diff options
Diffstat (limited to 'arch/sh/kernel/sys_sh32.c')
| -rw-r--r-- | arch/sh/kernel/sys_sh32.c | 31 |
1 files changed, 2 insertions, 29 deletions
diff --git a/arch/sh/kernel/sys_sh32.c b/arch/sh/kernel/sys_sh32.c index f56b6fe5c5d..b66d1c62eb1 100644 --- a/arch/sh/kernel/sys_sh32.c +++ b/arch/sh/kernel/sys_sh32.c @@ -21,17 +21,14 @@ * sys_pipe() is the normal C calling standard for creating * a pipe. It's not the way Unix traditionally does this, though. */ -asmlinkage int sys_sh_pipe(unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7, - struct pt_regs __regs) +asmlinkage int sys_sh_pipe(void) { - struct pt_regs *regs = RELOC_HIDE(&__regs, 0); int fd[2]; int error; error = do_pipe_flags(fd, 0); if (!error) { - regs->regs[1] = fd[1]; + current_pt_regs()->regs[1] = fd[1]; return fd[0]; } return error; @@ -60,27 +57,3 @@ asmlinkage int sys_fadvise64_64_wrapper(int fd, u32 offset0, u32 offset1, (u64)len0 << 32 | len1, advice); #endif } - -#if defined(CONFIG_CPU_SH2) || defined(CONFIG_CPU_SH2A) -#define SYSCALL_ARG3 "trapa #0x23" -#else -#define SYSCALL_ARG3 "trapa #0x13" -#endif - -/* - * Do a system call from kernel instead of calling sys_execve so we - * end up with proper pt_regs. - */ -int kernel_execve(const char *filename, - const char *const argv[], - const char *const envp[]) -{ - register long __sc0 __asm__ ("r3") = __NR_execve; - register long __sc4 __asm__ ("r4") = (long) filename; - register long __sc5 __asm__ ("r5") = (long) argv; - register long __sc6 __asm__ ("r6") = (long) envp; - __asm__ __volatile__ (SYSCALL_ARG3 : "=z" (__sc0) - : "0" (__sc0), "r" (__sc4), "r" (__sc5), "r" (__sc6) - : "memory"); - return __sc0; -} |