Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git

Signed-off-by: Steve French <sfrench@us.ibm.com>

11 files changed, 157 insertions, 65 deletions

diff --git a/include/asm-arm/arch-ixp2000/ixp2000-regs.h b/include/asm-arm/arch-ixp2000/ixp2000-regs.h
index 8cf70ff160af..2b57f91b4ebd 100644
--- a/include/asm-arm/arch-ixp2000/ixp2000-regs.h
+++ b/include/asm-arm/arch-ixp2000/ixp2000-regs.h
@@ -26,6 +26,8 @@
  * fc000000     da000000        16M             PCI CFG0
  * fd000000     d8000000        16M             PCI I/O
  * fe[0-7]00000                 8M              per-platform mappings
+ * fe900000     80000000        1M              SRAM #0 (first MB)
+ * fea00000     cb400000        1M              SCRATCH ring get/put
  * feb00000     c8000000        1M              MSF
  * fec00000     df000000        1M              PCI CSRs
  * fed00000     de000000        1M              PCI CREG
@@ -91,6 +93,14 @@
 #define IXP2000_MSF_VIRT_BASE           0xfeb00000
 #define IXP2000_MSF_SIZE                0x00100000
 
+#define IXP2000_SCRATCH_RING_PHYS_BASE  0xcb400000
+#define IXP2000_SCRATCH_RING_VIRT_BASE  0xfea00000
+#define IXP2000_SCRATCH_RING_SIZE       0x00100000
+
+#define IXP2000_SRAM0_PHYS_BASE         0x80000000
+#define IXP2000_SRAM0_VIRT_BASE         0xfe900000
+#define IXP2000_SRAM0_SIZE              0x00100000
+
 #define IXP2000_PCI_IO_PHYS_BASE        0xd8000000
 #define IXP2000_PCI_IO_VIRT_BASE        0xfd000000
 #define IXP2000_PCI_IO_SIZE             0x01000000
diff --git a/include/asm-arm/arch-versatile/entry-macro.S b/include/asm-arm/arch-versatile/entry-macro.S
index 58f0d71759f6..feff771c0a0a 100644
--- a/include/asm-arm/arch-versatile/entry-macro.S
+++ b/include/asm-arm/arch-versatile/entry-macro.S
@@ -8,6 +8,7 @@
  * warranty of any kind, whether express or implied.
  */
 #include <asm/hardware.h>
+#include <asm/hardware/vic.h>
 
                 .macro  disable_fiq
                 .endm
diff --git a/include/asm-arm/arch-versatile/platform.h b/include/asm-arm/arch-versatile/platform.h
index cbdd9fb96332..72ef874567d5 100644
--- a/include/asm-arm/arch-versatile/platform.h
+++ b/include/asm-arm/arch-versatile/platform.h
@@ -293,26 +293,7 @@
  *      VERSATILE_SYS_IC 
  * 
  */
-#define VIC_IRQ_STATUS                  0
-#define VIC_FIQ_STATUS                  0x04
-#define VIC_IRQ_RAW_STATUS              0x08
-#define VIC_INT_SELECT                  0x0C    /* 1 = FIQ, 0 = IRQ */
-#define VIC_IRQ_ENABLE                  0x10    /* 1 = enable, 0 = disable */
-#define VIC_IRQ_ENABLE_CLEAR            0x14
-#define VIC_IRQ_SOFT                    0x18
-#define VIC_IRQ_SOFT_CLEAR              0x1C
-#define VIC_PROTECT                     0x20
-#define VIC_VECT_ADDR                   0x30
-#define VIC_DEF_VECT_ADDR               0x34
-#define VIC_VECT_ADDR0                  0x100   /* 0 to 15 */
-#define VIC_VECT_CNTL0                  0x200   /* 0 to 15 */
-#define VIC_ITCR                        0x300   /* VIC test control register */
-
-#define VIC_FIQ_RAW_STATUS              0x08
-#define VIC_FIQ_ENABLE                  0x10    /* 1 = enable, 0 = disable */
-#define VIC_FIQ_ENABLE_CLEAR            0x14
-#define VIC_FIQ_SOFT                    0x18
-#define VIC_FIQ_SOFT_CLEAR              0x1C
+/* VIC definitions in include/asm-arm/hardware/vic.h */
 
 #define SIC_IRQ_STATUS                  0
 #define SIC_IRQ_RAW_STATUS              0x04
@@ -325,8 +306,6 @@
 #define SIC_INT_PIC_ENABLES             0x20    /* set interrupt pass through bits */
 #define SIC_INT_PIC_ENABLEC             0x24    /* Clear interrupt pass through bits */
 
-#define VICVectCntl_Enable              (1 << 5)
-
 /* ------------------------------------------------------------------------
  *  Interrupts - bit assignment (primary)
  * ------------------------------------------------------------------------
diff --git a/include/asm-arm/hardware/vic.h b/include/asm-arm/hardware/vic.h
new file mode 100644
index 000000000000..81825eb54c9e
--- /dev/null
+++ b/include/asm-arm/hardware/vic.h
@@ -0,0 +1,45 @@
+/*
+ *  linux/include/asm-arm/hardware/vic.h
+ *
+ *  Copyright (c) ARM Limited 2003.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef __ASM_ARM_HARDWARE_VIC_H
+#define __ASM_ARM_HARDWARE_VIC_H
+
+#define VIC_IRQ_STATUS                  0x00
+#define VIC_FIQ_STATUS                  0x04
+#define VIC_RAW_STATUS                  0x08
+#define VIC_INT_SELECT                  0x0c    /* 1 = FIQ, 0 = IRQ */
+#define VIC_INT_ENABLE                  0x10    /* 1 = enable, 0 = disable */
+#define VIC_INT_ENABLE_CLEAR            0x14
+#define VIC_INT_SOFT                    0x18
+#define VIC_INT_SOFT_CLEAR              0x1c
+#define VIC_PROTECT                     0x20
+#define VIC_VECT_ADDR                   0x30
+#define VIC_DEF_VECT_ADDR               0x34
+
+#define VIC_VECT_ADDR0                  0x100   /* 0 to 15 */
+#define VIC_VECT_CNTL0                  0x200   /* 0 to 15 */
+#define VIC_ITCR                        0x300   /* VIC test control register */
+
+#define VIC_VECT_CNTL_ENABLE            (1 << 5)
+
+#ifndef __ASSEMBLY__
+void vic_init(void __iomem *base, u32 vic_sources);
+#endif
+
+#endif
diff --git a/include/asm-arm/mach/arch.h b/include/asm-arm/mach/arch.h
index eb262e078c46..2cd57b4d64d9 100644
--- a/include/asm-arm/mach/arch.h
+++ b/include/asm-arm/mach/arch.h
@@ -10,6 +10,8 @@
 
 #ifndef __ASSEMBLY__
 
+#include <linux/compiler.h>
+
 struct tag;
 struct meminfo;
 struct sys_timer;
@@ -20,7 +22,7 @@ struct machine_desc {
          * by assembler code in head-armv.S
          */
         unsigned int            nr;             /* architecture number  */
-        unsigned int            phys_ram;       /* start of physical ram */
+        unsigned int __deprecated phys_ram;     /* start of physical ram */
         unsigned int            phys_io;        /* start of physical io */
         unsigned int            io_pg_offst;    /* byte offset for io 
                                                  * page tabe entry      */
diff --git a/include/asm-arm/page.h b/include/asm-arm/page.h
index 4da1d532cbeb..416320d95419 100644
--- a/include/asm-arm/page.h
+++ b/include/asm-arm/page.h
@@ -170,6 +170,13 @@ extern pmd_t *top_pmd;
 #define VM_DATA_DEFAULT_FLAGS   (VM_READ | VM_WRITE | VM_EXEC | \
                                  VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
 
+/*
+ * With EABI on ARMv5 and above we must have 64-bit aligned slab pointers.
+ */
+#if defined(CONFIG_AEABI) && (__LINUX_ARM_ARCH__ >= 5)
+#define ARCH_SLAB_MINALIGN 8
+#endif
+
 #endif /* __KERNEL__ */
 
 #include <asm-generic/page.h>
diff --git a/include/asm-arm/processor.h b/include/asm-arm/processor.h
index 31290694648b..04f4d34c6317 100644
--- a/include/asm-arm/processor.h
+++ b/include/asm-arm/processor.h
@@ -49,6 +49,12 @@ struct thread_struct {
 
 #define INIT_THREAD  {  }
 
+#ifdef CONFIG_MMU
+#define nommu_start_thread(regs) do { } while (0)
+#else
+#define nommu_start_thread(regs) regs->ARM_r10 = current->mm->start_data
+#endif
+
 #define start_thread(regs,pc,sp)                                        \
 ({                                                                      \
         unsigned long *stack = (unsigned long *)sp;                     \
@@ -65,6 +71,7 @@ struct thread_struct {
         regs->ARM_r2 = stack[2];        /* r2 (envp) */                 \
         regs->ARM_r1 = stack[1];        /* r1 (argv) */                 \
         regs->ARM_r0 = stack[0];        /* r0 (argc) */                 \
+        nommu_start_thread(regs);                                       \
 })
 
 /* Forward declaration, a strange C thing */
diff --git a/include/asm-arm/ptrace.h b/include/asm-arm/ptrace.h
index 4377e22b7e1a..77adb7fa169b 100644
--- a/include/asm-arm/ptrace.h
+++ b/include/asm-arm/ptrace.h
@@ -23,6 +23,9 @@
 #define PTRACE_OLDSETOPTIONS    21
 
 #define PTRACE_GET_THREAD_AREA  22
+
+#define PTRACE_SET_SYSCALL      23
+
 /*
  * PSR bits
  */
@@ -60,9 +63,11 @@
 
 #ifndef __ASSEMBLY__
 
-/* this struct defines the way the registers are stored on the
-   stack during a system call. */
-
+/*
+ * This struct defines the way the registers are stored on the
+ * stack during a system call.  Note that sizeof(struct pt_regs)
+ * has to be a multiple of 8.
+ */
 struct pt_regs {
         long uregs[18];
 };
diff --git a/include/asm-arm/stat.h b/include/asm-arm/stat.h
index ec4e2c2e3b47..42c0c13999d5 100644
--- a/include/asm-arm/stat.h
+++ b/include/asm-arm/stat.h
@@ -70,14 +70,7 @@ struct stat64 {
 
         long long       st_size;
         unsigned long   st_blksize;
-
-#if defined(__ARMEB__)
-        unsigned long   __pad4;         /* Future possible st_blocks hi bits */
-        unsigned long   st_blocks;      /* Number 512-byte blocks allocated. */
-#else /* Must be little */
-        unsigned long   st_blocks;      /* Number 512-byte blocks allocated. */
-        unsigned long   __pad4;         /* Future possible st_blocks hi bits */
-#endif
+        unsigned long long st_blocks;   /* Number 512-byte blocks allocated. */
 
         unsigned long   st_atime;
         unsigned long   st_atime_nsec;
@@ -89,6 +82,6 @@ struct stat64 {
         unsigned long   st_ctime_nsec;
 
         unsigned long long      st_ino;
-} __attribute__((packed));
+};
 
 #endif
diff --git a/include/asm-arm/statfs.h b/include/asm-arm/statfs.h
index e81f82783b87..a02e6a8c3d70 100644
--- a/include/asm-arm/statfs.h
+++ b/include/asm-arm/statfs.h
@@ -1,6 +1,42 @@
 #ifndef _ASMARM_STATFS_H
 #define _ASMARM_STATFS_H
 
-#include <asm-generic/statfs.h>
+#ifndef __KERNEL_STRICT_NAMES
+# include <linux/types.h>
+typedef __kernel_fsid_t fsid_t;
+#endif
+
+struct statfs {
+        __u32 f_type;
+        __u32 f_bsize;
+        __u32 f_blocks;
+        __u32 f_bfree;
+        __u32 f_bavail;
+        __u32 f_files;
+        __u32 f_ffree;
+        __kernel_fsid_t f_fsid;
+        __u32 f_namelen;
+        __u32 f_frsize;
+        __u32 f_spare[5];
+};
+
+/*
+ * With EABI there is 4 bytes of padding added to this structure.
+ * Let's pack it so the padding goes away to simplify dual ABI support.
+ * Note that user space does NOT have to pack this structure.
+ */
+struct statfs64 {
+        __u32 f_type;
+        __u32 f_bsize;
+        __u64 f_blocks;
+        __u64 f_bfree;
+        __u64 f_bavail;
+        __u64 f_files;
+        __u64 f_ffree;
+        __kernel_fsid_t f_fsid;
+        __u32 f_namelen;
+        __u32 f_frsize;
+        __u32 f_spare[5];
+} __attribute__ ((packed,aligned(4)));
 
 #endif
diff --git a/include/asm-arm/unistd.h b/include/asm-arm/unistd.h
index d626e70faded..77430d6178ae 100644
--- a/include/asm-arm/unistd.h
+++ b/include/asm-arm/unistd.h
@@ -15,10 +15,12 @@
 
 #include <linux/linkage.h>
 
-#if defined(__thumb__)
+#define __NR_OABI_SYSCALL_BASE  0x900000
+
+#if defined(__thumb__) || defined(__ARM_EABI__)
 #define __NR_SYSCALL_BASE       0
 #else
-#define __NR_SYSCALL_BASE       0x900000
+#define __NR_SYSCALL_BASE       __NR_OABI_SYSCALL_BASE
 #endif
 
 /*
@@ -373,13 +375,13 @@
 #define __sys1(x) __sys2(x)
 
 #ifndef __syscall
-#if defined(__thumb__)
-#define __syscall(name)                                 \
-        "push   {r7}\n\t"                               \
-        "mov    r7, #" __sys1(__NR_##name) "\n\t"       \
-        "swi    0\n\t"                                  \
-        "pop    {r7}"
+#if defined(__thumb__) || defined(__ARM_EABI__)
+#define __SYS_REG(name) register long __sysreg __asm__("r7") = __NR_##name;
+#define __SYS_REG_LIST(regs...) "r" (__sysreg) , ##regs
+#define __syscall(name) "swi\t0"
 #else
+#define __SYS_REG(name)
+#define __SYS_REG_LIST(regs...) regs
 #define __syscall(name) "swi\t" __sys1(__NR_##name) ""
 #endif
 #endif
@@ -395,33 +397,34 @@ do {									\
 
 #define _syscall0(type,name)                                            \
 type name(void) {                                                       \
+  __SYS_REG(name)                                                       \
   register long __res_r0 __asm__("r0");                                 \
   long __res;                                                           \
   __asm__ __volatile__ (                                                \
   __syscall(name)                                                       \
         : "=r" (__res_r0)                                               \
-        :                                                               \
-        : "lr");                                                        \
+        : __SYS_REG_LIST() );                                           \
   __res = __res_r0;                                                     \
   __syscall_return(type,__res);                                         \
 }
 
 #define _syscall1(type,name,type1,arg1)                                 \
 type name(type1 arg1) {                                                 \
+  __SYS_REG(name)                                                       \
   register long __r0 __asm__("r0") = (long)arg1;                        \
   register long __res_r0 __asm__("r0");                                 \
   long __res;                                                           \
   __asm__ __volatile__ (                                                \
   __syscall(name)                                                       \
         : "=r" (__res_r0)                                               \
-        : "r" (__r0)                                                    \
-        : "lr");                                                        \
+        : __SYS_REG_LIST( "0" (__r0) ) );                               \
   __res = __res_r0;                                                     \
   __syscall_return(type,__res);                                         \
 }
 
 #define _syscall2(type,name,type1,arg1,type2,arg2)                      \
 type name(type1 arg1,type2 arg2) {                                      \
+  __SYS_REG(name)                                                       \
   register long __r0 __asm__("r0") = (long)arg1;                        \
   register long __r1 __asm__("r1") = (long)arg2;                        \
   register long __res_r0 __asm__("r0");                                 \
@@ -429,8 +432,7 @@ type name(type1 arg1,type2 arg2) {					\
   __asm__ __volatile__ (                                                \
   __syscall(name)                                                       \
         : "=r" (__res_r0)                                               \
-        : "r" (__r0),"r" (__r1)                                         \
-        : "lr");                                                        \
+        : __SYS_REG_LIST( "0" (__r0), "r" (__r1) ) );                   \
   __res = __res_r0;                                                     \
   __syscall_return(type,__res);                                         \
 }
@@ -438,6 +440,7 @@ type name(type1 arg1,type2 arg2) {					\
 
 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)           \
 type name(type1 arg1,type2 arg2,type3 arg3) {                           \
+  __SYS_REG(name)                                                       \
   register long __r0 __asm__("r0") = (long)arg1;                        \
   register long __r1 __asm__("r1") = (long)arg2;                        \
   register long __r2 __asm__("r2") = (long)arg3;                        \
@@ -446,8 +449,7 @@ type name(type1 arg1,type2 arg2,type3 arg3) {				\
   __asm__ __volatile__ (                                                \
   __syscall(name)                                                       \
         : "=r" (__res_r0)                                               \
-        : "r" (__r0),"r" (__r1),"r" (__r2)                              \
-        : "lr");                                                        \
+        : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2) ) );       \
   __res = __res_r0;                                                     \
   __syscall_return(type,__res);                                         \
 }
@@ -455,6 +457,7 @@ type name(type1 arg1,type2 arg2,type3 arg3) {				\
 
 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4)\
 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) {             \
+  __SYS_REG(name)                                                       \
   register long __r0 __asm__("r0") = (long)arg1;                        \
   register long __r1 __asm__("r1") = (long)arg2;                        \
   register long __r2 __asm__("r2") = (long)arg3;                        \
@@ -464,8 +467,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) {		\
   __asm__ __volatile__ (                                                \
   __syscall(name)                                                       \
         : "=r" (__res_r0)                                               \
-        : "r" (__r0),"r" (__r1),"r" (__r2),"r" (__r3)                   \
-        : "lr");                                                        \
+        : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) ) ); \
   __res = __res_r0;                                                     \
   __syscall_return(type,__res);                                         \
 }
@@ -473,6 +475,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) {		\
 
 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5)     \
 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) { \
+  __SYS_REG(name)                                                       \
   register long __r0 __asm__("r0") = (long)arg1;                        \
   register long __r1 __asm__("r1") = (long)arg2;                        \
   register long __r2 __asm__("r2") = (long)arg3;                        \
@@ -483,14 +486,15 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) {	\
   __asm__ __volatile__ (                                                \
   __syscall(name)                                                       \
         : "=r" (__res_r0)                                               \
-        : "r" (__r0),"r" (__r1),"r" (__r2),"r" (__r3),"r" (__r4)        \
-        : "lr");                                                        \
+        : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2),           \
+                          "r" (__r3), "r" (__r4) ) );                   \
   __res = __res_r0;                                                     \
   __syscall_return(type,__res);                                         \
 }
 
 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5,type6,arg6)  \
 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) {     \
+  __SYS_REG(name)                                                       \
   register long __r0 __asm__("r0") = (long)arg1;                        \
   register long __r1 __asm__("r1") = (long)arg2;                        \
   register long __r2 __asm__("r2") = (long)arg3;                        \
@@ -502,30 +506,33 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6
   __asm__ __volatile__ (                                                \
   __syscall(name)                                                       \
         : "=r" (__res_r0)                                               \
-        : "r" (__r0),"r" (__r1),"r" (__r2),"r" (__r3), "r" (__r4),"r" (__r5)            \
-        : "lr");                                                        \
+        : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2),           \
+                          "r" (__r3), "r" (__r4), "r" (__r5) ) );       \
   __res = __res_r0;                                                     \
   __syscall_return(type,__res);                                         \
 }
 
 #ifdef __KERNEL__
 #define __ARCH_WANT_IPC_PARSE_VERSION
-#define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_STAT64
-#define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
 #define __ARCH_WANT_SYS_PAUSE
-#define __ARCH_WANT_SYS_TIME
-#define __ARCH_WANT_SYS_UTIME
-#define __ARCH_WANT_SYS_SOCKETCALL
 #define __ARCH_WANT_SYS_GETPGRP
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
-#define __ARCH_WANT_SYS_OLD_GETRLIMIT
-#define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
 #define __ARCH_WANT_SYS_RT_SIGACTION
+
+#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
+#define __ARCH_WANT_SYS_TIME
+#define __ARCH_WANT_SYS_OLDUMOUNT
+#define __ARCH_WANT_SYS_ALARM
+#define __ARCH_WANT_SYS_UTIME
+#define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_OLD_READDIR
+#define __ARCH_WANT_SYS_SOCKETCALL
+#endif
 #endif
 
 #ifdef __KERNEL_SYSCALLS__