118 lines
3.4 KiB
C
118 lines
3.4 KiB
C
/* $NetBSD: bootxx.c,v 1.5 2003/11/21 19:44:53 tsutsui Exp $ */
|
|
|
|
/*-
|
|
* Copyright (C) 1999 Izumi Tsutsui. All rights reserved.
|
|
* Copyright (C) 1999 Tsubai Masanari. 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. 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.
|
|
*/
|
|
|
|
#include <lib/libkern/libkern.h>
|
|
#include <lib/libsa/stand.h>
|
|
#include <machine/romcall.h>
|
|
|
|
#include <sys/bootblock.h>
|
|
|
|
struct shared_bbinfo bbinfo = {
|
|
{ NEWS68K_BBINFO_MAGIC }, /* bbi_magic[] */
|
|
0, /* bbi_block_size */
|
|
SHARED_BBINFO_MAXBLOCKS, /* bbi_block_count */
|
|
{ 0 }, /* bbi_block_table[] */
|
|
};
|
|
|
|
#ifndef DEFAULT_ENTRY_POINT
|
|
#define DEFAULT_ENTRY_POINT 0x003e0000
|
|
#endif
|
|
void (*entry_point)(u_int32_t, u_int32_t, u_int32_t, u_int32_t) =
|
|
(void *)DEFAULT_ENTRY_POINT;
|
|
|
|
#ifdef BOOTXX_DEBUG
|
|
# define DPRINTF printf
|
|
#else
|
|
# define DPRINTF while (0) printf
|
|
#endif
|
|
|
|
char *devs[] = { "hd", "fh", "fd", NULL, NULL, "rd", "st" };
|
|
|
|
void
|
|
bootxx(d4, d5, d6, d7)
|
|
int d4, d5, d6, d7;
|
|
{
|
|
int fd, blk, bs;
|
|
int ctlr, unit, part, type;
|
|
int i;
|
|
int bootdev = d6;
|
|
char *addr;
|
|
char devname[32];
|
|
|
|
printf("NetBSD/news68k Primary Boot\n");
|
|
|
|
DPRINTF("\n");
|
|
DPRINTF("d4 %x\n", d4);
|
|
DPRINTF("d5 %x (%s)\n", d5, (char *)d5);
|
|
DPRINTF("d6 %x\n", d6);
|
|
DPRINTF("d7 %x\n", d7);
|
|
|
|
DPRINTF("block_size = %d\n", bbinfo.bbi_block_size);
|
|
DPRINTF("block_count = %d\n", bbinfo.bbi_block_count);
|
|
DPRINTF("entry_point = %p\n", entry_point);
|
|
|
|
/* sd(ctlr, lun, part, bus?, host) */
|
|
|
|
ctlr = BOOTDEV_CTLR(bootdev);
|
|
unit = BOOTDEV_UNIT(bootdev);
|
|
part = BOOTDEV_PART(bootdev);
|
|
type = BOOTDEV_TYPE(bootdev);
|
|
|
|
if (devs[type] == NULL) {
|
|
printf("unknown bootdev (0x%x)\n", bootdev);
|
|
return;
|
|
}
|
|
|
|
sprintf(devname, "%s(%d,%d,%d)", devs[type], ctlr, unit, part);
|
|
|
|
fd = rom_open(devname, 0);
|
|
if (fd == -1) {
|
|
printf("cannot open %s\n", devname);
|
|
return;
|
|
}
|
|
|
|
addr = (char *)entry_point;
|
|
bs = bbinfo.bbi_block_size;
|
|
DPRINTF("reading block:");
|
|
for (i = 0; i < bbinfo.bbi_block_count; i++) {
|
|
blk = bbinfo.bbi_block_table[i];
|
|
|
|
DPRINTF(" %d", blk);
|
|
|
|
rom_lseek(fd, blk * 512, 0);
|
|
rom_read(fd, addr, bs);
|
|
addr += bs;
|
|
}
|
|
DPRINTF(" done\n");
|
|
rom_close(fd);
|
|
|
|
(*entry_point)(d4, d5, d6, d7);
|
|
DPRINTF("bootxx returned?\n");
|
|
}
|