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-rw-r--r--include/asm-avr32/unistd.h80
1 files changed, 3 insertions, 77 deletions
diff --git a/include/asm-avr32/unistd.h b/include/asm-avr32/unistd.h
index 1f528f92690d..a50e5004550c 100644
--- a/include/asm-avr32/unistd.h
+++ b/include/asm-avr32/unistd.h
@@ -281,30 +281,10 @@
281#define __NR_tee 263 281#define __NR_tee 263
282#define __NR_vmsplice 264 282#define __NR_vmsplice 264
283 283
284#ifdef __KERNEL__
284#define NR_syscalls 265 285#define NR_syscalls 265
285 286
286 287
287/*
288 * AVR32 calling convention for system calls:
289 * - System call number in r8
290 * - Parameters in r12 and downwards to r9 as well as r6 and r5.
291 * - Return value in r12
292 */
293
294/*
295 * user-visible error numbers are in the range -1 - -124: see
296 * <asm-generic/errno.h>
297 */
298
299#define __syscall_return(type, res) do { \
300 if ((unsigned long)(res) >= (unsigned long)(-125)) { \
301 errno = -(res); \
302 res = -1; \
303 } \
304 return (type) (res); \
305 } while (0)
306
307#ifdef __KERNEL__
308#define __ARCH_WANT_IPC_PARSE_VERSION 288#define __ARCH_WANT_IPC_PARSE_VERSION
309#define __ARCH_WANT_STAT64 289#define __ARCH_WANT_STAT64
310#define __ARCH_WANT_SYS_ALARM 290#define __ARCH_WANT_SYS_ALARM
@@ -319,62 +299,6 @@
319#define __ARCH_WANT_SYS_GETPGRP 299#define __ARCH_WANT_SYS_GETPGRP
320#define __ARCH_WANT_SYS_RT_SIGACTION 300#define __ARCH_WANT_SYS_RT_SIGACTION
321#define __ARCH_WANT_SYS_RT_SIGSUSPEND 301#define __ARCH_WANT_SYS_RT_SIGSUSPEND
322#endif
323
324#if defined(__KERNEL_SYSCALLS__) || defined(__CHECKER__)
325
326#include <linux/types.h>
327#include <linux/linkage.h>
328#include <asm/signal.h>
329
330struct pt_regs;
331
332/*
333 * we need this inline - forking from kernel space will result
334 * in NO COPY ON WRITE (!!!), until an execve is executed. This
335 * is no problem, but for the stack. This is handled by not letting
336 * main() use the stack at all after fork(). Thus, no function
337 * calls - which means inline code for fork too, as otherwise we
338 * would use the stack upon exit from 'fork()'.
339 *
340 * Actually only pause and fork are needed inline, so that there
341 * won't be any messing with the stack from main(), but we define
342 * some others too.
343 */
344static inline int execve(const char *file, char **argv, char **envp)
345{
346 register long scno asm("r8") = __NR_execve;
347 register long sc1 asm("r12") = (long)file;
348 register long sc2 asm("r11") = (long)argv;
349 register long sc3 asm("r10") = (long)envp;
350 int res;
351
352 asm volatile("scall"
353 : "=r"(sc1)
354 : "r"(scno), "0"(sc1), "r"(sc2), "r"(sc3)
355 : "lr", "memory");
356 res = sc1;
357 __syscall_return(int, res);
358}
359
360asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
361asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
362 struct pt_regs *regs);
363asmlinkage int sys_rt_sigreturn(struct pt_regs *regs);
364asmlinkage int sys_pipe(unsigned long __user *filedes);
365asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
366 unsigned long prot, unsigned long flags,
367 unsigned long fd, off_t offset);
368asmlinkage int sys_cacheflush(int operation, void __user *addr, size_t len);
369asmlinkage int sys_fork(struct pt_regs *regs);
370asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
371 unsigned long parent_tidptr,
372 unsigned long child_tidptr, struct pt_regs *regs);
373asmlinkage int sys_vfork(struct pt_regs *regs);
374asmlinkage int sys_execve(char __user *ufilename, char __user *__user *uargv,
375 char __user *__user *uenvp, struct pt_regs *regs);
376
377#endif
378 302
379/* 303/*
380 * "Conditional" syscalls 304 * "Conditional" syscalls
@@ -384,4 +308,6 @@ asmlinkage int sys_execve(char __user *ufilename, char __user *__user *uargv,
384 */ 308 */
385#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall"); 309#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall");
386 310
311#endif /* __KERNEL__ */
312
387#endif /* __ASM_AVR32_UNISTD_H */ 313#endif /* __ASM_AVR32_UNISTD_H */