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[2/4] fs/squashfs: add filesystem commands

Message ID 20200709175148.17193-3-joaomarcos.costa@bootlin.com
State New
Headers show
Series Add support for the SquashFS filesystem | expand

Commit Message

Joao Marcos Costa July 9, 2020, 5:51 p.m. UTC 
Add 'ls' (sqfsls) and 'load' (sqfsload) commands.

Signed-off-by: Joao Marcos Costa <joaomarcos.costa at bootlin.com>
---
 cmd/Kconfig  |  6 ++++++
 cmd/Makefile |  1 +
 cmd/sqfs.c   | 43 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 50 insertions(+)
 create mode 100644 cmd/sqfs.c

--
2.17.1
diff mbox series

Patch

diff --git a/cmd/Kconfig b/cmd/Kconfig
index 6403bc45a5..fa2a697dea 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -1993,6 +1993,12 @@  config CMD_FAT
 	help
 	  Support for the FAT fs

+config CMD_SQUASHFS
+	bool "SquashFS command support"
+	select FS_SQUASHFS
+	help
+	 Enables SquashFS filesystem commands (e.g. load, ls).
+
 config CMD_FS_GENERIC
 	bool "filesystem commands"
 	help
diff --git a/cmd/Makefile b/cmd/Makefile
index f1dd513a4b..0553b0b70e 100644
--- a/cmd/Makefile
+++ b/cmd/Makefile
@@ -60,6 +60,7 @@  obj-$(CONFIG_CMD_EXT4) += ext4.o
 obj-$(CONFIG_CMD_EXT2) += ext2.o
 obj-$(CONFIG_CMD_FAT) += fat.o
 obj-$(CONFIG_CMD_FDT) += fdt.o
+obj-$(CONFIG_CMD_SQUASHFS) += sqfs.o
 obj-$(CONFIG_CMD_FITUPD) += fitupd.o
 obj-$(CONFIG_CMD_FLASH) += flash.o
 obj-$(CONFIG_CMD_FPGA) += fpga.o
diff --git a/cmd/sqfs.c b/cmd/sqfs.c
new file mode 100644
index 0000000000..af42df728b
--- /dev/null
+++ b/cmd/sqfs.c
@@ -0,0 +1,43 @@ 
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 Bootlin
+ *
+ * Author: Joao Marcos Costa <joaomarcos.costa at bootlin.com>
+ *
+ * squashfs.c:	implements SquashFS related commands
+ */
+
+#include <fs.h>
+#include <squashfs.h>
+
+int do_sqfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	return do_ls(cmdtp, flag, argc, argv, FS_TYPE_SQUASHFS);
+}
+
+U_BOOT_CMD(
+	sqfsls,	4, 1, do_sqfs_ls,
+	"List files in directory. Default: root (/).",
+	"<interface> [<dev[:part]>] [directory]\n"\
+	"    - list files from 'dev' on 'interface' in 'directory'\n"
+);
+
+int do_sqfs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	return do_load(cmdtp, flag, argc, argv, FS_TYPE_SQUASHFS);
+}
+
+U_BOOT_CMD(
+	sqfsload, 7, 0, do_sqfs_load,
+	"load binary file from a SquashFS filesystem",
+	"<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n"
+	"    - Load binary file 'filename' from 'dev' on 'interface'\n"
+	"      to address 'addr' from SquashFS filesystem.\n"
+	"      'pos' gives the file position to start loading from.\n"
+	"      If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n"
+	"      'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n"
+	"      the load stops on end of file.\n"
+	"      If either 'pos' or 'bytes' are not aligned to\n"
+	"      ARCH_DMA_MINALIGN then a misaligned buffer warning will\n"
+	"      be printed and performance will suffer for the load."
+);