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/*
* plex86: run multiple x86 operating systems concurrently
* Copyright (C) 1999 Kevin P. Lawton
*
* virtcode.c: This file contains the test code to run in the VM
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "virtcode.h"
asm (
".text; .globl _start \n"
"_start: \n"
" movw %ss, %ax \n" /* Setup the segment registers */
" movw %ax, %ds \n"
" movw %ax, %es \n"
" movw %ax, %fs \n"
" movw %ax, %gs \n"
" call do_nothing \n" /* Run the test code */
"1: jmp 1b \n" /* Should never get here */
);
void
do_nothing(void)
{
if(init_keyboard()<0) return;
clear_screen();
/* we're go !! */
printstr("Hello, world !!\n\n");
printstr("Try pressing some keys...\n");
/* execute minishell; should never return */
minishell();
}
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