1 
2 #if HAVE_NBTOOL_CONFIG_H
3 #include "nbtool_config.h"
4 #endif
5 
6 #include <sys/cdefs.h>
7 #if !defined(__lint)
8 __RCSID("$NetBSD: ews4800mips.c,v 1.2 2006/02/18 10:08:07 dsl Exp $");
9 #endif	/* !__lint */
10 
11 #include <sys/param.h>
12 #include <unistd.h>
13 #include <err.h>
14 #include <stdio.h>
15 #include "installboot.h"
16 
17 static int ews4800mips_setboot(ib_params *);
18 
19 struct ib_mach ib_mach_ews4800mips =
20 	{ "ews4800mips", ews4800mips_setboot, no_clearboot, no_editboot, 0};
21 
22 struct bbinfo_params ews4800mips_bbparams = {
23 	EWS4800MIPS_BBINFO_MAGIC,
24 	EWS4800MIPS_BOOT_BLOCK_OFFSET,
25 	EWS4800MIPS_BOOT_BLOCK_BLOCKSIZE,
26 	EWS4800MIPS_BOOT_BLOCK_MAX_SIZE,
27 	0,
28 	BBINFO_BIG_ENDIAN,
29 };
30 
31 static int
32 ews4800mips_setboot(ib_params *params)
33 {
34 	u_int8_t buf[EWS4800MIPS_BOOT_BLOCK_MAX_SIZE];
35 	int rv;
36 
37 	rv = pread(params->s1fd, buf, sizeof buf, 0);
38 	if (rv == -1) {
39 		warn("Reading `%s'", params->stage1);
40 		return 0;
41 	} else if (rv != sizeof buf) {
42 		warnx("Reading `%s' : short read", params->stage1);
43 		return 0;
44 	}
45 
46 	if (params->flags & IB_NOWRITE)
47 		return 1;
48 
49 	if (params->flags & IB_VERBOSE)
50 		printf("Writing boot block\n");
51 
52 	rv = pwrite(params->fsfd, buf, sizeof buf, 0);
53 	if (rv == -1) {
54 		warn("Writing `%s'", params->filesystem);
55 		return 0;
56 	} else if (rv != sizeof buf) {
57 		warnx("Writing `%s': short write", params->filesystem);
58 		return 0;
59 	}
60 
61 	return 1;
62 }
63