mirror of https://gitee.com/openkylin/linux.git
38 lines
1.1 KiB
ArmAsm
38 lines
1.1 KiB
ArmAsm
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/* MN10300 In-kernel program execution
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*
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* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#include <linux/linkage.h>
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#include <asm/unistd.h>
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###############################################################################
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#
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# Do a system call from kernel instead of calling sys_execve so we end up with
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# proper pt_regs.
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#
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# int kernel_execve(const char *filename, char *const argv[],
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# char *const envp[])
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#
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# On entry: D0/D1/8(SP): arguments to function
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# On return: D0: syscall return.
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#
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###############################################################################
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.globl kernel_execve
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.type kernel_execve,@function
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kernel_execve:
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mov a3,a1
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mov d0,a0
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mov (12,sp),a3
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mov +__NR_execve,d0
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syscall 0
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mov a1,a3
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rets
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.size kernel_execve,.-kernel_execve
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