| * arch/sh/kernel/sys_sh64.c |
| * Copyright (C) 2000, 2001 Paolo Alberelli |
| * This file contains various random system calls that |
| * have a non-standard calling sequence on the Linux/SH5 |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| #include <linux/utsname.h> |
| #include <linux/syscalls.h> |
| * 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, char *const argv[], char *const envp[]) |
| register unsigned long __sc0 __asm__ ("r9") = ((0x13 << 16) | __NR_execve); |
| register unsigned long __sc2 __asm__ ("r2") = (unsigned long) filename; |
| register unsigned long __sc3 __asm__ ("r3") = (unsigned long) argv; |
| register unsigned long __sc4 __asm__ ("r4") = (unsigned long) envp; |
| __asm__ __volatile__ ("trapa %1 !\t\t\t execve(%2,%3,%4)" |
| : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4) ); |
| __asm__ __volatile__ ("!dummy %0 %1 %2 %3" |
| : : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4) : "memory"); |