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 1.3 2019/05/07 04:35:31 thorpej 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 .name = "ews4800mips",
21 .setboot = ews4800mips_setboot,
22 .clearboot = no_clearboot,
23 .editboot = no_editboot,
24 };
25
26 struct bbinfo_params ews4800mips_bbparams = {
27 EWS4800MIPS_BBINFO_MAGIC,
28 EWS4800MIPS_BOOT_BLOCK_OFFSET,
29 EWS4800MIPS_BOOT_BLOCK_BLOCKSIZE,
30 EWS4800MIPS_BOOT_BLOCK_MAX_SIZE,
31 0,
32 BBINFO_BIG_ENDIAN,
33 };
34
35 static int
ews4800mips_setboot(ib_params * params)36 ews4800mips_setboot(ib_params *params)
37 {
38 u_int8_t buf[EWS4800MIPS_BOOT_BLOCK_MAX_SIZE];
39 int rv;
40
41 rv = pread(params->s1fd, buf, sizeof buf, 0);
42 if (rv == -1) {
43 warn("Reading `%s'", params->stage1);
44 return 0;
45 } else if (rv != sizeof buf) {
46 warnx("Reading `%s' : short read", params->stage1);
47 return 0;
48 }
49
50 if (params->flags & IB_NOWRITE)
51 return 1;
52
53 if (params->flags & IB_VERBOSE)
54 printf("Writing boot block\n");
55
56 rv = pwrite(params->fsfd, buf, sizeof buf, 0);
57 if (rv == -1) {
58 warn("Writing `%s'", params->filesystem);
59 return 0;
60 } else if (rv != sizeof buf) {
61 warnx("Writing `%s': short write", params->filesystem);
62 return 0;
63 }
64
65 return 1;
66 }
67