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/* $NetBSD: lkminit_linux.c,v 1.4 1997/05/19 22:11:17 jtc Exp $ */
/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Michael Graff <explorer@flame.org>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/mount.h>
#include <sys/exec.h>
#include <sys/exec_elf.h>
#include <sys/lkm.h>
#include <sys/file.h>
#include <sys/errno.h>
#include <machine/cpu.h>
#include <machine/reg.h>
#include <compat/linux/linux_exec.h>
extern int exec_linux_aout_makecmds();
extern struct emul *emul_linux_elf;
extern struct emul *emul_linux_aout;
extern struct emul _emul_linux_elf;
extern struct emul _emul_linux_aout;
struct execsw linux_lkm_execsw = {
LINUX_AOUT_HDR_SIZE, exec_linux_aout_makecmds,
};
/*
* declare the filesystem
*/
MOD_EXEC("compat_linux", -1, &linux_lkm_execsw);
/*
* entry point
*/
int
compat_linux_lkmentry(lkmtp, cmd, ver)
struct lkm_table *lkmtp;
int cmd;
int ver;
{
DISPATCH(lkmtp, cmd, ver,
compat_linux_lkmload,
compat_linux_lkmunload,
lkm_nofunc);
}
int
compat_linux_lkmload(lkmtp, cmd)
struct lkm_table *lkmtp;
int cmd;
{
if (elf_probe_funcs_insert(linux_elf32_probe))
return 1; /* Failure! */
emul_linux_aout = &_emul_linux_aout;
emul_linux_elf = &_emul_linux_elf;
return 0;
}
/*
* Note that it is NOT safe to unload this at all...
*/
int
compat_linux_lkmunload(lkmtp, cmd)
struct lkm_table *lkmtp;
int cmd;
{
if (elf_probe_funcs_insert(linux_elf32_probe))
return 1; /* Failure! */
emul_linux_aout = NULL;
emul_linux_elf = NULL;
return 0;
}
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