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authorwdenk <wdenk>2002-11-03 00:38:21 +0000
committerwdenk <wdenk>2002-11-03 00:38:21 +0000
commitfe8c2806cdba70479e351299881a395dc2be7785 (patch)
treea1e8b98a1838cba6e6f5c765d9d85339257c45f5 /disk/part_mac.h
parentf9087a3213cc245cf9b90436475b5af822bd7579 (diff)
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+/*
+ * (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 */