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-rw-r--r--libparted/fs/amiga/affs.c292
1 files changed, 292 insertions, 0 deletions
diff --git a/libparted/fs/amiga/affs.c b/libparted/fs/amiga/affs.c
new file mode 100644
index 0000000..750eab2
--- /dev/null
+++ b/libparted/fs/amiga/affs.c
@@ -0,0 +1,292 @@
+/*
+ affs.c -- parted support for affs 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 "affs.h"
+
+#if ENABLE_NLS
+# include <libintl.h>
+# define _(String) dgettext (PACKAGE, String)
+#else
+# define _(String) (String)
+#endif /* ENABLE_NLS */
+
+static int
+_affs_probe_root (uint32_t *block, int blocksize) {
+ int i;
+ uint32_t sum;
+
+ if (PED_BE32_TO_CPU (block[0]) != 2) return 0;
+ if (PED_BE32_TO_CPU (block[128*blocksize-1]) != 1) return 0;
+ for (i = 0, sum = 0; i < 128*blocksize; i++)
+ sum += PED_BE32_TO_CPU (block[i]);
+ if (sum) return 0;
+ return 1;
+}
+
+static PedGeometry*
+_generic_affs_probe (PedGeometry* geom, uint32_t kind)
+{
+ uint32_t *block;
+ PedSector root, len, pos;
+ struct PartitionBlock * part;
+ int 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);
+ reserved = reserved == 0 ? 1 : 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 */
+ len = geom->length / blocksize - reserved;
+ pos = (len - 1) / 2;
+ root = geom->start + (pos + 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 (_affs_probe_root(block, blocksize) == 1) {
+ free (block);
+ return ped_geometry_duplicate (geom);
+ }
+
+error:
+ free (block);
+error_block:
+error_part:
+ return NULL;
+}
+static PedGeometry*
+_affs0_probe (PedGeometry* geom) {
+ return _generic_affs_probe (geom, 0x444f5300);
+}
+static PedGeometry*
+_affs1_probe (PedGeometry* geom) {
+ return _generic_affs_probe (geom, 0x444f5301);
+}
+static PedGeometry*
+_affs2_probe (PedGeometry* geom) {
+ return _generic_affs_probe (geom, 0x444f5302);
+}
+static PedGeometry*
+_affs3_probe (PedGeometry* geom) {
+ return _generic_affs_probe (geom, 0x444f5303);
+}
+static PedGeometry*
+_affs4_probe (PedGeometry* geom) {
+ return _generic_affs_probe (geom, 0x444f5304);
+}
+static PedGeometry*
+_affs5_probe (PedGeometry* geom) {
+ return _generic_affs_probe (geom, 0x444f5305);
+}
+static PedGeometry*
+_affs6_probe (PedGeometry* geom) {
+ return _generic_affs_probe (geom, 0x444f5306);
+}
+static PedGeometry*
+_affs7_probe (PedGeometry* geom) {
+ return _generic_affs_probe (geom, 0x444f5307);
+}
+static PedGeometry*
+_amufs_probe (PedGeometry* geom) {
+ return _generic_affs_probe (geom, 0x6d754653);
+}
+static PedGeometry*
+_amufs0_probe (PedGeometry* geom) {
+ return _generic_affs_probe (geom, 0x6d754600);
+}
+static PedGeometry*
+_amufs1_probe (PedGeometry* geom) {
+ return _generic_affs_probe (geom, 0x6d754601);
+}
+static PedGeometry*
+_amufs2_probe (PedGeometry* geom) {
+ return _generic_affs_probe (geom, 0x6d754602);
+}
+static PedGeometry*
+_amufs3_probe (PedGeometry* geom) {
+ return _generic_affs_probe (geom, 0x6d754603);
+}
+static PedGeometry*
+_amufs4_probe (PedGeometry* geom) {
+ return _generic_affs_probe (geom, 0x6d754604);
+}
+static PedGeometry*
+_amufs5_probe (PedGeometry* geom) {
+ return _generic_affs_probe (geom, 0x6d754605);
+}
+
+static PedFileSystemOps _affs0_ops = {
+ probe: _affs0_probe,
+};
+static PedFileSystemOps _affs1_ops = {
+ probe: _affs1_probe,
+};
+static PedFileSystemOps _affs2_ops = {
+ probe: _affs2_probe,
+};
+static PedFileSystemOps _affs3_ops = {
+ probe: _affs3_probe,
+};
+static PedFileSystemOps _affs4_ops = {
+ probe: _affs4_probe,
+};
+static PedFileSystemOps _affs5_ops = {
+ probe: _affs5_probe,
+};
+static PedFileSystemOps _affs6_ops = {
+ probe: _affs6_probe,
+};
+static PedFileSystemOps _affs7_ops = {
+ probe: _affs7_probe,
+};
+static PedFileSystemOps _amufs_ops = {
+ probe: _amufs_probe,
+};
+static PedFileSystemOps _amufs0_ops = {
+ probe: _amufs0_probe,
+};
+static PedFileSystemOps _amufs1_ops = {
+ probe: _amufs1_probe,
+};
+static PedFileSystemOps _amufs2_ops = {
+ probe: _amufs2_probe,
+};
+static PedFileSystemOps _amufs3_ops = {
+ probe: _amufs3_probe,
+};
+static PedFileSystemOps _amufs4_ops = {
+ probe: _amufs4_probe,
+};
+static PedFileSystemOps _amufs5_ops = {
+ probe: _amufs5_probe,
+};
+
+PedFileSystemType _affs0_type = {
+ next: NULL,
+ ops: &_affs0_ops,
+ name: "affs0",
+};
+PedFileSystemType _affs1_type = {
+ next: NULL,
+ ops: &_affs1_ops,
+ name: "affs1",
+};
+PedFileSystemType _affs2_type = {
+ next: NULL,
+ ops: &_affs2_ops,
+ name: "affs2",
+};
+PedFileSystemType _affs3_type = {
+ next: NULL,
+ ops: &_affs3_ops,
+ name: "affs3",
+};
+PedFileSystemType _affs4_type = {
+ next: NULL,
+ ops: &_affs4_ops,
+ name: "affs4",
+};
+PedFileSystemType _affs5_type = {
+ next: NULL,
+ ops: &_affs5_ops,
+ name: "affs5",
+};
+PedFileSystemType _affs6_type = {
+ next: NULL,
+ ops: &_affs6_ops,
+ name: "affs6",
+};
+PedFileSystemType _affs7_type = {
+ next: NULL,
+ ops: &_affs7_ops,
+ name: "affs7",
+};
+PedFileSystemType _amufs_type = {
+ next: NULL,
+ ops: &_amufs_ops,
+ name: "amufs",
+};
+PedFileSystemType _amufs0_type = {
+ next: NULL,
+ ops: &_amufs0_ops,
+ name: "amufs0",
+};
+PedFileSystemType _amufs1_type = {
+ next: NULL,
+ ops: &_amufs1_ops,
+ name: "amufs1",
+};
+PedFileSystemType _amufs2_type = {
+ next: NULL,
+ ops: &_amufs2_ops,
+ name: "amufs2",
+};
+PedFileSystemType _amufs3_type = {
+ next: NULL,
+ ops: &_amufs3_ops,
+ name: "amufs3",
+};
+PedFileSystemType _amufs4_type = {
+ next: NULL,
+ ops: &_amufs4_ops,
+ name: "amufs4",
+};
+PedFileSystemType _amufs5_type = {
+ next: NULL,
+ ops: &_amufs5_ops,
+ name: "amufs5",
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 06:51:06 +0000