]> Git Repo - J-u-boot.git/blame - cmd/cramfs.c
Merge patch series "Add fdt-fixups for AM62P variants"
[J-u-boot.git] / cmd / cramfs.c
CommitLineData
83d290c5 1// SPDX-License-Identifier: GPL-2.0+
88ffb266 2/*
88ffb266
HS
3 *
4 * based on: cmd_jffs2.c
5 *
0cf207ec 6 * Add support for a CRAMFS located in RAM
88ffb266
HS
7 */
8
88ffb266
HS
9/*
10 * CRAMFS support
11 */
88ffb266 12#include <command.h>
c7694dd4 13#include <env.h>
8e8ccfe1 14#include <image.h>
88ffb266 15#include <malloc.h>
511c66b1 16#include <mapmem.h>
88ffb266
HS
17#include <linux/list.h>
18#include <linux/ctype.h>
19#include <jffs2/jffs2.h>
20#include <jffs2/load_kernel.h>
21#include <cramfs/cramfs_fs.h>
511c66b1 22#include <asm/io.h>
88ffb266
HS
23
24/* enable/disable debugging messages */
25#define DEBUG_CRAMFS
26#undef DEBUG_CRAMFS
27
28#ifdef DEBUG_CRAMFS
29# define DEBUGF(fmt, args...) printf(fmt ,##args)
30#else
31# define DEBUGF(fmt, args...)
32#endif
33
e856bdcf 34#ifndef CONFIG_MTD_NOR_FLASH
62a813bc
HS
35# define OFFSET_ADJUSTMENT 0
36#else
17ead040 37#include <flash.h>
62a813bc
HS
38# define OFFSET_ADJUSTMENT (flash_info[id.num].start[0])
39#endif
40
59e12a4a 41#ifndef CONFIG_FS_JFFS2
88ffb266
HS
42#include <linux/stat.h>
43char *mkmodestr(unsigned long mode, char *str)
44{
45 static const char *l = "xwr";
46 int mask = 1, i;
47 char c;
48
49 switch (mode & S_IFMT) {
50 case S_IFDIR: str[0] = 'd'; break;
51 case S_IFBLK: str[0] = 'b'; break;
52 case S_IFCHR: str[0] = 'c'; break;
53 case S_IFIFO: str[0] = 'f'; break;
54 case S_IFLNK: str[0] = 'l'; break;
55 case S_IFSOCK: str[0] = 's'; break;
56 case S_IFREG: str[0] = '-'; break;
57 default: str[0] = '?';
58 }
59
60 for(i = 0; i < 9; i++) {
61 c = l[i%3];
62 str[9-i] = (mode & mask)?c:'-';
63 mask = mask<<1;
64 }
65
66 if(mode & S_ISUID) str[3] = (mode & S_IXUSR)?'s':'S';
67 if(mode & S_ISGID) str[6] = (mode & S_IXGRP)?'s':'S';
68 if(mode & S_ISVTX) str[9] = (mode & S_IXOTH)?'t':'T';
69 str[10] = '\0';
70 return str;
71}
59e12a4a 72#endif /* CONFIG_FS_JFFS2 */
88ffb266
HS
73
74extern int cramfs_check (struct part_info *info);
75extern int cramfs_load (char *loadoffset, struct part_info *info, char *filename);
76extern int cramfs_ls (struct part_info *info, char *filename);
77extern int cramfs_info (struct part_info *info);
78
79/***************************************************/
a187559e 80/* U-Boot commands */
88ffb266
HS
81/***************************************************/
82
83/**
84 * Routine implementing fsload u-boot command. This routine tries to load
85 * a requested file from cramfs filesystem at location 'cramfsaddr'.
86 * cramfsaddr is an evironment variable.
87 *
88 * @param cmdtp command internal data
89 * @param flag command flag
90 * @param argc number of arguments supplied to the command
91 * @param argv arguments list
185f812c 92 * Return: 0 on success, 1 otherwise
88ffb266 93 */
09140113
SG
94int do_cramfs_load(struct cmd_tbl *cmdtp, int flag, int argc,
95 char *const argv[])
88ffb266
HS
96{
97 char *filename;
98 int size;
bb872dd9 99 ulong offset = image_load_addr;
511c66b1 100 char *offset_virt;
88ffb266
HS
101
102 struct part_info part;
103 struct mtd_device dev;
104 struct mtdids id;
105
106 ulong addr;
7e5f460e 107 addr = hextoul(env_get("cramfsaddr"), NULL);
88ffb266
HS
108
109 /* hack! */
110 /* cramfs_* only supports NOR flash chips */
111 /* fake the device type */
112 id.type = MTD_DEV_TYPE_NOR;
113 id.num = 0;
114 dev.id = &id;
115 part.dev = &dev;
116 /* fake the address offset */
511c66b1 117 part.offset = (u64)(uintptr_t) map_sysmem(addr - OFFSET_ADJUSTMENT, 0);
88ffb266
HS
118
119 /* pre-set Boot file name */
00caae6d
SG
120 filename = env_get("bootfile");
121 if (!filename)
88ffb266 122 filename = "uImage";
88ffb266
HS
123
124 if (argc == 2) {
125 filename = argv[1];
126 }
127 if (argc == 3) {
128 offset = simple_strtoul(argv[1], NULL, 0);
bb872dd9 129 image_load_addr = offset;
88ffb266
HS
130 filename = argv[2];
131 }
132
511c66b1 133 offset_virt = map_sysmem(offset, 0);
88ffb266
HS
134 size = 0;
135 if (cramfs_check(&part))
511c66b1 136 size = cramfs_load (offset_virt, &part, filename);
88ffb266
HS
137
138 if (size > 0) {
88ffb266
HS
139 printf("### CRAMFS load complete: %d bytes loaded to 0x%lx\n",
140 size, offset);
018f5303 141 env_set_hex("filesize", size);
88ffb266
HS
142 } else {
143 printf("### CRAMFS LOAD ERROR<%x> for %s!\n", size, filename);
144 }
145
511c66b1
TH
146 unmap_sysmem(offset_virt);
147 unmap_sysmem((void *)(uintptr_t)part.offset);
148
88ffb266
HS
149 return !(size > 0);
150}
151
152/**
153 * Routine implementing u-boot ls command which lists content of a given
154 * directory at location 'cramfsaddr'.
155 * cramfsaddr is an evironment variable.
156 *
157 * @param cmdtp command internal data
158 * @param flag command flag
159 * @param argc number of arguments supplied to the command
160 * @param argv arguments list
185f812c 161 * Return: 0 on success, 1 otherwise
88ffb266 162 */
09140113 163int do_cramfs_ls(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
88ffb266
HS
164{
165 char *filename = "/";
166 int ret;
167 struct part_info part;
168 struct mtd_device dev;
169 struct mtdids id;
170
171 ulong addr;
7e5f460e 172 addr = hextoul(env_get("cramfsaddr"), NULL);
88ffb266
HS
173
174 /* hack! */
175 /* cramfs_* only supports NOR flash chips */
176 /* fake the device type */
177 id.type = MTD_DEV_TYPE_NOR;
178 id.num = 0;
179 dev.id = &id;
180 part.dev = &dev;
181 /* fake the address offset */
511c66b1 182 part.offset = (u64)(uintptr_t) map_sysmem(addr - OFFSET_ADJUSTMENT, 0);
88ffb266
HS
183
184 if (argc == 2)
185 filename = argv[1];
186
187 ret = 0;
188 if (cramfs_check(&part))
189 ret = cramfs_ls (&part, filename);
511c66b1 190 unmap_sysmem((void *)(uintptr_t)part.offset);
88ffb266
HS
191
192 return ret ? 0 : 1;
193}
194
195/* command line only */
196
197/***************************************************/
198U_BOOT_CMD(
199 cramfsload, 3, 0, do_cramfs_load,
cc9f607b 200 "load binary file from a filesystem image",
88ffb266
HS
201 "[ off ] [ filename ]\n"
202 " - load binary file from address 'cramfsaddr'\n"
203 " with offset 'off'\n"
204);
205U_BOOT_CMD(
206 cramfsls, 2, 1, do_cramfs_ls,
cc9f607b 207 "list files in a directory (default /)",
88ffb266
HS
208 "[ directory ]\n"
209 " - list files in a directory.\n"
210);
This page took 0.503099 seconds and 5 git commands to generate.