Adding upstream version 2.06.upstream/2.06upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 259 insertions, 0 deletions

diff --git a/include/grub/hfsplus.h b/include/grub/hfsplus.h
new file mode 100644
index 0000000..e14dd31
--- /dev/null
+++ b/include/grub/hfsplus.h
@@ -0,0 +1,259 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2005,2006,2007,2008,2009,2012,2013  Free Software Foundation, Inc.
+ *
+ *  GRUB 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 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB 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 GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/types.h>
+#include <grub/disk.h>
+
+#define GRUB_HFSPLUS_MAGIC 0x482B
+#define GRUB_HFSPLUSX_MAGIC 0x4858
+#define GRUB_HFSPLUS_SBLOCK 2
+
+/* A HFS+ extent.  */
+struct grub_hfsplus_extent
+{
+  /* The first block of a file on disk.  */
+  grub_uint32_t start;
+  /* The amount of blocks described by this extent.  */
+  grub_uint32_t count;
+} GRUB_PACKED;
+
+/* The descriptor of a fork.  */
+struct grub_hfsplus_forkdata
+{
+  grub_uint64_t size;
+  grub_uint32_t clumpsize;
+  grub_uint32_t blocks;
+  struct grub_hfsplus_extent extents[8];
+} GRUB_PACKED;
+
+/* The HFS+ Volume Header.  */
+struct grub_hfsplus_volheader
+{
+  grub_uint16_t magic;
+  grub_uint16_t version;
+  grub_uint32_t attributes;
+  grub_uint8_t unused1[12];
+  grub_uint32_t utime;
+  grub_uint8_t unused2[16];
+  grub_uint32_t blksize;
+  grub_uint8_t unused3[36];
+
+  grub_uint32_t ppc_bootdir;
+  grub_uint32_t intel_bootfile;
+  /* Folder opened when disk is mounted. Unused by GRUB. */
+  grub_uint32_t showfolder;
+  grub_uint32_t os9folder;
+  grub_uint8_t unused4[4];
+  grub_uint32_t osxfolder;
+
+  grub_uint64_t num_serial;
+  struct grub_hfsplus_forkdata allocations_file;
+  struct grub_hfsplus_forkdata extents_file;
+  struct grub_hfsplus_forkdata catalog_file;
+  struct grub_hfsplus_forkdata attr_file;
+  struct grub_hfsplus_forkdata startup_file;
+} GRUB_PACKED;
+
+struct grub_hfsplus_compress_index
+{
+  grub_uint32_t start;
+  grub_uint32_t size;
+};
+
+struct grub_hfsplus_file
+{
+  struct grub_hfsplus_data *data;
+  struct grub_hfsplus_extent extents[8];
+  struct grub_hfsplus_extent resource_extents[8];
+  grub_uint64_t size;
+  grub_uint64_t resource_size;
+  grub_uint32_t fileid;
+  grub_int32_t mtime;
+  int compressed;
+  char *cbuf;
+  void *file;
+  struct grub_hfsplus_compress_index *compress_index;
+  grub_uint32_t cbuf_block;
+  grub_uint32_t compress_index_size;
+};
+
+struct grub_hfsplus_btree
+{
+  grub_uint32_t root;
+  grub_size_t nodesize;
+
+  /* Catalog file node.  */
+  struct grub_hfsplus_file file;
+};
+
+/* Information about a "mounted" HFS+ filesystem.  */
+struct grub_hfsplus_data
+{
+  struct grub_hfsplus_volheader volheader;
+  grub_disk_t disk;
+
+  unsigned int log2blksize;
+
+  struct grub_hfsplus_btree catalog_tree;
+  struct grub_hfsplus_btree extoverflow_tree;
+  struct grub_hfsplus_btree attr_tree;
+
+  int extoverflow_tree_ready;
+
+  struct grub_hfsplus_file dirroot;
+  struct grub_hfsplus_file opened_file;
+
+  /* This is the offset into the physical disk for an embedded HFS+
+     filesystem (one inside a plain HFS wrapper).  */
+  grub_disk_addr_t embedded_offset;
+  int case_sensitive;
+};
+
+/* Internal representation of a catalog key.  */
+struct grub_hfsplus_catkey_internal
+{
+  grub_uint32_t parent;
+  const grub_uint16_t *name;
+  grub_size_t namelen;
+};
+
+/* Internal representation of an extent overflow key.  */
+struct grub_hfsplus_extkey_internal
+{
+  grub_uint32_t fileid;
+  grub_uint32_t start;
+  grub_uint8_t type;
+};
+
+struct grub_hfsplus_attrkey
+{
+  grub_uint16_t keylen;
+  grub_uint16_t unknown1[1];
+  grub_uint32_t cnid;
+  grub_uint16_t unknown2[2];
+  grub_uint16_t namelen;
+  grub_uint16_t name[0];
+} GRUB_PACKED;
+
+struct grub_hfsplus_attrkey_internal
+{
+  grub_uint32_t cnid;
+  const grub_uint16_t *name;
+  grub_size_t namelen;
+};
+
+struct grub_hfsplus_key_internal
+{
+  union
+  {
+    struct grub_hfsplus_extkey_internal extkey;
+    struct grub_hfsplus_catkey_internal catkey;
+    struct grub_hfsplus_attrkey_internal attrkey;
+  };
+};
+
+/* The on disk layout of a catalog key.  */
+struct grub_hfsplus_catkey
+{
+  grub_uint16_t keylen;
+  grub_uint32_t parent;
+  grub_uint16_t namelen;
+  grub_uint16_t name[0];
+} GRUB_PACKED;
+
+/* The on disk layout of an extent overflow file key.  */
+struct grub_hfsplus_extkey
+{
+  grub_uint16_t keylen;
+  grub_uint8_t type;
+  grub_uint8_t unused;
+  grub_uint32_t fileid;
+  grub_uint32_t start;
+} GRUB_PACKED;
+
+struct grub_hfsplus_key
+{
+  union
+  {
+    struct grub_hfsplus_extkey extkey;
+    struct grub_hfsplus_catkey catkey;
+    struct grub_hfsplus_attrkey attrkey;
+    grub_uint16_t keylen;
+  };
+} GRUB_PACKED;
+
+struct grub_hfsplus_btnode
+{
+  grub_uint32_t next;
+  grub_uint32_t prev;
+  grub_int8_t type;
+  grub_uint8_t height;
+  grub_uint16_t count;
+  grub_uint16_t unused;
+} GRUB_PACKED;
+
+/* Return the offset of the record with the index INDEX, in the node
+   NODE which is part of the B+ tree BTREE.  */
+static inline grub_uint16_t
+grub_hfsplus_btree_recoffset (struct grub_hfsplus_btree *btree,
+			   struct grub_hfsplus_btnode *node, unsigned index)
+{
+  char *cnode = (char *) node;
+  void *recptr;
+  if (btree->nodesize < index * sizeof (grub_uint16_t) + 2)
+    index = 0;
+  recptr = (&cnode[btree->nodesize - index * sizeof (grub_uint16_t) - 2]);
+  return grub_be_to_cpu16 (grub_get_unaligned16 (recptr));
+}
+
+/* Return a pointer to the record with the index INDEX, in the node
+   NODE which is part of the B+ tree BTREE.  */
+static inline struct grub_hfsplus_key *
+grub_hfsplus_btree_recptr (struct grub_hfsplus_btree *btree,
+			   struct grub_hfsplus_btnode *node, unsigned index)
+{
+  char *cnode = (char *) node;
+  grub_uint16_t offset;
+  offset = grub_hfsplus_btree_recoffset (btree, node, index);
+  if (offset > btree->nodesize - sizeof (struct grub_hfsplus_key))
+    offset = 0;
+  return (struct grub_hfsplus_key *) &cnode[offset];
+}
+
+extern grub_err_t (*grub_hfsplus_open_compressed) (struct grub_hfsplus_file *node);
+extern grub_ssize_t (*grub_hfsplus_read_compressed) (struct grub_hfsplus_file *node,
+						     grub_off_t pos,
+						     grub_size_t len,
+						     char *buf);
+
+grub_ssize_t
+grub_hfsplus_read_file (struct grub_hfsplus_file *node,
+			grub_disk_read_hook_t read_hook, void *read_hook_data,
+			grub_off_t pos, grub_size_t len, char *buf);
+grub_err_t
+grub_hfsplus_btree_search (struct grub_hfsplus_btree *btree,
+			   struct grub_hfsplus_key_internal *key,
+			   int (*compare_keys) (struct grub_hfsplus_key *keya,
+						struct grub_hfsplus_key_internal *keyb),
+			   struct grub_hfsplus_btnode **matchnode, 
+			   grub_off_t *keyoffset);
+grub_err_t
+grub_mac_bless_inode (grub_device_t dev, grub_uint32_t inode, int is_dir,
+		      int intel);
+grub_err_t
+grub_mac_bless_file (grub_device_t dev, const char *path_in, int intel);