| /* MN10300 In-kernel program execution |
| * |
| * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public Licence |
| * as published by the Free Software Foundation; either version |
| * 2 of the Licence, or (at your option) any later version. |
| */ |
| #include <linux/linkage.h> |
| #include <asm/unistd.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[]) |
| # |
| # On entry: D0/D1/8(SP): arguments to function |
| # On return: D0: syscall return. |
| # |
| ############################################################################### |
| .globl kernel_execve |
| .type kernel_execve,@function |
| kernel_execve: |
| mov a3,a1 |
| mov d0,a0 |
| mov (12,sp),a3 |
| mov +__NR_execve,d0 |
| syscall 0 |
| mov a1,a3 |
| rets |
| |
| .size kernel_execve,.-kernel_execve |