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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/mn10300/kernel/kernel_execve.S
10817 views
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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 ([email protected])

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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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