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-rw-r--r--libparted/fs/amiga/apfs.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/libparted/fs/amiga/apfs.c b/libparted/fs/amiga/apfs.c
new file mode 100644
index 0000000..aeaa1f3
--- /dev/null
+++ b/libparted/fs/amiga/apfs.c
@@ -0,0 +1,128 @@
+/*
+ apfs.c -- parted support for apfs file systems
+ Copyright (C) 1998-2000, 2007, 2009-2014, 2019-2023 Free Software
+ Foundation, Inc.
+
+ 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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#include <parted/parted.h>
+#include <parted/debug.h>
+#include <parted/endian.h>
+
+#include "amiga.h"
+#include "apfs.h"
+
+#if ENABLE_NLS
+# include <libintl.h>
+# define _(String) dgettext (PACKAGE, String)
+#else
+# define _(String) (String)
+#endif /* ENABLE_NLS */
+
+static int
+_apfs_probe_root (uint32_t *block, uint32_t blocksize, uint32_t kind) {
+ if (PED_BE32_TO_CPU (block[0]) != kind) return 0;
+ return 1;
+}
+
+static PedGeometry*
+_generic_apfs_probe (PedGeometry* geom, uint32_t kind)
+{
+ uint32_t *block;
+ PedSector root;
+ struct PartitionBlock * part;
+ uint32_t blocksize = 1, reserved = 2;
+
+ PED_ASSERT (geom != NULL);
+ PED_ASSERT (geom->dev != NULL);
+ if (geom->dev->sector_size != 512)
+ return NULL;
+
+ /* Finds the blocksize and reserved values of the partition block */
+ if (!(part = ped_malloc (PED_SECTOR_SIZE_DEFAULT*blocksize))) {
+ ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
+ _("%s : Failed to allocate partition block\n"), __func__);
+ goto error_part;
+ }
+ if (amiga_find_part(geom, part) != NULL) {
+ reserved = PED_BE32_TO_CPU (part->de_Reserved);
+ blocksize = PED_BE32_TO_CPU (part->de_SizeBlock)
+ * PED_BE32_TO_CPU (part->de_SectorPerBlock) / 128;
+ }
+ free (part);
+
+ /* Test boot block */
+ if (!(block = ped_malloc (PED_SECTOR_SIZE_DEFAULT*blocksize))) {
+ ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
+ _("%s : Failed to allocate block\n"), __func__);
+ goto error_block;
+ }
+ if (!ped_device_read (geom->dev, block, geom->start, blocksize)) {
+ ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
+ _("%s : Couldn't read boot block %llu\n"), __func__, geom->start);
+ goto error;
+ }
+ if (PED_BE32_TO_CPU (block[0]) != kind) {
+ goto error;
+ }
+
+ /* Find and test the root block */
+ root = geom->start+reserved*blocksize;
+ if (!ped_device_read (geom->dev, block, root, blocksize)) {
+ ped_exception_throw(PED_EXCEPTION_ERROR, PED_EXCEPTION_CANCEL,
+ _("%s : Couldn't read root block %llu\n"), __func__, root);
+ goto error;
+ }
+ if (_apfs_probe_root(block, blocksize, kind) == 1) {
+ free(block);
+ return ped_geometry_duplicate (geom);
+ }
+
+error:
+ free (block);
+error_block:
+error_part:
+ return NULL;
+}
+
+static PedGeometry*
+_apfs1_probe (PedGeometry* geom) {
+ return _generic_apfs_probe (geom, 0x50463101);
+}
+
+static PedGeometry*
+_apfs2_probe (PedGeometry* geom) {
+ return _generic_apfs_probe (geom, 0x50463102);
+}
+
+static PedFileSystemOps _apfs1_ops = {
+ probe: _apfs1_probe,
+};
+static PedFileSystemOps _apfs2_ops = {
+ probe: _apfs2_probe,
+};
+
+PedFileSystemType _apfs1_type = {
+ next: NULL,
+ ops: &_apfs1_ops,
+ name: "apfs1",
+};
+PedFileSystemType _apfs2_type = {
+ next: NULL,
+ ops: &_apfs2_ops,
+ name: "apfs2",
+};