blob: 86039f105268e76f4781e2abe523dcffc40b3729 [file] [log] [blame]
David Howellsb920de12008-02-08 04:19:31 -08001/* 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