110 lines
3.2 KiB
C
110 lines
3.2 KiB
C
/* $NetBSD: bootxx.c,v 1.1 1999/12/09 14:53:23 tsutsui Exp $ */
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/*-
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* Copyright (C) 1999 Izumi Tsutsui. All rights reserved.
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* Copyright (C) 1999 Tsubai Masanari. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <lib/libkern/libkern.h>
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#include <lib/libsa/stand.h>
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#include <machine/romcall.h>
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#define MAXBLOCKNUM 64
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void (*entry_point)() = (void *)0x3e0000;
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int block_size = 8192;
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int block_count = MAXBLOCKNUM;
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int block_table[MAXBLOCKNUM] = { 0 };
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#ifdef BOOTXX_DEBUG
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# define DPRINTF printf
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#else
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# define DPRINTF while (0) printf
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#endif
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char *devs[] = { "hd", "fh", "fd", NULL, NULL, "rd", "st" };
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void
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bootxx(d4, d5, d6, d7)
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int d4, d5, d6, d7;
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{
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int fd, blk, bs;
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int ctlr, unit, part, type;
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int i;
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int bootdev = d6;
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char *addr;
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char devname[32];
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printf("NetBSD/news68k Primary Boot\n");
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DPRINTF("\n");
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DPRINTF("d4 %x\n", d4);
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DPRINTF("d5 %x (%s)\n", d5, (char *)d5);
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DPRINTF("d6 %x\n", d6);
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DPRINTF("d7 %x\n", d7);
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DPRINTF("block_size = %d\n", block_size);
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DPRINTF("block_count = %d\n", block_count);
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DPRINTF("entry_point = %x\n", (int)entry_point);
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/* sd(ctlr, lun, part, bus?, host) */
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ctlr = BOOTDEV_CTLR(bootdev);
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unit = BOOTDEV_UNIT(bootdev);
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part = BOOTDEV_PART(bootdev);
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type = BOOTDEV_TYPE(bootdev);
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if (devs[type] == NULL) {
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printf("unknown bootdev (0x%x)\n", bootdev);
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return;
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}
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sprintf(devname, "%s(%d,%d,%d)", devs[type], ctlr, unit, part);
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fd = rom_open(devname, 0);
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if (fd == -1) {
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printf("cannot open %s\n", devname);
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return;
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}
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addr = (char *)entry_point;
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bs = block_size;
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DPRINTF("reading block:");
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for (i = 0; i < block_count; i++) {
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blk = block_table[i];
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DPRINTF(" %d", blk);
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rom_lseek(fd, blk * 512, 0);
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rom_read(fd, addr, bs);
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addr += bs;
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}
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DPRINTF(" done\n");
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rom_close(fd);
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(*entry_point)(d4, d5, d6, d7);
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DPRINTF("bootxx returned?\n");
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}
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