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authorArnd Bergmann <arnd@arndb.de>2006-12-06 23:37:29 -0500
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 11:39:37 -0500
commitf5738ceed46782aea7663d62cb6398eb05fc4ce0 (patch)
tree156ebf498bc1d892d6f9e33d2751869417e30eb4 /include/asm-powerpc/unistd.h
parent28ec24e23229ae3d333f8d7f0e6b31fa8ea7bf46 (diff)
[PATCH] remove kernel syscalls
The last thing we agreed on was to remove the macros entirely for 2.6.19, on all architectures. Unfortunately, I think nobody actually _did_ that, so they are still there. [akpm@osdl.org: x86_64 fix] Cc: David Woodhouse <dwmw2@infradead.org> Cc: Greg Schafer <gschafer@zip.com.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-powerpc/unistd.h')
-rw-r--r--include/asm-powerpc/unistd.h109
1 files changed, 0 insertions, 109 deletions
diff --git a/include/asm-powerpc/unistd.h b/include/asm-powerpc/unistd.h
index 04b6c17cc59b..0ae954e3d258 100644
--- a/include/asm-powerpc/unistd.h
+++ b/include/asm-powerpc/unistd.h
@@ -334,115 +334,6 @@
334 334
335#ifndef __ASSEMBLY__ 335#ifndef __ASSEMBLY__
336 336
337/* On powerpc a system call basically clobbers the same registers like a
338 * function call, with the exception of LR (which is needed for the
339 * "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal
340 * an error return status).
341 */
342
343#define __syscall_nr(nr, type, name, args...) \
344 unsigned long __sc_ret, __sc_err; \
345 { \
346 register unsigned long __sc_0 __asm__ ("r0"); \
347 register unsigned long __sc_3 __asm__ ("r3"); \
348 register unsigned long __sc_4 __asm__ ("r4"); \
349 register unsigned long __sc_5 __asm__ ("r5"); \
350 register unsigned long __sc_6 __asm__ ("r6"); \
351 register unsigned long __sc_7 __asm__ ("r7"); \
352 register unsigned long __sc_8 __asm__ ("r8"); \
353 \
354 __sc_loadargs_##nr(name, args); \
355 __asm__ __volatile__ \
356 ("sc \n\t" \
357 "mfcr %0 " \
358 : "=&r" (__sc_0), \
359 "=&r" (__sc_3), "=&r" (__sc_4), \
360 "=&r" (__sc_5), "=&r" (__sc_6), \
361 "=&r" (__sc_7), "=&r" (__sc_8) \
362 : __sc_asm_input_##nr \
363 : "cr0", "ctr", "memory", \
364 "r9", "r10","r11", "r12"); \
365 __sc_ret = __sc_3; \
366 __sc_err = __sc_0; \
367 } \
368 if (__sc_err & 0x10000000) \
369 { \
370 errno = __sc_ret; \
371 __sc_ret = -1; \
372 } \
373 return (type) __sc_ret
374
375#define __sc_loadargs_0(name, dummy...) \
376 __sc_0 = __NR_##name
377#define __sc_loadargs_1(name, arg1) \
378 __sc_loadargs_0(name); \
379 __sc_3 = (unsigned long) (arg1)
380#define __sc_loadargs_2(name, arg1, arg2) \
381 __sc_loadargs_1(name, arg1); \
382 __sc_4 = (unsigned long) (arg2)
383#define __sc_loadargs_3(name, arg1, arg2, arg3) \
384 __sc_loadargs_2(name, arg1, arg2); \
385 __sc_5 = (unsigned long) (arg3)
386#define __sc_loadargs_4(name, arg1, arg2, arg3, arg4) \
387 __sc_loadargs_3(name, arg1, arg2, arg3); \
388 __sc_6 = (unsigned long) (arg4)
389#define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5) \
390 __sc_loadargs_4(name, arg1, arg2, arg3, arg4); \
391 __sc_7 = (unsigned long) (arg5)
392#define __sc_loadargs_6(name, arg1, arg2, arg3, arg4, arg5, arg6) \
393 __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5); \
394 __sc_8 = (unsigned long) (arg6)
395
396#define __sc_asm_input_0 "0" (__sc_0)
397#define __sc_asm_input_1 __sc_asm_input_0, "1" (__sc_3)
398#define __sc_asm_input_2 __sc_asm_input_1, "2" (__sc_4)
399#define __sc_asm_input_3 __sc_asm_input_2, "3" (__sc_5)
400#define __sc_asm_input_4 __sc_asm_input_3, "4" (__sc_6)
401#define __sc_asm_input_5 __sc_asm_input_4, "5" (__sc_7)
402#define __sc_asm_input_6 __sc_asm_input_5, "6" (__sc_8)
403
404#define _syscall0(type,name) \
405type name(void) \
406{ \
407 __syscall_nr(0, type, name); \
408}
409
410#define _syscall1(type,name,type1,arg1) \
411type name(type1 arg1) \
412{ \
413 __syscall_nr(1, type, name, arg1); \
414}
415
416#define _syscall2(type,name,type1,arg1,type2,arg2) \
417type name(type1 arg1, type2 arg2) \
418{ \
419 __syscall_nr(2, type, name, arg1, arg2); \
420}
421
422#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
423type name(type1 arg1, type2 arg2, type3 arg3) \
424{ \
425 __syscall_nr(3, type, name, arg1, arg2, arg3); \
426}
427
428#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
429type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
430{ \
431 __syscall_nr(4, type, name, arg1, arg2, arg3, arg4); \
432}
433
434#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
435type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
436{ \
437 __syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5); \
438}
439#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5,type6,arg6) \
440type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) \
441{ \
442 __syscall_nr(6, type, name, arg1, arg2, arg3, arg4, arg5, arg6); \
443}
444
445
446#include <linux/types.h> 337#include <linux/types.h>
447#include <linux/compiler.h> 338#include <linux/compiler.h>
448#include <linux/linkage.h> 339#include <linux/linkage.h>