63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <sys/cdefs.h>
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#if !defined(__lint)
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__RCSID("$NetBSD: ews4800mips.c,v 1.2 2006/02/18 10:08:07 dsl Exp $");
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#endif /* !__lint */
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#include <sys/param.h>
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#include <unistd.h>
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#include <err.h>
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#include <stdio.h>
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#include "installboot.h"
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static int ews4800mips_setboot(ib_params *);
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struct ib_mach ib_mach_ews4800mips =
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{ "ews4800mips", ews4800mips_setboot, no_clearboot, no_editboot, 0};
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struct bbinfo_params ews4800mips_bbparams = {
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EWS4800MIPS_BBINFO_MAGIC,
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EWS4800MIPS_BOOT_BLOCK_OFFSET,
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EWS4800MIPS_BOOT_BLOCK_BLOCKSIZE,
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EWS4800MIPS_BOOT_BLOCK_MAX_SIZE,
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0,
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BBINFO_BIG_ENDIAN,
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};
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static int
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ews4800mips_setboot(ib_params *params)
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{
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u_int8_t buf[EWS4800MIPS_BOOT_BLOCK_MAX_SIZE];
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int rv;
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rv = pread(params->s1fd, buf, sizeof buf, 0);
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if (rv == -1) {
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warn("Reading `%s'", params->stage1);
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return 0;
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} else if (rv != sizeof buf) {
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warnx("Reading `%s' : short read", params->stage1);
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return 0;
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}
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if (params->flags & IB_NOWRITE)
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return 1;
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if (params->flags & IB_VERBOSE)
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printf("Writing boot block\n");
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rv = pwrite(params->fsfd, buf, sizeof buf, 0);
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if (rv == -1) {
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warn("Writing `%s'", params->filesystem);
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return 0;
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} else if (rv != sizeof buf) {
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warnx("Writing `%s': short write", params->filesystem);
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return 0;
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}
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return 1;
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}
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