1 /* $NetBSD: bootxx.c,v 1.11 2014/03/29 05:07:25 ozaki-r Exp $ */
2
3 /*-
4 * Copyright (c) 1999 Izumi Tsutsui. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 /*-
28 * Copyright (C) 1999 Tsubai Masanari. All rights reserved.
29 *
30 * Redistribution and use in source and binary forms, with or without
31 * modification, are permitted provided that the following conditions
32 * are met:
33 * 1. Redistributions of source code must retain the above copyright
34 * notice, this list of conditions and the following disclaimer.
35 * 2. Redistributions in binary form must reproduce the above copyright
36 * notice, this list of conditions and the following disclaimer in the
37 * documentation and/or other materials provided with the distribution.
38 * 3. The name of the author may not be used to endorse or promote products
39 * derived from this software without specific prior written permission.
40 *
41 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
42 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
44 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
45 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
47 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
48 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
49 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
50 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
51 */
52
53 #include <lib/libkern/libkern.h>
54 #include <lib/libsa/stand.h>
55 #include <machine/romcall.h>
56
57 #include <sys/bootblock.h>
58
59 void bootxx(uint32_t, uint32_t, uint32_t, uint32_t);
60
61 struct shared_bbinfo bbinfo = {
62 { NEWS68K_BBINFO_MAGIC }, /* bbi_magic[] */
63 0, /* bbi_block_size */
64 SHARED_BBINFO_MAXBLOCKS, /* bbi_block_count */
65 { 0 }, /* bbi_block_table[] */
66 };
67
68 #ifndef DEFAULT_ENTRY_POINT
69 #define DEFAULT_ENTRY_POINT 0x003e0000
70 #endif
71 void (*entry_point)(uint32_t, uint32_t, uint32_t, uint32_t) =
72 (void *)DEFAULT_ENTRY_POINT;
73
74 #ifdef BOOTXX_DEBUG
75 # define DPRINTF printf
76 #else
77 # define DPRINTF while (0) printf
78 #endif
79
80 char *devs[] = { "hd", "fh", "fd", NULL, NULL, "rd", "st" };
81
82 void
bootxx(uint32_t d4,uint32_t d5,uint32_t d6,uint32_t d7)83 bootxx(uint32_t d4, uint32_t d5, uint32_t d6, uint32_t d7)
84 {
85 int fd, blk, bs;
86 int ctlr, unit, part, type;
87 int i;
88 int bootdev = d6;
89 char *addr;
90 char devname[32];
91
92 printf("NetBSD/news68k Primary Boot\n");
93
94 DPRINTF("\n");
95 DPRINTF("d4 %x\n", d4);
96 DPRINTF("d5 %x (%s)\n", d5, (char *)d5);
97 DPRINTF("d6 %x\n", d6);
98 DPRINTF("d7 %x\n", d7);
99
100 DPRINTF("block_size = %d\n", bbinfo.bbi_block_size);
101 DPRINTF("block_count = %d\n", bbinfo.bbi_block_count);
102 DPRINTF("entry_point = %p\n", entry_point);
103
104 /* sd(ctlr, lun, part, bus?, host) */
105
106 ctlr = BOOTDEV_CTLR(bootdev);
107 unit = BOOTDEV_UNIT(bootdev);
108 part = BOOTDEV_PART(bootdev);
109 type = BOOTDEV_TYPE(bootdev);
110
111 if (devs[type] == NULL) {
112 printf("unknown bootdev (0x%x)\n", bootdev);
113 return;
114 }
115
116 snprintf(devname, sizeof(devname), "%s(%d,%d,%d)",
117 devs[type], ctlr, unit, part);
118
119 fd = rom_open(devname, 0);
120 if (fd == -1) {
121 printf("cannot open %s\n", devname);
122 return;
123 }
124
125 addr = (char *)entry_point;
126 bs = bbinfo.bbi_block_size;
127 DPRINTF("reading block:");
128 for (i = 0; i < bbinfo.bbi_block_count; i++) {
129 blk = bbinfo.bbi_block_table[i];
130
131 DPRINTF(" %d", blk);
132
133 rom_lseek(fd, blk * 512, 0);
134 rom_read(fd, addr, bs);
135 addr += bs;
136 }
137 DPRINTF(" done\n");
138 rom_close(fd);
139
140 (*entry_point)(d4, d5, d6, d7);
141 DPRINTF("bootxx returned?\n");
142 }
143