Annotation of sys/arch/hppa/stand/cdboot/cdboot.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: cdboot.c,v 1.7 2004/06/14 00:32:31 deraadt Exp $ */
2:
3: /*
4: * Copyright (c) 2003 Michael Shalayeff
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19: * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
20: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22: * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
25: * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26: * THE POSSIBILITY OF SUCH DAMAGE.
27: */
28:
29: #include <sys/param.h>
30: #include <sys/reboot.h>
31: #include <sys/stat.h>
32: #include <libsa.h>
33: #include <lib/libsa/cd9660.h>
34: #include <lib/libsa/loadfile.h>
35: #include <dev/cons.h>
36: #include <machine/pdc.h>
37: #include <stand/boot/bootarg.h>
38: #include "dev_hppa.h"
39: #include "cmd.h"
40:
41: dev_t bootdev;
42: int debug = 1;
43: int bootprompt = 1;
44:
45: struct fs_ops file_system[] = {
46: { cd9660_open, cd9660_close, cd9660_read, cd9660_write, cd9660_seek,
47: cd9660_stat, cd9660_readdir },
48: };
49: int nfsys = NENTS(file_system);
50:
51: struct devsw devsw[] = {
52: { "dk", iodcstrategy, dkopen, dkclose, noioctl },
53: };
54: int ndevs = NENTS(devsw);
55:
56: struct consdev constab[] = {
57: { ite_probe, ite_init, ite_getc, ite_putc },
58: { NULL }
59: };
60: struct consdev *cn_tab;
61:
62: typedef void (*startfuncp)(int, int, int, int, int, int, caddr_t)
63: __attribute__ ((noreturn));
64:
65: void
66: boot(dev_t dev)
67: {
68: u_long marks[MARK_MAX];
69: char path[128];
70:
71: pdc_init();
72: cninit();
73: devboot(dev, path);
74: strncpy(path + strlen(path), ":/bsd.rd", 9);
75: printf(">> OpenBSD/" MACHINE " CDBOOT 0.1\n"
76: "booting %s: ", path);
77:
78: marks[MARK_START] = (u_long)DEFAULT_KERNEL_ADDRESS;
79: if (!loadfile(path, marks, LOAD_KERNEL)) {
80: marks[MARK_END] = ALIGN(marks[MARK_END] -
81: (u_long)DEFAULT_KERNEL_ADDRESS);
82: fcacheall();
83:
84: __asm("mtctl %r0, %cr17");
85: __asm("mtctl %r0, %cr17");
86: (*(startfuncp)(marks[MARK_ENTRY]))((int)pdc, 0, bootdev,
87: marks[MARK_END], BOOTARG_APIVER, BOOTARG_LEN,
88: (caddr_t)BOOTARG_OFF);
89: /* not reached */
90: }
91: }
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