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/*-
* Copyright (c) 2010 Rui Paulo <rpaulo@FreeBSD.org>
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/boot/i386/efi/exec.c 206376 2010-04-07 18:16:05Z rpaulo $");
#include <stand.h>
#include <machine/elf.h>
#include "../btx/lib/btxv86.h"
#include "../../common/bootstrap.h"
uint32_t __base;
struct __v86 __v86;
void
__v86int()
{
printf("%s\n", __func__);
exit(1);
}
void
__exec(caddr_t addr, ...)
{
/* XXX this is wrong */
__asm __volatile("movl %cr0, %eax");
__asm __volatile("andl $0x7fffffff, %eax");
__asm __volatile("mov %eax, %cr0");
__asm __volatile("xorl %eax, %eax");
__asm __volatile("mov %eax, %cr3");
__asm __volatile("movl %cr0, %eax");
__asm __volatile("andl $0xfffffffe, %eax");
__asm __volatile("movl %eax, %cr0");
__asm __volatile("jmp %0" :: "r" (addr));
}