14 files changed, 65 insertions, 61 deletions

diff --git a/include/asm-parisc/assembly.h b/include/asm-parisc/assembly.h
index 3ce3440d1b0c..1a7bfe699e0c 100644
--- a/include/asm-parisc/assembly.h
+++ b/include/asm-parisc/assembly.h
@@ -48,6 +48,7 @@
 #define CALLEE_SAVE_FRAME_SIZE (CALLEE_REG_FRAME_SIZE + CALLEE_FLOAT_FRAME_SIZE)
 
 #ifdef CONFIG_PA20
+#define LDCW            ldcw,co
 #define BL              b,l
 # ifdef CONFIG_64BIT
 #  define LEVEL         2.0w
@@ -55,6 +56,7 @@
 #  define LEVEL         2.0
 # endif
 #else
+#define LDCW            ldcw
 #define BL              bl
 #define LEVEL           1.1
 #endif
diff --git a/include/asm-parisc/compat.h b/include/asm-parisc/compat.h
index 289624d8b2d4..71b4eeea205a 100644
--- a/include/asm-parisc/compat.h
+++ b/include/asm-parisc/compat.h
@@ -5,6 +5,7 @@
  */
 #include <linux/types.h>
 #include <linux/sched.h>
+#include <linux/personality.h>
 
 #define COMPAT_USER_HZ 100
 
@@ -149,4 +150,14 @@ static __inline__ void __user *compat_alloc_user_space(long len)
         return (void __user *)regs->gr[30];
 }
 
+static inline int __is_compat_task(struct task_struct *t)
+{
+        return personality(t->personality) == PER_LINUX32;
+}
+
+static inline int is_compat_task(void)
+{
+        return __is_compat_task(current);
+}
+
 #endif /* _ASM_PARISC_COMPAT_H */
diff --git a/include/asm-parisc/floppy.h b/include/asm-parisc/floppy.h
index ca3aed768cdc..da2f9c157143 100644
--- a/include/asm-parisc/floppy.h
+++ b/include/asm-parisc/floppy.h
@@ -156,13 +156,11 @@ static int vdma_get_dma_residue(unsigned int dummy)
 static int fd_request_irq(void)
 {
         if(can_use_virtual_dma)
-                return request_irq(FLOPPY_IRQ, floppy_hardint,SA_INTERRUPT,
-                                                   "floppy", NULL);
+                return request_irq(FLOPPY_IRQ, floppy_hardint,
+                                   IRQF_DISABLED, "floppy", NULL);
         else
                 return request_irq(FLOPPY_IRQ, floppy_interrupt,
-                                                   SA_INTERRUPT|SA_SAMPLE_RANDOM,
-                                                   "floppy", NULL);     
-
+                                   IRQF_DISABLED, "floppy", NULL);
 }
 
 static unsigned long dma_mem_alloc(unsigned long size)
diff --git a/include/asm-parisc/hw_irq.h b/include/asm-parisc/hw_irq.h
index 151426e27521..6707f7df3921 100644
--- a/include/asm-parisc/hw_irq.h
+++ b/include/asm-parisc/hw_irq.h
@@ -3,15 +3,6 @@
 
 /*
  *      linux/include/asm/hw_irq.h
- *
- *      (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
- *
- *      moved some of the old arch/i386/kernel/irq.h to here. VY
- *
- *      IRQ/IPI changes taken from work by Thomas Radke
- *      <tomsoft@informatik.tu-chemnitz.de>
  */
 
-extern void hw_resend_irq(struct hw_interrupt_type *, unsigned int);
-
 #endif
diff --git a/include/asm-parisc/irq.h b/include/asm-parisc/irq.h
index 377ba90c7d02..5cae260615a2 100644
--- a/include/asm-parisc/irq.h
+++ b/include/asm-parisc/irq.h
@@ -26,11 +26,6 @@
 
 #define NR_IRQS         (CPU_IRQ_MAX + 1)
 
-/*
- * IRQ line status macro IRQ_PER_CPU is used
- */
-#define ARCH_HAS_IRQ_PER_CPU
-
 static __inline__ int irq_canonicalize(int irq)
 {
         return (irq == 2) ? 9 : irq;
diff --git a/include/asm-parisc/mmzone.h b/include/asm-parisc/mmzone.h
index ceb9b73199d1..c87813662d4d 100644
--- a/include/asm-parisc/mmzone.h
+++ b/include/asm-parisc/mmzone.h
@@ -14,11 +14,6 @@ extern struct node_map_data node_data[];
 
 #define NODE_DATA(nid)          (&node_data[nid].pg_data)
 
-/*
- * Given a kernel address, find the home node of the underlying memory.
- */
-#define kvaddr_to_nid(kaddr)    pfn_to_nid(__pa(kaddr) >> PAGE_SHIFT)
-
 #define node_start_pfn(nid)     (NODE_DATA(nid)->node_start_pfn)
 #define node_end_pfn(nid)                                               \
 ({                                                                      \
diff --git a/include/asm-parisc/pdc.h b/include/asm-parisc/pdc.h
index 08364f957e7a..c9b2e35326ee 100644
--- a/include/asm-parisc/pdc.h
+++ b/include/asm-parisc/pdc.h
@@ -278,12 +278,11 @@ typedef struct {
 /* constants for OS (NVM...) */
 #define OS_ID_NONE              0       /* Undefined OS ID      */
 #define OS_ID_HPUX              1       /* HP-UX OS             */
-#define OS_ID_LINUX             OS_ID_HPUX /* just use the same value as hpux */
 #define OS_ID_MPEXL             2       /* MPE XL OS            */
 #define OS_ID_OSF               3       /* OSF OS               */
 #define OS_ID_HPRT              4       /* HP-RT OS             */
 #define OS_ID_NOVEL             5       /* NOVELL OS            */
-#define OS_ID_NT                6       /* NT OS                */
+#define OS_ID_LINUX             6       /* Linux                */
 
 
 /* constants for PDC_CHASSIS */
@@ -352,8 +351,8 @@ struct pdc_cache_cf {		/* for PDC_CACHE  (I/D-caches) */
                 cc_wt   : 1,    /* 0 = WT-Dcache, 1 = WB-Dcache */
                 cc_sh   : 2,    /* 0 = separate I/D-cache, else shared I/D-cache */
                 cc_cst  : 3,    /* 0 = incoherent D-cache, 1=coherent D-cache */
-                cc_pad1 : 5,    /* reserved */
-                cc_assoc: 8;    /* associativity of I/D-cache */
+                cc_pad1 : 10,   /* reserved */
+                cc_hv   : 3;    /* hversion dependent */
 };
 
 struct pdc_tlb_cf {             /* for PDC_CACHE (I/D-TLB's) */
@@ -719,6 +718,7 @@ void setup_pdc(void);		/* in inventory.c */
 int pdc_add_valid(unsigned long address);
 int pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_info, unsigned long len);
 int pdc_chassis_disp(unsigned long disp);
+int pdc_chassis_warn(unsigned long *warn);
 int pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info);
 int pdc_iodc_read(unsigned long *actcnt, unsigned long hpa, unsigned int index,
                   void *iodc_data, unsigned int iodc_data_size);
@@ -732,6 +732,7 @@ int pdc_model_cpuid(unsigned long *cpu_id);
 int pdc_model_versions(unsigned long *versions, int id);
 int pdc_model_capabilities(unsigned long *capabilities);
 int pdc_cache_info(struct pdc_cache_info *cache);
+int pdc_spaceid_bits(unsigned long *space_bits);
 #ifndef CONFIG_PA20
 int pdc_btlb_info(struct pdc_btlb_info *btlb);
 int pdc_mem_map_hpa(struct pdc_memory_map *r_addr, struct pdc_module_path *mod_path);
@@ -775,6 +776,18 @@ int pdc_sti_call(unsigned long func, unsigned long flags,
 
 extern void pdc_init(void);
 
+static inline char * os_id_to_string(u16 os_id) {
+        switch(os_id) {
+        case OS_ID_NONE:        return "No OS";
+        case OS_ID_HPUX:        return "HP-UX";
+        case OS_ID_MPEXL:       return "MPE-iX";
+        case OS_ID_OSF:         return "OSF";
+        case OS_ID_HPRT:        return "HP-RT";
+        case OS_ID_NOVEL:       return "Novell Netware";
+        case OS_ID_LINUX:       return "Linux";
+        default:        return "Unknown";
+        }
+}
 #endif /* __ASSEMBLY__ */
 
 #endif /* _PARISC_PDC_H */
diff --git a/include/asm-parisc/pgtable.h b/include/asm-parisc/pgtable.h
index b6bcc672ba80..5066c54dae0a 100644
--- a/include/asm-parisc/pgtable.h
+++ b/include/asm-parisc/pgtable.h
@@ -506,13 +506,13 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
 
 /* TLB page size encoding - see table 3-1 in parisc20.pdf */
 #define _PAGE_SIZE_ENCODING_4K          0
-#define _PAGE_SIZE_ENCODING_16K 1
-#define _PAGE_SIZE_ENCODING_64K 2
+#define _PAGE_SIZE_ENCODING_16K         1
+#define _PAGE_SIZE_ENCODING_64K         2
 #define _PAGE_SIZE_ENCODING_256K        3
 #define _PAGE_SIZE_ENCODING_1M          4
 #define _PAGE_SIZE_ENCODING_4M          5
-#define _PAGE_SIZE_ENCODING_16M 6
-#define _PAGE_SIZE_ENCODING_64M 7
+#define _PAGE_SIZE_ENCODING_16M         6
+#define _PAGE_SIZE_ENCODING_64M         7
 
 #if defined(CONFIG_PARISC_PAGE_SIZE_4KB)
 # define _PAGE_SIZE_ENCODING_DEFAULT _PAGE_SIZE_ENCODING_4K
diff --git a/include/asm-parisc/processor.h b/include/asm-parisc/processor.h
index ca49dc91f4fc..b73626f040da 100644
--- a/include/asm-parisc/processor.h
+++ b/include/asm-parisc/processor.h
@@ -26,14 +26,12 @@
  * Default implementation of macro that returns current
  * instruction pointer ("program counter").
  */
-
-/* We cannot use MFIA as it was added for PA2.0 - prumpf
-
-   At one point there were no "0f/0b" type local symbols in gas for
-   PA-RISC.  This is no longer true, but this still seems like the
-   nicest way to implement this. */
-
-#define current_text_addr() ({ void *pc; __asm__("\n\tblr 0,%0\n\tnop":"=r" (pc)); pc; })
+#ifdef CONFIG_PA20
+#define current_ia(x)   __asm__("mfia %0" : "=r"(x))
+#else /* mfia added in pa2.0 */
+#define current_ia(x)   __asm__("blr 0,%0\n\tnop" : "=r"(x))
+#endif
+#define current_text_addr() ({ void *pc; current_ia(pc); pc; })
 
 #define TASK_SIZE               (current->thread.task_size)
 #define TASK_UNMAPPED_BASE      (current->thread.map_base)
diff --git a/include/asm-parisc/signal.h b/include/asm-parisc/signal.h
index 25cb23ef7dd1..98a82fa0cfdb 100644
--- a/include/asm-parisc/signal.h
+++ b/include/asm-parisc/signal.h
@@ -48,7 +48,6 @@
  * SA_FLAGS values:
  *
  * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
  * SA_RESTART flag to get restarting signals (which were the default long ago)
  * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  * SA_RESETHAND clears the handler when the signal is delivered.
@@ -69,7 +68,6 @@
 
 #define SA_NOMASK       SA_NODEFER
 #define SA_ONESHOT      SA_RESETHAND
-#define SA_INTERRUPT    0x20000000 /* dummy -- ignored */
 
 #define SA_RESTORER     0x04000000 /* obsolete -- ignored */
 
diff --git a/include/asm-parisc/socket.h b/include/asm-parisc/socket.h
index 1bf54dc53c10..ce2eae1708b5 100644
--- a/include/asm-parisc/socket.h
+++ b/include/asm-parisc/socket.h
@@ -48,5 +48,6 @@
 #define SO_ACCEPTCONN           0x401c
 
 #define SO_PEERSEC              0x401d
+#define SO_PASSSEC              0x401e
 
 #endif /* _ASM_SOCKET_H */
diff --git a/include/asm-parisc/system.h b/include/asm-parisc/system.h
index 863876134b2c..5fe2d2329ab5 100644
--- a/include/asm-parisc/system.h
+++ b/include/asm-parisc/system.h
@@ -155,13 +155,14 @@ static inline void set_eiem(unsigned long val)
    type and dynamically select the 16-byte aligned int from the array
    for the semaphore.  */
 
-#define __PA_LDCW_ALIGNMENT 16
-#define __ldcw_align(a) ({ \
-  unsigned long __ret = (unsigned long) &(a)->lock[0];                  \
-  __ret = (__ret + __PA_LDCW_ALIGNMENT - 1) & ~(__PA_LDCW_ALIGNMENT - 1); \
-  (volatile unsigned int *) __ret;                                      \
+#define __PA_LDCW_ALIGNMENT     16
+#define __ldcw_align(a) ({                                      \
+        unsigned long __ret = (unsigned long) &(a)->lock[0];    \
+        __ret = (__ret + __PA_LDCW_ALIGNMENT - 1)               \
+                & ~(__PA_LDCW_ALIGNMENT - 1);                   \
+        (volatile unsigned int *) __ret;                        \
 })
-#define LDCW    "ldcw"
+#define __LDCW  "ldcw"
 
 #else /*CONFIG_PA20*/
 /* From: "Jim Hull" <jim.hull of hp.com>
@@ -171,17 +172,18 @@ static inline void set_eiem(unsigned long val)
    they only require "natural" alignment (4-byte for ldcw, 8-byte for
    ldcd). */
 
-#define __PA_LDCW_ALIGNMENT 4
+#define __PA_LDCW_ALIGNMENT     4
 #define __ldcw_align(a) ((volatile unsigned int *)a)
-#define LDCW    "ldcw,co"
+#define __LDCW  "ldcw,co"
 
 #endif /*!CONFIG_PA20*/
 
 /* LDCW, the only atomic read-write operation PA-RISC has. *sigh*.  */
-#define __ldcw(a) ({ \
-        unsigned __ret; \
-        __asm__ __volatile__(LDCW " 0(%1),%0" : "=r" (__ret) : "r" (a)); \
-        __ret; \
+#define __ldcw(a) ({                                            \
+        unsigned __ret;                                         \
+        __asm__ __volatile__(__LDCW " 0(%1),%0"                 \
+                : "=r" (__ret) : "r" (a));                      \
+        __ret;                                                  \
 })
 
 #ifdef CONFIG_SMP
diff --git a/include/asm-parisc/uaccess.h b/include/asm-parisc/uaccess.h
index f6c417c8c484..d973e8b3466c 100644
--- a/include/asm-parisc/uaccess.h
+++ b/include/asm-parisc/uaccess.h
@@ -172,7 +172,11 @@ struct exception_data {
 /*
  * The "__put_user/kernel_asm()" macros tell gcc they read from memory
  * instead of writing. This is because they do not write to any memory
- * gcc knows about, so there are no aliasing issues.
+ * gcc knows about, so there are no aliasing issues. These macros must
+ * also be aware that "fixup_put_user_skip_[12]" are executed in the
+ * context of the fault, and any registers used there must be listed
+ * as clobbers. In this case only "r1" is used by the current routines.
+ * r8/r9 are already listed as err/val.
  */
 
 #ifdef __LP64__
@@ -183,7 +187,8 @@ struct exception_data {
                 "\t.dword\t1b,fixup_put_user_skip_1\n"      \
                 "\t.previous"                               \
                 : "=r"(__pu_err)                            \
-                : "r"(ptr), "r"(x), "0"(__pu_err))
+                : "r"(ptr), "r"(x), "0"(__pu_err)           \
+                : "r1")
 
 #define __put_user_asm(stx,x,ptr)                           \
         __asm__ __volatile__ (                              \
diff --git a/include/asm-parisc/unistd.h b/include/asm-parisc/unistd.h
index 12b867238a47..27bcfad1c3e3 100644
--- a/include/asm-parisc/unistd.h
+++ b/include/asm-parisc/unistd.h
@@ -797,11 +797,6 @@
 
 #define SYS_ify(syscall_name)   __NR_##syscall_name
 
-/* Assume all syscalls are done from PIC code just to be
- * safe. The worst case scenario is that you lose a register
- * and save/restore r19 across the syscall. */
-#define PIC
-
 #ifndef ASM_LINE_SEP
 # define ASM_LINE_SEP ;
 #endif