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/*
* $Id$
* From: $NetBSD: bootsectmain.c,v 1.1.1.1 1997/03/14 02:40:34 perry Exp $
*/
/*
* Copyright (c) 1996
* Matthias Drochner. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project
* by Matthias Drochner.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*
*/
/* load remainder of boot program
(blocks from fraglist),
start main()
needs lowlevel parts from biosdisk_ll.c
*/
#include "biosdisk_ll.h"
#include "bbinfo.h"
int boot_biosdev; /* exported */
extern struct fraglist fraglist;
extern char edata[], end[];
extern void main(void);
void bootsectmain(biosdev)
int biosdev;
{
struct biosdisk_ll d;
int i;
char *buf;
/*
* load sectors from bootdev
*/
d.dev = biosdev;
set_geometry(&d);
buf = (char*)(PRIM_LOADSZ * BIOSDISK_SECSIZE);
for(i = 0; i < fraglist.numentries; i++) {
int dblk, num;
dblk = fraglist.entries[i].offset;
num = fraglist.entries[i].num;
if(readsects(&d, dblk, num, buf, 1))
return; /* halts in start_bootsect.S */
buf += num * BIOSDISK_SECSIZE;
}
/* clear BSS */
buf = edata;
while(buf < end) *buf++ = 0;
/* call main() */
boot_biosdev = biosdev;
/* main(); */
}
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