1/* MN10300 In-kernel program execution 2 * 3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. 4 * Written by David Howells (dhowells@redhat.com) 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public Licence 8 * as published by the Free Software Foundation; either version 9 * 2 of the Licence, or (at your option) any later version. 10 */ 11#include <linux/linkage.h> 12#include <asm/unistd.h> 13 14############################################################################### 15# 16# Do a system call from kernel instead of calling sys_execve so we end up with 17# proper pt_regs. 18# 19# int kernel_execve(const char *filename, char *const argv[], 20# char *const envp[]) 21# 22# On entry: D0/D1/8(SP): arguments to function 23# On return: D0: syscall return. 24# 25############################################################################### 26 .globl kernel_execve 27 .type kernel_execve,@function 28kernel_execve: 29 mov a3,a1 30 mov d0,a0 31 mov (12,sp),a3 32 mov +__NR_execve,d0 33 syscall 0 34 mov a1,a3 35 rets 36 37 .size kernel_execve,.-kernel_execve 38