Annotation of sys/arch/alpha/stand/netboot/netboot.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: netboot.c,v 1.7 2005/12/17 07:31:25 miod Exp $ */
2: /* $NetBSD: netboot.c,v 1.1 1996/09/18 20:03:12 cgd Exp $ */
3:
4: /*
5: * Copyright (c) 1992, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * This code is derived from software contributed to Berkeley by
9: * Ralph Campbell.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: *
35: * @(#)boot.c 8.1 (Berkeley) 6/10/93
36: */
37:
38: #include <lib/libkern/libkern.h>
39: #include <lib/libsa/stand.h>
40:
41: #include <sys/param.h>
42: #include <sys/exec.h>
43: #include <sys/exec_ecoff.h>
44:
45: #include <machine/rpb.h>
46: #include <machine/prom.h>
47:
48: #define _KERNEL
49: #include "include/pte.h"
50:
51: int loadfile(char *, u_int64_t *);
52:
53: char boot_file[128];
54: char boot_flags[128];
55:
56: extern char bootprog_name[], bootprog_rev[];
57:
58: vaddr_t ffp_save, ptbr_save;
59:
60: int debug;
61:
62: void
63: main()
64: {
65: u_int64_t entry;
66:
67: /* Init prom callback vector. */
68: init_prom_calls();
69:
70: /* print a banner */
71: printf("%s %s\n", bootprog_name, bootprog_rev);
72:
73: /* switch to OSF pal code. */
74: OSFpal();
75:
76: prom_getenv(PROM_E_BOOTED_FILE, boot_file, sizeof(boot_file));
77: prom_getenv(PROM_E_BOOTED_OSFLAGS, boot_flags, sizeof(boot_flags));
78:
79: if (boot_file[0] == '\0')
80: bcopy("bsd", boot_file, sizeof "bsd");
81:
82: (void)printf("Boot: %s %s\n", boot_file, boot_flags);
83:
84: if (!loadfile(boot_file, &entry)) {
85: (void)printf("Entering kernel at 0x%lx...\n", entry);
86: (*(void (*)())entry)(ffp_save, ptbr_save, 0);
87: }
88:
89: (void)printf("Boot failed! Halting...\n");
90: halt();
91: }
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