Introduces btrfs file-system to read file from
volume/sub-volumes with btrload command. This
implementation has read-only support.
This btrfs implementation is based on syslinux btrfs
code, commit 269ebc845ebc8b46ef4b0be7fa0005c7fdb95b8d.
v7: patch re-formated.
v6: patch re-formated.
v5: merged with master.
v4: btrls command added.
Signed-off-by: Adnan Ali
---
Makefile |1 +
common/Makefile|1 +
common/cmd_btr.c | 65 +++
fs/btrfs/Makefile | 51 ++
fs/btrfs/btrfs.c | 1357
fs/fs.c| 10 +
include/btrfs.h| 416 ++
include/config_fallbacks.h |4 +
include/crc.h |8 +
include/fs.h |1 +
lib/Makefile |1 +
lib/crc32_c.c | 40 ++
12 files changed, 1955 insertions(+)
create mode 100644 common/cmd_btr.c
create mode 100644 fs/btrfs/Makefile
create mode 100644 fs/btrfs/btrfs.c
create mode 100644 include/btrfs.h
create mode 100644 lib/crc32_c.c
diff --git a/Makefile b/Makefile
index 55bd55c..b3da594 100644
--- a/Makefile
+++ b/Makefile
@@ -257,6 +257,7 @@ endif
LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o
LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
LIBS-y += fs/libfs.o \
+fs/btrfs/libbtrfs.o \
fs/cbfs/libcbfs.o \
fs/cramfs/libcramfs.o \
fs/ext4/libext4fs.o \
diff --git a/common/Makefile b/common/Makefile
index 719fc23..d1fae56 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -73,6 +73,7 @@ COBJS-$(CONFIG_CMD_BEDBUG) += bedbug.o cmd_bedbug.o
COBJS-$(CONFIG_CMD_BMP) += cmd_bmp.o
COBJS-$(CONFIG_CMD_BOOTLDR) += cmd_bootldr.o
COBJS-$(CONFIG_CMD_BOOTSTAGE) += cmd_bootstage.o
+COBJS-$(CONFIG_CMD_BTR) += cmd_btr.o
COBJS-$(CONFIG_CMD_CACHE) += cmd_cache.o
COBJS-$(CONFIG_CMD_CBFS) += cmd_cbfs.o
COBJS-$(CONFIG_CMD_CONSOLE) += cmd_console.o
diff --git a/common/cmd_btr.c b/common/cmd_btr.c
new file mode 100644
index 000..846c0f1
--- /dev/null
+++ b/common/cmd_btr.c
@@ -0,0 +1,65 @@
+/*
+ * (C) Copyright 2013 Codethink Limited
+ * Btrfs port to Uboot by
+ * Adnan Ali
+ * 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
+ */
+
+/*
+ * Boot support
+ */
+#include
+#include
+
+char subvolname[BTRFS_MAX_SUBVOL_NAME];
+
+int do_btr_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ if (argc > 5)
+ strcpy(subvolname, argv[5]);
+ else
+ strcpy(subvolname, "");
+
+ return do_load(cmdtp, flag, argc, argv, FS_TYPE_BTR, 16);
+}
+
+
+U_BOOT_CMD(
+ btrload,7, 0, do_btr_fsload,
+ "load binary file from a btr filesystem",
+ " [][subvol_name]\n"
+ "- Load binary file 'filename' from 'dev' on 'interface'\n"
+ " to address 'addr' from better filesystem.\n"
+ " the load stops on end of file.\n"
+ " subvol_name is used read that file from this subvolume.\n"
+ " All numeric parameters are assumed to be hex."
+);
+
+static int do_btr_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+return do_ls(cmdtp, flag, argc, argv, FS_TYPE_BTR);
+}
+
+U_BOOT_CMD(
+btrls, 4, 1, do_btr_ls,
+"list files in a directory (default /)",
+" [] [directory]\n"
+"- list files from 'dev' on 'interface' in a 'directory'"
+);
+
diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile
new file mode 100644
index 000..a9e2021
--- /dev/null
+++ b/fs/btrfs/Makefile
@@ -0,0 +1,51 @@
+#
+# (C) Copyright 2006
+# Wolfgang Denk, DENX Software Engineering, w...@denx.de.
+#
+# (C) Copyright 2003
+# Pavel Bartusek, Sysgo Real-Time Solutions AG, p...@sysgo.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
+# ME
