Commit yaboot 1.3.0

[yaboot.git] / include / mac-part.h

diff --git a/include/mac-part.h b/include/mac-part.h
new file mode 100644 (file)
index 0000000..428f623
--- /dev/null
+++ b/include/mac-part.h
@@ -0,0 +1,45 @@
+/*
+ * Structure of a Macintosh driver descriptor (block 0)
+ * and partition table (blocks 1..n).
+ *
+ * Copyright 1996 Paul Mackerras.
+ */
+
+#define MAC_PARTITION_MAGIC    0x504d
+
+/* type field value for A/UX or other Unix partitions */
+#define APPLE_AUX_TYPE "Apple_UNIX_SVR2"
+
+struct mac_partition {
+    __u16      signature;      /* expected to be MAC_PARTITION_MAGIC */
+    __u16      res1;
+    __u32      map_count;      /* # blocks in partition map */
+    __u32      start_block;    /* absolute starting block # of partition */
+    __u32      block_count;    /* number of blocks in partition */
+    char       name[32];       /* partition name */
+    char       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 */
+    __u32      boot_start;     /* logical start block no. of bootstrap */
+    __u32      boot_size;      /* no. of bytes in bootstrap */
+    __u32      boot_load;      /* bootstrap load address in memory */
+    __u32      boot_load2;     /* reserved for extension of boot_load */
+    __u32      boot_entry;     /* entry point address for bootstrap */
+    __u32      boot_entry2;    /* reserved for extension of boot_entry */
+    __u32      boot_cksum;
+    char       processor[16];  /* name of processor that boot is for */
+};
+
+/* Bit in status field */
+#define STATUS_BOOTABLE        8       /* partition is bootable */
+
+#define MAC_DRIVER_MAGIC       0x4552
+
+/* Driver descriptor structure, in block 0 */
+struct mac_driver_desc {
+    __u16      signature;      /* expected to be MAC_DRIVER_MAGIC */
+    __u16      block_size;
+    __u32      block_count;
+    /* ... more stuff */
+};