mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
107 lines
2.7 KiB
C
107 lines
2.7 KiB
C
/*
|
|
* ----------------------------------------------------------------------------
|
|
* "THE BEER-WARE LICENSE" (Revision 42):
|
|
* <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
|
|
* can do whatever you want with this stuff. If we meet some day, and you think
|
|
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
|
|
* ----------------------------------------------------------------------------
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <err.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/sun_disklabel.h>
|
|
#include <paths.h>
|
|
#include <errno.h>
|
|
#include "libdisk.h"
|
|
|
|
#include "geom_sunlabel_enc.c"
|
|
|
|
int
|
|
Write_Disk(const struct disk *d1)
|
|
{
|
|
struct sun_disklabel *sl;
|
|
struct chunk *c, *c1, *c2;
|
|
int i;
|
|
char *p;
|
|
u_long secpercyl;
|
|
char device[64];
|
|
u_char buf[SUN_SIZE];
|
|
int fd;
|
|
|
|
strcpy(device, _PATH_DEV);
|
|
strcat(device, d1->name);
|
|
|
|
fd = open(device, O_RDWR);
|
|
if (fd < 0) {
|
|
warn("open(%s) failed", device);
|
|
return (1);
|
|
}
|
|
|
|
sl = calloc(sizeof *sl, 1);
|
|
c = d1->chunks;
|
|
c2 = c->part;
|
|
secpercyl = d1->bios_sect * d1->bios_hd;
|
|
sl->sl_pcylinders = c->size / secpercyl;
|
|
sl->sl_ncylinders = c2->size / secpercyl;
|
|
sl->sl_acylinders = sl->sl_pcylinders - sl->sl_ncylinders;
|
|
sl->sl_magic = SUN_DKMAGIC;
|
|
sl->sl_nsectors = d1->bios_sect;
|
|
sl->sl_ntracks = d1->bios_hd;
|
|
if (c->size > 4999 * 1024 * 2) {
|
|
sprintf(sl->sl_text, "FreeBSD%luG cyl %u alt %u hd %u sec %u",
|
|
(c->size + 1024 * 1024) / (2 * 1024 * 1024),
|
|
sl->sl_ncylinders, sl->sl_acylinders,
|
|
sl->sl_ntracks, sl->sl_nsectors);
|
|
} else {
|
|
sprintf(sl->sl_text, "FreeBSD%luM cyl %u alt %u hd %u sec %u",
|
|
(c->size + 1024) / (2 * 1024),
|
|
sl->sl_ncylinders, sl->sl_acylinders,
|
|
sl->sl_ntracks, sl->sl_nsectors);
|
|
}
|
|
sl->sl_interleave = 1;
|
|
sl->sl_sparespercyl = 0;
|
|
sl->sl_rpm = 3600;
|
|
|
|
for (c1 = c2->part; c1 != NULL; c1 = c1->next) {
|
|
p = c1->name;
|
|
p += strlen(p);
|
|
p--;
|
|
if (*p < 'a')
|
|
continue;
|
|
i = *p - 'a';
|
|
if (i >= SUN_NPART)
|
|
continue;
|
|
sl->sl_part[i].sdkp_cyloffset = c1->offset / secpercyl;
|
|
sl->sl_part[i].sdkp_nsectors = c1->size;
|
|
for (i = 1; i < 16; i++) {
|
|
write_block(fd, c1->offset + i, d1->boot1 + (i * 512),
|
|
512);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* We need to fill in the "RAW" partition as well. Emperical data
|
|
* seems to indicate that this covers the "obviously" visible part
|
|
* of the disk, ie: sl->sl_ncylinders.
|
|
*/
|
|
sl->sl_part[SUN_RAWPART].sdkp_cyloffset = 0;
|
|
sl->sl_part[SUN_RAWPART].sdkp_nsectors = sl->sl_ncylinders * secpercyl;
|
|
|
|
memset(buf, 0, sizeof buf);
|
|
sunlabel_enc(buf, sl);
|
|
write_block(fd, 0, buf, sizeof buf);
|
|
|
|
close(fd);
|
|
return 0;
|
|
}
|