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1/*
2 * (C) Copyright 2002
3 * Richard Jones, rjones@nexus-tech.net
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8/*
9 * Boot support
10 */
11#include <common.h>
12#include <command.h>
13#include <s_record.h>
14#include <net.h>
15#include <ata.h>
16#include <asm/io.h>
17#include <mapmem.h>
18#include <part.h>
19#include <fat.h>
20#include <fs.h>
21
22int do_fat_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
23{
24 return do_size(cmdtp, flag, argc, argv, FS_TYPE_FAT);
25}
26
27U_BOOT_CMD(
28 fatsize, 4, 0, do_fat_size,
29 "determine a file's size",
30 "<interface> <dev[:part]> <filename>\n"
31 " - Find file 'filename' from 'dev' on 'interface'\n"
32 " and determine its size."
33);
34
35int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
36{
37 return do_load(cmdtp, flag, argc, argv, FS_TYPE_FAT);
38}
39
40
41U_BOOT_CMD(
42 fatload, 7, 0, do_fat_fsload,
43 "load binary file from a dos filesystem",
44 "<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n"
45 " - Load binary file 'filename' from 'dev' on 'interface'\n"
46 " to address 'addr' from dos filesystem.\n"
47 " 'pos' gives the file position to start loading from.\n"
48 " If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.\n"
49 " 'bytes' gives the size to load. If 'bytes' is 0 or omitted,\n"
50 " the load stops on end of file.\n"
51 " If either 'pos' or 'bytes' are not aligned to\n"
52 " ARCH_DMA_MINALIGN then a misaligned buffer warning will\n"
53 " be printed and performance will suffer for the load."
54);
55
56static int do_fat_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
57{
58 return do_ls(cmdtp, flag, argc, argv, FS_TYPE_FAT);
59}
60
61U_BOOT_CMD(
62 fatls, 4, 1, do_fat_ls,
63 "list files in a directory (default /)",
64 "<interface> [<dev[:part]>] [directory]\n"
65 " - list files from 'dev' on 'interface' in a 'directory'"
66);
67
68static int do_fat_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc,
69 char * const argv[])
70{
71 int dev, part;
72 struct blk_desc *dev_desc;
73 disk_partition_t info;
74
75 if (argc < 2) {
76 printf("usage: fatinfo <interface> [<dev[:part]>]\n");
77 return 0;
78 }
79
80 part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
81 if (part < 0)
82 return 1;
83
84 dev = dev_desc->devnum;
85 if (fat_set_blk_dev(dev_desc, &info) != 0) {
86 printf("\n** Unable to use %s %d:%d for fatinfo **\n",
87 argv[1], dev, part);
88 return 1;
89 }
90 return file_fat_detectfs();
91}
92
93U_BOOT_CMD(
94 fatinfo, 3, 1, do_fat_fsinfo,
95 "print information about filesystem",
96 "<interface> [<dev[:part]>]\n"
97 " - print information about filesystem from 'dev' on 'interface'"
98);
99
100#ifdef CONFIG_FAT_WRITE
101static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag,
102 int argc, char * const argv[])
103{
104 loff_t size;
105 int ret;
106 unsigned long addr;
107 unsigned long count;
108 struct blk_desc *dev_desc = NULL;
109 disk_partition_t info;
110 int dev = 0;
111 int part = 1;
112 void *buf;
113
114 if (argc < 5)
115 return cmd_usage(cmdtp);
116
117 part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
118 if (part < 0)
119 return 1;
120
121 dev = dev_desc->devnum;
122
123 if (fat_set_blk_dev(dev_desc, &info) != 0) {
124 printf("\n** Unable to use %s %d:%d for fatwrite **\n",
125 argv[1], dev, part);
126 return 1;
127 }
128 addr = simple_strtoul(argv[3], NULL, 16);
129 count = (argc <= 5) ? 0 : simple_strtoul(argv[5], NULL, 16);
130
131 buf = map_sysmem(addr, count);
132 ret = file_fat_write(argv[4], buf, 0, count, &size);
133 unmap_sysmem(buf);
134 if (ret < 0) {
135 printf("\n** Unable to write \"%s\" from %s %d:%d **\n",
136 argv[4], argv[1], dev, part);
137 return 1;
138 }
139
140 printf("%llu bytes written\n", size);
141
142 return 0;
143}
144
145U_BOOT_CMD(
146 fatwrite, 6, 0, do_fat_fswrite,
147 "write file into a dos filesystem",
148 "<interface> <dev[:part]> <addr> <filename> [<bytes>]\n"
149 " - write file 'filename' from the address 'addr' in RAM\n"
150 " to 'dev' on 'interface'"
151);
152#endif