-#if ENABLE_FEATURE_SGI_LABEL
-
/*
* Copyright (C) Andreas Neuper, Sep 1998.
- * This file may be modified and redistributed under
- * the terms of the GNU Public License.
+ *
+ * Licensed under GPLv2, see file LICENSE in this tarball for details.
*/
+#if ENABLE_FEATURE_SGI_LABEL
+
+#define SGI_DEBUG 0
+
#define SGI_VOLHDR 0x00
/* 1 and 2 were used for drive types no longer supported by SGI */
#define SGI_SWAP 0x03
*/
-static int sgi_other_endian;
-static int debug;
-static short sgi_volumes = 1;
+static smallint sgi_other_endian; /* bool */
+static smallint sgi_volumes = 1; /* max 15 */
/*
* only dealing with free blocks here
add2freelist(unsigned int f, unsigned int l)
{
int i;
- for (i = 0; i < 17 ; i++)
+ for (i = 0; i < 17; i++)
if (freelist[i].last == 0)
break;
setfreelist(i, f, l);
{
int i;
- for (i = 0; i < 17 ; i++)
+ for (i = 0; i < 17; i++)
setfreelist(i, 0, 0);
}
{
int i;
- for (i = 0; i < 17 ; i++)
+ for (i = 0; i < 17; i++)
if (freelist[i].first <= b && freelist[i].last >= b)
return freelist[i].last;
return 0;
if (sgilabel->magic != SGI_LABEL_MAGIC
&& sgilabel->magic != SGI_LABEL_MAGIC_SWAPPED
) {
- current_label_type = label_dos;
+ current_label_type = LABEL_DOS;
return 0;
}
printf("Detected sgi disklabel with wrong checksum\n");
}
update_units();
- current_label_type = label_sgi;
- partitions = 16;
+ current_label_type = LABEL_SGI;
+ g_partitions = 16;
sgi_volumes = 15;
return 1;
}
"%d extra sects/cyl, interleave %d:1\n"
"%s\n"
"Units = %s of %d * 512 bytes\n\n",
- disk_device, heads, sectors, cylinders,
+ disk_device, g_heads, g_sectors, g_cylinders,
SGI_SSWAP16(sgiparam.pcylcount),
SGI_SSWAP16(sgiparam.sparecyl),
SGI_SSWAP16(sgiparam.ilfact),
printf("\nDisk %s (SGI disk label): "
"%d heads, %d sectors, %d cylinders\n"
"Units = %s of %d * 512 bytes\n\n",
- disk_device, heads, sectors, cylinders,
+ disk_device, g_heads, g_sectors, g_cylinders,
str_units(PLURAL), units_per_sector );
}
printf("----- partitions -----\n"
"Pt# %*s Info Start End Sectors Id System\n",
w + 2, "Device");
- for (i = 0 ; i < partitions; i++) {
- if (sgi_get_num_sectors(i) || debug ) {
+ for (i = 0; i < g_partitions; i++) {
+ if (sgi_get_num_sectors(i) || SGI_DEBUG) {
uint32_t start = sgi_get_start_sector(i);
uint32_t len = sgi_get_num_sectors(i);
kpi++; /* only count nonempty partitions */
printf("----- Bootinfo -----\nBootfile: %s\n"
"----- Directory Entries -----\n",
sgilabel->boot_file);
- for (i = 0 ; i < sgi_volumes; i++) {
+ for (i = 0; i < sgi_volumes; i++) {
if (sgilabel->directory[i].vol_file_size) {
uint32_t start = SGI_SSWAP32(sgilabel->directory[i].vol_file_start);
uint32_t len = SGI_SSWAP32(sgilabel->directory[i].vol_file_size);
static unsigned int
sgi_get_lastblock(void)
{
- return heads * sectors * cylinders;
+ return g_heads * g_sectors * g_cylinders;
}
static void
assert(two_s_complement_32bit_sum(
(unsigned int*)sgilabel, sizeof(*sgilabel)) == 0);
- if (lseek(fd, 0, SEEK_SET) < 0)
- fdisk_fatal(unable_to_seek);
- if (write(fd, sgilabel, SECTOR_SIZE) != SECTOR_SIZE)
- fdisk_fatal(unable_to_write);
+ write_sector(0, sgilabel);
if (!strncmp((char*)sgilabel->directory[0].vol_file_name, "sgilabel", 8)) {
/*
* keep this habit of first writing the "sgilabel".
*/
sgiinfo *info = fill_sgiinfo();
int infostartblock = SGI_SSWAP32(sgilabel->directory[0].vol_file_start);
- if (lseek(fd, infostartblock*SECTOR_SIZE, SEEK_SET) < 0)
- fdisk_fatal(unable_to_seek);
- if (write(fd, info, SECTOR_SIZE) != SECTOR_SIZE)
- fdisk_fatal(unable_to_write);
+ write_sector(infostartblock, info);
free(info);
}
}
"at block 0,\n"
"not at diskblock %d\n",
sgi_get_start_sector(Index[0]));
- if (debug) /* I do not understand how some disks fulfil it */
+ if (SGI_DEBUG) /* I do not understand how some disks fulfil it */
if ((sgi_get_num_sectors(Index[0]) != lastblock) && verbose)
printf("The entire disk partition is only %d diskblock large,\n"
"but the disk is %d diskblocks long\n",
} else {
if (verbose)
printf("One Partition (#11) should cover the entire disk\n");
- if (debug > 2)
+ if (SGI_DEBUG > 2)
printf("sysid=%d\tpartition=%d\n",
sgi_get_sysid(Index[0]), Index[0]+1);
}
int cylsize = sgi_get_nsect() * sgi_get_ntrks();
if ((sgi_get_start_sector(Index[i]) % cylsize) != 0) {
- if (debug) /* I do not understand how some disks fulfil it */
+ if (SGI_DEBUG) /* I do not understand how some disks fulfil it */
if (verbose)
printf("Partition %d does not start on cylinder boundary\n",
Index[i]+1);
}
if (sgi_get_num_sectors(Index[i]) % cylsize != 0) {
- if (debug) /* I do not understand how some disks fulfil it */
+ if (SGI_DEBUG) /* I do not understand how some disks fulfil it */
if (verbose)
printf("Partition %d does not end on cylinder boundary\n",
Index[i]+1);
}
start = sgi_get_start_sector(Index[i])
+ sgi_get_num_sectors(Index[i]);
- if (debug > 1) {
+ if (SGI_DEBUG > 1) {
if (verbose)
printf("%2d:%12d\t%12d\t%12d\n", Index[i],
sgi_get_start_sector(Index[i]),
{
int n;
- for (n = 10; n < partitions; n++) {
+ for (n = 10; n < g_partitions; n++) {
if (!sgi_get_num_sectors(n) ) {
sgi_set_partition(n, 0, sgi_get_lastblock(), SGI_VOLUME);
break;
{
int n;
- for (n = 8; n < partitions; n++) {
+ for (n = 8; n < g_partitions; n++) {
if (!sgi_get_num_sectors(n)) {
/*
* 5 cylinders is an arbitrary value I like
* (like sash, symmon, fx, ide) with ca. 3200
* sectors.
*/
- if (heads * sectors * 5 < sgi_get_lastblock())
- sgi_set_partition(n, 0, heads * sectors * 5, SGI_VOLHDR);
+ if (g_heads * g_sectors * 5 < sgi_get_lastblock())
+ sgi_set_partition(n, 0, g_heads * g_sectors * 5, SGI_VOLHDR);
break;
}
}
printf(msg_building_new_label, "SGI disklabel");
- sgi_other_endian = (BYTE_ORDER == LITTLE_ENDIAN);
- res = ioctl(fd, BLKGETSIZE, &longsectors);
- if (!ioctl(fd, HDIO_GETGEO, &geometry)) {
- heads = geometry.heads;
- sectors = geometry.sectors;
+ sgi_other_endian = BB_LITTLE_ENDIAN;
+ res = ioctl(dev_fd, BLKGETSIZE, &longsectors);
+ if (!ioctl(dev_fd, HDIO_GETGEO, &geometry)) {
+ g_heads = geometry.heads;
+ g_sectors = geometry.sectors;
if (res == 0) {
/* the get device size ioctl was successful */
- cylinders = longsectors / (heads * sectors);
- cylinders /= sec_fac;
+ g_cylinders = longsectors / (g_heads * g_sectors);
+ g_cylinders /= sec_fac;
} else {
/* otherwise print error and use truncated version */
- cylinders = geometry.cylinders;
+ g_cylinders = geometry.cylinders;
printf(
"Warning: BLKGETSIZE ioctl failed on %s. Using geometry cylinder value of %d.\n"
-"This value may be truncated for devices > 33.8 GB.\n", disk_device, cylinders);
+"This value may be truncated for devices > 33.8 GB.\n", disk_device, g_cylinders);
}
}
for (i = 0; i < 4; i++) {
old[i].start = get_start_sect(get_part_table(i));
old[i].nsect = get_nr_sects(get_part_table(i));
printf("Trying to keep parameters of partition %d\n", i);
- if (debug)
+ if (SGI_DEBUG)
printf("ID=%02x\tSTART=%d\tLENGTH=%d\n",
old[i].sysid, old[i].start, old[i].nsect);
}
//sgilabel->devparam.xylogics_writecont = SGI_SSWAP16(0);
//memset( &(sgilabel->directory), 0, sizeof(struct volume_directory)*15 );
//memset( &(sgilabel->partitions), 0, sizeof(struct sgi_partinfo)*16 );
- current_label_type = label_sgi;
- partitions = 16;
+ current_label_type = LABEL_SGI;
+ g_partitions = 16;
sgi_volumes = 15;
sgi_set_entire();
sgi_set_volhdr();
projects / oweals / busybox.git / blobdiff