SVN-Revision: 5704master
parent
a1e6799797
commit
cf52f51b85
@ -0,0 +1,17 @@ |
|||||||
|
#!/usr/bin/env bash |
||||||
|
OUTPUT="$1" |
||||||
|
KERNELSIZE="$2" |
||||||
|
KERNELIMAGE="$3" |
||||||
|
ROOTFSSIZE="$4" |
||||||
|
ROOTFSIMAGE="$5" |
||||||
|
|
||||||
|
rm -f "$OUTPUT" |
||||||
|
|
||||||
|
# create partition table |
||||||
|
set `ptgen -o "$OUTPUT" -h 16 -s 32 -t 0x27 -p ${KERNELSIZE}m -t 0x83 -p ${ROOTFSSIZE}m` |
||||||
|
|
||||||
|
KERNELOFFSET="$(($1 / 512))" |
||||||
|
ROOTFSOFFSET="$(($2 / 512))" |
||||||
|
|
||||||
|
dd if="$KERNELIMAGE" of="$OUTPUT" bs=512 conv=notrunc seek="$KERNELOFFSET" |
||||||
|
dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 conv=notrunc seek="$ROOTFSOFFSET" |
@ -1,311 +0,0 @@ |
|||||||
diff -urN linux.old/fs/partitions/check.c linux.dev/fs/partitions/check.c
|
|
||||||
--- linux.old/fs/partitions/check.c 2006-05-31 02:31:44.000000000 +0200
|
|
||||||
+++ linux.dev/fs/partitions/check.c 2006-06-15 01:27:17.000000000 +0200
|
|
||||||
@@ -29,6 +29,7 @@
|
|
||||||
#include "ldm.h"
|
|
||||||
#include "mac.h"
|
|
||||||
#include "msdos.h"
|
|
||||||
+#include "openwrt.h"
|
|
||||||
#include "osf.h"
|
|
||||||
#include "sgi.h"
|
|
||||||
#include "sun.h"
|
|
||||||
@@ -48,6 +49,9 @@
|
|
||||||
* Probe partition formats with tables at disk address 0
|
|
||||||
* that also have an ADFS boot block at 0xdc0.
|
|
||||||
*/
|
|
||||||
+#ifdef CONFIG_OPENWRT_PARTITION
|
|
||||||
+ openwrt_partition,
|
|
||||||
+#endif
|
|
||||||
#ifdef CONFIG_ACORN_PARTITION_ICS
|
|
||||||
adfspart_check_ICS,
|
|
||||||
#endif
|
|
||||||
diff -urN linux.old/fs/partitions/Kconfig linux.dev/fs/partitions/Kconfig
|
|
||||||
--- linux.old/fs/partitions/Kconfig 2006-05-31 02:31:44.000000000 +0200
|
|
||||||
+++ linux.dev/fs/partitions/Kconfig 2006-06-15 01:27:17.000000000 +0200
|
|
||||||
@@ -14,6 +14,12 @@
|
|
||||||
|
|
||||||
If unsure, say N.
|
|
||||||
|
|
||||||
+config OPENWRT_PARTITION
|
|
||||||
+ bool "OpenWrt partition support" if PARTITION_ADVANCED
|
|
||||||
+ default y
|
|
||||||
+ help
|
|
||||||
+ Support the custom OpenWrt partition map
|
|
||||||
+
|
|
||||||
config ACORN_PARTITION
|
|
||||||
bool "Acorn partition support" if PARTITION_ADVANCED
|
|
||||||
default y if ARCH_ACORN
|
|
||||||
diff -urN linux.old/fs/partitions/Makefile linux.dev/fs/partitions/Makefile
|
|
||||||
--- linux.old/fs/partitions/Makefile 2006-05-31 02:31:44.000000000 +0200
|
|
||||||
+++ linux.dev/fs/partitions/Makefile 2006-06-15 01:27:17.000000000 +0200
|
|
||||||
@@ -11,6 +11,7 @@
|
|
||||||
obj-$(CONFIG_MAC_PARTITION) += mac.o
|
|
||||||
obj-$(CONFIG_LDM_PARTITION) += ldm.o
|
|
||||||
obj-$(CONFIG_MSDOS_PARTITION) += msdos.o
|
|
||||||
+obj-$(CONFIG_OPENWRT_PARTITION) += openwrt.o
|
|
||||||
obj-$(CONFIG_OSF_PARTITION) += osf.o
|
|
||||||
obj-$(CONFIG_SGI_PARTITION) += sgi.o
|
|
||||||
obj-$(CONFIG_SUN_PARTITION) += sun.o
|
|
||||||
diff -urN linux.old/fs/partitions/openwrt.c linux.dev/fs/partitions/openwrt.c
|
|
||||||
--- linux.old/fs/partitions/openwrt.c 1970-01-01 01:00:00.000000000 +0100
|
|
||||||
+++ linux.dev/fs/partitions/openwrt.c 2006-06-15 01:27:17.000000000 +0200
|
|
||||||
@@ -0,0 +1,249 @@
|
|
||||||
+/*
|
|
||||||
+ * fs/partitions/openwrt.c
|
|
||||||
+ *
|
|
||||||
+ * Code extracted from drivers/block/genhd.c
|
|
||||||
+ * and fs/partitions/msdos.c
|
|
||||||
+ *
|
|
||||||
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
|
|
||||||
+ * Copyright (C) 1991-1998 Linus Torvalds
|
|
||||||
+ *
|
|
||||||
+ * Thanks to Branko Lankester, lankeste@fwi.uva.nl, who found a bug
|
|
||||||
+ * in the early extended-partition checks and added DM partitions
|
|
||||||
+ *
|
|
||||||
+ * Support for DiskManager v6.0x added by Mark Lord,
|
|
||||||
+ * with information provided by OnTrack. This now works for linux fdisk
|
|
||||||
+ * and LILO, as well as loadlin and bootln. Note that disks other than
|
|
||||||
+ * /dev/hda *must* have a "DOS" type 0x51 partition in the first slot (hda1).
|
|
||||||
+ *
|
|
||||||
+ * More flexible handling of extended partitions - aeb, 950831
|
|
||||||
+ *
|
|
||||||
+ * Check partition table on IDE disks for common CHS translations
|
|
||||||
+ *
|
|
||||||
+ * Re-organised Feb 1998 Russell King
|
|
||||||
+ */
|
|
||||||
+
|
|
||||||
+#include <linux/config.h>
|
|
||||||
+
|
|
||||||
+#include "check.h"
|
|
||||||
+#include "openwrt.h"
|
|
||||||
+
|
|
||||||
+/*
|
|
||||||
+ * Many architectures don't like unaligned accesses, while
|
|
||||||
+ * the nr_sects and start_sect partition table entries are
|
|
||||||
+ * at a 2 (mod 4) address.
|
|
||||||
+ */
|
|
||||||
+#include <asm/unaligned.h>
|
|
||||||
+
|
|
||||||
+#define SYS_IND(p) (get_unaligned(&p->sys_ind))
|
|
||||||
+#define NR_SECTS(p) ({ __typeof__(p->nr_sects) __a = \
|
|
||||||
+ get_unaligned(&p->nr_sects); \
|
|
||||||
+ le32_to_cpu(__a); \
|
|
||||||
+ })
|
|
||||||
+
|
|
||||||
+#define START_SECT(p) ({ __typeof__(p->start_sect) __a = \
|
|
||||||
+ get_unaligned(&p->start_sect); \
|
|
||||||
+ le32_to_cpu(__a); \
|
|
||||||
+ })
|
|
||||||
+
|
|
||||||
+static inline int is_extended_partition(struct partition *p)
|
|
||||||
+{
|
|
||||||
+ return (SYS_IND(p) == DOS_EXTENDED_PARTITION ||
|
|
||||||
+ SYS_IND(p) == WIN98_EXTENDED_PARTITION ||
|
|
||||||
+ SYS_IND(p) == LINUX_EXTENDED_PARTITION);
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
+#define MSDOS_LABEL_MAGIC1 0x55
|
|
||||||
+#define MSDOS_LABEL_MAGIC2 0xAA
|
|
||||||
+
|
|
||||||
+static inline int
|
|
||||||
+msdos_magic_present(unsigned char *p)
|
|
||||||
+{
|
|
||||||
+ return (p[0] == MSDOS_LABEL_MAGIC1 && p[1] == MSDOS_LABEL_MAGIC2);
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
+static inline int
|
|
||||||
+openwrt_magic_present(unsigned char *p)
|
|
||||||
+{
|
|
||||||
+ return (p[0] == 'O' &&
|
|
||||||
+ p[1] == 'W' &&
|
|
||||||
+ p[2] == 'R' &&
|
|
||||||
+ p[3] == 'T');
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
+/*
|
|
||||||
+ * Create devices for each logical partition in an extended partition.
|
|
||||||
+ * The logical partitions form a linked list, with each entry being
|
|
||||||
+ * a partition table with two entries. The first entry
|
|
||||||
+ * is the real data partition (with a start relative to the partition
|
|
||||||
+ * table start). The second is a pointer to the next logical partition
|
|
||||||
+ * (with a start relative to the entire extended partition).
|
|
||||||
+ * We do not create a Linux partition for the partition tables, but
|
|
||||||
+ * only for the actual data partitions.
|
|
||||||
+ */
|
|
||||||
+
|
|
||||||
+static void
|
|
||||||
+parse_extended(struct parsed_partitions *state, struct block_device *bdev,
|
|
||||||
+ u32 first_sector, u32 first_size)
|
|
||||||
+{
|
|
||||||
+ struct partition *p;
|
|
||||||
+ Sector sect;
|
|
||||||
+ unsigned char *data;
|
|
||||||
+ u32 this_sector, this_size;
|
|
||||||
+ int sector_size = bdev_hardsect_size(bdev) / 512;
|
|
||||||
+ int loopct = 0; /* number of links followed
|
|
||||||
+ without finding a data partition */
|
|
||||||
+ int i;
|
|
||||||
+
|
|
||||||
+ this_sector = first_sector;
|
|
||||||
+ this_size = first_size;
|
|
||||||
+
|
|
||||||
+ while (1) {
|
|
||||||
+ if (++loopct > 100)
|
|
||||||
+ return;
|
|
||||||
+ if (state->next == state->limit)
|
|
||||||
+ return;
|
|
||||||
+ data = read_dev_sector(bdev, this_sector, §);
|
|
||||||
+ if (!data)
|
|
||||||
+ return;
|
|
||||||
+
|
|
||||||
+ if (!msdos_magic_present(data + 510))
|
|
||||||
+ goto done;
|
|
||||||
+
|
|
||||||
+ p = (struct partition *) (data + 0x1be);
|
|
||||||
+
|
|
||||||
+ /*
|
|
||||||
+ * Usually, the first entry is the real data partition,
|
|
||||||
+ * the 2nd entry is the next extended partition, or empty,
|
|
||||||
+ * and the 3rd and 4th entries are unused.
|
|
||||||
+ * However, DRDOS sometimes has the extended partition as
|
|
||||||
+ * the first entry (when the data partition is empty),
|
|
||||||
+ * and OS/2 seems to use all four entries.
|
|
||||||
+ */
|
|
||||||
+
|
|
||||||
+ /*
|
|
||||||
+ * First process the data partition(s)
|
|
||||||
+ */
|
|
||||||
+ for (i=0; i<4; i++, p++) {
|
|
||||||
+ u32 offs, size, next;
|
|
||||||
+ if (!NR_SECTS(p) || is_extended_partition(p))
|
|
||||||
+ continue;
|
|
||||||
+
|
|
||||||
+ /* Check the 3rd and 4th entries -
|
|
||||||
+ these sometimes contain random garbage */
|
|
||||||
+ offs = START_SECT(p)*sector_size;
|
|
||||||
+ size = NR_SECTS(p)*sector_size;
|
|
||||||
+ next = this_sector + offs;
|
|
||||||
+ if (i >= 2) {
|
|
||||||
+ if (offs + size > this_size)
|
|
||||||
+ continue;
|
|
||||||
+ if (next < first_sector)
|
|
||||||
+ continue;
|
|
||||||
+ if (next + size > first_sector + first_size)
|
|
||||||
+ continue;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ put_partition(state, state->next, next, size);
|
|
||||||
+ if (SYS_IND(p) == LINUX_RAID_PARTITION)
|
|
||||||
+ state->parts[state->next].flags = 1;
|
|
||||||
+ loopct = 0;
|
|
||||||
+ if (++state->next == state->limit)
|
|
||||||
+ goto done;
|
|
||||||
+ }
|
|
||||||
+ /*
|
|
||||||
+ * Next, process the (first) extended partition, if present.
|
|
||||||
+ * (So far, there seems to be no reason to make
|
|
||||||
+ * parse_extended() recursive and allow a tree
|
|
||||||
+ * of extended partitions.)
|
|
||||||
+ * It should be a link to the next logical partition.
|
|
||||||
+ */
|
|
||||||
+ p -= 4;
|
|
||||||
+ for (i=0; i<4; i++, p++)
|
|
||||||
+ if (NR_SECTS(p) && is_extended_partition(p))
|
|
||||||
+ break;
|
|
||||||
+ if (i == 4)
|
|
||||||
+ goto done; /* nothing left to do */
|
|
||||||
+
|
|
||||||
+ this_sector = first_sector + START_SECT(p) * sector_size;
|
|
||||||
+ this_size = NR_SECTS(p) * sector_size;
|
|
||||||
+ put_dev_sector(sect);
|
|
||||||
+ }
|
|
||||||
+done:
|
|
||||||
+ put_dev_sector(sect);
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
+
|
|
||||||
+int openwrt_partition(struct parsed_partitions *state, struct block_device *bdev)
|
|
||||||
+{
|
|
||||||
+ int sector_size = bdev_hardsect_size(bdev) / 512;
|
|
||||||
+ Sector sect;
|
|
||||||
+ unsigned char *data;
|
|
||||||
+ struct partition *p;
|
|
||||||
+ int slot;
|
|
||||||
+ u32 last_block = 0;
|
|
||||||
+ u32 size = 0;
|
|
||||||
+ int firstfree = 5;
|
|
||||||
+
|
|
||||||
+ data = read_dev_sector(bdev, 0, §);
|
|
||||||
+ if (!data)
|
|
||||||
+ return -1;
|
|
||||||
+ if (!openwrt_magic_present(data)) {
|
|
||||||
+ printk("No OpenWrt partition table detected\n");
|
|
||||||
+ put_dev_sector(sect);
|
|
||||||
+ return 0;
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ /*
|
|
||||||
+ * Now that the 55aa signature is present, this is probably
|
|
||||||
+ * either the boot sector of a FAT filesystem or a DOS-type
|
|
||||||
+ * partition table. Reject this in case the boot indicator
|
|
||||||
+ * is not 0 or 0x80.
|
|
||||||
+ */
|
|
||||||
+ p = (struct partition *) (data + 0x1be);
|
|
||||||
+ for (slot = 1; slot <= 4; slot++, p++) {
|
|
||||||
+ if (p->boot_ind != 0 && p->boot_ind != 0x80) {
|
|
||||||
+ put_dev_sector(sect);
|
|
||||||
+ return 0;
|
|
||||||
+ }
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ p = (struct partition *) (data + 0x1be);
|
|
||||||
+
|
|
||||||
+ /*
|
|
||||||
+ * Look for partitions in two passes:
|
|
||||||
+ * First find the primary and DOS-type extended partitions.
|
|
||||||
+ */
|
|
||||||
+
|
|
||||||
+ state->next = 6;
|
|
||||||
+ for (slot = 1 ; slot <= 4 ; slot++, p++) {
|
|
||||||
+ u32 start = START_SECT(p)*sector_size;
|
|
||||||
+ size = NR_SECTS(p)*sector_size;
|
|
||||||
+ if (!size) {
|
|
||||||
+ if (firstfree > slot)
|
|
||||||
+ firstfree = slot;
|
|
||||||
+
|
|
||||||
+ continue;
|
|
||||||
+ }
|
|
||||||
+ if (is_extended_partition(p)) {
|
|
||||||
+ /* prevent someone doing mkfs or mkswap on an
|
|
||||||
+ extended partition, but leave room for LILO */
|
|
||||||
+ last_block = start + size;
|
|
||||||
+ put_partition(state, slot, start, size == 1 ? 1 : 2);
|
|
||||||
+ printk(" <");
|
|
||||||
+ parse_extended(state, bdev, start, size);
|
|
||||||
+ printk(" >");
|
|
||||||
+ continue;
|
|
||||||
+ }
|
|
||||||
+ if ((start + size) > get_capacity(bdev->bd_disk))
|
|
||||||
+ size = get_capacity(bdev->bd_disk) - start;
|
|
||||||
+ last_block = start + size;
|
|
||||||
+ put_partition(state, slot, start, size);
|
|
||||||
+ }
|
|
||||||
+ if (last_block + 1024 < (size = get_capacity(bdev->bd_disk)))
|
|
||||||
+ put_partition(state, firstfree, last_block, size - last_block);
|
|
||||||
+
|
|
||||||
+ printk("\n");
|
|
||||||
+
|
|
||||||
+ put_dev_sector(sect);
|
|
||||||
+ return 1;
|
|
||||||
+}
|
|
||||||
+
|
|
||||||
diff -urN linux.old/fs/partitions/openwrt.h linux.dev/fs/partitions/openwrt.h
|
|
||||||
--- linux.old/fs/partitions/openwrt.h 1970-01-01 01:00:00.000000000 +0100
|
|
||||||
+++ linux.dev/fs/partitions/openwrt.h 2006-06-15 01:27:17.000000000 +0200
|
|
||||||
@@ -0,0 +1,6 @@
|
|
||||||
+/*
|
|
||||||
+ * fs/partitions/openwrt.h
|
|
||||||
+ */
|
|
||||||
+
|
|
||||||
+int openwrt_partition(struct parsed_partitions *state, struct block_device *bdev);
|
|
||||||
+
|
|
@ -0,0 +1,219 @@ |
|||||||
|
/*
|
||||||
|
* ptgen - partition table generator |
||||||
|
* Copyright (C) 2006 by Felix Fietkau <nbd@openwrt.org> |
||||||
|
* |
||||||
|
* uses parts of afdisk |
||||||
|
* Copyright (C) 2002 by David Roetzel <david@roetzel.de> |
||||||
|
* |
||||||
|
* This program is free software; you can redistribute it and/or modify |
||||||
|
* it under the terms of the GNU General Public License as published by |
||||||
|
* the Free Software Foundation; either version 2 of the License, or |
||||||
|
* (at your option) any later version. |
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful, |
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||||
|
* GNU General Public License for more details. |
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License |
||||||
|
* along with this program; if not, write to the Free Software |
||||||
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
||||||
|
*/ |
||||||
|
|
||||||
|
#include <sys/types.h> |
||||||
|
#include <sys/stat.h> |
||||||
|
#include <string.h> |
||||||
|
#include <unistd.h> |
||||||
|
#include <stdlib.h> |
||||||
|
#include <stdio.h> |
||||||
|
#include <ctype.h> |
||||||
|
#include <fcntl.h> |
||||||
|
|
||||||
|
#if __BYTE_ORDER == __BIG_ENDIAN |
||||||
|
#define cpu_to_le16(x) bswap_16(x) |
||||||
|
#elif __BYTE_ORDER == __LITTLE_ENDIAN |
||||||
|
#define cpu_to_le16(x) (x) |
||||||
|
#else |
||||||
|
#error unknown endianness! |
||||||
|
#endif |
||||||
|
|
||||||
|
/* Partition table entry */ |
||||||
|
struct pte {
|
||||||
|
unsigned char active; |
||||||
|
unsigned char chs_start[3]; |
||||||
|
unsigned char type; |
||||||
|
unsigned char chs_end[3]; |
||||||
|
unsigned int start; |
||||||
|
unsigned int length; |
||||||
|
}; |
||||||
|
|
||||||
|
struct partinfo { |
||||||
|
unsigned long size; |
||||||
|
int type; |
||||||
|
}; |
||||||
|
|
||||||
|
int verbose = 0; |
||||||
|
int active = 1; |
||||||
|
int heads = -1; |
||||||
|
int sectors = -1; |
||||||
|
struct partinfo parts[4]; |
||||||
|
char *filename = NULL; |
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* parse the size argument, which is either |
||||||
|
* a simple number (K assumed) or |
||||||
|
* K, M or G |
||||||
|
* |
||||||
|
* returns the size in KByte |
||||||
|
*/ |
||||||
|
static long to_kbytes(const char *string) { |
||||||
|
int exp = 0; |
||||||
|
long result; |
||||||
|
char *end; |
||||||
|
|
||||||
|
result = strtoul(string, &end, 0); |
||||||
|
switch (tolower(*end)) { |
||||||
|
case 'k' : |
||||||
|
case '\0' : exp = 0; break; |
||||||
|
case 'm' : exp = 1; break; |
||||||
|
case 'g' : exp = 2; break; |
||||||
|
default: return 0; |
||||||
|
} |
||||||
|
|
||||||
|
if (*end) |
||||||
|
end++; |
||||||
|
|
||||||
|
if (*end) { |
||||||
|
fprintf(stderr, "garbage after end of number\n"); |
||||||
|
return 0; |
||||||
|
} |
||||||
|
|
||||||
|
/* result: number + 1024^(exp) */ |
||||||
|
return result * ((2 << ((10 * exp) - 1)) ?: 1); |
||||||
|
} |
||||||
|
|
||||||
|
/* convert the sector number into a CHS value for the partition table */ |
||||||
|
static void to_chs(long sect, unsigned char chs[3]) { |
||||||
|
int c,h,s; |
||||||
|
|
||||||
|
s = (sect % sectors) + 1; |
||||||
|
sect = sect / sectors; |
||||||
|
h = sect % heads; |
||||||
|
sect = sect / heads; |
||||||
|
c = sect; |
||||||
|
|
||||||
|
chs[0] = h; |
||||||
|
chs[1] = s | ((c >> 2) & 0xC0); |
||||||
|
chs[2] = c & 0xFF; |
||||||
|
|
||||||
|
return; |
||||||
|
} |
||||||
|
|
||||||
|
/* round the sector number up to the next cylinder */ |
||||||
|
static inline unsigned long round_to_cyl(long sect) { |
||||||
|
int cyl_size = heads * sectors; |
||||||
|
|
||||||
|
return sect + cyl_size - ((sect % cyl_size) ?: cyl_size);
|
||||||
|
} |
||||||
|
|
||||||
|
/* check the partition sizes and write the partition table */ |
||||||
|
static int gen_ptable(int nr) |
||||||
|
{ |
||||||
|
struct pte pte[4]; |
||||||
|
unsigned long sect = 0;
|
||||||
|
int i, fd, ret = -1, start, len; |
||||||
|
|
||||||
|
memset(pte, 0, sizeof(struct pte) * 4); |
||||||
|
for (i = 0; i < nr; i++) { |
||||||
|
if (!parts[i].size) { |
||||||
|
fprintf(stderr, "Invalid size in partition %d!\n", i); |
||||||
|
return -1; |
||||||
|
} |
||||||
|
pte[i].active = ((i + 1) == active) ? 0x80 : 0; |
||||||
|
pte[i].type = parts[i].type; |
||||||
|
pte[i].start = cpu_to_le16(start = sect + sectors); |
||||||
|
sect = round_to_cyl(start + parts[i].size * 2); |
||||||
|
pte[i].length = cpu_to_le16(len = sect - start); |
||||||
|
to_chs(start, pte[i].chs_start); |
||||||
|
to_chs(start + len - 1, pte[i].chs_end); |
||||||
|
if (verbose) |
||||||
|
fprintf(stderr, "Partition %d: start=%ld, end=%ld, size=%ld\n", i, (long) start * 512, ((long) start + (long) len) * 512, (long) len * 512); |
||||||
|
printf("%ld\n", ((long) start * 512)); |
||||||
|
} |
||||||
|
|
||||||
|
if ((fd = open(filename, O_WRONLY|O_CREAT, 0644)) < 0) { |
||||||
|
fprintf(stderr, "Can't open output file '%s'\n",filename); |
||||||
|
return -1; |
||||||
|
} |
||||||
|
|
||||||
|
lseek(fd, 446, SEEK_SET); |
||||||
|
if (write(fd, pte, sizeof(struct pte) * 4) != sizeof(struct pte) * 4) { |
||||||
|
fprintf(stderr, "write failed.\n"); |
||||||
|
goto fail; |
||||||
|
} |
||||||
|
lseek(fd, 510, SEEK_SET); |
||||||
|
if (write(fd, "\x55\xaa", 2) != 2) { |
||||||
|
fprintf(stderr, "write failed.\n"); |
||||||
|
goto fail; |
||||||
|
} |
||||||
|
|
||||||
|
ret = 0; |
||||||
|
fail: |
||||||
|
close(fd); |
||||||
|
return ret; |
||||||
|
} |
||||||
|
|
||||||
|
static void usage(char *prog) |
||||||
|
{ |
||||||
|
fprintf(stderr, "Usage: %s [-v] -h <heads> -s <sectors> -o <outputfile> [-a 0..4] [[-t <type>] -p <size>...] \n", prog); |
||||||
|
exit(1); |
||||||
|
} |
||||||
|
|
||||||
|
int main (int argc, char **argv) |
||||||
|
{ |
||||||
|
char type = 0x83; |
||||||
|
int ch; |
||||||
|
int part = 0; |
||||||
|
|
||||||
|
while ((ch = getopt(argc, argv, "h:s:p:a:t:o:v")) != -1) { |
||||||
|
switch (ch) { |
||||||
|
case 'o': |
||||||
|
filename = optarg; |
||||||
|
break; |
||||||
|
case 'v': |
||||||
|
verbose++; |
||||||
|
break; |
||||||
|
case 'h': |
||||||
|
heads = (int) strtoul(optarg, NULL, 0); |
||||||
|
break; |
||||||
|
case 's': |
||||||
|
sectors = (int) strtoul(optarg, NULL, 0); |
||||||
|
break; |
||||||
|
case 'p': |
||||||
|
if (part > 3) { |
||||||
|
fprintf(stderr, "Too many partitions\n"); |
||||||
|
exit(1); |
||||||
|
} |
||||||
|
parts[part].size = to_kbytes(optarg); |
||||||
|
parts[part++].type = type; |
||||||
|
break; |
||||||
|
case 't': |
||||||
|
type = (char) strtoul(optarg, NULL, 16); |
||||||
|
break; |
||||||
|
case 'a': |
||||||
|
active = (int) strtoul(optarg, NULL, 0); |
||||||
|
if ((active < 0) || (active > 4)) |
||||||
|
active = 0; |
||||||
|
break; |
||||||
|
case '?': |
||||||
|
default: |
||||||
|
usage(argv[0]); |
||||||
|
} |
||||||
|
} |
||||||
|
argc -= optind; |
||||||
|
if (argc || (heads <= 0) || (sectors <= 0) || !filename)
|
||||||
|
usage(argv[0]); |
||||||
|
|
||||||
|
return gen_ptable(part); |
||||||
|
} |
Loading…
Reference in new issue