#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif

#include <sys/cdefs.h>
#if !defined(__lint)
__RCSID("$NetBSD: ews4800mips.c,v 1.3 2019/05/07 04:35:31 thorpej Exp $");
#endif  /* !__lint */

#include <sys/param.h>
#include <unistd.h>
#include <err.h>
#include <stdio.h>
#include "installboot.h"

static int ews4800mips_setboot(ib_params *);

struct ib_mach ib_mach_ews4800mips = {
        .name           =       "ews4800mips",
        .setboot        =       ews4800mips_setboot,
        .clearboot      =       no_clearboot,
        .editboot       =       no_editboot,
};

struct bbinfo_params ews4800mips_bbparams = {
        EWS4800MIPS_BBINFO_MAGIC,
        EWS4800MIPS_BOOT_BLOCK_OFFSET,
        EWS4800MIPS_BOOT_BLOCK_BLOCKSIZE,
        EWS4800MIPS_BOOT_BLOCK_MAX_SIZE,
        0,
        BBINFO_BIG_ENDIAN,
};

static int
ews4800mips_setboot(ib_params *params)
{
        u_int8_t buf[EWS4800MIPS_BOOT_BLOCK_MAX_SIZE];
        int rv;

        rv = pread(params->s1fd, buf, sizeof buf, 0);
        if (rv == -1) {
                warn("Reading `%s'", params->stage1);
                return 0;
        } else if (rv != sizeof buf) {
                warnx("Reading `%s' : short read", params->stage1);
                return 0;
        }

        if (params->flags & IB_NOWRITE)
                return 1;

        if (params->flags & IB_VERBOSE)
                printf("Writing boot block\n");

        rv = pwrite(params->fsfd, buf, sizeof buf, 0);
        if (rv == -1) {
                warn("Writing `%s'", params->filesystem);
                return 0;
        } else if (rv != sizeof buf) {
                warnx("Writing `%s': short write", params->filesystem);
                return 0;
        }

        return 1;
}