1 /* $NetBSD: pbsdboot.c,v 1.6 2007/03/05 21:05:01 dogcow Exp $ */
2
3 /*-
4 * Copyright (c) 1999 Shin Takemura.
5 * All rights reserved.
6 *
7 * This software is part of the PocketBSD.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the PocketBSD project
20 * and its contributors.
21 * 4. Neither the name of the project nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 */
38 #include <pbsdboot.h>
39
40 #define O_RDONLY 0x0000 /* open for reading only */
41
42 int
pbsdboot(TCHAR * wkernel_name,int argc,char * argv[],struct bootinfo * bi)43 pbsdboot(TCHAR *wkernel_name, int argc, char *argv[], struct bootinfo* bi)
44 {
45 int i;
46 void *start, end;
47 void *argbuf, *p;
48 struct bootinfo *bibuf;
49 int fd = -1;
50
51 stat_printf(TEXT("open %s..."), wkernel_name);
52 if (CheckCancel(0) || (fd = open((char*)wkernel_name, O_RDONLY)) < 0) {
53 msg_printf(MSG_ERROR, whoami, TEXT("open failed.\n"));
54 stat_printf(TEXT("open %s...failed"), wkernel_name);
55 goto cancel;
56 }
57
58 stat_printf(TEXT("read information from %s..."), wkernel_name);
59 if (CheckCancel(0) || getinfo(fd, &start, &end) < 0) {
60 stat_printf(TEXT("read information failed"), wkernel_name);
61 goto cancel;
62 }
63
64 stat_printf(TEXT("create memory map..."));
65 if (CheckCancel(0) || vmem_init(start, end) < 0) {
66 stat_printf(TEXT("create memory map...failed"));
67 goto cancel;
68 }
69 //vmem_dump_map();
70
71 stat_printf(TEXT("prepare boot information..."));
72 if ((argbuf = vmem_alloc()) == NULL ||
73 (bibuf = (struct bootinfo*)vmem_alloc()) == NULL) {
74 msg_printf(MSG_ERROR, whoami, TEXT("can't allocate argument page\n"));
75 stat_printf(TEXT("prepare boot information...failed"));
76 goto cancel;
77 }
78
79 memcpy(bibuf, bi, sizeof(struct bootinfo));
80 for (p = &argbuf[sizeof(char*) * argc], i = 0; i < argc; i++) {
81 int arglen = strlen(argv[i]) + 1;
82 ((char**)argbuf)[i] = p;
83 memcpy(p, argv[i], arglen);
84 p += arglen;
85 }
86
87 stat_printf(TEXT("loading..."));
88 if (CheckCancel(0) || loadfile(fd, &start) < 0) {
89 stat_printf(TEXT("loading...failed"));
90 goto cancel;
91 }
92
93 /* last chance to cancel */
94 if (CheckCancel(-1)) {
95 goto cancel;
96 }
97
98 stat_printf(TEXT("execute kernel..."));
99 vmem_exec(start, argc, (char**)argbuf, bibuf);
100 stat_printf(TEXT("execute kernel...failed"));
101
102 cancel:
103 if (0 <= fd) {
104 close(fd);
105 }
106 vmem_free();
107
108 return (-1);
109 }
110