Annotation of sys/arch/mvmeppc/stand/libsa/exec_mvme.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: exec_mvme.c,v 1.8 2004/01/29 21:30:04 miod Exp $ */
2:
3: /*-
4: * Copyright (c) 1982, 1986, 1990, 1993
5: * The Regents of the University of California. 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: * 3. Neither the name of the University nor the names of its contributors
16: * may be used to endorse or promote products derived from this software
17: * without specific prior written permission.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: * SUCH DAMAGE.
30: *
31: * @(#)boot.c 8.1 (Berkeley) 6/10/93
32: */
33:
34: #include <sys/param.h>
35: #include <sys/reboot.h>
36: #include <sys/exec_elf.h>
37:
38: #include <machine/prom.h>
39:
40: #include <lib/libkern/libkern.h>
41: #include <lib/libsa/stand.h>
42: #include <lib/libsa/loadfile.h>
43:
44: #include "libsa.h"
45:
46: /*ARGSUSED*/
47: void
48: exec_mvme(file, flag)
49: char *file;
50: int flag;
51: {
52: int fd;
53: u_long marks[MARK_MAX];
54: void (*entry)();
55: u_long *entryp;
56: void *esym;
57: int bootdev;
58:
59: #ifdef DEBUG
60: printf("exec_mvme: file=%s flag=0x%x cputyp=%x\n", file, flag, bugargs.cputyp);
61: #endif
62:
63: fd = open(file, 0);
64: if (fd < 0)
65: return;
66:
67: printf("Booting %s...", file);
68: marks[MARK_START] = 0;
69: if (loadfile(file, marks, LOAD_ALL) >= 0) {
70: close(fd);
71:
72: entryp = (u_long *)&entry;
73: *entryp = marks[MARK_ENTRY];
74: esym = (void *)marks[MARK_END];
75:
76: printf("Start @ 0x%x\n", (unsigned int)entry);
77: printf("Controller Address 0x%x\n", bugargs.ctrl_addr);
78: if (flag & RB_HALT)
79: mvmeprom_return();
80:
81: bootdev = (bugargs.ctrl_lun << 8) | (bugargs.dev_lun & 0xFF);
82: /*
83: * Arguments to start on mvmeppc:
84: * r1 - stack provided by firmware/bootloader
85: * r3 - boot flags
86: * r4 - boot device
87: * r5 - firmware pointer (NULL for PPC1bug)
88: * r6 - arg list
89: * r7 - arg list length
90: * r8 - end of symbol table
91: */
92: /* r3 r4 r5 r6 r7 r8 */
93: (*entry)(flag, bootdev, NULL, NULL, 0, esym);
94:
95: printf("exec: kernel returned!\n");
96: } else {
97: close(fd);
98: }
99: }
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