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fs/squashfs: add filesystem commands

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Add 'ls' and 'load' commands.

Signed-off-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com>
This commit is contained in:
Joao Marcos Costa 2020-07-30 15:33:48 +02:00 committed by Tom Rini
parent c510061303
commit bba604b65e
4 changed files with 50 additions and 0 deletions
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1
MAINTAINERS
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@ -974,6 +974,7 @@ M: Joao Marcos Costa <joaomarcos.costa@bootlin.com>
S: Maintained S: Maintained
F: fs/squashfs/ F: fs/squashfs/
F: include/sqfs.h F: include/sqfs.h
F: cmd/sqfs.c
TARGET_BCMNS3 TARGET_BCMNS3
M: Bharat Gooty <bharat.gooty@broadcom.com> M: Bharat Gooty <bharat.gooty@broadcom.com>

6
cmd/Kconfig
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@ -2090,6 +2090,12 @@ config CMD_FAT
help help
Support for the FAT fs 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 config CMD_FS_GENERIC
bool "filesystem commands" bool "filesystem commands"
help help

1
cmd/Makefile
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@ -63,6 +63,7 @@ obj-$(CONFIG_CMD_EXT4) += ext4.o
obj-$(CONFIG_CMD_EXT2) += ext2.o obj-$(CONFIG_CMD_EXT2) += ext2.o
obj-$(CONFIG_CMD_FAT) += fat.o obj-$(CONFIG_CMD_FAT) += fat.o
obj-$(CONFIG_CMD_FDT) += fdt.o obj-$(CONFIG_CMD_FDT) += fdt.o
obj-$(CONFIG_CMD_SQUASHFS) += sqfs.o
obj-$(CONFIG_CMD_FLASH) += flash.o obj-$(CONFIG_CMD_FLASH) += flash.o
obj-$(CONFIG_CMD_FPGA) += fpga.o obj-$(CONFIG_CMD_FPGA) += fpga.o
obj-$(CONFIG_CMD_FPGAD) += fpgad.o obj-$(CONFIG_CMD_FPGAD) += fpgad.o

42
cmd/sqfs.c Normal file
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@ -0,0 +1,42 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020 Bootlin
*
* Author: Joao Marcos Costa <joaomarcos.costa@bootlin.com>
*
* squashfs.c: implements SquashFS related commands
*/
#include <command.h>
#include <fs.h>
#include <squashfs.h>
static int do_sqfs_ls(struct cmd_tbl *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"
);
static int do_sqfs_load(struct cmd_tbl *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."
);