Merge git://oss.sgi.com:8090/xfs/xfs-2.6
[linux-drm-fsl-dcu.git] / include / asm-powerpc / unistd.h
index eb66eae6616fb3026dbf38f966afff686664601c..0ae954e3d2584e86a95ae717bdc8956e049b3d46 100644 (file)
 #define __NR_rtas              255
 #define __NR_sys_debug_setcontext 256
 /* Number 257 is reserved for vserver */
-/* 258 currently unused */
+#define __NR_migrate_pages     258
 #define __NR_mbind             259
 #define __NR_get_mempolicy     260
 #define __NR_set_mempolicy     261
 #define __NR_faccessat         298
 #define __NR_get_robust_list   299
 #define __NR_set_robust_list   300
+#define __NR_move_pages                301
 
 #ifdef __KERNEL__
 
-#define __NR_syscalls          301
+#define __NR_syscalls          302
 
 #define __NR__exit __NR_exit
 #define NR_syscalls    __NR_syscalls
 
 #ifndef __ASSEMBLY__
 
-/* On powerpc a system call basically clobbers the same registers like a
- * function call, with the exception of LR (which is needed for the
- * "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal
- * an error return status).
- */
-
-#define __syscall_nr(nr, type, name, args...)                          \
-       unsigned long __sc_ret, __sc_err;                               \
-       {                                                               \
-               register unsigned long __sc_0  __asm__ ("r0");          \
-               register unsigned long __sc_3  __asm__ ("r3");          \
-               register unsigned long __sc_4  __asm__ ("r4");          \
-               register unsigned long __sc_5  __asm__ ("r5");          \
-               register unsigned long __sc_6  __asm__ ("r6");          \
-               register unsigned long __sc_7  __asm__ ("r7");          \
-               register unsigned long __sc_8  __asm__ ("r8");          \
-                                                                       \
-               __sc_loadargs_##nr(name, args);                         \
-               __asm__ __volatile__                                    \
-                       ("sc           \n\t"                            \
-                        "mfcr %0      "                                \
-                       : "=&r" (__sc_0),                               \
-                         "=&r" (__sc_3),  "=&r" (__sc_4),              \
-                         "=&r" (__sc_5),  "=&r" (__sc_6),              \
-                         "=&r" (__sc_7),  "=&r" (__sc_8)               \
-                       : __sc_asm_input_##nr                           \
-                       : "cr0", "ctr", "memory",                       \
-                         "r9", "r10","r11", "r12");                    \
-               __sc_ret = __sc_3;                                      \
-               __sc_err = __sc_0;                                      \
-       }                                                               \
-       if (__sc_err & 0x10000000)                                      \
-       {                                                               \
-               errno = __sc_ret;                                       \
-               __sc_ret = -1;                                          \
-       }                                                               \
-       return (type) __sc_ret
-
-#define __sc_loadargs_0(name, dummy...)                                        \
-       __sc_0 = __NR_##name
-#define __sc_loadargs_1(name, arg1)                                    \
-       __sc_loadargs_0(name);                                          \
-       __sc_3 = (unsigned long) (arg1)
-#define __sc_loadargs_2(name, arg1, arg2)                              \
-       __sc_loadargs_1(name, arg1);                                    \
-       __sc_4 = (unsigned long) (arg2)
-#define __sc_loadargs_3(name, arg1, arg2, arg3)                                \
-       __sc_loadargs_2(name, arg1, arg2);                              \
-       __sc_5 = (unsigned long) (arg3)
-#define __sc_loadargs_4(name, arg1, arg2, arg3, arg4)                  \
-       __sc_loadargs_3(name, arg1, arg2, arg3);                        \
-       __sc_6 = (unsigned long) (arg4)
-#define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5)            \
-       __sc_loadargs_4(name, arg1, arg2, arg3, arg4);                  \
-       __sc_7 = (unsigned long) (arg5)
-#define __sc_loadargs_6(name, arg1, arg2, arg3, arg4, arg5, arg6)      \
-       __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5);            \
-       __sc_8 = (unsigned long) (arg6)
-
-#define __sc_asm_input_0 "0" (__sc_0)
-#define __sc_asm_input_1 __sc_asm_input_0, "1" (__sc_3)
-#define __sc_asm_input_2 __sc_asm_input_1, "2" (__sc_4)
-#define __sc_asm_input_3 __sc_asm_input_2, "3" (__sc_5)
-#define __sc_asm_input_4 __sc_asm_input_3, "4" (__sc_6)
-#define __sc_asm_input_5 __sc_asm_input_4, "5" (__sc_7)
-#define __sc_asm_input_6 __sc_asm_input_5, "6" (__sc_8)
-
-#define _syscall0(type,name)                                           \
-type name(void)                                                                \
-{                                                                      \
-       __syscall_nr(0, type, name);                                    \
-}
-
-#define _syscall1(type,name,type1,arg1)                                        \
-type name(type1 arg1)                                                  \
-{                                                                      \
-       __syscall_nr(1, type, name, arg1);                              \
-}
-
-#define _syscall2(type,name,type1,arg1,type2,arg2)                     \
-type name(type1 arg1, type2 arg2)                                      \
-{                                                                      \
-       __syscall_nr(2, type, name, arg1, arg2);                        \
-}
-
-#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)          \
-type name(type1 arg1, type2 arg2, type3 arg3)                          \
-{                                                                      \
-       __syscall_nr(3, type, name, arg1, arg2, arg3);                  \
-}
-
-#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
-type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4)              \
-{                                                                      \
-       __syscall_nr(4, type, name, arg1, arg2, arg3, 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)  \
-{                                                                      \
-       __syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5);      \
-}
-#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) \
-{                                                                      \
-       __syscall_nr(6, type, name, arg1, arg2, arg3, arg4, arg5, arg6); \
-}
-
-
 #include <linux/types.h>
 #include <linux/compiler.h>
 #include <linux/linkage.h>
-#include <asm/syscalls.h>
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
@@ -478,25 +369,11 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6
 #define __ARCH_WANT_SYS_NEWFSTATAT
 #endif
 
-/*
- * System call prototypes.
- */
-#ifdef __KERNEL_SYSCALLS__
-extern int execve(const char *file, char **argv, char **envp);
-#endif /* __KERNEL_SYSCALLS__ */
-
 /*
  * "Conditional" syscalls
- *
- * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
- * but it doesn't work on all toolchains, so we just do it by hand
  */
-#ifdef CONFIG_PPC32
-#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
-#else
-#define cond_syscall(x) asm(".weak\t." #x "\n\t.set\t." #x ",.sys_ni_syscall")
-#endif
-
+#define cond_syscall(x) \
+       asmlinkage long x (void) __attribute__((weak,alias("sys_ni_syscall")))
 
 #endif         /* __ASSEMBLY__ */
 #endif         /* __KERNEL__ */