xref: /openbmc/u-boot/cmd/fs.c (revision 523849a0)
1 /*
2  * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
3  *
4  * Inspired by cmd_ext_common.c, cmd_fat.c.
5  *
6  * SPDX-License-Identifier:	GPL-2.0
7  */
8 
9 #include <common.h>
10 #include <command.h>
11 #include <fs.h>
12 #include <efi_loader.h>
13 
14 static int do_size_wrapper(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
15 {
16 	return do_size(cmdtp, flag, argc, argv, FS_TYPE_ANY);
17 }
18 
19 U_BOOT_CMD(
20 	size,	4,	0,	do_size_wrapper,
21 	"determine a file's size",
22 	"<interface> <dev[:part]> <filename>\n"
23 	"    - Find file 'filename' from 'dev' on 'interface'\n"
24 	"      and determine its size."
25 );
26 
27 static int do_load_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
28 				char * const argv[])
29 {
30 	efi_set_bootdev(argv[1], (argc > 2) ? argv[2] : "");
31 	return do_load(cmdtp, flag, argc, argv, FS_TYPE_ANY);
32 }
33 
34 U_BOOT_CMD(
35 	load,	7,	0,	do_load_wrapper,
36 	"load binary file from a filesystem",
37 	"<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n"
38 	"    - Load binary file 'filename' from partition 'part' on device\n"
39 	"       type 'interface' instance 'dev' to address 'addr' in memory.\n"
40 	"      'bytes' gives the size to load in bytes.\n"
41 	"      If 'bytes' is 0 or omitted, the file is read until the end.\n"
42 	"      'pos' gives the file byte position to start reading from.\n"
43 	"      If 'pos' is 0 or omitted, the file is read from the start."
44 )
45 
46 static int do_save_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
47 				char * const argv[])
48 {
49 	return do_save(cmdtp, flag, argc, argv, FS_TYPE_ANY);
50 }
51 
52 U_BOOT_CMD(
53 	save,	7,	0,	do_save_wrapper,
54 	"save file to a filesystem",
55 	"<interface> <dev[:part]> <addr> <filename> bytes [pos]\n"
56 	"    - Save binary file 'filename' to partition 'part' on device\n"
57 	"      type 'interface' instance 'dev' from addr 'addr' in memory.\n"
58 	"      'bytes' gives the size to save in bytes and is mandatory.\n"
59 	"      'pos' gives the file byte position to start writing to.\n"
60 	"      If 'pos' is 0 or omitted, the file is written from the start."
61 )
62 
63 static int do_ls_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
64 				char * const argv[])
65 {
66 	return do_ls(cmdtp, flag, argc, argv, FS_TYPE_ANY);
67 }
68 
69 U_BOOT_CMD(
70 	ls,	4,	1,	do_ls_wrapper,
71 	"list files in a directory (default /)",
72 	"<interface> [<dev[:part]> [directory]]\n"
73 	"    - List files in directory 'directory' of partition 'part' on\n"
74 	"      device type 'interface' instance 'dev'."
75 )
76 
77 static int do_fstype_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
78 				char * const argv[])
79 {
80 	return do_fs_type(cmdtp, flag, argc, argv);
81 }
82 
83 U_BOOT_CMD(
84 	fstype, 4, 1, do_fstype_wrapper,
85 	"Look up a filesystem type",
86 	"<interface> <dev>:<part>\n"
87 	"- print filesystem type\n"
88 	"fstype <interface> <dev>:<part> <varname>\n"
89 	"- set environment variable to filesystem type\n"
90 );
91