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-rw-r--r--disk/part_dos.c233
-rw-r--r--disk/part_mac.c251
-rw-r--r--disk/part_mac.h96
3 files changed, 580 insertions, 0 deletions
diff --git a/disk/part_dos.c b/disk/part_dos.c
new file mode 100644
index 0000000..8e71baa
--- /dev/null
+++ b/disk/part_dos.c
@@ -0,0 +1,233 @@
+/*
+ * (C) Copyright 2001
+ * Raymond Lo, lo@routefree.com
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * Support for harddisk partitions.
+ *
+ * To be compatible with LinuxPPC and Apple we use the standard Apple
+ * SCSI disk partitioning scheme. For more information see:
+ * http://developer.apple.com/techpubs/mac/Devices/Devices-126.html#MARKER-14-92
+ */
+
+#include <common.h>
+#include <command.h>
+#include <ide.h>
+#include <cmd_disk.h>
+#include "part_dos.h"
+
+#if ((CONFIG_COMMANDS & CFG_CMD_IDE) || (CONFIG_COMMANDS & CFG_CMD_SCSI)) && defined(CONFIG_DOS_PARTITION)
+
+/* Convert char[4] in little endian format to the host format integer
+ */
+static inline int le32_to_int(unsigned char *le32)
+{
+ return ((le32[3] << 24) +
+ (le32[2] << 16) +
+ (le32[1] << 8) +
+ le32[0]
+ );
+}
+
+static inline int is_extended(int part_type)
+{
+ return (part_type == 0x5 ||
+ part_type == 0xf ||
+ part_type == 0x85);
+}
+
+static void print_one_part (dos_partition_t *p, int ext_part_sector, int part_num)
+{
+ int lba_start = ext_part_sector + le32_to_int (p->start4);
+ int lba_size = le32_to_int (p->size4);
+
+ printf ("%5d\t\t%10d\t%10d\t%2x%s\n",
+ part_num, lba_start, lba_size, p->sys_ind,
+ (is_extended (p->sys_ind) ? " Extd" : ""));
+}
+
+
+
+int test_part_dos (block_dev_desc_t *dev_desc)
+{
+ unsigned char buffer[DEFAULT_SECTOR_SIZE];
+
+ if ((dev_desc->block_read(dev_desc->dev, 0, 1, (ulong *) buffer) != 1) ||
+ (buffer[DOS_PART_MAGIC_OFFSET + 0] != 0x55) ||
+ (buffer[DOS_PART_MAGIC_OFFSET + 1] != 0xaa) ) {
+ return (-1);
+ }
+ return (0);
+}
+
+/* Print a partition that is relative to its Extended partition table
+ */
+static void print_partition_extended (block_dev_desc_t *dev_desc, int ext_part_sector, int relative,
+ int part_num)
+{
+ unsigned char buffer[DEFAULT_SECTOR_SIZE];
+ dos_partition_t *pt;
+ int i;
+
+ if (dev_desc->block_read(dev_desc->dev, ext_part_sector, 1, (ulong *) buffer) != 1) {
+ printf ("** Can't read partition table on %d:%d **\n",
+ dev_desc->dev, ext_part_sector);
+ return;
+ }
+ if (buffer[DOS_PART_MAGIC_OFFSET] != 0x55 ||
+ buffer[DOS_PART_MAGIC_OFFSET + 1] != 0xaa) {
+ printf ("bad MBR sector signature 0x%02x%02x\n",
+ buffer[DOS_PART_MAGIC_OFFSET],
+ buffer[DOS_PART_MAGIC_OFFSET + 1]);
+ return;
+ }
+
+ /* Print all primary/logical partitions */
+ pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
+ for (i = 0; i < 4; i++, pt++) {
+ /*
+ * fdisk does not show the extended partitions that
+ * are not in the MBR
+ */
+
+ if ((pt->sys_ind != 0) &&
+ (ext_part_sector == 0 || !is_extended (pt->sys_ind)) ) {
+ print_one_part (pt, ext_part_sector, part_num);
+ }
+
+ /* Reverse engr the fdisk part# assignment rule! */
+ if ((ext_part_sector == 0) ||
+ (pt->sys_ind != 0 && !is_extended (pt->sys_ind)) ) {
+ part_num++;
+ }
+ }
+
+ /* Follows the extended partitions */
+ pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
+ for (i = 0; i < 4; i++, pt++) {
+ if (is_extended (pt->sys_ind)) {
+ int lba_start = le32_to_int (pt->start4) + relative;
+
+ print_partition_extended (dev_desc, lba_start,
+ ext_part_sector == 0 ? lba_start
+ : relative,
+ part_num);
+ }
+ }
+
+ return;
+}
+
+
+/* Print a partition that is relative to its Extended partition table
+ */
+static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part_sector,
+ int relative, int part_num,
+ int which_part, disk_partition_t *info)
+{
+ unsigned char buffer[DEFAULT_SECTOR_SIZE];
+ dos_partition_t *pt;
+ int i;
+
+ if (dev_desc->block_read (dev_desc->dev, ext_part_sector, 1, (ulong *) buffer) != 1) {
+ printf ("** Can't read partition table on %d:%d **\n",
+ dev_desc->dev, ext_part_sector);
+ return -1;
+ }
+ if (buffer[DOS_PART_MAGIC_OFFSET] != 0x55 ||
+ buffer[DOS_PART_MAGIC_OFFSET + 1] != 0xaa) {
+ printf ("bad MBR sector signature 0x%02x%02x\n",
+ buffer[DOS_PART_MAGIC_OFFSET],
+ buffer[DOS_PART_MAGIC_OFFSET + 1]);
+ return -1;
+ }
+
+ /* Print all primary/logical partitions */
+ pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
+ for (i = 0; i < 4; i++, pt++) {
+ /*
+ * fdisk does not show the extended partitions that
+ * are not in the MBR
+ */
+ if (pt->sys_ind != 0 && part_num == which_part) {
+ info->blksz = 512;
+ info->start = ext_part_sector + le32_to_int (pt->start4);
+ info->size = le32_to_int (pt->size4);
+ switch(dev_desc->if_type) {
+ case IF_TYPE_IDE:
+ case IF_TYPE_ATAPI:
+ sprintf (info->name, "hd%c%d\n", 'a' + dev_desc->dev, part_num);
+ break;
+ case IF_TYPE_SCSI:
+ sprintf (info->name, "sd%c%d\n", 'a' + dev_desc->dev, part_num);
+ break;
+ case IF_TYPE_USB:
+ sprintf (info->name, "usbd%c%d\n", 'a' + dev_desc->dev, part_num);
+ break;
+ case IF_TYPE_DOC:
+ sprintf (info->name, "docd%c%d\n", 'a' + dev_desc->dev, part_num);
+ break;
+ default:
+ sprintf (info->name, "xx%c%d\n", 'a' + dev_desc->dev, part_num);
+ break;
+ }
+ /* sprintf(info->type, "%d, pt->sys_ind); */
+ sprintf (info->type, "U-Boot");
+ return 0;
+ }
+
+ /* Reverse engr the fdisk part# assignment rule! */
+ if ((ext_part_sector == 0) ||
+ (pt->sys_ind != 0 && !is_extended (pt->sys_ind)) ) {
+ part_num++;
+ }
+ }
+
+ /* Follows the extended partitions */
+ pt = (dos_partition_t *) (buffer + DOS_PART_TBL_OFFSET);
+ for (i = 0; i < 4; i++, pt++) {
+ if (is_extended (pt->sys_ind)) {
+ int lba_start = le32_to_int (pt->start4) + relative;
+
+ return get_partition_info_extended (dev_desc, lba_start,
+ ext_part_sector == 0 ? lba_start : relative,
+ part_num, which_part, info);
+ }
+ }
+ return -1;
+}
+
+void print_part_dos (block_dev_desc_t *dev_desc)
+{
+ printf ("Partition Start Sector Num Sectors Type\n");
+ print_partition_extended (dev_desc, 0, 0, 1);
+}
+
+int get_partition_info_dos (block_dev_desc_t *dev_desc, int part, disk_partition_t * info)
+{
+ return get_partition_info_extended (dev_desc, 0, 0, 1, part, info);
+}
+
+
+
+#endif /* (CONFIG_COMMANDS & CFG_CMD_IDE) && CONFIG_DOS_PARTITION */
diff --git a/disk/part_mac.c b/disk/part_mac.c
new file mode 100644
index 0000000..ee9d170
--- /dev/null
+++ b/disk/part_mac.c
@@ -0,0 +1,251 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * Support for harddisk partitions.
+ *
+ * To be compatible with LinuxPPC and Apple we use the standard Apple
+ * SCSI disk partitioning scheme. For more information see:
+ * http://developer.apple.com/techpubs/mac/Devices/Devices-126.html#MARKER-14-92
+ */
+
+#include <common.h>
+#include <command.h>
+#include <ide.h>
+#include <cmd_disk.h>
+#include "part_mac.h"
+
+#if ((CONFIG_COMMANDS & CFG_CMD_IDE) || (CONFIG_COMMANDS & CFG_CMD_SCSI)) && defined(CONFIG_MAC_PARTITION)
+
+/* stdlib.h causes some compatibility problems; should fixe these! -- wd */
+#ifndef __ldiv_t_defined
+typedef struct {
+ long int quot; /* Quotient */
+ long int rem; /* Remainder */
+} ldiv_t;
+extern ldiv_t ldiv (long int __numer, long int __denom);
+# define __ldiv_t_defined 1
+#endif
+
+
+static int part_mac_read_ddb (block_dev_desc_t *dev_desc, mac_driver_desc_t *ddb_p);
+static int part_mac_read_pdb (block_dev_desc_t *dev_desc, int part, mac_partition_t *pdb_p);
+
+/*
+ * Test for a valid MAC partition
+ */
+int test_part_mac (block_dev_desc_t *dev_desc)
+{
+ mac_driver_desc_t ddesc;
+ mac_partition_t mpart;
+ ulong i, n;
+
+ if (part_mac_read_ddb (dev_desc, &ddesc)) {
+ /* error reading Driver Desriptor Block, or no valid Signature */
+ return (-1);
+ }
+
+ n = 1; /* assuming at least one partition */
+ for (i=1; i<=n; ++i) {
+ if ((dev_desc->block_read(dev_desc->dev, i, 1, (ulong *)&mpart) != 1) ||
+ (mpart.signature != MAC_PARTITION_MAGIC) ) {
+ return (-1);
+ }
+ /* update partition count */
+ n = mpart.map_count;
+ }
+ return (0);
+}
+
+
+void print_part_mac (block_dev_desc_t *dev_desc)
+{
+ ulong i, n;
+ mac_driver_desc_t ddesc;
+ mac_partition_t mpart;
+ ldiv_t mb, gb;
+
+ if (part_mac_read_ddb (dev_desc, &ddesc)) {
+ /* error reading Driver Desriptor Block, or no valid Signature */
+ return;
+ }
+
+ n = ddesc.blk_count;
+
+ mb = ldiv(n, ((1024 * 1024) / ddesc.blk_size)); /* MB */
+ /* round to 1 digit */
+ mb.rem *= 10 * ddesc.blk_size;
+ mb.rem += 512 * 1024;
+ mb.rem /= 1024 * 1024;
+
+ gb = ldiv(10 * mb.quot + mb.rem, 10240);
+ gb.rem += 512;
+ gb.rem /= 1024;
+
+
+ printf ("Block Size=%d, Number of Blocks=%d, "
+ "Total Capacity: %ld.%ld MB = %ld.%ld GB\n"
+ "DeviceType=0x%x, DeviceId=0x%x\n\n"
+ " #: type name"
+ " length base (size)\n",
+ ddesc.blk_size,
+ ddesc.blk_count,
+ mb.quot, mb.rem, gb.quot, gb.rem,
+ ddesc.dev_type, ddesc.dev_id
+ );
+
+ n = 1; /* assuming at least one partition */
+ for (i=1; i<=n; ++i) {
+ ulong bytes;
+ char c;
+
+ printf ("%4ld: ", i);
+ if (dev_desc->block_read (dev_desc->dev, i, 1, (ulong *)&mpart) != 1) {
+ printf ("** Can't read Partition Map on %d:%ld **\n",
+ dev_desc->dev, i);
+ return;
+ }
+
+ if (mpart.signature != MAC_PARTITION_MAGIC) {
+ printf ("** Bad Signature on %d:%ld - "
+ "expected 0x%04x, got 0x%04x\n",
+ dev_desc->dev, i, MAC_PARTITION_MAGIC, mpart.signature);
+ return;
+ }
+
+ /* update partition count */
+ n = mpart.map_count;
+
+ c = 'k';
+ bytes = mpart.block_count;
+ bytes /= (1024 / ddesc.blk_size); /* kB; assumes blk_size == 512 */
+ if (bytes >= 1024) {
+ bytes >>= 10;
+ c = 'M';
+ }
+ if (bytes >= 1024) {
+ bytes >>= 10;
+ c = 'G';
+ }
+
+ printf ("%20.32s %-18.32s %10u @ %-10u (%3ld%c)\n",
+ mpart.type,
+ mpart.name,
+ mpart.block_count,
+ mpart.start_block,
+ bytes, c
+ );
+ }
+
+ return;
+}
+
+
+/*
+ * Read Device Descriptor Block
+ */
+static int part_mac_read_ddb (block_dev_desc_t *dev_desc, mac_driver_desc_t *ddb_p)
+{
+ if (dev_desc->block_read(dev_desc->dev, 0, 1, (ulong *)ddb_p) != 1) {
+ printf ("** Can't read Driver Desriptor Block **\n");
+ return (-1);
+ }
+
+ if (ddb_p->signature != MAC_DRIVER_MAGIC) {
+#if 0
+ printf ("** Bad Signature: expected 0x%04x, got 0x%04x\n",
+ MAC_DRIVER_MAGIC, ddb_p->signature);
+#endif
+ return (-1);
+ }
+ return (0);
+}
+
+/*
+ * Read Partition Descriptor Block
+ */
+static int part_mac_read_pdb (block_dev_desc_t *dev_desc, int part, mac_partition_t *pdb_p)
+{
+ int n = 1;
+
+ for (;;) {
+ /*
+ * We must always read the descritpor block for
+ * partition 1 first since this is the only way to
+ * know how many partitions we have.
+ */
+ if (dev_desc->block_read (dev_desc->dev, n, 1, (ulong *)pdb_p) != 1) {
+ printf ("** Can't read Partition Map on %d:%d **\n",
+ dev_desc->dev, n);
+ return (-1);
+ }
+
+ if (pdb_p->signature != MAC_PARTITION_MAGIC) {
+ printf ("** Bad Signature on %d:%d: "
+ "expected 0x%04x, got 0x%04x\n",
+ dev_desc->dev, n, MAC_PARTITION_MAGIC, pdb_p->signature);
+ return (-1);
+ }
+
+ if (n == part)
+ return (0);
+
+ if ((part < 1) || (part > pdb_p->map_count)) {
+ printf ("** Invalid partition %d:%d [%d:1...%d:%d only]\n",
+ dev_desc->dev, part,
+ dev_desc->dev,
+ dev_desc->dev, pdb_p->map_count);
+ return (-1);
+ }
+
+ /* update partition count */
+ n = part;
+ }
+
+ /* NOTREACHED */
+}
+
+int get_partition_info_mac (block_dev_desc_t *dev_desc, int part, disk_partition_t *info)
+{
+ mac_driver_desc_t ddesc;
+ mac_partition_t mpart;
+
+ if (part_mac_read_ddb (dev_desc, &ddesc)) {
+ return (-1);
+ }
+
+ info->blksz = ddesc.blk_size;
+
+ if (part_mac_read_pdb (dev_desc, part, &mpart)) {
+ return (-1);
+ }
+
+ info->start = mpart.start_block;
+ info->size = mpart.block_count;
+ memcpy (info->type, mpart.type, sizeof(info->type));
+ memcpy (info->name, mpart.name, sizeof(info->name));
+
+ return (0);
+}
+
+#endif /* (CONFIG_COMMANDS & CFG_CMD_IDE) && CONFIG_MAC_PARTITION */
diff --git a/disk/part_mac.h b/disk/part_mac.h
new file mode 100644
index 0000000..0340fe8
--- /dev/null
+++ b/disk/part_mac.h
@@ -0,0 +1,96 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * See also Linux sources, fs/partitions/mac.h
+ *
+ * This file describes structures and values related to the standard
+ * Apple SCSI disk partitioning scheme. For more information see:
+ * http://developer.apple.com/techpubs/mac/Devices/Devices-126.html#MARKER-14-92
+ */
+
+#ifndef _DISK_PART_MAC_H
+#define _DISK_PART_MAC_H
+
+#define MAC_DRIVER_MAGIC 0x4552
+
+/*
+ * Driver Descriptor Structure, in block 0.
+ * This block is (and shall remain) 512 bytes long.
+ * Note that there is an alignment problem for the driver descriptor map!
+ */
+typedef struct mac_driver_desc {
+ __u16 signature; /* expected to be MAC_DRIVER_MAGIC */
+ __u16 blk_size; /* block size of device */
+ __u32 blk_count; /* number of blocks on device */
+ __u16 dev_type; /* device type */
+ __u16 dev_id; /* device id */
+ __u32 data; /* reserved */
+ __u16 drvr_cnt; /* number of driver descriptor entries */
+ __u16 drvr_map[247]; /* driver descriptor map */
+} mac_driver_desc_t;
+
+/*
+ * Device Driver Entry
+ * (Cannot be included in mac_driver_desc because of alignment problems)
+ */
+typedef struct mac_driver_entry {
+ __u32 block; /* block number of starting block */
+ __u16 size; /* size of driver, in 512 byte blocks */
+ __u16 type; /* OS Type */
+} mac_driver_entry_t;
+
+
+#define MAC_PARTITION_MAGIC 0x504d
+
+/* type field value for A/UX or other Unix partitions */
+#define APPLE_AUX_TYPE "Apple_UNIX_SVR2"
+
+/*
+ * Each Partition Map entry (in blocks 1 ... N) has this format:
+ */
+typedef struct mac_partition {
+ __u16 signature; /* expected to be MAC_PARTITION_MAGIC */
+ __u16 sig_pad; /* reserved */
+ __u32 map_count; /* # blocks in partition map */
+ __u32 start_block; /* abs. starting block # of partition */
+ __u32 block_count; /* number of blocks in partition */
+ uchar name[32]; /* partition name */
+ uchar type[32]; /* string type description */
+ __u32 data_start; /* rel block # of first data block */
+ __u32 data_count; /* number of data blocks */
+ __u32 status; /* partition status bits */
+ __u32 boot_start; /* first block of boot code */
+ __u32 boot_size; /* size of boot code, in bytes */
+ __u32 boot_load; /* boot code load address */
+ __u32 boot_load2; /* reserved */
+ __u32 boot_entry; /* boot code entry point */
+ __u32 boot_entry2; /* reserved */
+ __u32 boot_cksum; /* boot code checksum */
+ uchar processor[16]; /* Type of Processor */
+ __u16 part_pad[188]; /* reserved */
+} mac_partition_t;
+
+#define MAC_STATUS_BOOTABLE 8 /* partition is bootable */
+
+#endif /* _DISK_PART_MAC_H */
generated by cgit v1.1 at 2024-11-22 00:38:03 +0000