summaryrefslogtreecommitdiff
path: root/cmd/fat.c
blob: ad0e5ed7d6006588c57c7ab93abf6b64a870a681 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2002
 * Richard Jones, rjones@nexus-tech.net
 */

/*
 * Boot support
 */
#include <command.h>
#include <mapmem.h>
#include <fat.h>
#include <fs.h>
#include <part.h>
#include <asm/cache.h>

int do_fat_size(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	return do_size(cmdtp, flag, argc, argv, FS_TYPE_FAT);
}

U_BOOT_CMD(
	fatsize,	4,	0,	do_fat_size,
	"determine a file's size",
	"<interface> <dev[:part]> <filename>\n"
	"    - Find file 'filename' from 'dev' on 'interface'\n"
	"      and determine its size."
);

int do_fat_fsload(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	return do_load(cmdtp, flag, argc, argv, FS_TYPE_FAT);
}


U_BOOT_CMD(
	fatload,	7,	0,	do_fat_fsload,
	"load binary file from a dos filesystem",
	"<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n"
	"    - Load binary file 'filename' from 'dev' on 'interface'\n"
	"      to address 'addr' from dos 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."
);

static int do_fat_ls(struct cmd_tbl *cmdtp, int flag, int argc,
		     char *const argv[])
{
	return do_ls(cmdtp, flag, argc, argv, FS_TYPE_FAT);
}

U_BOOT_CMD(
	fatls,	4,	1,	do_fat_ls,
	"list files in a directory (default /)",
	"<interface> [<dev[:part]>] [directory]\n"
	"    - list files from 'dev' on 'interface' in a 'directory'"
);

static int do_fat_fsinfo(struct cmd_tbl *cmdtp, int flag, int argc,
			 char *const argv[])
{
	int dev, part;
	struct blk_desc *dev_desc;
	struct disk_partition info;

	if (argc < 2) {
		printf("usage: fatinfo <interface> [<dev[:part]>]\n");
		return 0;
	}

	part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
	if (part < 0)
		return 1;

	dev = dev_desc->devnum;
	if (fat_set_blk_dev(dev_desc, &info) != 0) {
		printf("\n** Unable to use %s %d:%d for fatinfo **\n",
			argv[1], dev, part);
		return 1;
	}
	return file_fat_detectfs();
}

U_BOOT_CMD(
	fatinfo,	3,	1,	do_fat_fsinfo,
	"print information about filesystem",
	"<interface> [<dev[:part]>]\n"
	"    - print information about filesystem from 'dev' on 'interface'"
);

#ifdef CONFIG_FAT_WRITE
static int do_fat_fswrite(struct cmd_tbl *cmdtp, int flag, int argc,
			  char *const argv[])
{
	return do_save(cmdtp, flag, argc, argv, FS_TYPE_FAT);
}

U_BOOT_CMD(
	fatwrite,	7,	0,	do_fat_fswrite,
	"write file into a dos filesystem",
	"<interface> <dev[:part]> <addr> <filename> [<bytes> [<offset>]]\n"
	"    - write file 'filename' from the address 'addr' in RAM\n"
	"      to 'dev' on 'interface'"
);

static int do_fat_rm(struct cmd_tbl *cmdtp, int flag, int argc,
		     char *const argv[])
{
	return do_rm(cmdtp, flag, argc, argv, FS_TYPE_FAT);
}

U_BOOT_CMD(
	fatrm,	4,	1,	do_fat_rm,
	"delete a file",
	"<interface> [<dev[:part]>] <filename>\n"
	"    - delete a file from 'dev' on 'interface'"
);

static int do_fat_mkdir(struct cmd_tbl *cmdtp, int flag, int argc,
			char *const argv[])
{
	return do_mkdir(cmdtp, flag, argc, argv, FS_TYPE_FAT);
}

U_BOOT_CMD(
	fatmkdir,	4,	1,	do_fat_mkdir,
	"create a directory",
	"<interface> [<dev[:part]>] <directory>\n"
	"    - create a directory in 'dev' on 'interface'"
);
#endif