119 lines
3.2 KiB
C
119 lines
3.2 KiB
C
/* $NetBSD: bootxx.c,v 1.1 1999/07/08 11:48:06 tsubai Exp $ */
|
|
|
|
/*-
|
|
* 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>
|
|
|
|
#define MAXBLOCKNUM 64
|
|
|
|
void (*entry_point)() = (void *)0;
|
|
int block_size = 8192;
|
|
int block_count = MAXBLOCKNUM;
|
|
int block_table[MAXBLOCKNUM] = { 0 };
|
|
|
|
#ifdef BOOTXX_DEBUG
|
|
# define DPRINTF printf
|
|
#else
|
|
# define DPRINTF while (0) printf
|
|
#endif
|
|
|
|
char *devs[] = { "sd", "fh", "fd", NULL, NULL, "rd", "st" };
|
|
|
|
void
|
|
bootxx(a0, a1, a2, a3, a4, a5)
|
|
int a0, a1, a2, a3, a4, a5;
|
|
{
|
|
int fd, blk, bs;
|
|
int ctlr, unit, part, type;
|
|
int i;
|
|
int bootdev = a1;
|
|
char *addr;
|
|
char devname[32];
|
|
|
|
printf("NetBSD/newsmips Primary Boot\n");
|
|
|
|
DPRINTF("\n");
|
|
DPRINTF("a0 %x\n", a0);
|
|
DPRINTF("a1 %x\n", a1);
|
|
DPRINTF("a2 %x (%s)\n", a2, (char *)a2);
|
|
DPRINTF("a3 %x\n", a3);
|
|
DPRINTF("a4 %x\n", a4);
|
|
DPRINTF("a5 %x\n", a5);
|
|
|
|
DPRINTF("block_size = %d\n", block_size);
|
|
DPRINTF("block_count = %d\n", block_count);
|
|
DPRINTF("entry_point = %x\n", (int)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 = block_size;
|
|
DPRINTF("reading block:");
|
|
for (i = 0; i < block_count; i++) {
|
|
blk = 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)(a0, a1, a2, a3);
|
|
}
|
|
|
|
void
|
|
putchar(x)
|
|
int x;
|
|
{
|
|
char c = x;
|
|
|
|
rom_write(1, &c, 1);
|
|
}
|