| Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2004-2006 Atmel Corporation |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 as |
| 6 | * published by the Free Software Foundation. |
| 7 | */ |
| Haavard Skinnemoen | 5f97f7f | 2006-09-25 23:32:13 -0700 | [diff] [blame] | 8 | #include <linux/unistd.h> |
| 9 | |
| David Howells | d762746 | 2010-08-17 23:52:56 +0100 | [diff] [blame] | 10 | int kernel_execve(const char *file, |
| 11 | const char *const *argv, |
| 12 | const char *const *envp) |
| Haavard Skinnemoen | c5f2420 | 2006-10-02 02:18:46 -0700 | [diff] [blame] | 13 | { |
| 14 | register long scno asm("r8") = __NR_execve; |
| 15 | register long sc1 asm("r12") = (long)file; |
| 16 | register long sc2 asm("r11") = (long)argv; |
| 17 | register long sc3 asm("r10") = (long)envp; |
| 18 | |
| 19 | asm volatile("scall" |
| 20 | : "=r"(sc1) |
| 21 | : "r"(scno), "0"(sc1), "r"(sc2), "r"(sc3) |
| 22 | : "cc", "memory"); |
| 23 | return sc1; |
| 24 | } |