
+ */
+
+/* This magic value must have the low 9 bits clear,
+ * as that is where we encode the %tt value, see below.
+ */
+#define PT_REGS_MAGIC 0x57ac6c00
+
+#ifndef __ASSEMBLY__
+
+#include <linux/types.h>
+
+struct pt_regs {
+        unsigned long u_regs[16]; /* globals and ins */
+        unsigned long tstate;
+        unsigned long tpc;
+        unsigned long tnpc;
+        unsigned int y;
+
+        /* We encode a magic number, PT_REGS_MAGIC, along
+         * with the %tt (trap type) register value at trap
+         * entry time.  The magic number allows us to identify
+         * accurately a trap stack frame in the stack
+         * unwinder, and the %tt value allows us to test
+         * things like "in a system call" etc. for an arbitray
+         * process.
+         *
+         * The PT_REGS_MAGIC is chosen such that it can be
+         * loaded completely using just a sethi instruction.
+         */
+        unsigned int magic;
+};
+
+struct pt_regs32 {
+        unsigned int psr;
+        unsigned int pc;
+        unsigned int npc;
+        unsigned int y;
+        unsigned int u_regs[16]; /* globals and ins */
+};
+
+/* A V9 register window */
+struct reg_window {
+        unsigned long locals[8];
+        unsigned long ins[8];
+};
+
+/* A 32-bit register window. */
+struct reg_window32 {
+        unsigned int locals[8];
+        unsigned int ins[8];
+};
+
+/* A V9 Sparc stack frame */
+struct sparc_stackf {
+        unsigned long locals[8];
+        unsigned long ins[6];
+        struct sparc_stackf *fp;
+        unsigned long callers_pc;
+        char *structptr;
+        unsigned long xargs[6];
+        unsigned long xxargs[1];
+};
+
+/* A 32-bit Sparc stack frame */
+struct sparc_stackf32 {
+        unsigned int locals[8];
+        unsigned int ins[6];
+        unsigned int fp;
+        unsigned int callers_pc;
+        unsigned int structptr;
+        unsigned int xargs[6];
+        unsigned int xxargs[1];
+};
+
+struct sparc_trapf {
+        unsigned long locals[8];
+        unsigned long ins[8];
+        unsigned long _unused;
+        struct pt_regs *regs;
+};
+#endif /* (!__ASSEMBLY__) */
+#else
+/* 32 bit sparc */
+
+#include <asm/psr.h>
+
+/* This struct defines the way the registers are stored on the
+ * stack during a system call and basically all traps.
+ */
+#ifndef __ASSEMBLY__
+
+struct pt_regs {
+        unsigned long psr;
+        unsigned long pc;
+        unsigned long npc;
+        unsigned long y;
+        unsigned long u_regs[16]; /* globals and ins */
+};
+
+/* A 32-bit register window. */
+struct reg_window32 {
+        unsigned long locals[8];
+        unsigned long ins[8];
+};
+
+/* A Sparc stack frame */
+struct sparc_stackf {
+        unsigned long locals[8];
+        unsigned long ins[6];
+        struct sparc_stackf *fp;
+        unsigned long callers_pc;
+        char *structptr;
+        unsigned long xargs[6];
+        unsigned long xxargs[1];
+};
+#endif /* (!__ASSEMBLY__) */
+
+#endif /* (defined(__sparc__) && defined(__arch64__))*/
+
+#ifndef __ASSEMBLY__
+
+#define TRACEREG_SZ     sizeof(struct pt_regs)
+#define STACKFRAME_SZ   sizeof(struct sparc_stackf)
+
+#define TRACEREG32_SZ   sizeof(struct pt_regs32)
+#define STACKFRAME32_SZ sizeof(struct sparc_stackf32)
+
+#endif /* (!__ASSEMBLY__) */
+
+#define UREG_G0        0
+#define UREG_G1        1
+#define UREG_G2        2
+#define UREG_G3        3
+#define UREG_G4        4
+#define UREG_G5        5
+#define UREG_G6        6
+#define UREG_G7        7
+#define UREG_I0        8
+#define UREG_I1        9
+#define UREG_I2        10
+#define UREG_I3        11
+#define UREG_I4        12
+#define UREG_I5        13
+#define UREG_I6        14
+#define UREG_I7        15
+#define UREG_FP        UREG_I6
+#define UREG_RETPC     UREG_I7
 
 #if defined(__sparc__) && defined(__arch64__)
+/* 64 bit sparc */
+
 #ifndef __ASSEMBLY__
 
+#ifdef __KERNEL__
+
 #include <linux/threads.h>
-#include <asm/switch_to.h>
+#include <asm/system.h>
 
 static inline int pt_regs_trap_type(struct pt_regs *regs)
 {
@@ -32,9 +188,6 @@ static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
 #define arch_ptrace_stop(exit_code, info) \
         synchronize_user_stack()
 
-#define current_pt_regs() \
-        ((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE) - 1)
-
 struct global_reg_snapshot {
         unsigned long           tstate;
         unsigned long           tpc;
@@ -45,43 +198,41 @@ struct global_reg_snapshot {
         struct thread_info      *thread;
         unsigned long           pad1;
 };
+extern struct global_reg_snapshot global_reg_snapshot[NR_CPUS];
 
-struct global_pmu_snapshot {
-        unsigned long           pcr[4];
-        unsigned long           pic[4];
-};
-
-union global_cpu_snapshot {
-        struct global_reg_snapshot      reg;
-        struct global_pmu_snapshot      pmu;
-};
-
-extern union global_cpu_snapshot global_cpu_snapshot[NR_CPUS];
-
-#define force_successful_syscall_return() set_thread_noerror(1)
+#define force_successful_syscall_return()           \
+do {    current_thread_info()->syscall_noerror = 1; \
+} while (0)
 #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
 #define instruction_pointer(regs) ((regs)->tpc)
 #define instruction_pointer_set(regs, val) ((regs)->tpc = (val))
 #define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
-static inline int is_syscall_success(struct pt_regs *regs)
-{
-        return !(regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY));
-}
-
-static inline long regs_return_value(struct pt_regs *regs)
-{
-        return regs->u_regs[UREG_I0];
-}
+#define regs_return_value(regs) ((regs)->u_regs[UREG_I0])
 #ifdef CONFIG_SMP
 extern unsigned long profile_pc(struct pt_regs *);
 #else
 #define profile_pc(regs) instruction_pointer(regs)
 #endif
+#endif /* (__KERNEL__) */
+
 #else /* __ASSEMBLY__ */
+/* For assembly code. */
+#define TRACEREG_SZ             0xa0
+#define STACKFRAME_SZ           0xc0
+
+#define TRACEREG32_SZ           0x50
+#define STACKFRAME32_SZ         0x60
 #endif /* __ASSEMBLY__ */
+
 #else /* (defined(__sparc__) && defined(__arch64__)) */
+
+/* 32 bit sparc */
+
 #ifndef __ASSEMBLY__
-#include <asm/switch_to.h>
+
+#ifdef __KERNEL__
+
+#include <asm/system.h>
 
 static inline bool pt_regs_is_syscall(struct pt_regs *regs)
 {
@@ -101,17 +252,162 @@ static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
 #define arch_ptrace_stop(exit_code, info) \
         synchronize_user_stack()
 
-#define current_pt_regs() \
-        ((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE) - 1)
-
 #define user_mode(regs) (!((regs)->psr & PSR_PS))
 #define instruction_pointer(regs) ((regs)->pc)
 #define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
 unsigned long profile_pc(struct pt_regs *);
+#endif /* (__KERNEL__) */
+
 #else /* (!__ASSEMBLY__) */
+/* For assembly code. */
+#define TRACEREG_SZ       0x50
+#define STACKFRAME_SZ     0x60
 #endif /* (!__ASSEMBLY__) */
+
 #endif /* (defined(__sparc__) && defined(__arch64__)) */
+
+#ifdef __KERNEL__
 #define STACK_BIAS              2047
+#endif
+
+/* These are for pt_regs. */
+#define PT_V9_G0     0x00
+#define PT_V9_G1     0x08
+#define PT_V9_G2     0x10
+#define PT_V9_G3     0x18
+#define PT_V9_G4     0x20
+#define PT_V9_G5     0x28
+#define PT_V9_G6     0x30
+#define PT_V9_G7     0x38
+#define PT_V9_I0     0x40
+#define PT_V9_I1     0x48
+#define PT_V9_I2     0x50
+#define PT_V9_I3     0x58
+#define PT_V9_I4     0x60
+#define PT_V9_I5     0x68
+#define PT_V9_I6     0x70
+#define PT_V9_FP     PT_V9_I6
+#define PT_V9_I7     0x78
+#define PT_V9_TSTATE 0x80
+#define PT_V9_TPC    0x88
+#define PT_V9_TNPC   0x90
+#define PT_V9_Y      0x98
+#define PT_V9_MAGIC  0x9c
+#define PT_TSTATE       PT_V9_TSTATE
+#define PT_TPC          PT_V9_TPC
+#define PT_TNPC         PT_V9_TNPC
+
+/* These for pt_regs32. */
+#define PT_PSR    0x0
+#define PT_PC     0x4
+#define PT_NPC    0x8
+#define PT_Y      0xc
+#define PT_G0     0x10
+#define PT_WIM    PT_G0
+#define PT_G1     0x14
+#define PT_G2     0x18
+#define PT_G3     0x1c
+#define PT_G4     0x20
+#define PT_G5     0x24
+#define PT_G6     0x28
+#define PT_G7     0x2c
+#define PT_I0     0x30
+#define PT_I1     0x34
+#define PT_I2     0x38
+#define PT_I3     0x3c
+#define PT_I4     0x40
+#define PT_I5     0x44
+#define PT_I6     0x48
+#define PT_FP     PT_I6
+#define PT_I7     0x4c
+
+/* Reg_window offsets */
+#define RW_V9_L0     0x00
+#define RW_V9_L1     0x08
+#define RW_V9_L2     0x10
+#define RW_V9_L3     0x18
+#define RW_V9_L4     0x20
+#define RW_V9_L5     0x28
+#define RW_V9_L6     0x30
+#define RW_V9_L7     0x38
+#define RW_V9_I0     0x40
+#define RW_V9_I1     0x48
+#define RW_V9_I2     0x50
+#define RW_V9_I3     0x58
+#define RW_V9_I4     0x60
+#define RW_V9_I5     0x68
+#define RW_V9_I6     0x70
+#define RW_V9_I7     0x78
+
+#define RW_L0     0x00
+#define RW_L1     0x04
+#define RW_L2     0x08
+#define RW_L3     0x0c
+#define RW_L4     0x10
+#define RW_L5     0x14
+#define RW_L6     0x18
+#define RW_L7     0x1c
+#define RW_I0     0x20
+#define RW_I1     0x24
+#define RW_I2     0x28
+#define RW_I3     0x2c
+#define RW_I4     0x30
+#define RW_I5     0x34
+#define RW_I6     0x38
+#define RW_I7     0x3c
+
+/* Stack_frame offsets */
+#define SF_V9_L0     0x00
+#define SF_V9_L1     0x08
+#define SF_V9_L2     0x10
+#define SF_V9_L3     0x18
+#define SF_V9_L4     0x20
+#define SF_V9_L5     0x28
+#define SF_V9_L6     0x30
+#define SF_V9_L7     0x38
+#define SF_V9_I0     0x40
+#define SF_V9_I1     0x48
+#define SF_V9_I2     0x50
+#define SF_V9_I3     0x58
+#define SF_V9_I4     0x60
+#define SF_V9_I5     0x68
+#define SF_V9_FP     0x70
+#define SF_V9_PC     0x78
+#define SF_V9_RETP   0x80
+#define SF_V9_XARG0  0x88
+#define SF_V9_XARG1  0x90
+#define SF_V9_XARG2  0x98
+#define SF_V9_XARG3  0xa0
+#define SF_V9_XARG4  0xa8
+#define SF_V9_XARG5  0xb0
+#define SF_V9_XXARG  0xb8
+
+#define SF_L0     0x00
+#define SF_L1     0x04
+#define SF_L2     0x08
+#define SF_L3     0x0c
+#define SF_L4     0x10
+#define SF_L5     0x14
+#define SF_L6     0x18
+#define SF_L7     0x1c
+#define SF_I0     0x20
+#define SF_I1     0x24
+#define SF_I2     0x28
+#define SF_I3     0x2c
+#define SF_I4     0x30
+#define SF_I5     0x34
+#define SF_FP     0x38
+#define SF_PC     0x3c
+#define SF_RETP   0x40
+#define SF_XARG0  0x44
+#define SF_XARG1  0x48
+#define SF_XARG2  0x4c
+#define SF_XARG3  0x50
+#define SF_XARG4  0x54
+#define SF_XARG5  0x58
+#define SF_XXARG  0x5c
+
+#ifdef __KERNEL__
 
 /* global_reg_snapshot offsets */
 #define GR_SNAP_TSTATE  0x00
@@ -123,4 +419,29 @@ unsigned long profile_pc(struct pt_regs *);
 #define GR_SNAP_THREAD  0x30
 #define GR_SNAP_PAD1    0x38
 
+#endif  /*  __KERNEL__  */
+
+/* Stuff for the ptrace system call */
+#define PTRACE_SPARC_DETACH       11
+#define PTRACE_GETREGS            12
+#define PTRACE_SETREGS            13
+#define PTRACE_GETFPREGS          14
+#define PTRACE_SETFPREGS          15
+#define PTRACE_READDATA           16
+#define PTRACE_WRITEDATA          17
+#define PTRACE_READTEXT           18
+#define PTRACE_WRITETEXT          19
+#define PTRACE_GETFPAREGS         20
+#define PTRACE_SETFPAREGS         21
+
+/* There are for debugging 64-bit processes, either from a 32 or 64 bit
+ * parent.  Thus their complements are for debugging 32-bit processes only.
+ */
+
+#define PTRACE_GETREGS64          22
+#define PTRACE_SETREGS64          23
+/* PTRACE_SYSCALL is 24 */
+#define PTRACE_GETFPREGS64        25
+#define PTRACE_SETFPREGS64        26
+
 #endif /* !(__SPARC_PTRACE_H) */
diff --git a/arch/sparc/include/asm/sections.h b/arch/sparc/include/asm/sections.h
index f300d1a9b2b..0b0553bbd8a 100644
--- a/arch/sparc/include/asm/sections.h
+++ b/arch/sparc/include/asm/sections.h
@@ -7,7 +7,4 @@
 /* sparc entry point */
 extern char _start[];
 
-extern char __leon_1insn_patch[];
-extern char __leon_1insn_patch_end[];
-
 #endif
diff --git a/arch/sparc/include/asm/setup.h b/arch/sparc/include/asm/setup.h
index 5e35e051731..64718ba2643 100644
--- a/arch/sparc/include/asm/setup.h
+++ b/arch/sparc/include/asm/setup.h
@@ -1,31 +1,26 @@
 /*
  *      Just a place holder. 
  */
+
 #ifndef _SPARC_SETUP_H
 #define _SPARC_SETUP_H
 
-#include <uapi/asm/setup.h>
-
+#if defined(__sparc__) && defined(__arch64__)
+# define COMMAND_LINE_SIZE 2048
+#else
+# define COMMAND_LINE_SIZE 256
+#endif
 
-extern char reboot_command[];
+#ifdef __KERNEL__
 
 #ifdef CONFIG_SPARC32
 /* The CPU that was used for booting
  * Only sun4d + leon may have boot_cpu_id != 0
  */
 extern unsigned char boot_cpu_id;
-
-extern unsigned long empty_zero_page;
-
-extern int serial_console;
-static inline int con_is_present(void)
-{
-        return serial_console ? 0 : 1;
-}
+extern unsigned char boot_cpu_id4;
 #endif
 
-extern void sun_do_break(void);
-extern int stop_a_enabled;
-extern int scons_pwroff;
+#endif /* __KERNEL__ */
 
 #endif /* _SPARC_SETUP_H */
diff --git a/arch/sparc/include/asm/shmparam_32.h b/arch/sparc/include/asm/shmparam_32.h
index 142825c8d3a..59a1243c12f 100644
--- a/arch/sparc/include/asm/shmparam_32.h
+++ b/arch/sparc/include/asm/shmparam_32.h
@@ -4,6 +4,8 @@
 #define __ARCH_FORCE_SHMLBA     1
 
 extern int vac_cache_size;
-#define SHMLBA (vac_cache_size ? vac_cache_size : PAGE_SIZE)
+#define SHMLBA (vac_cache_size ? vac_cache_size : \
+                (sparc_cpu_model == sun4c ? (64 * 1024) : \
+                 (sparc_cpu_model == sun4 ? (128 * 1024) : PAGE_SIZE)))
 
 #endif /* _ASMSPARC_SHMPARAM_H */
diff --git a/arch/sparc/include/asm/sigcontext.h b/arch/sparc/include/asm/sigcontext.h
index fc2df1e892c..69914d74813 100644
--- a/arch/sparc/include/asm/sigcontext.h
+++ b/arch/sparc/include/asm/sigcontext.h
@@ -1,8 +1,8 @@
 #ifndef __SPARC_SIGCONTEXT_H
 #define __SPARC_SIGCONTEXT_H
 
+#ifdef __KERNEL__
 #include <asm/ptrace.h>
-#include <uapi/asm/sigcontext.h>
 
 #ifndef __ASSEMBLY__
 
@@ -105,4 +105,6 @@ typedef struct {
 
 #endif /* !(__ASSEMBLY__) */
 
+#endif /* (__KERNEL__) */
+
 #endif /* !(__SPARC_SIGCONTEXT_H) */
diff --git a/arch/sparc/include/asm/siginfo.h b/arch/sparc/include/asm/siginfo.h
index 48c34c19f81..988e5d8ed11 100644
--- a/arch/sparc/include/asm/siginfo.h
+++ b/arch/sparc/include/asm/siginfo.h
@@ -1,8 +1,22 @@
 #ifndef __SPARC_SIGINFO_H
 #define __SPARC_SIGINFO_H
 
-#include <uapi/asm/siginfo.h>
+#if defined(__sparc__) && defined(__arch64__)
 
+#define SI_PAD_SIZE32   ((SI_MAX_SIZE/sizeof(int)) - 3)
+#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
+#define __ARCH_SI_BAND_T int
+
+#endif /* defined(__sparc__) && defined(__arch64__) */
+
+
+#define __ARCH_SI_TRAPNO
+
+#include <asm-generic/siginfo.h>
+
+#ifdef __KERNEL__
+
+#include <linux/compat.h>
 
 #ifdef CONFIG_COMPAT
 
@@ -10,4 +24,14 @@ struct compat_siginfo;
 
 #endif /* CONFIG_COMPAT */
 
+#endif /* __KERNEL__ */
+
+#define SI_NOINFO       32767           /* no information in siginfo_t */
+
+/*
+ * SIGEMT si_codes
+ */
+#define EMT_TAGOVF      (__SI_FAULT|1)  /* tag overflow */
+#define NSIGEMT         1
+
 #endif /* !(__SPARC_SIGINFO_H) */
diff --git a/arch/sparc/include/asm/signal.h b/arch/sparc/include/asm/signal.h
index 77b85850d54..e49b828a247 100644
--- a/arch/sparc/include/asm/signal.h
+++ b/arch/sparc/include/asm/signal.h
@@ -1,13 +1,167 @@
 #ifndef __SPARC_SIGNAL_H
 #define __SPARC_SIGNAL_H
 
+#include <asm/sigcontext.h>
+#include <linux/compiler.h>
+
+#ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 #include <linux/personality.h>
 #include <linux/types.h>
 #endif
-#include <uapi/asm/signal.h>
+#endif
+
+/* On the Sparc the signal handlers get passed a 'sub-signal' code
+ * for certain signal types, which we document here.
+ */
+#define SIGHUP           1
+#define SIGINT           2
+#define SIGQUIT          3
+#define SIGILL           4
+#define    SUBSIG_STACK       0
+#define    SUBSIG_ILLINST     2
+#define    SUBSIG_PRIVINST    3
+#define    SUBSIG_BADTRAP(t)  (0x80 + (t))
+
+#define SIGTRAP          5
+#define SIGABRT          6
+#define SIGIOT           6
+
+#define SIGEMT           7
+#define    SUBSIG_TAG    10
+
+#define SIGFPE           8
+#define    SUBSIG_FPDISABLED     0x400
+#define    SUBSIG_FPERROR        0x404
+#define    SUBSIG_FPINTOVFL      0x001
+#define    SUBSIG_FPSTSIG        0x002
+#define    SUBSIG_IDIVZERO       0x014
+#define    SUBSIG_FPINEXACT      0x0c4
+#define    SUBSIG_FPDIVZERO      0x0c8
+#define    SUBSIG_FPUNFLOW       0x0cc
+#define    SUBSIG_FPOPERROR      0x0d0
+#define    SUBSIG_FPOVFLOW       0x0d4
+
+#define SIGKILL          9
+#define SIGBUS          10
+#define    SUBSIG_BUSTIMEOUT    1
+#define    SUBSIG_ALIGNMENT     2
+#define    SUBSIG_MISCERROR     5
+
+#define SIGSEGV         11
+#define    SUBSIG_NOMAPPING     3
+#define    SUBSIG_PROTECTION    4
+#define    SUBSIG_SEGERROR      5
+
+#define SIGSYS          12
+
+#define SIGPIPE         13
+#define SIGALRM         14
+#define SIGTERM         15
+#define SIGURG          16
+
+/* SunOS values which deviate from the Linux/i386 ones */
+#define SIGSTOP         17
+#define SIGTSTP         18
+#define SIGCONT         19
+#define SIGCHLD         20
+#define SIGTTIN         21
+#define SIGTTOU         22
+#define SIGIO           23
+#define SIGPOLL         SIGIO   /* SysV name for SIGIO */
+#define SIGXCPU         24
+#define SIGXFSZ         25
+#define SIGVTALRM       26
+#define SIGPROF         27
+#define SIGWINCH        28
+#define SIGLOST         29
+#define SIGPWR          SIGLOST
+#define SIGUSR1         30
+#define SIGUSR2         31
+
+/* Most things should be clean enough to redefine this at will, if care
+   is taken to make libc match.  */
+
+#define __OLD_NSIG      32
+#define __NEW_NSIG      64
+#ifdef __arch64__
+#define _NSIG_BPW       64
+#else
+#define _NSIG_BPW       32
+#endif
+#define _NSIG_WORDS     (__NEW_NSIG / _NSIG_BPW)
+
+#define SIGRTMIN       32
+#define SIGRTMAX       __NEW_NSIG
+
+#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__)
+#define _NSIG                   __NEW_NSIG
+#define __new_sigset_t          sigset_t
+#define __new_sigaction         sigaction
+#define __new_sigaction32       sigaction32
+#define __old_sigset_t          old_sigset_t
+#define __old_sigaction         old_sigaction
+#define __old_sigaction32       old_sigaction32
+#else
+#define _NSIG                   __OLD_NSIG
+#define NSIG                    _NSIG
+#define __old_sigset_t          sigset_t
+#define __old_sigaction         sigaction
+#define __old_sigaction32       sigaction32
+#endif
 
 #ifndef __ASSEMBLY__
+
+typedef unsigned long __old_sigset_t;            /* at least 32 bits */
+
+typedef struct {
+       unsigned long sig[_NSIG_WORDS];
+} __new_sigset_t;
+
+/* A SunOS sigstack */
+struct sigstack {
+        /* XXX 32-bit pointers pinhead XXX */
+        char *the_stack;
+        int   cur_status;
+};
+
+/* Sigvec flags */
+#define _SV_SSTACK    1u    /* This signal handler should use sig-stack */
+#define _SV_INTR      2u    /* Sig return should not restart system call */
+#define _SV_RESET     4u    /* Set handler to SIG_DFL upon taken signal */
+#define _SV_IGNCHILD  8u    /* Do not send SIGCHLD */
+
+/*
+ * sa_flags values: SA_STACK is not currently supported, but will allow the
+ * usage of signal stacks by using the (now obsolete) sa_restorer field in
+ * the sigaction structure as a stack pointer. This is now possible due to
+ * the changes in signal handling. LBT 010493.
+ * SA_RESTART flag to get restarting signals (which were the default long ago)
+ */
+#define SA_NOCLDSTOP    _SV_IGNCHILD
+#define SA_STACK        _SV_SSTACK
+#define SA_ONSTACK      _SV_SSTACK
+#define SA_RESTART      _SV_INTR
+#define SA_ONESHOT      _SV_RESET
+#define SA_NOMASK       0x20u
+#define SA_NOCLDWAIT    0x100u
+#define SA_SIGINFO      0x200u
+
+
+#define SIG_BLOCK          0x01 /* for blocking signals */
+#define SIG_UNBLOCK        0x02 /* for unblocking signals */
+#define SIG_SETMASK        0x04 /* for setting the signal mask */
+
+/*
+ * sigaltstack controls
+ */
+#define SS_ONSTACK      1
+#define SS_DISABLE      2
+
+#define MINSIGSTKSZ     4096
+#define SIGSTKSZ        16384
+
+#ifdef __KERNEL__
 /*
  * DJHR
  * SA_STATIC_ALLOC is used for the sparc32 system to indicate that this
@@ -20,11 +174,41 @@
  *
  */
 #define SA_STATIC_ALLOC         0x8000
+#endif
+
+#include <asm-generic/signal-defs.h>
+
+struct __new_sigaction {
+        __sighandler_t          sa_handler;
+        unsigned long           sa_flags;
+        __sigrestore_t          sa_restorer;  /* not used by Linux/SPARC yet */
+        __new_sigset_t          sa_mask;
+};
+
+struct __old_sigaction {
+        __sighandler_t          sa_handler;
+        __old_sigset_t          sa_mask;
+        unsigned long           sa_flags;
+        void                    (*sa_restorer)(void);  /* not used by Linux/SPARC yet */
+};
+
+typedef struct sigaltstack {
+        void                    __user *ss_sp;
+        int                     ss_flags;
+        size_t                  ss_size;
+} stack_t;
+
+#ifdef __KERNEL__
 
 struct k_sigaction {
         struct                  __new_sigaction sa;
         void                    __user *ka_restorer;
 };
 
+#define ptrace_signal_deliver(regs, cookie) do { } while (0)
+
+#endif /* !(__KERNEL__) */
+
 #endif /* !(__ASSEMBLY__) */
+
 #endif /* !(__SPARC_SIGNAL_H) */
diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h
index b73da3c5f10..01c51c70434 100644
--- a/arch/sparc/include/asm/smp_32.h
+++ b/arch/sparc/include/asm/smp_32.h
@@ -8,6 +8,7 @@
 
 #include <linux/threads.h>
 #include <asm/head.h>
+#include <asm/btfixup.h>
 
 #ifndef __ASSEMBLY__
 
@@ -57,53 +58,104 @@ struct seq_file;
 void smp_bogo(struct seq_file *);
 void smp_info(struct seq_file *);
 
-struct sparc32_ipi_ops {
-        void (*cross_call)(smpfunc_t func, cpumask_t mask, unsigned long arg1,
-                           unsigned long arg2, unsigned long arg3,
-                           unsigned long arg4);
-        void (*resched)(int cpu);
-        void (*single)(int cpu);
-        void (*mask_one)(int cpu);
-};
-extern const struct sparc32_ipi_ops *sparc32_ipi_ops;
-
-static inline void xc0(smpfunc_t func)
-{
-        sparc32_ipi_ops->cross_call(func, *cpu_online_mask, 0, 0, 0, 0);
-}
+BTFIXUPDEF_CALL(void, smp_cross_call, smpfunc_t, cpumask_t, unsigned long, unsigned long, unsigned long, unsigned long)
+BTFIXUPDEF_CALL(int, __hard_smp_processor_id, void)
+BTFIXUPDEF_CALL(void, smp_ipi_resched, int);
+BTFIXUPDEF_CALL(void, smp_ipi_single, int);
+BTFIXUPDEF_CALL(void, smp_ipi_mask_one, int);
+BTFIXUPDEF_BLACKBOX(hard_smp_processor_id)
+BTFIXUPDEF_BLACKBOX(load_current)
 
+#define smp_cross_call(func,mask,arg1,arg2,arg3,arg4) BTFIXUP_CALL(smp_cross_call)(func,mask,arg1,arg2,arg3,arg4)
+
+static inline void xc0(smpfunc_t func) { smp_cross_call(func, *cpu_online_mask, 0, 0, 0, 0); }
 static inline void xc1(smpfunc_t func, unsigned long arg1)
-{
-        sparc32_ipi_ops->cross_call(func, *cpu_online_mask, arg1, 0, 0, 0);
-}
+{ smp_cross_call(func, *cpu_online_mask, arg1, 0, 0, 0); }
 static inline void xc2(smpfunc_t func, unsigned long arg1, unsigned long arg2)
+{ smp_cross_call(func, *cpu_online_mask, arg1, arg2, 0, 0); }
+static inline void xc3(smpfunc_t func, unsigned long arg1, unsigned long arg2,
+                           unsigned long arg3)
+{ smp_cross_call(func, *cpu_online_mask, arg1, arg2, arg3, 0); }
+static inline void xc4(smpfunc_t func, unsigned long arg1, unsigned long arg2,
+                           unsigned long arg3, unsigned long arg4)
+{ smp_cross_call(func, *cpu_online_mask, arg1, arg2, arg3, arg4); }
+
+extern void arch_send_call_function_single_ipi(int cpu);
+extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+
+static inline int cpu_logical_map(int cpu)
 {
-        sparc32_ipi_ops->cross_call(func, *cpu_online_mask, arg1, arg2, 0, 0);
+        return cpu;
 }
 
-static inline void xc3(smpfunc_t func, unsigned long arg1, unsigned long arg2,
-                       unsigned long arg3)
+static inline int hard_smp4m_processor_id(void)
 {
-        sparc32_ipi_ops->cross_call(func, *cpu_online_mask,
-                                    arg1, arg2, arg3, 0);
+        int cpuid;
+
+        __asm__ __volatile__("rd %%tbr, %0\n\t"
+                             "srl %0, 12, %0\n\t"
+                             "and %0, 3, %0\n\t" :
+                             "=&r" (cpuid));
+        return cpuid;
 }
 
-static inline void xc4(smpfunc_t func, unsigned long arg1, unsigned long arg2,
-                       unsigned long arg3, unsigned long arg4)
+static inline int hard_smp4d_processor_id(void)
 {
-        sparc32_ipi_ops->cross_call(func, *cpu_online_mask,
-                                    arg1, arg2, arg3, arg4);
+        int cpuid;
+
+        __asm__ __volatile__("lda [%%g0] %1, %0\n\t" :
+                             "=&r" (cpuid) : "i" (ASI_M_VIKING_TMP1));
+        return cpuid;
 }
 
-extern void arch_send_call_function_single_ipi(int cpu);
-extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+extern inline int hard_smpleon_processor_id(void)
+{
+        int cpuid;
+        __asm__ __volatile__("rd     %%asr17,%0\n\t"
+                             "srl    %0,28,%0" :
+                             "=&r" (cpuid) : );
+        return cpuid;
+}
 
-static inline int cpu_logical_map(int cpu)
+#ifndef MODULE
+static inline int hard_smp_processor_id(void)
 {
-        return cpu;
+        int cpuid;
+
+        /* Black box - sun4m
+                __asm__ __volatile__("rd %%tbr, %0\n\t"
+                                     "srl %0, 12, %0\n\t"
+                                     "and %0, 3, %0\n\t" :
+                                     "=&r" (cpuid));
+                     - sun4d
+                __asm__ __volatile__("lda [%g0] ASI_M_VIKING_TMP1, %0\n\t"
+                                     "nop; nop" :
+                                     "=&r" (cpuid));
+                     - leon
+                __asm__ __volatile__(   "rd %asr17, %0\n\t"
+                                        "srl %0, 0x1c, %0\n\t"
+                                        "nop\n\t" :
+                                        "=&r" (cpuid));
+           See btfixup.h and btfixupprep.c to understand how a blackbox works.
+         */
+        __asm__ __volatile__("sethi %%hi(___b_hard_smp_processor_id), %0\n\t"
+                             "sethi %%hi(boot_cpu_id), %0\n\t"
+                             "ldub [%0 + %%lo(boot_cpu_id)], %0\n\t" :
+                             "=&r" (cpuid));
+        return cpuid;
 }
+#else
+static inline int hard_smp_processor_id(void)
+{
+        int cpuid;
 
-extern int hard_smp_processor_id(void);
+        __asm__ __volatile__("mov %%o7, %%g1\n\t"
+                             "call ___f___hard_smp_processor_id\n\t"
+                             " nop\n\t"
+                             "mov %%g2, %0\n\t" : "=r"(cpuid) : : "g1", "g2");
+        return cpuid;
+}
+#endif
 
 #define raw_smp_processor_id()          (current_thread_info()->cpu)
 
diff --git a/arch/sparc/include/asm/smp_64.h b/arch/sparc/include/asm/smp_64.h
index dd3bef4b989..29862a9e906 100644
--- a/arch/sparc/include/asm/smp_64.h
+++ b/arch/sparc/include/asm/smp_64.h
@@ -48,7 +48,6 @@ extern void smp_fill_in_sib_core_maps(void);
 extern void cpu_play_dead(void);
 
 extern void smp_fetch_global_regs(void);
-extern void smp_fetch_global_pmu(void);
 
 struct seq_file;
 void smp_bogo(struct seq_file *);
@@ -66,7 +65,6 @@ extern void __cpu_die(unsigned int cpu);
 #define hard_smp_processor_id()         0
 #define smp_fill_in_sib_core_maps() do { } while (0)
 #define smp_fetch_global_regs() do { } while (0)
-#define smp_fetch_global_pmu() do { } while (0)
 
 #endif /* !(CONFIG_SMP) */
 
diff --git a/arch/sparc/include/asm/string_32.h b/arch/sparc/include/asm/string_32.h
index 12f67857152..edf196ee4ef 100644
--- a/arch/sparc/include/asm/string_32.h
+++ b/arch/sparc/include/asm/string_32.h
@@ -61,7 +61,68 @@ extern int memcmp(const void *,const void *,__kernel_size_t);
 extern __kernel_size_t strlen(const char *);
 
 #define __HAVE_ARCH_STRNCMP
-extern int strncmp(const char *, const char *, __kernel_size_t);
+
+extern int __strncmp(const char *, const char *, __kernel_size_t);
+
+static inline int __constant_strncmp(const char *src, const char *dest, __kernel_size_t count)
+{
+        register int retval;
+        switch(count) {
+        case 0: return 0;
+        case 1: return (src[0] - dest[0]);
+        case 2: retval = (src[0] - dest[0]);
+                if(!retval && src[0])
+                  retval = (src[1] - dest[1]);
+                return retval;
+        case 3: retval = (src[0] - dest[0]);
+                if(!retval && src[0]) {
+                  retval = (src[1] - dest[1]);
+                  if(!retval && src[1])
+                    retval = (src[2] - dest[2]);
+                }
+                return retval;
+        case 4: retval = (src[0] - dest[0]);
+                if(!retval && src[0]) {
+                  retval = (src[1] - dest[1]);
+                  if(!retval && src[1]) {
+                    retval = (src[2] - dest[2]);
+                    if (!retval && src[2])
+                      retval = (src[3] - dest[3]);
+                  }
+                }
+                return retval;
+        case 5: retval = (src[0] - dest[0]);
+                if(!retval && src[0]) {
+                  retval = (src[1] - dest[1]);
+                  if(!retval && src[1]) {
+                    retval = (src[2] - dest[2]);
+                    if (!retval && src[2]) {
+                      retval = (src[3] - dest[3]);
+                      if (!retval && src[3])
+                        retval = (src[4] - dest[4]);
+                    }
+                  }
+                }
+                return retval;
+        default:
+                retval = (src[0] - dest[0]);
+                if(!retval && src[0]) {
+                  retval = (src[1] - dest[1]);
+                  if(!retval && src[1]) {
+                    retval = (src[2] - dest[2]);
+                    if(!retval && src[2])
+                      retval = __strncmp(src+3,dest+3,count-3);
+                  }
+                }
+                return retval;
+        }
+}
+
+#undef strncmp
+#define strncmp(__arg0, __arg1, __arg2) \
+(__builtin_constant_p(__arg2) ? \
+ __constant_strncmp(__arg0, __arg1, __arg2) : \
+ __strncmp(__arg0, __arg1, __arg2))
 
 #endif /* !EXPORT_SYMTAB_STROPS */
 
diff --git a/arch/sparc/include/asm/switch_to.h b/arch/sparc/include/asm/switch_to.h
deleted file mode 100644
index 2dc4fa5c6f8..00000000000
--- a/arch/sparc/include/asm/switch_to.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef ___ASM_SPARC_SWITCH_TO_H
-#define ___ASM_SPARC_SWITCH_TO_H
-#if defined(__sparc__) && defined(__arch64__)
-#include <asm/switch_to_64.h>
-#else
-#include <asm/switch_to_32.h>
-#endif
-#endif
diff --git a/arch/sparc/include/asm/switch_to_32.h b/arch/sparc/include/asm/switch_to_32.h
deleted file mode 100644
index e32e82b76ee..00000000000
--- a/arch/sparc/include/asm/switch_to_32.h
+++ /dev/null
@@ -1,106 +0,0 @@
-#ifndef __SPARC_SWITCH_TO_H
-#define __SPARC_SWITCH_TO_H
-
-#include <asm/smp.h>
-
-extern struct thread_info *current_set[NR_CPUS];
-
-/*
- * Flush windows so that the VM switch which follows
- * would not pull the stack from under us.
- *
- * SWITCH_ENTER and SWITH_DO_LAZY_FPU do not work yet (e.g. SMP does not work)
- * XXX WTF is the above comment? Found in late teen 2.4.x.
- */
-#ifdef CONFIG_SMP
-#define SWITCH_ENTER(prv) \
-        do {                    \
-        if (test_tsk_thread_flag(prv, TIF_USEDFPU)) { \
-                put_psr(get_psr() | PSR_EF); \
-                fpsave(&(prv)->thread.float_regs[0], &(prv)->thread.fsr, \
-                       &(prv)->thread.fpqueue[0], &(prv)->thread.fpqdepth); \
-                clear_tsk_thread_flag(prv, TIF_USEDFPU); \
-                (prv)->thread.kregs->psr &= ~PSR_EF; \
-        } \
-        } while(0)
-
-#define SWITCH_DO_LAZY_FPU(next)        /* */
-#else
-#define SWITCH_ENTER(prv)               /* */
-#define SWITCH_DO_LAZY_FPU(nxt) \
-        do {                    \
-        if (last_task_used_math != (nxt))               \
-                (nxt)->thread.kregs->psr&=~PSR_EF;      \
-        } while(0)
-#endif
-
-#define prepare_arch_switch(next) do { \
-        __asm__ __volatile__( \
-        ".globl\tflush_patch_switch\nflush_patch_switch:\n\t" \
-        "save %sp, -0x40, %sp; save %sp, -0x40, %sp; save %sp, -0x40, %sp\n\t" \
-        "save %sp, -0x40, %sp; save %sp, -0x40, %sp; save %sp, -0x40, %sp\n\t" \
-        "save %sp, -0x40, %sp\n\t" \
-        "restore; restore; restore; restore; restore; restore; restore"); \
-} while(0)
-
-        /* Much care has gone into this code, do not touch it.
-         *
-         * We need to loadup regs l0/l1 for the newly forked child
-         * case because the trap return path relies on those registers
-         * holding certain values, gcc is told that they are clobbered.
-         * Gcc needs registers for 3 values in and 1 value out, so we
-         * clobber every non-fixed-usage register besides l2/l3/o4/o5.  -DaveM
-         *
-         * Hey Dave, that do not touch sign is too much of an incentive
-         * - Anton & Pete
-         */
-#define switch_to(prev, next, last) do {                                                \
-        SWITCH_ENTER(prev);                                                             \
-        SWITCH_DO_LAZY_FPU(next);                                                       \
-        cpumask_set_cpu(smp_processor_id(), mm_cpumask(next->active_mm));               \
-        __asm__ __volatile__(                                                           \
-        "sethi  %%hi(here - 0x8), %%o7\n\t"                                             \
-        "mov    %%g6, %%g3\n\t"                                                         \
-        "or     %%o7, %%lo(here - 0x8), %%o7\n\t"                                       \
-        "rd     %%psr, %%g4\n\t"                                                        \
-        "std    %%sp, [%%g6 + %4]\n\t"                                                  \
-        "rd     %%wim, %%g5\n\t"                                                        \
-        "wr     %%g4, 0x20, %%psr\n\t"                                                  \
-        "nop\n\t"                                                                       \
-        "std    %%g4, [%%g6 + %3]\n\t"                                                  \
-        "ldd    [%2 + %3], %%g4\n\t"                                                    \
-        "mov    %2, %%g6\n\t"                                                           \
-        ".globl patchme_store_new_current\n"                                            \
-"patchme_store_new_current:\n\t"                                                        \
-        "st     %2, [%1]\n\t"                                                           \
-        "wr     %%g4, 0x20, %%psr\n\t"                                                  \
-        "nop\n\t"                                                                       \
-        "nop\n\t"                                                                       \
-        "nop\n\t"       /* LEON needs all 3 nops: load to %sp depends on CWP. */                \
-        "ldd    [%%g6 + %4], %%sp\n\t"                                                  \
-        "wr     %%g5, 0x0, %%wim\n\t"                                                   \
-        "ldd    [%%sp + 0x00], %%l0\n\t"                                                \
-        "ldd    [%%sp + 0x38], %%i6\n\t"                                                \
-        "wr     %%g4, 0x0, %%psr\n\t"                                                   \
-        "nop\n\t"                                                                       \
-        "nop\n\t"                                                                       \
-        "jmpl   %%o7 + 0x8, %%g0\n\t"                                                   \
-        " ld    [%%g3 + %5], %0\n\t"                                                    \
-        "here:\n"                                                                       \
-        : "=&r" (last)                                                                  \
-        : "r" (&(current_set[hard_smp_processor_id()])),        \
-          "r" (task_thread_info(next)),                         \
-          "i" (TI_KPSR),                                        \
-          "i" (TI_KSP),                                         \
-          "i" (TI_TASK)                                         \
-        :       "g1", "g2", "g3", "g4", "g5",       "g7",       \
-          "l0", "l1",       "l3", "l4", "l5", "l6", "l7",       \
-          "i0", "i1", "i2", "i3", "i4", "i5",                   \
-          "o0", "o1", "o2", "o3",                   "o7");      \
-        } while(0)
-
-extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
-                   void *fpqueue, unsigned long *fpqdepth);
-extern void synchronize_user_stack(void);
-
-#endif /* __SPARC_SWITCH_TO_H */
diff --git a/arch/sparc/include/asm/switch_to_64.h b/arch/sparc/include/asm/switch_to_64.h
deleted file mode 100644
index cad36f56fa0..00000000000
--- a/arch/sparc/include/asm/switch_to_64.h
+++ /dev/null
@@ -1,72 +0,0 @@
-#ifndef __SPARC64_SWITCH_TO_64_H
-#define __SPARC64_SWITCH_TO_64_H
-
-#include <asm/visasm.h>
-
-#define prepare_arch_switch(next)               \
-do {                                            \
-        flushw_all();                           \
-} while (0)
-
-        /* See what happens when you design the chip correctly?
-         *
-         * We tell gcc we clobber all non-fixed-usage registers except
-         * for l0/l1.  It will use one for 'next' and the other to hold
-         * the output value of 'last'.  'next' is not referenced again
-         * past the invocation of switch_to in the scheduler, so we need
-         * not preserve it's value.  Hairy, but it lets us remove 2 loads
-         * and 2 stores in this critical code path.  -DaveM
-         */
-#define switch_to(prev, next, last)                                     \
-do {    flush_tlb_pending();                                            \
-        save_and_clear_fpu();                                           \
-        /* If you are tempted to conditionalize the following */        \
-        /* so that ASI is only written if it changes, think again. */   \
-        __asm__ __volatile__("wr %%g0, %0, %%asi"                       \
-        : : "r" (task_thread_info(next)->current_ds));\
-        trap_block[current_thread_info()->cpu].thread =                 \
-                task_thread_info(next);                                 \
-        __asm__ __volatile__(                                           \
-        "mov    %%g4, %%g7\n\t"                                         \
-        "stx    %%i6, [%%sp + 2047 + 0x70]\n\t"                         \
-        "stx    %%i7, [%%sp + 2047 + 0x78]\n\t"                         \
-        "rdpr   %%wstate, %%o5\n\t"                                     \
-        "stx    %%o6, [%%g6 + %6]\n\t"                                  \
-        "stb    %%o5, [%%g6 + %5]\n\t"                                  \
-        "rdpr   %%cwp, %%o5\n\t"                                        \
-        "stb    %%o5, [%%g6 + %8]\n\t"                                  \
-        "wrpr   %%g0, 15, %%pil\n\t"                                    \
-        "mov    %4, %%g6\n\t"                                           \
-        "ldub   [%4 + %8], %%g1\n\t"                                    \
-        "wrpr   %%g1, %%cwp\n\t"                                        \
-        "ldx    [%%g6 + %6], %%o6\n\t"                                  \
-        "ldub   [%%g6 + %5], %%o5\n\t"                                  \
-        "ldub   [%%g6 + %7], %%o7\n\t"                                  \
-        "wrpr   %%o5, 0x0, %%wstate\n\t"                                \
-        "ldx    [%%sp + 2047 + 0x70], %%i6\n\t"                         \
-        "ldx    [%%sp + 2047 + 0x78], %%i7\n\t"                         \
-        "ldx    [%%g6 + %9], %%g4\n\t"                                  \
-        "wrpr   %%g0, 14, %%pil\n\t"                                    \
-        "brz,pt %%o7, switch_to_pc\n\t"                                 \
-        " mov   %%g7, %0\n\t"                                           \
-        "sethi  %%hi(ret_from_syscall), %%g1\n\t"                       \
-        "jmpl   %%g1 + %%lo(ret_from_syscall), %%g0\n\t"                \
-        " nop\n\t"                                                      \
-        ".globl switch_to_pc\n\t"                                       \
-        "switch_to_pc:\n\t"                                             \
-        : "=&r" (last), "=r" (current), "=r" (current_thread_info_reg), \
-          "=r" (__local_per_cpu_offset)                                 \
-        : "0" (task_thread_info(next)),                                 \
-          "i" (TI_WSTATE), "i" (TI_KSP), "i" (TI_NEW_CHILD),            \
-          "i" (TI_CWP), "i" (TI_TASK)                                   \
-        : "cc",                                                         \
-                "g1", "g2", "g3",                   "g7",               \
-                "l1", "l2", "l3", "l4", "l5", "l6", "l7",               \
-          "i0", "i1", "i2", "i3", "i4", "i5",                           \
-          "o0", "o1", "o2", "o3", "o4", "o5",       "o7");              \
-} while(0)
-
-extern void synchronize_user_stack(void);
-extern void fault_in_user_windows(void);
-
-#endif /* __SPARC64_SWITCH_TO_64_H */
diff --git a/arch/sparc/include/asm/syscalls.h b/arch/sparc/include/asm/syscalls.h
index bf8972adea1..45a43f637a1 100644
--- a/arch/sparc/include/asm/syscalls.h
+++ b/arch/sparc/include/asm/syscalls.h
@@ -8,4 +8,6 @@ extern asmlinkage long sparc_do_fork(unsigned long clone_flags,
                                      struct pt_regs *regs,
                                      unsigned long stack_size);
 
+extern asmlinkage int sparc_execve(struct pt_regs *regs);
+
 #endif /* _SPARC64_SYSCALLS_H */
diff --git a/arch/sparc/include/asm/termbits.h b/arch/sparc/include/asm/termbits.h
index 948067065ac..23b10ff08df 100644
--- a/arch/sparc/include/asm/termbits.h
+++ b/arch/sparc/include/asm/termbits.h
@@ -1,8 +1,266 @@
 #ifndef _SPARC_TERMBITS_H
 #define _SPARC_TERMBITS_H
 
-#include <uapi/asm/termbits.h>
+#include <linux/posix_types.h>
 
+typedef unsigned char   cc_t;
+typedef unsigned int    speed_t;
+
+#if defined(__sparc__) && defined(__arch64__)
+typedef unsigned int    tcflag_t;
+#else
+typedef unsigned long   tcflag_t;
+#endif
+
+#define NCC 8
+struct termio {
+        unsigned short c_iflag;         /* input mode flags */
+        unsigned short c_oflag;         /* output mode flags */
+        unsigned short c_cflag;         /* control mode flags */
+        unsigned short c_lflag;         /* local mode flags */
+        unsigned char c_line;           /* line discipline */
+        unsigned char c_cc[NCC];        /* control characters */
+};
+
+#define NCCS 17
+struct termios {
+        tcflag_t c_iflag;               /* input mode flags */
+        tcflag_t c_oflag;               /* output mode flags */
+        tcflag_t c_cflag;               /* control mode flags */
+        tcflag_t c_lflag;               /* local mode flags */
+        cc_t c_line;                    /* line discipline */
+#ifndef __KERNEL__
+        cc_t c_cc[NCCS];                /* control characters */
+#else
+        cc_t c_cc[NCCS+2];      /* kernel needs 2 more to hold vmin/vtime */
+#define SIZEOF_USER_TERMIOS sizeof (struct termios) - (2*sizeof (cc_t))
+#endif
+};
+
+struct termios2 {
+        tcflag_t c_iflag;               /* input mode flags */
+        tcflag_t c_oflag;               /* output mode flags */
+        tcflag_t c_cflag;               /* control mode flags */
+        tcflag_t c_lflag;               /* local mode flags */
+        cc_t c_line;                    /* line discipline */
+        cc_t c_cc[NCCS+2];              /* control characters */
+        speed_t c_ispeed;               /* input speed */
+        speed_t c_ospeed;               /* output speed */
+};
+
+struct ktermios {
+        tcflag_t c_iflag;               /* input mode flags */
+        tcflag_t c_oflag;               /* output mode flags */
+        tcflag_t c_cflag;               /* control mode flags */
+        tcflag_t c_lflag;               /* local mode flags */
+        cc_t c_line;                    /* line discipline */
+        cc_t c_cc[NCCS+2];              /* control characters */
+        speed_t c_ispeed;               /* input speed */
+        speed_t c_ospeed;               /* output speed */
+};
+
+/* c_cc characters */
+#define VINTR    0
+#define VQUIT    1
+#define VERASE   2
+#define VKILL    3
+#define VEOF     4
+#define VEOL     5
+#define VEOL2    6
+#define VSWTC    7
+#define VSTART   8
+#define VSTOP    9
+
+
+
+#define VSUSP    10
+#define VDSUSP   11  /* SunOS POSIX nicety I do believe... */
+#define VREPRINT 12
+#define VDISCARD 13
+#define VWERASE  14
+#define VLNEXT   15
+
+/* Kernel keeps vmin/vtime separated, user apps assume vmin/vtime is
+ * shared with eof/eol
+ */
+#ifdef __KERNEL__
 #define VMIN     16
 #define VTIME    17
+#else
+#define VMIN     VEOF
+#define VTIME    VEOL
+#endif
+
+/* c_iflag bits */
+#define IGNBRK  0x00000001
+#define BRKINT  0x00000002
+#define IGNPAR  0x00000004
+#define PARMRK  0x00000008
+#define INPCK   0x00000010
+#define ISTRIP  0x00000020
+#define INLCR   0x00000040
+#define IGNCR   0x00000080
+#define ICRNL   0x00000100
+#define IUCLC   0x00000200
+#define IXON    0x00000400
+#define IXANY   0x00000800
+#define IXOFF   0x00001000
+#define IMAXBEL 0x00002000
+#define IUTF8   0x00004000
+
+/* c_oflag bits */
+#define OPOST   0x00000001
+#define OLCUC   0x00000002
+#define ONLCR   0x00000004
+#define OCRNL   0x00000008
+#define ONOCR   0x00000010
+#define ONLRET  0x00000020
+#define OFILL   0x00000040
+#define OFDEL   0x00000080
+#define NLDLY   0x00000100
+#define   NL0   0x00000000
+#define   NL1   0x00000100
+#define CRDLY   0x00000600
+#define   CR0   0x00000000
+#define   CR1   0x00000200
+#define   CR2   0x00000400
+#define   CR3   0x00000600
+#define TABDLY  0x00001800
+#define   TAB0  0x00000000
+#define   TAB1  0x00000800
+#define   TAB2  0x00001000
+#define   TAB3  0x00001800
+#define   XTABS 0x00001800
+#define BSDLY   0x00002000
+#define   BS0   0x00000000
+#define   BS1   0x00002000
+#define VTDLY   0x00004000
+#define   VT0   0x00000000
+#define   VT1   0x00004000
+#define FFDLY   0x00008000
+#define   FF0   0x00000000
+#define   FF1   0x00008000
+#define PAGEOUT 0x00010000  /* SUNOS specific */
+#define WRAP    0x00020000  /* SUNOS specific */
+
+/* c_cflag bit meaning */
+#define CBAUD     0x0000100f
+#define  B0       0x00000000   /* hang up */
+#define  B50      0x00000001
+#define  B75      0x00000002
+#define  B110     0x00000003
+#define  B134     0x00000004
+#define  B150     0x00000005
+#define  B200     0x00000006
+#define  B300     0x00000007
+#define  B600     0x00000008
+#define  B1200    0x00000009
+#define  B1800    0x0000000a
+#define  B2400    0x0000000b
+#define  B4800    0x0000000c
+#define  B9600    0x0000000d
+#define  B19200   0x0000000e
+#define  B38400   0x0000000f
+#define EXTA      B19200
+#define EXTB      B38400
+#define  CSIZE    0x00000030
+#define   CS5     0x00000000
+#define   CS6     0x00000010
+#define   CS7     0x00000020
+#define   CS8     0x00000030
+#define CSTOPB    0x00000040
+#define CREAD     0x00000080
+#define PARENB    0x00000100
+#define PARODD    0x00000200
+#define HUPCL     0x00000400
+#define CLOCAL    0x00000800
+#define CBAUDEX   0x00001000
+/* We'll never see these speeds with the Zilogs, but for completeness... */
+#define  BOTHER   0x00001000
+#define  B57600   0x00001001
+#define  B115200  0x00001002
+#define  B230400  0x00001003
+#define  B460800  0x00001004
+/* This is what we can do with the Zilogs. */
+#define  B76800   0x00001005
+/* This is what we can do with the SAB82532. */
+#define  B153600  0x00001006
+#define  B307200  0x00001007
+#define  B614400  0x00001008
+#define  B921600  0x00001009
+/* And these are the rest... */
+#define  B500000  0x0000100a
+#define  B576000  0x0000100b
+#define B1000000  0x0000100c
+#define B1152000  0x0000100d
+#define B1500000  0x0000100e
+#define B2000000  0x0000100f
+/* These have totally bogus values and nobody uses them
+   so far. Later on we'd have to use say 0x10000x and
+   adjust CBAUD constant and drivers accordingly.
+#define B2500000  0x00001010
+#define B3000000  0x00001011
+#define B3500000  0x00001012
+#define B4000000  0x00001013  */
+#define CIBAUD    0x100f0000  /* input baud rate (not used) */
+#define CMSPAR    0x40000000  /* mark or space (stick) parity */
+#define CRTSCTS   0x80000000  /* flow control */
+
+#define IBSHIFT   16            /* Shift from CBAUD to CIBAUD */
+
+/* c_lflag bits */
+#define ISIG    0x00000001
+#define ICANON  0x00000002
+#define XCASE   0x00000004
+#define ECHO    0x00000008
+#define ECHOE   0x00000010
+#define ECHOK   0x00000020
+#define ECHONL  0x00000040
+#define NOFLSH  0x00000080
+#define TOSTOP  0x00000100
+#define ECHOCTL 0x00000200
+#define ECHOPRT 0x00000400
+#define ECHOKE  0x00000800
+#define DEFECHO 0x00001000  /* SUNOS thing, what is it? */
+#define FLUSHO  0x00002000
+#define PENDIN  0x00004000
+#define IEXTEN  0x00008000
+#define EXTPROC 0x00010000
+
+/* modem lines */
+#define TIOCM_LE        0x001
+#define TIOCM_DTR       0x002
+#define TIOCM_RTS       0x004
+#define TIOCM_ST        0x008
+#define TIOCM_SR        0x010
+#define TIOCM_CTS       0x020
+#define TIOCM_CAR       0x040
+#define TIOCM_RNG       0x080
+#define TIOCM_DSR       0x100
+#define TIOCM_CD        TIOCM_CAR
+#define TIOCM_RI        TIOCM_RNG
+#define TIOCM_OUT1      0x2000
+#define TIOCM_OUT2      0x4000
+#define TIOCM_LOOP      0x8000
+
+/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
+#define TIOCSER_TEMT    0x01    /* Transmitter physically empty */
+
+
+/* tcflow() and TCXONC use these */
+#define TCOOFF          0
+#define TCOON           1
+#define TCIOFF          2
+#define TCION           3
+
+/* tcflush() and TCFLSH use these */
+#define TCIFLUSH        0
+#define TCOFLUSH        1
+#define TCIOFLUSH       2
+
+/* tcsetattr uses these */
+#define TCSANOW         0
+#define TCSADRAIN       1
+#define TCSAFLUSH       2
+
 #endif /* !(_SPARC_TERMBITS_H) */
diff --git a/arch/sparc/include/asm/termios.h b/arch/sparc/include/asm/termios.h
index 0c2414ddd52..e8ba9539964 100644
--- a/arch/sparc/include/asm/termios.h
+++ b/arch/sparc/include/asm/termios.h
@@ -1,8 +1,46 @@
 #ifndef _SPARC_TERMIOS_H
 #define _SPARC_TERMIOS_H
 
-#include <uapi/asm/termios.h>
+#include <asm/ioctls.h>
+#include <asm/termbits.h>
 
+#if defined(__KERNEL__) || defined(__DEFINE_BSD_TERMIOS)
+struct sgttyb {
+        char    sg_ispeed;
+        char    sg_ospeed;
+        char    sg_erase;
+        char    sg_kill;
+        short   sg_flags;
+};
+
+struct tchars {
+        char    t_intrc;
+        char    t_quitc;
+        char    t_startc;
+        char    t_stopc;
+        char    t_eofc;
+        char    t_brkc;
+};
+
+struct ltchars {
+        char    t_suspc;
+        char    t_dsuspc;
+        char    t_rprntc;
+        char    t_flushc;
+        char    t_werasc;
+        char    t_lnextc;
+};
+#endif /* __KERNEL__ */
+
+struct winsize {
+        unsigned short ws_row;
+        unsigned short ws_col;
+        unsigned short ws_xpixel;
+        unsigned short ws_ypixel;
+};
+
+#ifdef __KERNEL__
+#include <linux/module.h>
 
 /*
  * c_cc characters in the termio structure.  Oh, how I love being
@@ -143,4 +181,6 @@
         err; \
 })
 
+#endif  /* __KERNEL__ */
+
 #endif /* _SPARC_TERMIOS_H */
diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h
index 25849ae3e90..fa575323341 100644
--- a/arch/sparc/include/asm/thread_info_32.h
+++ b/arch/sparc/include/asm/thread_info_32.h
@@ -15,6 +15,7 @@
 
 #ifndef __ASSEMBLY__
 
+#include <asm/btfixup.h>
 #include <asm/ptrace.h>
 #include <asm/page.h>
 
@@ -77,12 +78,24 @@ register struct thread_info *current_thread_info_reg asm("g6");
 /*
  * thread information allocation
  */
-#define THREAD_SIZE_ORDER  1
+#define THREAD_INFO_ORDER  1
+
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
+BTFIXUPDEF_CALL(struct thread_info *, alloc_thread_info_node, int)
+#define alloc_thread_info_node(tsk, node) BTFIXUP_CALL(alloc_thread_info_node)(node)
+
+BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *)
+#define free_thread_info(ti) BTFIXUP_CALL(free_thread_info)(ti)
 
 #endif /* __ASSEMBLY__ */
 
-/* Size of kernel stack for each process */
-#define THREAD_SIZE             (2 * PAGE_SIZE)
+/*
+ * Size of kernel stack for each process.
+ * Observe the order of get_free_pages() in alloc_thread_info_node().
+ * The sun4 has 8K stack too, because it's short on memory, and 16K is a waste.
+ */
+#define THREAD_SIZE             8192
 
 /*
  * Offsets in thread_info structure, used in assembly code
@@ -120,19 +133,21 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define TIF_POLLING_NRFLAG      9       /* true if poll_idle() is polling
                                          * TIF_NEED_RESCHED */
 #define TIF_MEMDIE              10      /* is terminating due to OOM killer */
+#define TIF_FREEZE              11      /* is freezing for suspend */
 
 /* as above, but as bit values */
 #define _TIF_SYSCALL_TRACE      (1<<TIF_SYSCALL_TRACE)
 #define _TIF_NOTIFY_RESUME      (1<<TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING         (1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED       (1<<TIF_NEED_RESCHED)
+#define _TIF_RESTORE_SIGMASK    (1<<TIF_RESTORE_SIGMASK)
 #define _TIF_USEDFPU            (1<<TIF_USEDFPU)
 #define _TIF_POLLING_NRFLAG     (1<<TIF_POLLING_NRFLAG)
 
 #define _TIF_DO_NOTIFY_RESUME_MASK      (_TIF_NOTIFY_RESUME | \
-                                         _TIF_SIGPENDING)
-
-#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG)
+                                         _TIF_SIGPENDING | \
+                                         _TIF_RESTORE_SIGMASK)
+#define _TIF_FREEZE             (1<<TIF_FREEZE)
 
 #endif /* __KERNEL__ */
 
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index 269bd92313d..60d86be1a53 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -14,12 +14,12 @@
 #define TI_FLAG_FAULT_CODE_SHIFT        56
 #define TI_FLAG_BYTE_WSTATE             1
 #define TI_FLAG_WSTATE_SHIFT            48
-#define TI_FLAG_BYTE_NOERROR            2
-#define TI_FLAG_BYTE_NOERROR_SHIFT      40
-#define TI_FLAG_BYTE_FPDEPTH            3
-#define TI_FLAG_FPDEPTH_SHIFT           32
-#define TI_FLAG_BYTE_CWP                4
-#define TI_FLAG_CWP_SHIFT               24
+#define TI_FLAG_BYTE_CWP                2
+#define TI_FLAG_CWP_SHIFT               40
+#define TI_FLAG_BYTE_CURRENT_DS         3
+#define TI_FLAG_CURRENT_DS_SHIFT        32
+#define TI_FLAG_BYTE_FPDEPTH            4
+#define TI_FLAG_FPDEPTH_SHIFT           24
 #define TI_FLAG_BYTE_WSAVED             5
 #define TI_FLAG_WSAVED_SHIFT            16
 
@@ -47,7 +47,7 @@ struct thread_info {
         struct exec_domain      *exec_domain;
         int                     preempt_count;  /* 0 => preemptable, <0 => BUG */
         __u8                    new_child;
-        __u8                    current_ds;
+        __u8                    syscall_noerror;
         __u16                   cpu;
 
         unsigned long           *utraps;
@@ -74,9 +74,9 @@ struct thread_info {
 #define TI_FAULT_CODE   (TI_FLAGS + TI_FLAG_BYTE_FAULT_CODE)
 #define TI_WSTATE       (TI_FLAGS + TI_FLAG_BYTE_WSTATE)
 #define TI_CWP          (TI_FLAGS + TI_FLAG_BYTE_CWP)
+#define TI_CURRENT_DS   (TI_FLAGS + TI_FLAG_BYTE_CURRENT_DS)
 #define TI_FPDEPTH      (TI_FLAGS + TI_FLAG_BYTE_FPDEPTH)
 #define TI_WSAVED       (TI_FLAGS + TI_FLAG_BYTE_WSAVED)
-#define TI_SYS_NOERROR  (TI_FLAGS + TI_FLAG_BYTE_NOERROR)
 #define TI_FPSAVED      0x00000010
 #define TI_KSP          0x00000018
 #define TI_FAULT_ADDR   0x00000020
@@ -84,7 +84,7 @@ struct thread_info {
 #define TI_EXEC_DOMAIN  0x00000030
 #define TI_PRE_COUNT    0x00000038
 #define TI_NEW_CHILD    0x0000003c
-#define TI_CURRENT_DS   0x0000003d
+#define TI_SYS_NOERROR  0x0000003d
 #define TI_CPU          0x0000003e
 #define TI_UTRAPS       0x00000040
 #define TI_REG_WINDOW   0x00000048
@@ -121,7 +121,7 @@ struct thread_info {
 #define INIT_THREAD_INFO(tsk)                           \
 {                                                       \
         .task           =       &tsk,                   \
-        .current_ds     =       ASI_P,                  \
+        .flags          = ((unsigned long)ASI_P) << TI_FLAG_CURRENT_DS_SHIFT,   \
         .exec_domain    =       &default_exec_domain,   \
         .preempt_count  =       INIT_PREEMPT_COUNT,     \
         .restart_block  = {                             \
@@ -138,11 +138,32 @@ register struct thread_info *current_thread_info_reg asm("g6");
 
 /* thread information allocation */
 #if PAGE_SHIFT == 13
-#define THREAD_SIZE_ORDER       1
+#define __THREAD_INFO_ORDER     1
 #else /* PAGE_SHIFT == 13 */
-#define THREAD_SIZE_ORDER       0
+#define __THREAD_INFO_ORDER     0
 #endif /* PAGE_SHIFT == 13 */
 
+#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
+
+#ifdef CONFIG_DEBUG_STACK_USAGE
+#define THREAD_FLAGS (GFP_KERNEL | __GFP_ZERO)
+#else
+#define THREAD_FLAGS (GFP_KERNEL)
+#endif
+
+#define alloc_thread_info_node(tsk, node)                               \
+({                                                                      \
+        struct page *page = alloc_pages_node(node, THREAD_FLAGS,        \
+                                             __THREAD_INFO_ORDER);      \
+        struct thread_info *ret;                                        \
+                                                                        \
+        ret = page ? page_address(page) : NULL;                         \
+        ret;                                                            \
+})
+
+#define free_thread_info(ti) \
+        free_pages((unsigned long)(ti),__THREAD_INFO_ORDER)
+
 #define __thread_flag_byte_ptr(ti)      \
         ((unsigned char *)(&((ti)->flags)))
 #define __cur_thread_flag_byte_ptr      __thread_flag_byte_ptr(current_thread_info())
@@ -153,12 +174,13 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define set_thread_wstate(val)          (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSTATE] = (val))
 #define get_thread_cwp()                (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP])
 #define set_thread_cwp(val)             (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP] = (val))
-#define get_thread_noerror()            (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_NOERROR])
-#define set_thread_noerror(val)         (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_NOERROR] = (val))
+#define get_thread_current_ds()         (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS])
+#define set_thread_current_ds(val)      (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS] = (val))
 #define get_thread_fpdepth()            (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH])
 #define set_thread_fpdepth(val)         (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH] = (val))
 #define get_thread_wsaved()             (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED])
 #define set_thread_wsaved(val)          (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED] = (val))
+
 #endif /* !(__ASSEMBLY__) */
 
 /*
@@ -203,6 +225,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
 /* flag bit 12 is available */
 #define TIF_MEMDIE              13      /* is terminating due to OOM killer */
 #define TIF_POLLING_NRFLAG      14
+#define TIF_FREEZE              15      /* is freezing for suspend */
 
 #define _TIF_SYSCALL_TRACE      (1<<TIF_SYSCALL_TRACE)
 #define _TIF_NOTIFY_RESUME      (1<<TIF_NOTIFY_RESUME)
@@ -214,6 +237,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define _TIF_SYSCALL_AUDIT      (1<<TIF_SYSCALL_AUDIT)
 #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
 #define _TIF_POLLING_NRFLAG     (1<<TIF_POLLING_NRFLAG)
+#define _TIF_FREEZE             (1<<TIF_FREEZE)
 
 #define _TIF_USER_WORK_MASK     ((0xff << TI_FLAG_WSAVED_SHIFT) | \
                                  _TIF_DO_NOTIFY_RESUME_MASK | \
@@ -237,32 +261,8 @@ static inline void set_restore_sigmask(void)
 {
         struct thread_info *ti = current_thread_info();
         ti->status |= TS_RESTORE_SIGMASK;
-        WARN_ON(!test_bit(TIF_SIGPENDING, &ti->flags));
-}
-static inline void clear_restore_sigmask(void)
-{
-        current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
+        set_bit(TIF_SIGPENDING, &ti->flags);
 }
-static inline bool test_restore_sigmask(void)
-{
-        return current_thread_info()->status & TS_RESTORE_SIGMASK;
-}
-static inline bool test_and_clear_restore_sigmask(void)
-{
-        struct thread_info *ti = current_thread_info();
-        if (!(ti->status & TS_RESTORE_SIGMASK))
-                return false;
-        ti->status &= ~TS_RESTORE_SIGMASK;
-        return true;
-}
-
-#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG)
-
-#define thread32_stack_is_64bit(__SP) (((__SP) & 0x1) != 0)
-#define test_thread_64bit_stack(__SP) \
-        ((test_thread_flag(TIF_32BIT) && !thread32_stack_is_64bit(__SP)) ? \
-         false : true)
-
 #endif  /* !__ASSEMBLY__ */
 
 #endif /* __KERNEL__ */
diff --git a/arch/sparc/include/asm/timer_32.h b/arch/sparc/include/asm/timer_32.h
index 72f40a546de..2ec030ef381 100644
--- a/arch/sparc/include/asm/timer_32.h
+++ b/arch/sparc/include/asm/timer_32.h
@@ -8,37 +8,13 @@
 #ifndef _SPARC_TIMER_H
 #define _SPARC_TIMER_H
 
-#include <linux/clocksource.h>
-#include <linux/irqreturn.h>
-
-#include <asm-generic/percpu.h>
-
-#include <asm/cpu_type.h>  /* For SUN4M_NCPUS */
-
-#define SBUS_CLOCK_RATE   2000000 /* 2MHz */
-#define TIMER_VALUE_SHIFT 9
-#define TIMER_VALUE_MASK  0x3fffff
-#define TIMER_LIMIT_BIT   (1 << 31)  /* Bit 31 in Counter-Timer register */
-
-/* The counter timer register has the value offset by 9 bits.
- * From sun4m manual:
- * When a counter reaches the value in the corresponding limit register,
- * the Limit bit is set and the counter is set to 500 nS (i.e. 0x00000200).
- *
- * To compensate for this add one to the value.
- */
-static inline unsigned int timer_value(unsigned int value)
-{
-        return (value + 1) << TIMER_VALUE_SHIFT;
-}
+#include <asm/system.h>  /* For SUN4M_NCPUS */
+#include <asm/btfixup.h>
 
 extern __volatile__ unsigned int *master_l10_counter;
 
-extern irqreturn_t notrace timer_interrupt(int dummy, void *dev_id);
-
-#ifdef CONFIG_SMP
-DECLARE_PER_CPU(struct clock_event_device, sparc32_clockevent);
-extern void register_percpu_ce(int cpu);
-#endif
+/* FIXME: Make do_[gs]ettimeofday btfixup calls */
+BTFIXUPDEF_CALL(int, bus_do_settimeofday, struct timespec *tv)
+#define bus_do_settimeofday(tv) BTFIXUP_CALL(bus_do_settimeofday)(tv)
 
 #endif /* !(_SPARC_TIMER_H) */
diff --git a/arch/sparc/include/asm/timer_64.h b/arch/sparc/include/asm/timer_64.h
index 01197d8215c..ef3c3682deb 100644
--- a/arch/sparc/include/asm/timer_64.h
+++ b/arch/sparc/include/asm/timer_64.h
@@ -24,7 +24,7 @@ struct sparc64_tick_ops {
 extern struct sparc64_tick_ops *tick_ops;
 
 extern unsigned long sparc64_get_clock_tick(unsigned int cpu);
-extern void setup_sparc64_timer(void);
+extern void __devinit setup_sparc64_timer(void);
 extern void __init time_init(void);
 
 #endif /* _SPARC64_TIMER_H */
diff --git a/arch/sparc/include/asm/timex_32.h b/arch/sparc/include/asm/timex_32.h
index b6ccdb0d6f7..a254750e4c0 100644
--- a/arch/sparc/include/asm/timex_32.h
+++ b/arch/sparc/include/asm/timex_32.h
@@ -12,4 +12,5 @@
 typedef unsigned long cycles_t;
 #define get_cycles()    (0)
 
+extern u32 (*do_arch_gettimeoffset)(void);
 #endif
diff --git a/arch/sparc/include/asm/tlbflush_32.h b/arch/sparc/include/asm/tlbflush_32.h
index a5c4142130f..fe0a71abc9b 100644
--- a/arch/sparc/include/asm/tlbflush_32.h
+++ b/arch/sparc/include/asm/tlbflush_32.h
@@ -1,16 +1,52 @@
 #ifndef _SPARC_TLBFLUSH_H
 #define _SPARC_TLBFLUSH_H
 
-#include <asm/cachetlb_32.h>
-
-#define flush_tlb_all() \
-        sparc32_cachetlb_ops->tlb_all()
-#define flush_tlb_mm(mm) \
-        sparc32_cachetlb_ops->tlb_mm(mm)
-#define flush_tlb_range(vma, start, end) \
-        sparc32_cachetlb_ops->tlb_range(vma, start, end)
-#define flush_tlb_page(vma, addr) \
-        sparc32_cachetlb_ops->tlb_page(vma, addr)
+#include <linux/mm.h>
+// #include <asm/processor.h>
+
+/*
+ * TLB flushing:
+ *
+ *  - flush_tlb() flushes the current mm struct TLBs    XXX Exists?
+ *  - flush_tlb_all() flushes all processes TLBs
+ *  - flush_tlb_mm(mm) flushes the specified mm context TLB's
+ *  - flush_tlb_page(vma, vmaddr) flushes one page
+ *  - flush_tlb_range(vma, start, end) flushes a range of pages
+ *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
+ */
+
+#ifdef CONFIG_SMP
+
+BTFIXUPDEF_CALL(void, local_flush_tlb_all, void)
+BTFIXUPDEF_CALL(void, local_flush_tlb_mm, struct mm_struct *)
+BTFIXUPDEF_CALL(void, local_flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long)
+BTFIXUPDEF_CALL(void, local_flush_tlb_page, struct vm_area_struct *, unsigned long)
+
+#define local_flush_tlb_all() BTFIXUP_CALL(local_flush_tlb_all)()
+#define local_flush_tlb_mm(mm) BTFIXUP_CALL(local_flush_tlb_mm)(mm)
+#define local_flush_tlb_range(vma,start,end) BTFIXUP_CALL(local_flush_tlb_range)(vma,start,end)
+#define local_flush_tlb_page(vma,addr) BTFIXUP_CALL(local_flush_tlb_page)(vma,addr)
+
+extern void smp_flush_tlb_all(void);
+extern void smp_flush_tlb_mm(struct mm_struct *mm);
+extern void smp_flush_tlb_range(struct vm_area_struct *vma,
+                                  unsigned long start,
+                                  unsigned long end);
+extern void smp_flush_tlb_page(struct vm_area_struct *mm, unsigned long page);
+
+#endif /* CONFIG_SMP */
+
+BTFIXUPDEF_CALL(void, flush_tlb_all, void)
+BTFIXUPDEF_CALL(void, flush_tlb_mm, struct mm_struct *)
+BTFIXUPDEF_CALL(void, flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long)
+BTFIXUPDEF_CALL(void, flush_tlb_page, struct vm_area_struct *, unsigned long)
+
+#define flush_tlb_all() BTFIXUP_CALL(flush_tlb_all)()
+#define flush_tlb_mm(mm) BTFIXUP_CALL(flush_tlb_mm)(mm)
+#define flush_tlb_range(vma,start,end) BTFIXUP_CALL(flush_tlb_range)(vma,start,end)
+#define flush_tlb_page(vma,addr) BTFIXUP_CALL(flush_tlb_page)(vma,addr)
+
+// #define flush_tlb() flush_tlb_mm(current->active_mm) /* XXX Sure? */
 
 /*
  * This is a kludge, until I know better. --zaitcev XXX
diff --git a/arch/sparc/include/asm/topology_64.h b/arch/sparc/include/asm/topology_64.h
index 1754390a426..8b9c556d630 100644
--- a/arch/sparc/include/asm/topology_64.h
+++ b/arch/sparc/include/asm/topology_64.h
@@ -31,6 +31,25 @@ static inline int pcibus_to_node(struct pci_bus *pbus)
          cpu_all_mask : \
          cpumask_of_node(pcibus_to_node(bus)))
 
+#define SD_NODE_INIT (struct sched_domain) {            \
+        .min_interval           = 8,                    \
+        .max_interval           = 32,                   \
+        .busy_factor            = 32,                   \
+        .imbalance_pct          = 125,                  \
+        .cache_nice_tries       = 2,                    \
+        .busy_idx               = 3,                    \
+        .idle_idx               = 2,                    \
+        .newidle_idx            = 0,                    \
+        .wake_idx               = 0,                    \
+        .forkexec_idx           = 0,                    \
+        .flags                  = SD_LOAD_BALANCE       \
+                                | SD_BALANCE_FORK       \
+                                | SD_BALANCE_EXEC       \
+                                | SD_SERIALIZE,         \
+        .last_balance           = jiffies,              \
+        .balance_interval       = 1,                    \
+}
+
 #else /* CONFIG_NUMA */
 
 #include <asm-generic/topology.h>
diff --git a/arch/sparc/include/asm/traps.h b/arch/sparc/include/asm/traps.h
index 51abcb1f9b3..3aa62dde343 100644
--- a/arch/sparc/include/asm/traps.h
+++ b/arch/sparc/include/asm/traps.h
@@ -3,12 +3,14 @@
  *
  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
  */
+
 #ifndef _SPARC_TRAPS_H
 #define _SPARC_TRAPS_H
 
-#include <uapi/asm/traps.h>
+#define NUM_SPARC_TRAPS  255
 
 #ifndef __ASSEMBLY__
+#ifdef __KERNEL__
 /* This is for V8 compliant Sparc CPUS */
 struct tt_entry {
         unsigned long inst_one;
@@ -20,5 +22,112 @@ struct tt_entry {
 /* We set this to _start in system setup. */
 extern struct tt_entry *sparc_ttable;
 
+#endif /* (__KERNEL__) */
 #endif /* !(__ASSEMBLY__) */
+
+/* For patching the trap table at boot time, we need to know how to
+ * form various common Sparc instructions.  Thus these macros...
+ */
+
+#define SPARC_MOV_CONST_L3(const) (0xa6102000 | (const&0xfff))
+
+/* The following assumes that the branch lies before the place we
+ * are branching to.  This is the case for a trap vector...
+ * You have been warned.
+ */
+#define SPARC_BRANCH(dest_addr, inst_addr) \
+          (0x10800000 | (((dest_addr-inst_addr)>>2)&0x3fffff))
+
+#define SPARC_RD_PSR_L0  (0xa1480000)
+#define SPARC_RD_WIM_L3  (0xa7500000)
+#define SPARC_NOP (0x01000000)
+
+/* Various interesting trap levels. */
+/* First, hardware traps. */
+#define SP_TRAP_TFLT    0x1          /* Text fault */
+#define SP_TRAP_II      0x2          /* Illegal Instruction */
+#define SP_TRAP_PI      0x3          /* Privileged Instruction */
+#define SP_TRAP_FPD     0x4          /* Floating Point Disabled */
+#define SP_TRAP_WOVF    0x5          /* Window Overflow */
+#define SP_TRAP_WUNF    0x6          /* Window Underflow */
+#define SP_TRAP_MNA     0x7          /* Memory Address Unaligned */
+#define SP_TRAP_FPE     0x8          /* Floating Point Exception */
+#define SP_TRAP_DFLT    0x9          /* Data Fault */
+#define SP_TRAP_TOF     0xa          /* Tag Overflow */
+#define SP_TRAP_WDOG    0xb          /* Watchpoint Detected */
+#define SP_TRAP_IRQ1    0x11         /* IRQ level 1 */
+#define SP_TRAP_IRQ2    0x12         /* IRQ level 2 */
+#define SP_TRAP_IRQ3    0x13         /* IRQ level 3 */
+#define SP_TRAP_IRQ4    0x14         /* IRQ level 4 */
+#define SP_TRAP_IRQ5    0x15         /* IRQ level 5 */
+#define SP_TRAP_IRQ6    0x16         /* IRQ level 6 */
+#define SP_TRAP_IRQ7    0x17         /* IRQ level 7 */
+#define SP_TRAP_IRQ8    0x18         /* IRQ level 8 */
+#define SP_TRAP_IRQ9    0x19         /* IRQ level 9 */
+#define SP_TRAP_IRQ10   0x1a         /* IRQ level 10 */
+#define SP_TRAP_IRQ11   0x1b         /* IRQ level 11 */
+#define SP_TRAP_IRQ12   0x1c         /* IRQ level 12 */
+#define SP_TRAP_IRQ13   0x1d         /* IRQ level 13 */
+#define SP_TRAP_IRQ14   0x1e         /* IRQ level 14 */
+#define SP_TRAP_IRQ15   0x1f         /* IRQ level 15 Non-maskable */
+#define SP_TRAP_RACC    0x20         /* Register Access Error ??? */
+#define SP_TRAP_IACC    0x21         /* Instruction Access Error */
+#define SP_TRAP_CPDIS   0x24         /* Co-Processor Disabled */
+#define SP_TRAP_BADFL   0x25         /* Unimplemented Flush Instruction */
+#define SP_TRAP_CPEXP   0x28         /* Co-Processor Exception */
+#define SP_TRAP_DACC    0x29         /* Data Access Error */
+#define SP_TRAP_DIVZ    0x2a         /* Divide By Zero */
+#define SP_TRAP_DSTORE  0x2b         /* Data Store Error ??? */
+#define SP_TRAP_DMM     0x2c         /* Data Access MMU Miss ??? */
+#define SP_TRAP_IMM     0x3c         /* Instruction Access MMU Miss ??? */
+
+/* Now the Software Traps... */
+#define SP_TRAP_SUNOS   0x80         /* SunOS System Call */
+#define SP_TRAP_SBPT    0x81         /* Software Breakpoint */
+#define SP_TRAP_SDIVZ   0x82         /* Software Divide-by-Zero trap */
+#define SP_TRAP_FWIN    0x83         /* Flush Windows */
+#define SP_TRAP_CWIN    0x84         /* Clean Windows */
+#define SP_TRAP_RCHK    0x85         /* Range Check */
+#define SP_TRAP_FUNA    0x86         /* Fix Unaligned Access */
+#define SP_TRAP_IOWFL   0x87         /* Integer Overflow */
+#define SP_TRAP_SOLARIS 0x88         /* Solaris System Call */
+#define SP_TRAP_NETBSD  0x89         /* NetBSD System Call */
+#define SP_TRAP_LINUX   0x90         /* Linux System Call */
+
+/* Names used for compatibility with SunOS */
+#define ST_SYSCALL              0x00
+#define ST_BREAKPOINT           0x01
+#define ST_DIV0                 0x02
+#define ST_FLUSH_WINDOWS        0x03
+#define ST_CLEAN_WINDOWS        0x04
+#define ST_RANGE_CHECK          0x05
+#define ST_FIX_ALIGN            0x06
+#define ST_INT_OVERFLOW         0x07
+
+/* Special traps... */
+#define SP_TRAP_KBPT1   0xfe         /* KADB/PROM Breakpoint one */
+#define SP_TRAP_KBPT2   0xff         /* KADB/PROM Breakpoint two */
+
+/* Handy Macros */
+/* Is this a trap we never expect to get? */
+#define BAD_TRAP_P(level) \
+        ((level > SP_TRAP_WDOG && level < SP_TRAP_IRQ1) || \
+         (level > SP_TRAP_IACC && level < SP_TRAP_CPDIS) || \
+         (level > SP_TRAP_BADFL && level < SP_TRAP_CPEXP) || \
+         (level > SP_TRAP_DMM && level < SP_TRAP_IMM) || \
+         (level > SP_TRAP_IMM && level < SP_TRAP_SUNOS) || \
+         (level > SP_TRAP_LINUX && level < SP_TRAP_KBPT1))
+
+/* Is this a Hardware trap? */
+#define HW_TRAP_P(level) ((level > 0) && (level < SP_TRAP_SUNOS))
+
+/* Is this a Software trap? */
+#define SW_TRAP_P(level) ((level >= SP_TRAP_SUNOS) && (level <= SP_TRAP_KBPT2))
+
+/* Is this a system call for some OS we know about? */
+#define SCALL_TRAP_P(level) ((level == SP_TRAP_SUNOS) || \
+                             (level == SP_TRAP_SOLARIS) || \
+                             (level == SP_TRAP_NETBSD) || \
+                             (level == SP_TRAP_LINUX))
+
 #endif /* !(_SPARC_TRAPS_H) */
diff --git a/arch/sparc/include/asm/tsb.h b/arch/sparc/include/asm/tsb.h
index b4c258de444..1a8afd1ad04 100644
--- a/arch/sparc/include/asm/tsb.h
+++ b/arch/sparc/include/asm/tsb.h
@@ -147,96 +147,20 @@ extern struct tsb_phys_patch_entry __tsb_phys_patch, __tsb_phys_patch_end;
         brz,pn          REG1, FAIL_LABEL; \
          sllx           VADDR, 64 - (PMD_SHIFT + PMD_BITS), REG2; \
         srlx            REG2, 64 - PAGE_SHIFT, REG2; \
-        sllx            REG1, PGD_PADDR_SHIFT, REG1; \
+        sllx            REG1, 11, REG1; \
         andn            REG2, 0x3, REG2; \
         lduwa           [REG1 + REG2] ASI_PHYS_USE_EC, REG1; \
         brz,pn          REG1, FAIL_LABEL; \
          sllx           VADDR, 64 - PMD_SHIFT, REG2; \
-        srlx            REG2, 64 - (PAGE_SHIFT - 1), REG2; \
-        sllx            REG1, PMD_PADDR_SHIFT, REG1; \
+        srlx            REG2, 64 - PAGE_SHIFT, REG2; \
+        sllx            REG1, 11, REG1; \
         andn            REG2, 0x7, REG2; \
         add             REG1, REG2, REG1;
 
-        /* This macro exists only to make the PMD translator below easier
-         * to read.  It hides the ELF section switch for the sun4v code
-         * patching.
-         */
-#define OR_PTE_BIT(REG, NAME)                           \
-661:    or              REG, _PAGE_##NAME##_4U, REG;    \
-        .section        .sun4v_1insn_patch, "ax";       \
-        .word           661b;                           \
-        or              REG, _PAGE_##NAME##_4V, REG;    \
-        .previous;
-
-        /* Load into REG the PTE value for VALID, CACHE, and SZHUGE.  */
-#define BUILD_PTE_VALID_SZHUGE_CACHE(REG)                                  \
-661:    sethi           %uhi(_PAGE_VALID|_PAGE_SZHUGE_4U), REG;            \
-        .section        .sun4v_1insn_patch, "ax";                          \
-        .word           661b;                                              \
-        sethi           %uhi(_PAGE_VALID), REG;                            \
-        .previous;                                                         \
-        sllx            REG, 32, REG;                                      \
-661:    or              REG, _PAGE_CP_4U|_PAGE_CV_4U, REG;                 \
-        .section        .sun4v_1insn_patch, "ax";                          \
-        .word           661b;                                              \
-        or              REG, _PAGE_CP_4V|_PAGE_CV_4V|_PAGE_SZHUGE_4V, REG; \
-        .previous;
-
-        /* PMD has been loaded into REG1, interpret the value, seeing
-         * if it is a HUGE PMD or a normal one.  If it is not valid
-         * then jump to FAIL_LABEL.  If it is a HUGE PMD, and it
-         * translates to a valid PTE, branch to PTE_LABEL.
-         *
-         * We translate the PMD by hand, one bit at a time,
-         * constructing the huge PTE.
-         *
-         * So we construct the PTE in REG2 as follows:
-         *
-         * 1) Extract the PMD PFN from REG1 and place it into REG2.
-         *
-         * 2) Translate PMD protection bits in REG1 into REG2, one bit
-         *    at a time using andcc tests on REG1 and OR's into REG2.
-         *
-         *    Only two bits to be concerned with here, EXEC and WRITE.
-         *    Now REG1 is freed up and we can use it as a temporary.
-         *
-         * 3) Construct the VALID, CACHE, and page size PTE bits in
-         *    REG1, OR with REG2 to form final PTE.
-         */
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-#define USER_PGTABLE_CHECK_PMD_HUGE(VADDR, REG1, REG2, FAIL_LABEL, PTE_LABEL) \
-        brz,pn          REG1, FAIL_LABEL;                                     \
-         andcc          REG1, PMD_ISHUGE, %g0;                                \
-        be,pt           %xcc, 700f;                                           \
-         and            REG1, PMD_HUGE_PRESENT|PMD_HUGE_ACCESSED, REG2;       \
-        cmp             REG2, PMD_HUGE_PRESENT|PMD_HUGE_ACCESSED;             \
-        bne,pn          %xcc, FAIL_LABEL;                                     \
-         andn           REG1, PMD_HUGE_PROTBITS, REG2;                        \
-        sllx            REG2, PMD_PADDR_SHIFT, REG2;                          \
-        /* REG2 now holds PFN << PAGE_SHIFT */                                \
-        andcc           REG1, PMD_HUGE_EXEC, %g0;                             \
-        bne,a,pt        %xcc, 1f;                                             \
-         OR_PTE_BIT(REG2, EXEC);                                              \
-1:      andcc           REG1, PMD_HUGE_WRITE, %g0;                            \
-        bne,a,pt        %xcc, 1f;                                             \
-         OR_PTE_BIT(REG2, W);                                                 \
-        /* REG1 can now be clobbered, build final PTE */                      \
-1:      BUILD_PTE_VALID_SZHUGE_CACHE(REG1);                                   \
-        ba,pt           %xcc, PTE_LABEL;                                      \
-         or             REG1, REG2, REG1;                                     \
-700:
-#else
-#define USER_PGTABLE_CHECK_PMD_HUGE(VADDR, REG1, REG2, FAIL_LABEL, PTE_LABEL) \
-        brz,pn          REG1, FAIL_LABEL; \
-         nop;
-#endif
-
-        /* Do a user page table walk in MMU globals.  Leaves final,
-         * valid, PTE value in REG1.  Jumps to FAIL_LABEL on early
-         * page table walk termination or if the PTE is not valid.
-         *
-         * Physical base of page tables is in PHYS_PGD which will not
-         * be modified.
+        /* Do a user page table walk in MMU globals.  Leaves physical PTE
+         * pointer in REG1.  Jumps to FAIL_LABEL on early page table walk
+         * termination.  Physical base of page tables is in PHYS_PGD which
+         * will not be modified.
          *
          * VADDR will not be clobbered, but REG1 and REG2 will.
          */
@@ -248,19 +172,15 @@ extern struct tsb_phys_patch_entry __tsb_phys_patch, __tsb_phys_patch_end;
         brz,pn          REG1, FAIL_LABEL; \
          sllx           VADDR, 64 - (PMD_SHIFT + PMD_BITS), REG2; \
         srlx            REG2, 64 - PAGE_SHIFT, REG2; \
-        sllx            REG1, PGD_PADDR_SHIFT, REG1; \
+        sllx            REG1, 11, REG1; \
         andn            REG2, 0x3, REG2; \
         lduwa           [REG1 + REG2] ASI_PHYS_USE_EC, REG1; \
-        USER_PGTABLE_CHECK_PMD_HUGE(VADDR, REG1, REG2, FAIL_LABEL, 800f) \
-        sllx            VADDR, 64 - PMD_SHIFT, REG2; \
-        srlx            REG2, 64 - (PAGE_SHIFT - 1), REG2; \
-        sllx            REG1, PMD_PADDR_SHIFT, REG1; \
+        brz,pn          REG1, FAIL_LABEL; \
+         sllx           VADDR, 64 - PMD_SHIFT, REG2; \
+        srlx            REG2, 64 - PAGE_SHIFT, REG2; \
+        sllx            REG1, 11, REG1; \
         andn            REG2, 0x7, REG2; \
-        add             REG1, REG2, REG1; \
-        ldxa            [REG1] ASI_PHYS_USE_EC, REG1; \
-        brgez,pn        REG1, FAIL_LABEL; \
-         nop; \
-800:
+        add             REG1, REG2, REG1;
 
 /* Lookup a OBP mapping on VADDR in the prom_trans[] table at TL>0.
  * If no entry is found, FAIL_LABEL will be branched to.  On success
diff --git a/arch/sparc/include/asm/ttable.h b/arch/sparc/include/asm/ttable.h
index 71b5a67522a..48f2807d326 100644
--- a/arch/sparc/include/asm/ttable.h
+++ b/arch/sparc/include/asm/ttable.h
@@ -372,9 +372,7 @@ etrap_spill_fixup_64bit:				\
 
 /* Normal 32bit spill */
 #define SPILL_2_GENERIC(ASI)                            \
-        and     %sp, 1, %g3;                            \
-        brnz,pn %g3, (. - (128 + 4));                   \
-         srl    %sp, 0, %sp;                            \
+        srl     %sp, 0, %sp;                            \
         stwa    %l0, [%sp + %g0] ASI;                   \
         mov     0x04, %g3;                              \
         stwa    %l1, [%sp + %g3] ASI;                   \
@@ -400,16 +398,14 @@ etrap_spill_fixup_64bit:				\
         stwa    %i6, [%g1 + %g0] ASI;                   \
         stwa    %i7, [%g1 + %g3] ASI;                   \
         saved;                                          \
-        retry;                                          \
+        retry; nop; nop;                                \
         b,a,pt  %xcc, spill_fixup_dax;                  \
         b,a,pt  %xcc, spill_fixup_mna;                  \
         b,a,pt  %xcc, spill_fixup;
 
 #define SPILL_2_GENERIC_ETRAP           \
 etrap_user_spill_32bit:                 \
-        and     %sp, 1, %g3;            \
-        brnz,pn %g3, etrap_user_spill_64bit;    \
-         srl    %sp, 0, %sp;            \
+        srl     %sp, 0, %sp;            \
         stwa    %l0, [%sp + 0x00] %asi; \
         stwa    %l1, [%sp + 0x04] %asi; \
         stwa    %l2, [%sp + 0x08] %asi; \
@@ -431,7 +427,7 @@ etrap_user_spill_32bit:			\
         ba,pt   %xcc, etrap_save;       \
          wrpr   %g1, %cwp;              \
         nop; nop; nop; nop;             \
-        nop; nop;                       \
+        nop; nop; nop; nop;             \
         ba,a,pt %xcc, etrap_spill_fixup_32bit; \
         ba,a,pt %xcc, etrap_spill_fixup_32bit; \
         ba,a,pt %xcc, etrap_spill_fixup_32bit;
@@ -596,9 +592,7 @@ user_rtt_fill_64bit:					\
 
 /* Normal 32bit fill */
 #define FILL_2_GENERIC(ASI)                             \
-        and     %sp, 1, %g3;                            \
-        brnz,pn %g3, (. - (128 + 4));                   \
-         srl    %sp, 0, %sp;                            \
+        srl     %sp, 0, %sp;                            \
         lduwa   [%sp + %g0] ASI, %l0;                   \
         mov     0x04, %g2;                              \
         mov     0x08, %g3;                              \
@@ -622,16 +616,14 @@ user_rtt_fill_64bit:					\
         lduwa   [%g1 + %g3] ASI, %i6;                   \
         lduwa   [%g1 + %g5] ASI, %i7;                   \
         restored;                                       \
-        retry; nop; nop;                                \
+        retry; nop; nop; nop; nop;                      \
         b,a,pt  %xcc, fill_fixup_dax;                   \
         b,a,pt  %xcc, fill_fixup_mna;                   \
         b,a,pt  %xcc, fill_fixup;
 
 #define FILL_2_GENERIC_RTRAP                            \
 user_rtt_fill_32bit:                                    \
-        and     %sp, 1, %g3;                            \
-        brnz,pn %g3, user_rtt_fill_64bit;               \
-         srl    %sp, 0, %sp;                            \
+        srl     %sp, 0, %sp;                            \
         lduwa   [%sp + 0x00] %asi, %l0;                 \
         lduwa   [%sp + 0x04] %asi, %l1;                 \
         lduwa   [%sp + 0x08] %asi, %l2;                 \
@@ -651,7 +643,7 @@ user_rtt_fill_32bit:					\
         ba,pt   %xcc, user_rtt_pre_restore;             \
          restored;                                      \
         nop; nop; nop; nop; nop;                        \
-        nop; nop; nop;                                  \
+        nop; nop; nop; nop; nop;                        \
         ba,a,pt %xcc, user_rtt_fill_fixup;              \
         ba,a,pt %xcc, user_rtt_fill_fixup;              \
         ba,a,pt %xcc, user_rtt_fill_fixup;
diff --git a/arch/sparc/include/asm/uaccess.h b/arch/sparc/include/asm/uaccess.h
index 0167d26d0d1..e88fbe5c045 100644
--- a/arch/sparc/include/asm/uaccess.h
+++ b/arch/sparc/include/asm/uaccess.h
@@ -5,10 +5,4 @@
 #else
 #include <asm/uaccess_32.h>
 #endif
-
-#define user_addr_max() \
-        (segment_eq(get_fs(), USER_DS) ? TASK_SIZE : ~0UL)
-
-extern long strncpy_from_user(char *dest, const char __user *src, long count);
-
 #endif
diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h
index 53a28dd59f5..8303ac48103 100644
--- a/arch/sparc/include/asm/uaccess_32.h
+++ b/arch/sparc/include/asm/uaccess_32.h
@@ -12,12 +12,11 @@
 #include <linux/sched.h>
 #include <linux/string.h>
 #include <linux/errno.h>
+#include <asm/vac-ops.h>
 #endif
 
 #ifndef __ASSEMBLY__
 
-#include <asm/processor.h>
-
 #define ARCH_HAS_SORT_EXTABLE
 #define ARCH_HAS_SEARCH_EXTABLE
 
@@ -306,8 +305,34 @@ static inline unsigned long clear_user(void __user *addr, unsigned long n)
                 return n;
 }
 
-extern __must_check long strlen_user(const char __user *str);
-extern __must_check long strnlen_user(const char __user *str, long n);
+extern long __strncpy_from_user(char *dest, const char __user *src, long count);
+
+static inline long strncpy_from_user(char *dest, const char __user *src, long count)
+{
+        if (__access_ok((unsigned long) src, count))
+                return __strncpy_from_user(dest, src, count);
+        else
+                return -EFAULT;
+}
+
+extern long __strlen_user(const char __user *);
+extern long __strnlen_user(const char __user *, long len);
+
+static inline long strlen_user(const char __user *str)
+{
+        if (!access_ok(VERIFY_READ, str, 0))
+                return 0;
+        else
+                return __strlen_user(str);
+}
+
+static inline long strnlen_user(const char __user *str, long len)
+{
+        if (!access_ok(VERIFY_READ, str, 0))
+                return 0;
+        else
+                return __strnlen_user(str, len);
+}
 
 #endif  /* __ASSEMBLY__ */
 
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
index e562d3caee5..3e1449f0779 100644
--- a/arch/sparc/include/asm/uaccess_64.h
+++ b/arch/sparc/include/asm/uaccess_64.h
@@ -11,14 +11,13 @@
 #include <linux/string.h>
 #include <linux/thread_info.h>
 #include <asm/asi.h>
+#include <asm/system.h>
 #include <asm/spitfire.h>
 #include <asm-generic/uaccess-unaligned.h>
 #endif
 
 #ifndef __ASSEMBLY__
 
-#include <asm/processor.h>
-
 /*
  * Sparc64 is segmented, though more like the M68K than the I386.
  * We use the secondary ASI to address user memory, which references a
@@ -38,14 +37,14 @@
 #define VERIFY_READ     0
 #define VERIFY_WRITE    1
 
-#define get_fs() ((mm_segment_t){(current_thread_info()->current_ds)})
+#define get_fs() ((mm_segment_t) { get_thread_current_ds() })
 #define get_ds() (KERNEL_DS)
 
 #define segment_eq(a,b)  ((a).seg == (b).seg)
 
 #define set_fs(val)                                                             \
 do {                                                                            \
-        current_thread_info()->current_ds =(val).seg;                           \
+        set_thread_current_ds((val).seg);                                       \
         __asm__ __volatile__ ("wr %%g0, %0, %%asi" : : "r" ((val).seg));        \
 } while(0)
 
@@ -259,17 +258,18 @@ extern unsigned long __must_check __clear_user(void __user *, unsigned long);
 
 #define clear_user __clear_user
 
-extern __must_check long strlen_user(const char __user *str);
-extern __must_check long strnlen_user(const char __user *str, long n);
+extern long __must_check __strncpy_from_user(char *dest, const char __user *src, long count);
+
+#define strncpy_from_user __strncpy_from_user
 
+extern long __strlen_user(const char __user *);
+extern long __strnlen_user(const char __user *, long len);
+
+#define strlen_user __strlen_user
+#define strnlen_user __strnlen_user
 #define __copy_to_user_inatomic ___copy_to_user
 #define __copy_from_user_inatomic ___copy_from_user
 
-struct pt_regs;
-extern unsigned long compute_effective_address(struct pt_regs *,
-                                               unsigned int insn,
-                                               unsigned int rd);
-
 #endif  /* __ASSEMBLY__ */
 
 #endif /* _ASM_UACCESS_H */
diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h
index 87ce24c5eb9..6260d5deeab 100644
--- a/arch/sparc/include/asm/unistd.h
+++ b/arch/sparc/include/asm/unistd.h
@@ -1,3 +1,6 @@
+#ifndef _SPARC_UNISTD_H
+#define _SPARC_UNISTD_H
+
 /*
  * System calls under the Sparc.
  *
@@ -11,15 +14,414 @@
  *
  * Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu)
  */
-#ifndef _SPARC_UNISTD_H
-#define _SPARC_UNISTD_H
-
-#include <uapi/asm/unistd.h>
+#ifndef __32bit_syscall_numbers__
+#ifndef __arch64__
+#define __32bit_syscall_numbers__
+#endif
+#endif
 
+#define __NR_restart_syscall      0 /* Linux Specific                              */
+#define __NR_exit                 1 /* Common                                      */
+#define __NR_fork                 2 /* Common                                      */
+#define __NR_read                 3 /* Common                                      */
+#define __NR_write                4 /* Common                                      */
+#define __NR_open                 5 /* Common                                      */
+#define __NR_close                6 /* Common                                      */
+#define __NR_wait4                7 /* Common                                      */
+#define __NR_creat                8 /* Common                                      */
+#define __NR_link                 9 /* Common                                      */
+#define __NR_unlink              10 /* Common                                      */
+#define __NR_execv               11 /* SunOS Specific                              */
+#define __NR_chdir               12 /* Common                                      */
+#define __NR_chown               13 /* Common                                      */
+#define __NR_mknod               14 /* Common                                      */
+#define __NR_chmod               15 /* Common                                      */
+#define __NR_lchown              16 /* Common                                      */
+#define __NR_brk                 17 /* Common                                      */
+#define __NR_perfctr             18 /* Performance counter operations              */
+#define __NR_lseek               19 /* Common                                      */
+#define __NR_getpid              20 /* Common                                      */
+#define __NR_capget              21 /* Linux Specific                              */
+#define __NR_capset              22 /* Linux Specific                              */
+#define __NR_setuid              23 /* Implemented via setreuid in SunOS           */
+#define __NR_getuid              24 /* Common                                      */
+#define __NR_vmsplice            25 /* ENOSYS under SunOS                          */
+#define __NR_ptrace              26 /* Common                                      */
+#define __NR_alarm               27 /* Implemented via setitimer in SunOS          */
+#define __NR_sigaltstack         28 /* Common                                      */
+#define __NR_pause               29 /* Is sigblock(0)->sigpause() in SunOS         */
+#define __NR_utime               30 /* Implemented via utimes() under SunOS        */
+#ifdef __32bit_syscall_numbers__
+#define __NR_lchown32            31 /* Linux sparc32 specific                      */
+#define __NR_fchown32            32 /* Linux sparc32 specific                      */
+#endif
+#define __NR_access              33 /* Common                                      */
+#define __NR_nice                34 /* Implemented via get/setpriority() in SunOS  */
+#ifdef __32bit_syscall_numbers__
+#define __NR_chown32             35 /* Linux sparc32 specific                      */
+#endif
+#define __NR_sync                36 /* Common                                      */
+#define __NR_kill                37 /* Common                                      */
+#define __NR_stat                38 /* Common                                      */
+#define __NR_sendfile            39 /* Linux Specific                              */
+#define __NR_lstat               40 /* Common                                      */
+#define __NR_dup                 41 /* Common                                      */
+#define __NR_pipe                42 /* Common                                      */
+#define __NR_times               43 /* Implemented via getrusage() in SunOS        */
+#ifdef __32bit_syscall_numbers__
+#define __NR_getuid32            44 /* Linux sparc32 specific                      */
+#endif
+#define __NR_umount2             45 /* Linux Specific                              */
+#define __NR_setgid              46 /* Implemented via setregid() in SunOS         */
+#define __NR_getgid              47 /* Common                                      */
+#define __NR_signal              48 /* Implemented via sigvec() in SunOS           */
+#define __NR_geteuid             49 /* SunOS calls getuid()                        */
+#define __NR_getegid             50 /* SunOS calls getgid()                        */
+#define __NR_acct                51 /* Common                                      */
+#ifdef __32bit_syscall_numbers__
+#define __NR_getgid32            53 /* Linux sparc32 specific                      */
+#else
+#define __NR_memory_ordering     52 /* Linux Specific                              */
+#endif
+#define __NR_ioctl               54 /* Common                                      */
+#define __NR_reboot              55 /* Common                                      */
+#ifdef __32bit_syscall_numbers__
+#define __NR_mmap2               56 /* Linux sparc32 Specific                      */
+#endif
+#define __NR_symlink             57 /* Common                                      */
+#define __NR_readlink            58 /* Common                                      */
+#define __NR_execve              59 /* Common                                      */
+#define __NR_umask               60 /* Common                                      */
+#define __NR_chroot              61 /* Common                                      */
+#define __NR_fstat               62 /* Common                                      */
+#define __NR_fstat64             63 /* Linux Specific                              */
+#define __NR_getpagesize         64 /* Common                                      */
+#define __NR_msync               65 /* Common in newer 1.3.x revs...               */
+#define __NR_vfork               66 /* Common                                      */
+#define __NR_pread64             67 /* Linux Specific                              */
+#define __NR_pwrite64            68 /* Linux Specific                              */
+#ifdef __32bit_syscall_numbers__
+#define __NR_geteuid32           69 /* Linux sparc32, sbrk under SunOS             */
+#define __NR_getegid32           70 /* Linux sparc32, sstk under SunOS             */
+#endif
+#define __NR_mmap                71 /* Common                                      */
+#ifdef __32bit_syscall_numbers__
+#define __NR_setreuid32          72 /* Linux sparc32, vadvise under SunOS          */
+#endif
+#define __NR_munmap              73 /* Common                                      */
+#define __NR_mprotect            74 /* Common                                      */
+#define __NR_madvise             75 /* Common                                      */
+#define __NR_vhangup             76 /* Common                                      */
+#ifdef __32bit_syscall_numbers__
+#define __NR_truncate64          77 /* Linux sparc32 Specific                      */
+#endif
+#define __NR_mincore             78 /* Common                                      */
+#define __NR_getgroups           79 /* Common                                      */
+#define __NR_setgroups           80 /* Common                                      */
+#define __NR_getpgrp             81 /* Common                                      */
+#ifdef __32bit_syscall_numbers__
+#define __NR_setgroups32         82 /* Linux sparc32, setpgrp under SunOS          */
+#endif
+#define __NR_setitimer           83 /* Common                                      */
+#ifdef __32bit_syscall_numbers__
+#define __NR_ftruncate64         84 /* Linux sparc32 Specific                      */
+#endif
+#define __NR_swapon              85 /* Common                                      */
+#define __NR_getitimer           86 /* Common                                      */
+#ifdef __32bit_syscall_numbers__
+#define __NR_setuid32            87 /* Linux sparc32, gethostname under SunOS      */
+#endif
+#define __NR_sethostname         88 /* Common                                      */
+#ifdef __32bit_syscall_numbers__
+#define __NR_setgid32            89 /* Linux sparc32, getdtablesize under SunOS    */
+#endif
+#define __NR_dup2                90 /* Common                                      */
+#ifdef __32bit_syscall_numbers__
+#define __NR_setfsuid32          91 /* Linux sparc32, getdopt under SunOS          */
+#endif
+#define __NR_fcntl               92 /* Common                                      */
+#define __NR_select              93 /* Common                                      */
+#ifdef __32bit_syscall_numbers__
+#define __NR_setfsgid32          94 /* Linux sparc32, setdopt under SunOS          */
+#endif
+#define __NR_fsync               95 /* Common                                      */
+#define __NR_setpriority         96 /* Common                                      */
+#define __NR_socket              97 /* Common                                      */
+#define __NR_connect             98 /* Common                                      */
+#define __NR_accept              99 /* Common                                      */
+#define __NR_getpriority        100 /* Common                                      */
+#define __NR_rt_sigreturn       101 /* Linux Specific                              */
+#define __NR_rt_sigaction       102 /* Linux Specific                              */
+#define __NR_rt_sigprocmask     103 /* Linux Specific                              */
+#define __NR_rt_sigpending      104 /* Linux Specific                              */
+#define __NR_rt_sigtimedwait    105 /* Linux Specific                              */
+#define __NR_rt_sigqueueinfo    106 /* Linux Specific                              */
+#define __NR_rt_sigsuspend      107 /* Linux Specific                              */
+#ifdef __32bit_syscall_numbers__
+#define __NR_setresuid32        108 /* Linux Specific, sigvec under SunOS          */
+#define __NR_getresuid32        109 /* Linux Specific, sigblock under SunOS        */
+#define __NR_setresgid32        110 /* Linux Specific, sigsetmask under SunOS      */
+#define __NR_getresgid32        111 /* Linux Specific, sigpause under SunOS        */
+#define __NR_setregid32         112 /* Linux sparc32, sigstack under SunOS         */
+#else
+#define __NR_setresuid          108 /* Linux Specific, sigvec under SunOS          */
+#define __NR_getresuid          109 /* Linux Specific, sigblock under SunOS        */
+#define __NR_setresgid          110 /* Linux Specific, sigsetmask under SunOS      */
+#define __NR_getresgid          111 /* Linux Specific, sigpause under SunOS        */
+#endif
+#define __NR_recvmsg            113 /* Common                                      */
+#define __NR_sendmsg            114 /* Common                                      */
+#ifdef __32bit_syscall_numbers__
+#define __NR_getgroups32        115 /* Linux sparc32, vtrace under SunOS           */
+#endif
+#define __NR_gettimeofday       116 /* Common                                      */
+#define __NR_getrusage          117 /* Common                                      */
+#define __NR_getsockopt         118 /* Common                                      */
+#define __NR_getcwd             119 /* Linux Specific                              */
+#define __NR_readv              120 /* Common                                      */
+#define __NR_writev             121 /* Common                                      */
+#define __NR_settimeofday       122 /* Common                                      */
+#define __NR_fchown             123 /* Common                                      */
+#define __NR_fchmod             124 /* Common                                      */
+#define __NR_recvfrom           125 /* Common                                      */
+#define __NR_setreuid           126 /* Common                                      */
+#define __NR_setregid           127 /* Common                                      */
+#define __NR_rename             128 /* Common                                      */
+#define __NR_truncate           129 /* Common                                      */
+#define __NR_ftruncate          130 /* Common                                      */
+#define __NR_flock              131 /* Common                                      */
+#define __NR_lstat64            132 /* Linux Specific                              */
+#define __NR_sendto             133 /* Common                                      */
+#define __NR_shutdown           134 /* Common                                      */
+#define __NR_socketpair         135 /* Common                                      */
+#define __NR_mkdir              136 /* Common                                      */
+#define __NR_rmdir              137 /* Common                                      */
+#define __NR_utimes             138 /* SunOS Specific                              */
+#define __NR_stat64             139 /* Linux Specific                              */
+#define __NR_sendfile64         140 /* adjtime under SunOS                         */
+#define __NR_getpeername        141 /* Common                                      */
+#define __NR_futex              142 /* gethostid under SunOS                       */
+#define __NR_gettid             143 /* ENOSYS under SunOS                          */
+#define __NR_getrlimit          144 /* Common                                      */
+#define __NR_setrlimit          145 /* Common                                      */
+#define __NR_pivot_root         146 /* Linux Specific, killpg under SunOS          */
+#define __NR_prctl              147 /* ENOSYS under SunOS                          */
+#define __NR_pciconfig_read     148 /* ENOSYS under SunOS                          */
+#define __NR_pciconfig_write    149 /* ENOSYS under SunOS                          */
+#define __NR_getsockname        150 /* Common                                      */
+#define __NR_inotify_init       151 /* Linux specific                              */
+#define __NR_inotify_add_watch  152 /* Linux specific                              */
+#define __NR_poll               153 /* Common                                      */
+#define __NR_getdents64         154 /* Linux specific                              */
 #ifdef __32bit_syscall_numbers__
+#define __NR_fcntl64            155 /* Linux sparc32 Specific                      */
+#endif
+#define __NR_inotify_rm_watch   156 /* Linux specific                              */
+#define __NR_statfs             157 /* Common                                      */
+#define __NR_fstatfs            158 /* Common                                      */
+#define __NR_umount             159 /* Common                                      */
+#define __NR_sched_set_affinity 160 /* Linux specific, async_daemon under SunOS    */
+#define __NR_sched_get_affinity 161 /* Linux specific, getfh under SunOS           */
+#define __NR_getdomainname      162 /* SunOS Specific                              */
+#define __NR_setdomainname      163 /* Common                                      */
+#ifndef __32bit_syscall_numbers__
+#define __NR_utrap_install      164 /* SYSV ABI/v9 required                        */
+#endif
+#define __NR_quotactl           165 /* Common                                      */
+#define __NR_set_tid_address    166 /* Linux specific, exportfs under SunOS        */
+#define __NR_mount              167 /* Common                                      */
+#define __NR_ustat              168 /* Common                                      */
+#define __NR_setxattr           169 /* SunOS: semsys                               */
+#define __NR_lsetxattr          170 /* SunOS: msgsys                               */
+#define __NR_fsetxattr          171 /* SunOS: shmsys                               */
+#define __NR_getxattr           172 /* SunOS: auditsys                             */
+#define __NR_lgetxattr          173 /* SunOS: rfssys                               */
+#define __NR_getdents           174 /* Common                                      */
+#define __NR_setsid             175 /* Common                                      */
+#define __NR_fchdir             176 /* Common                                      */
+#define __NR_fgetxattr          177 /* SunOS: fchroot                              */
+#define __NR_listxattr          178 /* SunOS: vpixsys                              */
+#define __NR_llistxattr         179 /* SunOS: aioread                              */
+#define __NR_flistxattr         180 /* SunOS: aiowrite                             */
+#define __NR_removexattr        181 /* SunOS: aiowait                              */
+#define __NR_lremovexattr       182 /* SunOS: aiocancel                            */
+#define __NR_sigpending         183 /* Common                                      */
+#define __NR_query_module       184 /* Linux Specific                              */
+#define __NR_setpgid            185 /* Common                                      */
+#define __NR_fremovexattr       186 /* SunOS: pathconf                             */
+#define __NR_tkill              187 /* SunOS: fpathconf                            */
+#define __NR_exit_group         188 /* Linux specific, sysconf undef SunOS         */
+#define __NR_uname              189 /* Linux Specific                              */
+#define __NR_init_module        190 /* Linux Specific                              */
+#define __NR_personality        191 /* Linux Specific                              */
+#define __NR_remap_file_pages   192 /* Linux Specific                              */
+#define __NR_epoll_create       193 /* Linux Specific                              */
+#define __NR_epoll_ctl          194 /* Linux Specific                              */
+#define __NR_epoll_wait         195 /* Linux Specific                              */
+#define __NR_ioprio_set         196 /* Linux Specific                              */
+#define __NR_getppid            197 /* Linux Specific                              */
+#define __NR_sigaction          198 /* Linux Specific                              */
+#define __NR_sgetmask           199 /* Linux Specific                              */
+#define __NR_ssetmask           200 /* Linux Specific                              */
+#define __NR_sigsuspend         201 /* Linux Specific                              */
+#define __NR_oldlstat           202 /* Linux Specific                              */
+#define __NR_uselib             203 /* Linux Specific                              */
+#define __NR_readdir            204 /* Linux Specific                              */
+#define __NR_readahead          205 /* Linux Specific                              */
+#define __NR_socketcall         206 /* Linux Specific                              */
+#define __NR_syslog             207 /* Linux Specific                              */
+#define __NR_lookup_dcookie     208 /* Linux Specific                              */
+#define __NR_fadvise64          209 /* Linux Specific                              */
+#define __NR_fadvise64_64       210 /* Linux Specific                              */
+#define __NR_tgkill             211 /* Linux Specific                              */
+#define __NR_waitpid            212 /* Linux Specific                              */
+#define __NR_swapoff            213 /* Linux Specific                              */
+#define __NR_sysinfo            214 /* Linux Specific                              */
+#define __NR_ipc                215 /* Linux Specific                              */
+#define __NR_sigreturn          216 /* Linux Specific                              */
+#define __NR_clone              217 /* Linux Specific                              */
+#define __NR_ioprio_get         218 /* Linux Specific                              */
+#define __NR_adjtimex           219 /* Linux Specific                              */
+#define __NR_sigprocmask        220 /* Linux Specific                              */
+#define __NR_create_module      221 /* Linux Specific                              */
+#define __NR_delete_module      222 /* Linux Specific                              */
+#define __NR_get_kernel_syms    223 /* Linux Specific                              */
+#define __NR_getpgid            224 /* Linux Specific                              */
+#define __NR_bdflush            225 /* Linux Specific                              */
+#define __NR_sysfs              226 /* Linux Specific                              */
+#define __NR_afs_syscall        227 /* Linux Specific                              */
+#define __NR_setfsuid           228 /* Linux Specific                              */
+#define __NR_setfsgid           229 /* Linux Specific                              */
+#define __NR__newselect         230 /* Linux Specific                              */
+#ifdef __32bit_syscall_numbers__
+#define __NR_time               231 /* Linux Specific                              */
 #else
+#ifdef __KERNEL__
 #define __NR_time               231 /* Linux sparc32                               */
 #endif
+#endif
+#define __NR_splice             232 /* Linux Specific                              */
+#define __NR_stime              233 /* Linux Specific                              */
+#define __NR_statfs64           234 /* Linux Specific                              */
+#define __NR_fstatfs64          235 /* Linux Specific                              */
+#define __NR__llseek            236 /* Linux Specific                              */
+#define __NR_mlock              237
+#define __NR_munlock            238
+#define __NR_mlockall           239
+#define __NR_munlockall         240
+#define __NR_sched_setparam     241
+#define __NR_sched_getparam     242
+#define __NR_sched_setscheduler 243
+#define __NR_sched_getscheduler 244
+#define __NR_sched_yield        245
+#define __NR_sched_get_priority_max 246
+#define __NR_sched_get_priority_min 247
+#define __NR_sched_rr_get_interval  248
+#define __NR_nanosleep          249
+#define __NR_mremap             250
+#define __NR__sysctl            251
+#define __NR_getsid             252
+#define __NR_fdatasync          253
+#define __NR_nfsservctl         254
+#define __NR_sync_file_range    255
+#define __NR_clock_settime      256
+#define __NR_clock_gettime      257
+#define __NR_clock_getres       258
+#define __NR_clock_nanosleep    259
+#define __NR_sched_getaffinity  260
+#define __NR_sched_setaffinity  261
+#define __NR_timer_settime      262
+#define __NR_timer_gettime      263
+#define __NR_timer_getoverrun   264
+#define __NR_timer_delete       265
+#define __NR_timer_create       266
+/* #define __NR_vserver         267 Reserved for VSERVER */
+#define __NR_io_setup           268
+#define __NR_io_destroy         269
+#define __NR_io_submit          270
+#define __NR_io_cancel          271
+#define __NR_io_getevents       272
+#define __NR_mq_open            273
+#define __NR_mq_unlink          274
+#define __NR_mq_timedsend       275
+#define __NR_mq_timedreceive    276
+#define __NR_mq_notify          277
+#define __NR_mq_getsetattr      278
+#define __NR_waitid             279
+#define __NR_tee                280
+#define __NR_add_key            281
+#define __NR_request_key        282
+#define __NR_keyctl             283
+#define __NR_openat             284
+#define __NR_mkdirat            285
+#define __NR_mknodat            286
+#define __NR_fchownat           287
+#define __NR_futimesat          288
+#define __NR_fstatat64          289
+#define __NR_unlinkat           290
+#define __NR_renameat           291
+#define __NR_linkat             292
+#define __NR_symlinkat          293
+#define __NR_readlinkat         294
+#define __NR_fchmodat           295
+#define __NR_faccessat          296
+#define __NR_pselect6           297
+#define __NR_ppoll              298
+#define __NR_unshare            299
+#define __NR_set_robust_list    300
+#define __NR_get_robust_list    301
+#define __NR_migrate_pages      302
+#define __NR_mbind              303
+#define __NR_get_mempolicy      304
+#define __NR_set_mempolicy      305
+#define __NR_kexec_load         306
+#define __NR_move_pages         307
+#define __NR_getcpu             308
+#define __NR_epoll_pwait        309
+#define __NR_utimensat          310
+#define __NR_signalfd           311
+#define __NR_timerfd_create     312
+#define __NR_eventfd            313
+#define __NR_fallocate          314
+#define __NR_timerfd_settime    315
+#define __NR_timerfd_gettime    316
+#define __NR_signalfd4          317
+#define __NR_eventfd2           318
+#define __NR_epoll_create1      319
+#define __NR_dup3               320
+#define __NR_pipe2              321
+#define __NR_inotify_init1      322
+#define __NR_accept4            323
+#define __NR_preadv             324
+#define __NR_pwritev            325
+#define __NR_rt_tgsigqueueinfo  326
+#define __NR_perf_event_open    327
+#define __NR_recvmmsg           328
+#define __NR_fanotify_init      329
+#define __NR_fanotify_mark      330
+#define __NR_prlimit64          331
+#define __NR_name_to_handle_at  332
+#define __NR_open_by_handle_at  333
+#define __NR_clock_adjtime      334
+#define __NR_syncfs             335
+#define __NR_sendmmsg           336
+#define __NR_setns              337
+
+#define NR_syscalls             338
+
+#ifdef __32bit_syscall_numbers__
+/* Sparc 32-bit only has the "setresuid32", "getresuid32" variants,
+ * it never had the plain ones and there is no value to adding those
+ * old versions into the syscall table.
+ */
+#define __IGNORE_setresuid
+#define __IGNORE_getresuid
+#define __IGNORE_setresgid
+#define __IGNORE_getresgid
+#endif
+
+#ifdef __KERNEL__
+#define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
@@ -44,8 +446,6 @@
 #else
 #define __ARCH_WANT_COMPAT_SYS_TIME
 #define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
-#define __ARCH_WANT_COMPAT_SYS_SENDFILE
-#define __ARCH_WANT_COMPAT_SYS_SCHED_RR_GET_INTERVAL
 #endif
 
 /*
@@ -56,4 +456,5 @@
  */
 #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
 
+#endif /* __KERNEL__ */
 #endif /* _SPARC_UNISTD_H */
diff --git a/arch/sparc/include/asm/vaddrs.h b/arch/sparc/include/asm/vaddrs.h
index c3dbcf90203..541e13755ce 100644
--- a/arch/sparc/include/asm/vaddrs.h
+++ b/arch/sparc/include/asm/vaddrs.h
@@ -30,32 +30,26 @@
  */
 #define SRMMU_NOCACHE_ALCRATIO  64      /* 256 pages per 64MB of system RAM */
 
-#ifndef __ASSEMBLY__
-#include <asm/kmap_types.h>
-
-enum fixed_addresses {
-        FIX_HOLE,
-#ifdef CONFIG_HIGHMEM
-        FIX_KMAP_BEGIN,
-        FIX_KMAP_END = (KM_TYPE_NR * NR_CPUS),
-#endif
-        __end_of_fixed_addresses
-};
-#endif
-
-/* Leave one empty page between IO pages at 0xfd000000 and
- * the top of the fixmap.
- */
-#define FIXADDR_TOP             (0xfcfff000UL)
-#define FIXADDR_SIZE            ((FIX_KMAP_END + 1) << PAGE_SHIFT)
-#define FIXADDR_START           (FIXADDR_TOP - FIXADDR_SIZE)
-
-#define __fix_to_virt(x)        (FIXADDR_TOP - ((x) << PAGE_SHIFT))
-
 #define SUN4M_IOBASE_VADDR      0xfd000000 /* Base for mapping pages */
 #define IOBASE_VADDR            0xfe000000
 #define IOBASE_END              0xfe600000
 
+/*
+ * On the sun4/4c we need a place
+ * to reliably map locked down kernel data.  This includes the
+ * task_struct and kernel stack pages of each process plus the
+ * scsi buffers during dvma IO transfers, also the floppy buffers
+ * during pseudo dma which runs with traps off (no faults allowed).
+ * Some quick calculations yield:
+ *       NR_TASKS <512> * (3 * PAGE_SIZE) == 0x600000
+ * Subtract this from 0xc00000 and you get 0x927C0 of vm left
+ * over to map SCSI dvma + floppy pseudo-dma buffers.  So be
+ * careful if you change NR_TASKS or else there won't be enough
+ * room for it all.
+ */
+#define SUN4C_LOCK_VADDR        0xff000000
+#define SUN4C_LOCK_END          0xffc00000
+
 #define KADB_DEBUGGER_BEGVM     0xffc00000 /* Where kern debugger is in virt-mem */
 #define KADB_DEBUGGER_ENDVM     0xffd00000
 #define DEBUG_FIRSTVADDR        KADB_DEBUGGER_BEGVM
diff --git a/arch/sparc/include/asm/vga.h b/arch/sparc/include/asm/vga.h
index ec0e9967d93..c69d5b2ba19 100644
--- a/arch/sparc/include/asm/vga.h
+++ b/arch/sparc/include/asm/vga.h
@@ -7,7 +7,6 @@
 #ifndef _LINUX_ASM_VGA_H_
 #define _LINUX_ASM_VGA_H_
 
-#include <linux/bug.h>
 #include <asm/types.h>
 
 #define VT_BUF_HAVE_RW
diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h
index 432afa83886..9d83d3bcb49 100644
--- a/arch/sparc/include/asm/vio.h
+++ b/arch/sparc/include/asm/vio.h
@@ -284,7 +284,6 @@ struct vio_dev {
 };
 
 struct vio_driver {
-        const char                      *name;
         struct list_head                node;
         const struct vio_device_id      *id_table;
         int (*probe)(struct vio_dev *dev, const struct vio_device_id *id);
@@ -372,13 +371,7 @@ do {	if (vio->debug & VIO_DEBUG_##TYPE) \
                        vio->vdev->channel_id, ## a); \
 } while (0)
 
-extern int __vio_register_driver(struct vio_driver *drv, struct module *owner,
-                                 const char *mod_name);
-/*
- * vio_register_driver must be a macro so that KBUILD_MODNAME can be expanded
- */
-#define vio_register_driver(driver)             \
-        __vio_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
+extern int vio_register_driver(struct vio_driver *drv);
 extern void vio_unregister_driver(struct vio_driver *drv);
 
 static inline struct vio_driver *to_vio_driver(struct device_driver *drv)
diff --git a/arch/sparc/include/asm/winmacro.h b/arch/sparc/include/asm/winmacro.h
index 9b7b21764cd..a9be04b0d04 100644
--- a/arch/sparc/include/asm/winmacro.h
+++ b/arch/sparc/include/asm/winmacro.h
@@ -103,24 +103,37 @@
         st       %scratch, [%cur_reg + TI_W_SAVED];
 
 #ifdef CONFIG_SMP
-#define LOAD_CURRENT(dest_reg, idreg)                   \
-661:    rd      %tbr, %idreg;                           \
-        srl     %idreg, 10, %idreg;                     \
-        and     %idreg, 0xc, %idreg;                    \
-        .section        .cpuid_patch, "ax";             \
-        /* Instruction location. */                     \
-        .word           661b;                           \
-        /* SUN4D implementation. */                     \
-        lda      [%g0] ASI_M_VIKING_TMP1, %idreg;       \
-        sll      %idreg, 2, %idreg;                     \
-        nop;                                            \
-        /* LEON implementation. */                      \
-        rd      %asr17, %idreg;                         \
-        srl     %idreg, 0x1c, %idreg;                   \
-        sll     %idreg, 0x02, %idreg;                   \
-        .previous;                                      \
-        sethi    %hi(current_set), %dest_reg;           \
-        or       %dest_reg, %lo(current_set), %dest_reg;\
+/* Results of LOAD_CURRENT() after BTFIXUP for SUN4M, SUN4D & LEON (comments) */
+#define LOAD_CURRENT4M(dest_reg, idreg) \
+        rd       %tbr, %idreg; \
+        sethi    %hi(current_set), %dest_reg; \
+        srl      %idreg, 10, %idreg; \
+        or       %dest_reg, %lo(current_set), %dest_reg; \
+        and      %idreg, 0xc, %idreg; \
+        ld       [%idreg + %dest_reg], %dest_reg;
+
+#define LOAD_CURRENT4D(dest_reg, idreg) \
+        lda      [%g0] ASI_M_VIKING_TMP1, %idreg; \
+        sethi   %hi(C_LABEL(current_set)), %dest_reg; \
+        sll     %idreg, 2, %idreg; \
+        or      %dest_reg, %lo(C_LABEL(current_set)), %dest_reg; \
+        ld      [%idreg + %dest_reg], %dest_reg;
+
+#define LOAD_CURRENT_LEON(dest_reg, idreg)                      \
+        rd      %asr17, %idreg;                                 \
+        sethi   %hi(current_set), %dest_reg;                    \
+        srl     %idreg, 0x1c, %idreg;                           \
+        or      %dest_reg, %lo(current_set), %dest_reg;         \
+        sll     %idreg, 0x2, %idreg;                            \
+        ld      [%idreg + %dest_reg], %dest_reg;
+
+/* Blackbox - take care with this... - check smp4m and smp4d before changing this. */
+#define LOAD_CURRENT(dest_reg, idreg)                                   \
+        sethi    %hi(___b_load_current), %idreg;                        \
+        sethi    %hi(current_set), %dest_reg;                   \
+        sethi    %hi(boot_cpu_id4), %idreg;                     \
+        or       %dest_reg, %lo(current_set), %dest_reg;        \
+        ldub     [%idreg + %lo(boot_cpu_id4)], %idreg;          \
         ld       [%idreg + %dest_reg], %dest_reg;
 #else
 #define LOAD_CURRENT(dest_reg, idreg) \