1/*	$NetBSD: pbsdboot.c,v 1.5 2007/03/04 05:59:53 christos 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
42int
43pbsdboot(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
102cancel:
103	if (0 <= fd) {
104		close(fd);
105	}
106	vmem_free();
107
108	return (-1);
109}
110