mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-11-30 15:10:36 +00:00
cf5731bcbd
When the display unit is sectors, the partition alignment will convert the partition start to a wrong unit (it should always be in sectors). Fix this. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
734 lines
20 KiB
C
734 lines
20 KiB
C
/*
|
|
* fdisk_sun.c
|
|
*
|
|
* I think this is mostly, or entirely, due to
|
|
* Jakub Jelinek (jj@sunsite.mff.cuni.cz), July 1996
|
|
*
|
|
* Merged with fdisk for other architectures, aeb, June 1998.
|
|
*
|
|
* Sat Mar 20 EST 1999 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
|
|
* Internationalization
|
|
*
|
|
* Licensed under GPLv2, see file LICENSE in this source tree.
|
|
*/
|
|
|
|
#if ENABLE_FEATURE_SUN_LABEL
|
|
|
|
#define SUNOS_SWAP 3
|
|
#define SUN_WHOLE_DISK 5
|
|
|
|
#define SUN_LABEL_MAGIC 0xDABE
|
|
#define SUN_LABEL_MAGIC_SWAPPED 0xBEDA
|
|
#define SUN_SSWAP16(x) (sun_other_endian ? fdisk_swap16(x) : (uint16_t)(x))
|
|
#define SUN_SSWAP32(x) (sun_other_endian ? fdisk_swap32(x) : (uint32_t)(x))
|
|
|
|
/* Copied from linux/major.h */
|
|
#define FLOPPY_MAJOR 2
|
|
|
|
#define SCSI_IOCTL_GET_IDLUN 0x5382
|
|
|
|
static smallint sun_other_endian;
|
|
static smallint scsi_disk;
|
|
static smallint floppy;
|
|
|
|
#ifndef IDE0_MAJOR
|
|
#define IDE0_MAJOR 3
|
|
#endif
|
|
#ifndef IDE1_MAJOR
|
|
#define IDE1_MAJOR 22
|
|
#endif
|
|
|
|
static void
|
|
guess_device_type(void)
|
|
{
|
|
struct stat bootstat;
|
|
|
|
if (fstat(dev_fd, &bootstat) < 0) {
|
|
scsi_disk = 0;
|
|
floppy = 0;
|
|
} else if (S_ISBLK(bootstat.st_mode)
|
|
&& (major(bootstat.st_rdev) == IDE0_MAJOR ||
|
|
major(bootstat.st_rdev) == IDE1_MAJOR)) {
|
|
scsi_disk = 0;
|
|
floppy = 0;
|
|
} else if (S_ISBLK(bootstat.st_mode)
|
|
&& major(bootstat.st_rdev) == FLOPPY_MAJOR) {
|
|
scsi_disk = 0;
|
|
floppy = 1;
|
|
} else {
|
|
scsi_disk = 1;
|
|
floppy = 0;
|
|
}
|
|
}
|
|
|
|
static const char *const sun_sys_types[] = {
|
|
"\x00" "Empty" , /* 0 */
|
|
"\x01" "Boot" , /* 1 */
|
|
"\x02" "SunOS root" , /* 2 */
|
|
"\x03" "SunOS swap" , /* SUNOS_SWAP */
|
|
"\x04" "SunOS usr" , /* 4 */
|
|
"\x05" "Whole disk" , /* SUN_WHOLE_DISK */
|
|
"\x06" "SunOS stand" , /* 6 */
|
|
"\x07" "SunOS var" , /* 7 */
|
|
"\x08" "SunOS home" , /* 8 */
|
|
"\x82" "Linux swap" , /* LINUX_SWAP */
|
|
"\x83" "Linux native", /* LINUX_NATIVE */
|
|
"\x8e" "Linux LVM" , /* 0x8e */
|
|
/* New (2.2.x) raid partition with autodetect using persistent superblock */
|
|
"\xfd" "Linux raid autodetect", /* 0xfd */
|
|
NULL
|
|
};
|
|
|
|
|
|
static void
|
|
set_sun_partition(int i, unsigned start, unsigned stop, int sysid)
|
|
{
|
|
sunlabel->infos[i].id = sysid;
|
|
sunlabel->partitions[i].start_cylinder =
|
|
SUN_SSWAP32(start / (g_heads * g_sectors));
|
|
sunlabel->partitions[i].num_sectors =
|
|
SUN_SSWAP32(stop - start);
|
|
set_changed(i);
|
|
}
|
|
|
|
static int
|
|
check_sun_label(void)
|
|
{
|
|
unsigned short *ush;
|
|
int csum;
|
|
|
|
if (sunlabel->magic != SUN_LABEL_MAGIC
|
|
&& sunlabel->magic != SUN_LABEL_MAGIC_SWAPPED
|
|
) {
|
|
current_label_type = LABEL_DOS;
|
|
sun_other_endian = 0;
|
|
return 0;
|
|
}
|
|
sun_other_endian = (sunlabel->magic == SUN_LABEL_MAGIC_SWAPPED);
|
|
ush = ((unsigned short *) (sunlabel + 1)) - 1;
|
|
for (csum = 0; ush >= (unsigned short *)sunlabel;) csum ^= *ush--;
|
|
if (csum) {
|
|
printf("Detected sun disklabel with wrong checksum.\n"
|
|
"Probably you'll have to set all the values,\n"
|
|
"e.g. heads, sectors, cylinders and partitions\n"
|
|
"or force a fresh label (s command in main menu)\n");
|
|
} else {
|
|
g_heads = SUN_SSWAP16(sunlabel->ntrks);
|
|
g_cylinders = SUN_SSWAP16(sunlabel->ncyl);
|
|
g_sectors = SUN_SSWAP16(sunlabel->nsect);
|
|
}
|
|
update_units();
|
|
current_label_type = LABEL_SUN;
|
|
g_partitions = 8;
|
|
return 1;
|
|
}
|
|
|
|
static const struct sun_predefined_drives {
|
|
const char *vendor;
|
|
const char *model;
|
|
unsigned short sparecyl;
|
|
unsigned short ncyl;
|
|
unsigned short nacyl;
|
|
unsigned short pcylcount;
|
|
unsigned short ntrks;
|
|
unsigned short nsect;
|
|
unsigned short rspeed;
|
|
} sun_drives[] = {
|
|
{ "Quantum","ProDrive 80S",1,832,2,834,6,34,3662},
|
|
{ "Quantum","ProDrive 105S",1,974,2,1019,6,35,3662},
|
|
{ "CDC","Wren IV 94171-344",3,1545,2,1549,9,46,3600},
|
|
{ "IBM","DPES-31080",0,4901,2,4903,4,108,5400},
|
|
{ "IBM","DORS-32160",0,1015,2,1017,67,62,5400},
|
|
{ "IBM","DNES-318350",0,11199,2,11474,10,320,7200},
|
|
{ "SEAGATE","ST34371",0,3880,2,3882,16,135,7228},
|
|
{ "","SUN0104",1,974,2,1019,6,35,3662},
|
|
{ "","SUN0207",4,1254,2,1272,9,36,3600},
|
|
{ "","SUN0327",3,1545,2,1549,9,46,3600},
|
|
{ "","SUN0340",0,1538,2,1544,6,72,4200},
|
|
{ "","SUN0424",2,1151,2,2500,9,80,4400},
|
|
{ "","SUN0535",0,1866,2,2500,7,80,5400},
|
|
{ "","SUN0669",5,1614,2,1632,15,54,3600},
|
|
{ "","SUN1.0G",5,1703,2,1931,15,80,3597},
|
|
{ "","SUN1.05",0,2036,2,2038,14,72,5400},
|
|
{ "","SUN1.3G",6,1965,2,3500,17,80,5400},
|
|
{ "","SUN2.1G",0,2733,2,3500,19,80,5400},
|
|
{ "IOMEGA","Jaz",0,1019,2,1021,64,32,5394},
|
|
};
|
|
|
|
static const struct sun_predefined_drives *
|
|
sun_autoconfigure_scsi(void)
|
|
{
|
|
const struct sun_predefined_drives *p = NULL;
|
|
|
|
#ifdef SCSI_IOCTL_GET_IDLUN
|
|
unsigned int id[2];
|
|
char buffer[2048];
|
|
char buffer2[2048];
|
|
FILE *pfd;
|
|
char *vendor;
|
|
char *model;
|
|
char *q;
|
|
int i;
|
|
|
|
if (ioctl(dev_fd, SCSI_IOCTL_GET_IDLUN, &id))
|
|
return NULL;
|
|
|
|
sprintf(buffer,
|
|
"Host: scsi%u Channel: %02u Id: %02u Lun: %02u\n",
|
|
/* This is very wrong (works only if you have one HBA),
|
|
but I haven't found a way how to get hostno
|
|
from the current kernel */
|
|
0,
|
|
(id[0]>>16) & 0xff,
|
|
id[0] & 0xff,
|
|
(id[0]>>8) & 0xff
|
|
);
|
|
pfd = fopen_for_read("/proc/scsi/scsi");
|
|
if (!pfd) {
|
|
return NULL;
|
|
}
|
|
while (fgets(buffer2, 2048, pfd)) {
|
|
if (strcmp(buffer, buffer2))
|
|
continue;
|
|
if (!fgets(buffer2, 2048, pfd))
|
|
break;
|
|
q = strstr(buffer2, "Vendor: ");
|
|
if (!q)
|
|
break;
|
|
q += 8;
|
|
vendor = q;
|
|
q = strstr(q, " ");
|
|
*q++ = '\0'; /* truncate vendor name */
|
|
q = strstr(q, "Model: ");
|
|
if (!q)
|
|
break;
|
|
*q = '\0';
|
|
q += 7;
|
|
model = q;
|
|
q = strstr(q, " Rev: ");
|
|
if (!q)
|
|
break;
|
|
*q = '\0';
|
|
for (i = 0; i < ARRAY_SIZE(sun_drives); i++) {
|
|
if (*sun_drives[i].vendor && strcasecmp(sun_drives[i].vendor, vendor))
|
|
continue;
|
|
if (!strstr(model, sun_drives[i].model))
|
|
continue;
|
|
printf("Autoconfigure found a %s%s%s\n",
|
|
sun_drives[i].vendor,
|
|
(*sun_drives[i].vendor) ? " " : "",
|
|
sun_drives[i].model);
|
|
p = sun_drives + i;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
fclose(pfd);
|
|
#endif
|
|
return p;
|
|
}
|
|
|
|
static void
|
|
create_sunlabel(void)
|
|
{
|
|
struct hd_geometry geometry;
|
|
unsigned ndiv;
|
|
unsigned char c;
|
|
const struct sun_predefined_drives *p = NULL;
|
|
|
|
printf(msg_building_new_label, "sun disklabel");
|
|
|
|
sun_other_endian = BB_LITTLE_ENDIAN;
|
|
memset(MBRbuffer, 0, sizeof(MBRbuffer));
|
|
sunlabel->magic = SUN_SSWAP16(SUN_LABEL_MAGIC);
|
|
if (!floppy) {
|
|
unsigned i;
|
|
puts("Drive type\n"
|
|
" ? auto configure\n"
|
|
" 0 custom (with hardware detected defaults)");
|
|
for (i = 0; i < ARRAY_SIZE(sun_drives); i++) {
|
|
printf(" %c %s%s%s\n",
|
|
i + 'a', sun_drives[i].vendor,
|
|
(*sun_drives[i].vendor) ? " " : "",
|
|
sun_drives[i].model);
|
|
}
|
|
while (1) {
|
|
c = read_nonempty("Select type (? for auto, 0 for custom): ");
|
|
if (c == '0') {
|
|
break;
|
|
}
|
|
if (c >= 'a' && c < 'a' + ARRAY_SIZE(sun_drives)) {
|
|
p = sun_drives + c - 'a';
|
|
break;
|
|
}
|
|
if (c >= 'A' && c < 'A' + ARRAY_SIZE(sun_drives)) {
|
|
p = sun_drives + c - 'A';
|
|
break;
|
|
}
|
|
if (c == '?' && scsi_disk) {
|
|
p = sun_autoconfigure_scsi();
|
|
if (p)
|
|
break;
|
|
printf("Autoconfigure failed\n");
|
|
}
|
|
}
|
|
}
|
|
if (!p || floppy) {
|
|
if (!ioctl(dev_fd, HDIO_GETGEO, &geometry)) {
|
|
g_heads = geometry.heads;
|
|
g_sectors = geometry.sectors;
|
|
g_cylinders = geometry.cylinders;
|
|
} else {
|
|
g_heads = 0;
|
|
g_sectors = 0;
|
|
g_cylinders = 0;
|
|
}
|
|
if (floppy) {
|
|
sunlabel->nacyl = 0;
|
|
sunlabel->pcylcount = SUN_SSWAP16(g_cylinders);
|
|
sunlabel->rspeed = SUN_SSWAP16(300);
|
|
sunlabel->ilfact = SUN_SSWAP16(1);
|
|
sunlabel->sparecyl = 0;
|
|
} else {
|
|
g_heads = read_int(1, g_heads, 1024, 0, "Heads");
|
|
g_sectors = read_int(1, g_sectors, 1024, 0, "Sectors/track");
|
|
if (g_cylinders)
|
|
g_cylinders = read_int(1, g_cylinders - 2, 65535, 0, "Cylinders");
|
|
else
|
|
g_cylinders = read_int(1, 0, 65535, 0, "Cylinders");
|
|
sunlabel->nacyl = SUN_SSWAP16(read_int(0, 2, 65535, 0, "Alternate cylinders"));
|
|
sunlabel->pcylcount = SUN_SSWAP16(read_int(0, g_cylinders + SUN_SSWAP16(sunlabel->nacyl), 65535, 0, "Physical cylinders"));
|
|
sunlabel->rspeed = SUN_SSWAP16(read_int(1, 5400, 100000, 0, "Rotation speed (rpm)"));
|
|
sunlabel->ilfact = SUN_SSWAP16(read_int(1, 1, 32, 0, "Interleave factor"));
|
|
sunlabel->sparecyl = SUN_SSWAP16(read_int(0, 0, g_sectors, 0, "Extra sectors per cylinder"));
|
|
}
|
|
} else {
|
|
sunlabel->sparecyl = SUN_SSWAP16(p->sparecyl);
|
|
sunlabel->ncyl = SUN_SSWAP16(p->ncyl);
|
|
sunlabel->nacyl = SUN_SSWAP16(p->nacyl);
|
|
sunlabel->pcylcount = SUN_SSWAP16(p->pcylcount);
|
|
sunlabel->ntrks = SUN_SSWAP16(p->ntrks);
|
|
sunlabel->nsect = SUN_SSWAP16(p->nsect);
|
|
sunlabel->rspeed = SUN_SSWAP16(p->rspeed);
|
|
sunlabel->ilfact = SUN_SSWAP16(1);
|
|
g_cylinders = p->ncyl;
|
|
g_heads = p->ntrks;
|
|
g_sectors = p->nsect;
|
|
puts("You may change all the disk params from the x menu");
|
|
}
|
|
|
|
snprintf((char *)(sunlabel->info), sizeof(sunlabel->info),
|
|
"%s%s%s cyl %u alt %u hd %u sec %u",
|
|
p ? p->vendor : "", (p && *p->vendor) ? " " : "",
|
|
p ? p->model : (floppy ? "3,5\" floppy" : "Linux custom"),
|
|
g_cylinders, SUN_SSWAP16(sunlabel->nacyl), g_heads, g_sectors);
|
|
|
|
sunlabel->ntrks = SUN_SSWAP16(g_heads);
|
|
sunlabel->nsect = SUN_SSWAP16(g_sectors);
|
|
sunlabel->ncyl = SUN_SSWAP16(g_cylinders);
|
|
if (floppy)
|
|
set_sun_partition(0, 0, g_cylinders * g_heads * g_sectors, LINUX_NATIVE);
|
|
else {
|
|
if (g_cylinders * g_heads * g_sectors >= 150 * 2048) {
|
|
ndiv = g_cylinders - (50 * 2048 / (g_heads * g_sectors)); /* 50M swap */
|
|
} else
|
|
ndiv = g_cylinders * 2 / 3;
|
|
set_sun_partition(0, 0, ndiv * g_heads * g_sectors, LINUX_NATIVE);
|
|
set_sun_partition(1, ndiv * g_heads * g_sectors, g_cylinders * g_heads * g_sectors, LINUX_SWAP);
|
|
sunlabel->infos[1].flags |= 0x01; /* Not mountable */
|
|
}
|
|
set_sun_partition(2, 0, g_cylinders * g_heads * g_sectors, SUN_WHOLE_DISK);
|
|
{
|
|
unsigned short *ush = (unsigned short *)sunlabel;
|
|
unsigned short csum = 0;
|
|
while (ush < (unsigned short *)(&sunlabel->csum))
|
|
csum ^= *ush++;
|
|
sunlabel->csum = csum;
|
|
}
|
|
|
|
set_all_unchanged();
|
|
set_changed(0);
|
|
check_sun_label();
|
|
get_boot(CREATE_EMPTY_SUN);
|
|
}
|
|
|
|
static void
|
|
toggle_sunflags(int i, unsigned char mask)
|
|
{
|
|
if (sunlabel->infos[i].flags & mask)
|
|
sunlabel->infos[i].flags &= ~mask;
|
|
else
|
|
sunlabel->infos[i].flags |= mask;
|
|
set_changed(i);
|
|
}
|
|
|
|
static void
|
|
fetch_sun(unsigned *starts, unsigned *lens, unsigned *start, unsigned *stop)
|
|
{
|
|
int i, continuous = 1;
|
|
|
|
*start = 0;
|
|
*stop = g_cylinders * g_heads * g_sectors;
|
|
for (i = 0; i < g_partitions; i++) {
|
|
if (sunlabel->partitions[i].num_sectors
|
|
&& sunlabel->infos[i].id
|
|
&& sunlabel->infos[i].id != SUN_WHOLE_DISK) {
|
|
starts[i] = SUN_SSWAP32(sunlabel->partitions[i].start_cylinder) * g_heads * g_sectors;
|
|
lens[i] = SUN_SSWAP32(sunlabel->partitions[i].num_sectors);
|
|
if (continuous) {
|
|
if (starts[i] == *start)
|
|
*start += lens[i];
|
|
else if (starts[i] + lens[i] >= *stop)
|
|
*stop = starts[i];
|
|
else
|
|
continuous = 0;
|
|
/* There will be probably more gaps
|
|
than one, so lets check afterwards */
|
|
}
|
|
} else {
|
|
starts[i] = 0;
|
|
lens[i] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
static unsigned *verify_sun_starts;
|
|
|
|
static int
|
|
verify_sun_cmp(int *a, int *b)
|
|
{
|
|
if (*a == -1) return 1;
|
|
if (*b == -1) return -1;
|
|
if (verify_sun_starts[*a] > verify_sun_starts[*b]) return 1;
|
|
return -1;
|
|
}
|
|
|
|
static void
|
|
verify_sun(void)
|
|
{
|
|
unsigned starts[8], lens[8], start, stop;
|
|
int i,j,k,starto,endo;
|
|
int array[8];
|
|
|
|
verify_sun_starts = starts;
|
|
fetch_sun(starts, lens, &start, &stop);
|
|
for (k = 0; k < 7; k++) {
|
|
for (i = 0; i < 8; i++) {
|
|
if (k && (lens[i] % (g_heads * g_sectors))) {
|
|
printf("Partition %u doesn't end on cylinder boundary\n", i+1);
|
|
}
|
|
if (lens[i]) {
|
|
for (j = 0; j < i; j++)
|
|
if (lens[j]) {
|
|
if (starts[j] == starts[i]+lens[i]) {
|
|
starts[j] = starts[i]; lens[j] += lens[i];
|
|
lens[i] = 0;
|
|
} else if (starts[i] == starts[j]+lens[j]){
|
|
lens[j] += lens[i];
|
|
lens[i] = 0;
|
|
} else if (!k) {
|
|
if (starts[i] < starts[j]+lens[j]
|
|
&& starts[j] < starts[i]+lens[i]) {
|
|
starto = starts[i];
|
|
if (starts[j] > starto)
|
|
starto = starts[j];
|
|
endo = starts[i]+lens[i];
|
|
if (starts[j]+lens[j] < endo)
|
|
endo = starts[j]+lens[j];
|
|
printf("Partition %u overlaps with others in "
|
|
"sectors %u-%u\n", i+1, starto, endo);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
for (i = 0; i < 8; i++) {
|
|
if (lens[i])
|
|
array[i] = i;
|
|
else
|
|
array[i] = -1;
|
|
}
|
|
qsort(array, ARRAY_SIZE(array), sizeof(array[0]),
|
|
(int (*)(const void *,const void *)) verify_sun_cmp);
|
|
if (array[0] == -1) {
|
|
printf("No partitions defined\n");
|
|
return;
|
|
}
|
|
stop = g_cylinders * g_heads * g_sectors;
|
|
if (starts[array[0]])
|
|
printf("Unused gap - sectors %u-%u\n", 0, starts[array[0]]);
|
|
for (i = 0; i < 7 && array[i+1] != -1; i++) {
|
|
printf("Unused gap - sectors %u-%u\n", starts[array[i]]+lens[array[i]], starts[array[i+1]]);
|
|
}
|
|
start = starts[array[i]] + lens[array[i]];
|
|
if (start < stop)
|
|
printf("Unused gap - sectors %u-%u\n", start, stop);
|
|
}
|
|
|
|
static void
|
|
add_sun_partition(int n, int sys)
|
|
{
|
|
unsigned start, stop, stop2;
|
|
unsigned starts[8], lens[8];
|
|
int whole_disk = 0;
|
|
|
|
char mesg[256];
|
|
int i, first, last;
|
|
|
|
if (sunlabel->partitions[n].num_sectors && sunlabel->infos[n].id) {
|
|
printf(msg_part_already_defined, n + 1);
|
|
return;
|
|
}
|
|
|
|
fetch_sun(starts, lens, &start, &stop);
|
|
if (stop <= start) {
|
|
if (n == 2)
|
|
whole_disk = 1;
|
|
else {
|
|
printf("Other partitions already cover the whole disk.\n"
|
|
"Delete/shrink them before retry.\n");
|
|
return;
|
|
}
|
|
}
|
|
snprintf(mesg, sizeof(mesg), "First %s", str_units(SINGULAR));
|
|
while (1) {
|
|
if (whole_disk)
|
|
first = read_int(0, 0, 0, 0, mesg);
|
|
else
|
|
first = read_int(scround(start), scround(stop)+1,
|
|
scround(stop), 0, mesg);
|
|
if (display_in_cyl_units) {
|
|
first *= units_per_sector;
|
|
} else {
|
|
/* Starting sector has to be properly aligned */
|
|
first = (first + g_heads * g_sectors - 1) /
|
|
(g_heads * g_sectors);
|
|
first *= g_heads * g_sectors;
|
|
}
|
|
if (n == 2 && first != 0)
|
|
printf("\
|
|
It is highly recommended that the third partition covers the whole disk\n\
|
|
and is of type 'Whole disk'\n");
|
|
/* ewt asks to add: "don't start a partition at cyl 0"
|
|
However, edmundo@rano.demon.co.uk writes:
|
|
"In addition to having a Sun partition table, to be able to
|
|
boot from the disc, the first partition, /dev/sdX1, must
|
|
start at cylinder 0. This means that /dev/sdX1 contains
|
|
the partition table and the boot block, as these are the
|
|
first two sectors of the disc. Therefore you must be
|
|
careful what you use /dev/sdX1 for. In particular, you must
|
|
not use a partition starting at cylinder 0 for Linux swap,
|
|
as that would overwrite the partition table and the boot
|
|
block. You may, however, use such a partition for a UFS
|
|
or EXT2 file system, as these file systems leave the first
|
|
1024 bytes undisturbed. */
|
|
/* On the other hand, one should not use partitions
|
|
starting at block 0 in an md, or the label will
|
|
be trashed. */
|
|
for (i = 0; i < g_partitions; i++)
|
|
if (lens[i] && starts[i] <= first && starts[i] + lens[i] > first)
|
|
break;
|
|
if (i < g_partitions && !whole_disk) {
|
|
if (n == 2 && !first) {
|
|
whole_disk = 1;
|
|
break;
|
|
}
|
|
printf("Sector %u is already allocated\n", first);
|
|
} else
|
|
break;
|
|
}
|
|
stop = g_cylinders * g_heads * g_sectors;
|
|
stop2 = stop;
|
|
for (i = 0; i < g_partitions; i++) {
|
|
if (starts[i] > first && starts[i] < stop)
|
|
stop = starts[i];
|
|
}
|
|
snprintf(mesg, sizeof(mesg),
|
|
"Last %s or +size or +sizeM or +sizeK",
|
|
str_units(SINGULAR));
|
|
if (whole_disk)
|
|
last = read_int(scround(stop2), scround(stop2), scround(stop2),
|
|
0, mesg);
|
|
else if (n == 2 && !first)
|
|
last = read_int(scround(first), scround(stop2), scround(stop2),
|
|
scround(first), mesg);
|
|
else
|
|
last = read_int(scround(first), scround(stop), scround(stop),
|
|
scround(first), mesg);
|
|
if (display_in_cyl_units)
|
|
last *= units_per_sector;
|
|
if (n == 2 && !first) {
|
|
if (last >= stop2) {
|
|
whole_disk = 1;
|
|
last = stop2;
|
|
} else if (last > stop) {
|
|
printf(
|
|
"You haven't covered the whole disk with the 3rd partition,\n"
|
|
"but your value %u %s covers some other partition.\n"
|
|
"Your entry has been changed to %u %s\n",
|
|
scround(last), str_units(SINGULAR),
|
|
scround(stop), str_units(SINGULAR));
|
|
last = stop;
|
|
}
|
|
} else if (!whole_disk && last > stop)
|
|
last = stop;
|
|
|
|
if (whole_disk)
|
|
sys = SUN_WHOLE_DISK;
|
|
set_sun_partition(n, first, last, sys);
|
|
}
|
|
|
|
static void
|
|
sun_delete_partition(int i)
|
|
{
|
|
unsigned int nsec;
|
|
|
|
if (i == 2
|
|
&& sunlabel->infos[i].id == SUN_WHOLE_DISK
|
|
&& !sunlabel->partitions[i].start_cylinder
|
|
&& (nsec = SUN_SSWAP32(sunlabel->partitions[i].num_sectors)) == g_heads * g_sectors * g_cylinders)
|
|
printf("If you want to maintain SunOS/Solaris compatibility, "
|
|
"consider leaving this\n"
|
|
"partition as Whole disk (5), starting at 0, with %u "
|
|
"sectors\n", nsec);
|
|
sunlabel->infos[i].id = 0;
|
|
sunlabel->partitions[i].num_sectors = 0;
|
|
}
|
|
|
|
static void
|
|
sun_change_sysid(int i, int sys)
|
|
{
|
|
if (sys == LINUX_SWAP && !sunlabel->partitions[i].start_cylinder) {
|
|
read_maybe_empty(
|
|
"It is highly recommended that the partition at offset 0\n"
|
|
"is UFS, EXT2FS filesystem or SunOS swap. Putting Linux swap\n"
|
|
"there may destroy your partition table and bootblock.\n"
|
|
"Type YES if you're very sure you would like that partition\n"
|
|
"tagged with 82 (Linux swap): ");
|
|
if (strcmp (line_ptr, "YES\n"))
|
|
return;
|
|
}
|
|
switch (sys) {
|
|
case SUNOS_SWAP:
|
|
case LINUX_SWAP:
|
|
/* swaps are not mountable by default */
|
|
sunlabel->infos[i].flags |= 0x01;
|
|
break;
|
|
default:
|
|
/* assume other types are mountable;
|
|
user can change it anyway */
|
|
sunlabel->infos[i].flags &= ~0x01;
|
|
break;
|
|
}
|
|
sunlabel->infos[i].id = sys;
|
|
}
|
|
|
|
static void
|
|
sun_list_table(int xtra)
|
|
{
|
|
int i, w;
|
|
|
|
w = strlen(disk_device);
|
|
if (xtra)
|
|
printf(
|
|
"\nDisk %s (Sun disk label): %u heads, %u sectors, %u rpm\n"
|
|
"%u cylinders, %u alternate cylinders, %u physical cylinders\n"
|
|
"%u extra sects/cyl, interleave %u:1\n"
|
|
"%s\n"
|
|
"Units = %s of %u * 512 bytes\n\n",
|
|
disk_device, g_heads, g_sectors, SUN_SSWAP16(sunlabel->rspeed),
|
|
g_cylinders, SUN_SSWAP16(sunlabel->nacyl),
|
|
SUN_SSWAP16(sunlabel->pcylcount),
|
|
SUN_SSWAP16(sunlabel->sparecyl),
|
|
SUN_SSWAP16(sunlabel->ilfact),
|
|
(char *)sunlabel,
|
|
str_units(PLURAL), units_per_sector);
|
|
else
|
|
printf(
|
|
"\nDisk %s (Sun disk label): %u heads, %u sectors, %u cylinders\n"
|
|
"Units = %s of %u * 512 bytes\n\n",
|
|
disk_device, g_heads, g_sectors, g_cylinders,
|
|
str_units(PLURAL), units_per_sector);
|
|
|
|
printf("%*s Flag Start End Blocks Id System\n",
|
|
w + 1, "Device");
|
|
for (i = 0; i < g_partitions; i++) {
|
|
if (sunlabel->partitions[i].num_sectors) {
|
|
uint32_t start = SUN_SSWAP32(sunlabel->partitions[i].start_cylinder) * g_heads * g_sectors;
|
|
uint32_t len = SUN_SSWAP32(sunlabel->partitions[i].num_sectors);
|
|
printf("%s %c%c %9lu %9lu %9lu%c %2x %s\n",
|
|
partname(disk_device, i+1, w), /* device */
|
|
(sunlabel->infos[i].flags & 0x01) ? 'u' : ' ', /* flags */
|
|
(sunlabel->infos[i].flags & 0x10) ? 'r' : ' ',
|
|
(long) scround(start), /* start */
|
|
(long) scround(start+len), /* end */
|
|
(long) len / 2, len & 1 ? '+' : ' ', /* odd flag on end */
|
|
sunlabel->infos[i].id, /* type id */
|
|
partition_type(sunlabel->infos[i].id)); /* type name */
|
|
}
|
|
}
|
|
}
|
|
|
|
#if ENABLE_FEATURE_FDISK_ADVANCED
|
|
|
|
static void
|
|
sun_set_alt_cyl(void)
|
|
{
|
|
sunlabel->nacyl =
|
|
SUN_SSWAP16(read_int(0, SUN_SSWAP16(sunlabel->nacyl), 65535, 0,
|
|
"Number of alternate cylinders"));
|
|
}
|
|
|
|
static void
|
|
sun_set_ncyl(int cyl)
|
|
{
|
|
sunlabel->ncyl = SUN_SSWAP16(cyl);
|
|
}
|
|
|
|
static void
|
|
sun_set_xcyl(void)
|
|
{
|
|
sunlabel->sparecyl =
|
|
SUN_SSWAP16(read_int(0, SUN_SSWAP16(sunlabel->sparecyl), g_sectors, 0,
|
|
"Extra sectors per cylinder"));
|
|
}
|
|
|
|
static void
|
|
sun_set_ilfact(void)
|
|
{
|
|
sunlabel->ilfact =
|
|
SUN_SSWAP16(read_int(1, SUN_SSWAP16(sunlabel->ilfact), 32, 0,
|
|
"Interleave factor"));
|
|
}
|
|
|
|
static void
|
|
sun_set_rspeed(void)
|
|
{
|
|
sunlabel->rspeed =
|
|
SUN_SSWAP16(read_int(1, SUN_SSWAP16(sunlabel->rspeed), 100000, 0,
|
|
"Rotation speed (rpm)"));
|
|
}
|
|
|
|
static void
|
|
sun_set_pcylcount(void)
|
|
{
|
|
sunlabel->pcylcount =
|
|
SUN_SSWAP16(read_int(0, SUN_SSWAP16(sunlabel->pcylcount), 65535, 0,
|
|
"Number of physical cylinders"));
|
|
}
|
|
#endif /* FEATURE_FDISK_ADVANCED */
|
|
|
|
static void
|
|
sun_write_table(void)
|
|
{
|
|
unsigned short *ush = (unsigned short *)sunlabel;
|
|
unsigned short csum = 0;
|
|
|
|
while (ush < (unsigned short *)(&sunlabel->csum))
|
|
csum ^= *ush++;
|
|
sunlabel->csum = csum;
|
|
write_sector(0, sunlabel);
|
|
}
|
|
#endif /* SUN_LABEL */
|