diff options
Diffstat (limited to 'include/asm-powerpc')
| -rw-r--r-- | include/asm-powerpc/unistd.h | 109 |
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) \ | ||
| 405 | type name(void) \ | ||
| 406 | { \ | ||
| 407 | __syscall_nr(0, type, name); \ | ||
| 408 | } | ||
| 409 | |||
| 410 | #define _syscall1(type,name,type1,arg1) \ | ||
| 411 | type name(type1 arg1) \ | ||
| 412 | { \ | ||
| 413 | __syscall_nr(1, type, name, arg1); \ | ||
| 414 | } | ||
| 415 | |||
| 416 | #define _syscall2(type,name,type1,arg1,type2,arg2) \ | ||
| 417 | type 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) \ | ||
| 423 | type 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) \ | ||
| 429 | type 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) \ | ||
| 435 | type 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) \ | ||
| 440 | type 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> |