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Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Heiko Schocher88ffb262010-01-07 08:55:54 +01002/*
Heiko Schocher88ffb262010-01-07 08:55:54 +01003 *
4 * based on: cmd_jffs2.c
5 *
6 * Add support for a CRAMFS located in RAM
7 */
8
9
10/*
11 * CRAMFS support
12 */
13#include <common.h>
14#include <command.h>
Simon Glassc7694dd2019-08-01 09:46:46 -060015#include <env.h>
Simon Glass8e8ccfe2019-12-28 10:45:03 -070016#include <image.h>
Heiko Schocher88ffb262010-01-07 08:55:54 +010017#include <malloc.h>
Tyler Hall511c66b2017-04-12 16:29:15 -040018#include <mapmem.h>
Heiko Schocher88ffb262010-01-07 08:55:54 +010019#include <linux/list.h>
20#include <linux/ctype.h>
21#include <jffs2/jffs2.h>
22#include <jffs2/load_kernel.h>
23#include <cramfs/cramfs_fs.h>
Tyler Hall511c66b2017-04-12 16:29:15 -040024#include <asm/io.h>
Heiko Schocher88ffb262010-01-07 08:55:54 +010025
26/* enable/disable debugging messages */
27#define DEBUG_CRAMFS
28#undef DEBUG_CRAMFS
29
30#ifdef DEBUG_CRAMFS
31# define DEBUGF(fmt, args...) printf(fmt ,##args)
32#else
33# define DEBUGF(fmt, args...)
34#endif
35
Heiko Schocheree8bc962011-05-03 02:15:01 +000036#include <flash.h>
Heiko Schocher88ffb262010-01-07 08:55:54 +010037
Masahiro Yamadae856bdc2017-02-11 22:43:54 +090038#ifndef CONFIG_MTD_NOR_FLASH
Heiko Schocher62a813b2011-05-03 02:15:15 +000039# define OFFSET_ADJUSTMENT 0
40#else
41# define OFFSET_ADJUSTMENT (flash_info[id.num].start[0])
42#endif
43
Simon Glass59e12a42017-05-17 03:25:38 -060044#ifndef CONFIG_FS_JFFS2
Heiko Schocher88ffb262010-01-07 08:55:54 +010045#include <linux/stat.h>
46char *mkmodestr(unsigned long mode, char *str)
47{
48 static const char *l = "xwr";
49 int mask = 1, i;
50 char c;
51
52 switch (mode & S_IFMT) {
53 case S_IFDIR: str[0] = 'd'; break;
54 case S_IFBLK: str[0] = 'b'; break;
55 case S_IFCHR: str[0] = 'c'; break;
56 case S_IFIFO: str[0] = 'f'; break;
57 case S_IFLNK: str[0] = 'l'; break;
58 case S_IFSOCK: str[0] = 's'; break;
59 case S_IFREG: str[0] = '-'; break;
60 default: str[0] = '?';
61 }
62
63 for(i = 0; i < 9; i++) {
64 c = l[i%3];
65 str[9-i] = (mode & mask)?c:'-';
66 mask = mask<<1;
67 }
68
69 if(mode & S_ISUID) str[3] = (mode & S_IXUSR)?'s':'S';
70 if(mode & S_ISGID) str[6] = (mode & S_IXGRP)?'s':'S';
71 if(mode & S_ISVTX) str[9] = (mode & S_IXOTH)?'t':'T';
72 str[10] = '\0';
73 return str;
74}
Simon Glass59e12a42017-05-17 03:25:38 -060075#endif /* CONFIG_FS_JFFS2 */
Heiko Schocher88ffb262010-01-07 08:55:54 +010076
77extern int cramfs_check (struct part_info *info);
78extern int cramfs_load (char *loadoffset, struct part_info *info, char *filename);
79extern int cramfs_ls (struct part_info *info, char *filename);
80extern int cramfs_info (struct part_info *info);
81
82/***************************************************/
Bin Menga1875592016-02-05 19:30:11 -080083/* U-Boot commands */
Heiko Schocher88ffb262010-01-07 08:55:54 +010084/***************************************************/
85
86/**
87 * Routine implementing fsload u-boot command. This routine tries to load
88 * a requested file from cramfs filesystem at location 'cramfsaddr'.
89 * cramfsaddr is an evironment variable.
90 *
91 * @param cmdtp command internal data
92 * @param flag command flag
93 * @param argc number of arguments supplied to the command
94 * @param argv arguments list
95 * @return 0 on success, 1 otherwise
96 */
Simon Glass09140112020-05-10 11:40:03 -060097int do_cramfs_load(struct cmd_tbl *cmdtp, int flag, int argc,
98 char *const argv[])
Heiko Schocher88ffb262010-01-07 08:55:54 +010099{
100 char *filename;
101 int size;
Simon Glassbb872dd2019-12-28 10:45:02 -0700102 ulong offset = image_load_addr;
Tyler Hall511c66b2017-04-12 16:29:15 -0400103 char *offset_virt;
Heiko Schocher88ffb262010-01-07 08:55:54 +0100104
105 struct part_info part;
106 struct mtd_device dev;
107 struct mtdids id;
108
109 ulong addr;
Simon Glass7e5f4602021-07-24 09:03:29 -0600110 addr = hextoul(env_get("cramfsaddr"), NULL);
Heiko Schocher88ffb262010-01-07 08:55:54 +0100111
112 /* hack! */
113 /* cramfs_* only supports NOR flash chips */
114 /* fake the device type */
115 id.type = MTD_DEV_TYPE_NOR;
116 id.num = 0;
117 dev.id = &id;
118 part.dev = &dev;
119 /* fake the address offset */
Tyler Hall511c66b2017-04-12 16:29:15 -0400120 part.offset = (u64)(uintptr_t) map_sysmem(addr - OFFSET_ADJUSTMENT, 0);
Heiko Schocher88ffb262010-01-07 08:55:54 +0100121
122 /* pre-set Boot file name */
Simon Glass00caae62017-08-03 12:22:12 -0600123 filename = env_get("bootfile");
124 if (!filename)
Heiko Schocher88ffb262010-01-07 08:55:54 +0100125 filename = "uImage";
Heiko Schocher88ffb262010-01-07 08:55:54 +0100126
127 if (argc == 2) {
128 filename = argv[1];
129 }
130 if (argc == 3) {
131 offset = simple_strtoul(argv[1], NULL, 0);
Simon Glassbb872dd2019-12-28 10:45:02 -0700132 image_load_addr = offset;
Heiko Schocher88ffb262010-01-07 08:55:54 +0100133 filename = argv[2];
134 }
135
Tyler Hall511c66b2017-04-12 16:29:15 -0400136 offset_virt = map_sysmem(offset, 0);
Heiko Schocher88ffb262010-01-07 08:55:54 +0100137 size = 0;
138 if (cramfs_check(&part))
Tyler Hall511c66b2017-04-12 16:29:15 -0400139 size = cramfs_load (offset_virt, &part, filename);
Heiko Schocher88ffb262010-01-07 08:55:54 +0100140
141 if (size > 0) {
Heiko Schocher88ffb262010-01-07 08:55:54 +0100142 printf("### CRAMFS load complete: %d bytes loaded to 0x%lx\n",
143 size, offset);
Simon Glass018f5302017-08-03 12:22:10 -0600144 env_set_hex("filesize", size);
Heiko Schocher88ffb262010-01-07 08:55:54 +0100145 } else {
146 printf("### CRAMFS LOAD ERROR<%x> for %s!\n", size, filename);
147 }
148
Tyler Hall511c66b2017-04-12 16:29:15 -0400149 unmap_sysmem(offset_virt);
150 unmap_sysmem((void *)(uintptr_t)part.offset);
151
Heiko Schocher88ffb262010-01-07 08:55:54 +0100152 return !(size > 0);
153}
154
155/**
156 * Routine implementing u-boot ls command which lists content of a given
157 * directory at location 'cramfsaddr'.
158 * cramfsaddr is an evironment variable.
159 *
160 * @param cmdtp command internal data
161 * @param flag command flag
162 * @param argc number of arguments supplied to the command
163 * @param argv arguments list
164 * @return 0 on success, 1 otherwise
165 */
Simon Glass09140112020-05-10 11:40:03 -0600166int do_cramfs_ls(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
Heiko Schocher88ffb262010-01-07 08:55:54 +0100167{
168 char *filename = "/";
169 int ret;
170 struct part_info part;
171 struct mtd_device dev;
172 struct mtdids id;
173
174 ulong addr;
Simon Glass7e5f4602021-07-24 09:03:29 -0600175 addr = hextoul(env_get("cramfsaddr"), NULL);
Heiko Schocher88ffb262010-01-07 08:55:54 +0100176
177 /* hack! */
178 /* cramfs_* only supports NOR flash chips */
179 /* fake the device type */
180 id.type = MTD_DEV_TYPE_NOR;
181 id.num = 0;
182 dev.id = &id;
183 part.dev = &dev;
184 /* fake the address offset */
Tyler Hall511c66b2017-04-12 16:29:15 -0400185 part.offset = (u64)(uintptr_t) map_sysmem(addr - OFFSET_ADJUSTMENT, 0);
Heiko Schocher88ffb262010-01-07 08:55:54 +0100186
187 if (argc == 2)
188 filename = argv[1];
189
190 ret = 0;
191 if (cramfs_check(&part))
192 ret = cramfs_ls (&part, filename);
Tyler Hall511c66b2017-04-12 16:29:15 -0400193 unmap_sysmem((void *)(uintptr_t)part.offset);
Heiko Schocher88ffb262010-01-07 08:55:54 +0100194
195 return ret ? 0 : 1;
196}
197
198/* command line only */
199
200/***************************************************/
201U_BOOT_CMD(
202 cramfsload, 3, 0, do_cramfs_load,
Frans Meulenbroekscc9f6072010-07-31 15:01:52 +0200203 "load binary file from a filesystem image",
Heiko Schocher88ffb262010-01-07 08:55:54 +0100204 "[ off ] [ filename ]\n"
205 " - load binary file from address 'cramfsaddr'\n"
206 " with offset 'off'\n"
207);
208U_BOOT_CMD(
209 cramfsls, 2, 1, do_cramfs_ls,
Frans Meulenbroekscc9f6072010-07-31 15:01:52 +0200210 "list files in a directory (default /)",
Heiko Schocher88ffb262010-01-07 08:55:54 +0100211 "[ directory ]\n"
212 " - list files in a directory.\n"
213);