1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
22e192b24SSimon Glass /*
32e192b24SSimon Glass *
42e192b24SSimon Glass * based on: cmd_jffs2.c
52e192b24SSimon Glass *
62e192b24SSimon Glass * Add support for a CRAMFS located in RAM
72e192b24SSimon Glass */
82e192b24SSimon Glass
92e192b24SSimon Glass
102e192b24SSimon Glass /*
112e192b24SSimon Glass * CRAMFS support
122e192b24SSimon Glass */
132e192b24SSimon Glass #include <common.h>
142e192b24SSimon Glass #include <command.h>
152e192b24SSimon Glass #include <malloc.h>
16511c66b1STyler Hall #include <mapmem.h>
172e192b24SSimon Glass #include <linux/list.h>
182e192b24SSimon Glass #include <linux/ctype.h>
192e192b24SSimon Glass #include <jffs2/jffs2.h>
202e192b24SSimon Glass #include <jffs2/load_kernel.h>
212e192b24SSimon Glass #include <cramfs/cramfs_fs.h>
22511c66b1STyler Hall #include <asm/io.h>
232e192b24SSimon Glass
242e192b24SSimon Glass /* enable/disable debugging messages */
252e192b24SSimon Glass #define DEBUG_CRAMFS
262e192b24SSimon Glass #undef DEBUG_CRAMFS
272e192b24SSimon Glass
282e192b24SSimon Glass #ifdef DEBUG_CRAMFS
292e192b24SSimon Glass # define DEBUGF(fmt, args...) printf(fmt ,##args)
302e192b24SSimon Glass #else
312e192b24SSimon Glass # define DEBUGF(fmt, args...)
322e192b24SSimon Glass #endif
332e192b24SSimon Glass
342e192b24SSimon Glass #include <flash.h>
352e192b24SSimon Glass
36e856bdcfSMasahiro Yamada #ifndef CONFIG_MTD_NOR_FLASH
372e192b24SSimon Glass # define OFFSET_ADJUSTMENT 0
382e192b24SSimon Glass #else
392e192b24SSimon Glass # define OFFSET_ADJUSTMENT (flash_info[id.num].start[0])
402e192b24SSimon Glass #endif
412e192b24SSimon Glass
4259e12a4aSSimon Glass #ifndef CONFIG_FS_JFFS2
432e192b24SSimon Glass #include <linux/stat.h>
mkmodestr(unsigned long mode,char * str)442e192b24SSimon Glass char *mkmodestr(unsigned long mode, char *str)
452e192b24SSimon Glass {
462e192b24SSimon Glass static const char *l = "xwr";
472e192b24SSimon Glass int mask = 1, i;
482e192b24SSimon Glass char c;
492e192b24SSimon Glass
502e192b24SSimon Glass switch (mode & S_IFMT) {
512e192b24SSimon Glass case S_IFDIR: str[0] = 'd'; break;
522e192b24SSimon Glass case S_IFBLK: str[0] = 'b'; break;
532e192b24SSimon Glass case S_IFCHR: str[0] = 'c'; break;
542e192b24SSimon Glass case S_IFIFO: str[0] = 'f'; break;
552e192b24SSimon Glass case S_IFLNK: str[0] = 'l'; break;
562e192b24SSimon Glass case S_IFSOCK: str[0] = 's'; break;
572e192b24SSimon Glass case S_IFREG: str[0] = '-'; break;
582e192b24SSimon Glass default: str[0] = '?';
592e192b24SSimon Glass }
602e192b24SSimon Glass
612e192b24SSimon Glass for(i = 0; i < 9; i++) {
622e192b24SSimon Glass c = l[i%3];
632e192b24SSimon Glass str[9-i] = (mode & mask)?c:'-';
642e192b24SSimon Glass mask = mask<<1;
652e192b24SSimon Glass }
662e192b24SSimon Glass
672e192b24SSimon Glass if(mode & S_ISUID) str[3] = (mode & S_IXUSR)?'s':'S';
682e192b24SSimon Glass if(mode & S_ISGID) str[6] = (mode & S_IXGRP)?'s':'S';
692e192b24SSimon Glass if(mode & S_ISVTX) str[9] = (mode & S_IXOTH)?'t':'T';
702e192b24SSimon Glass str[10] = '\0';
712e192b24SSimon Glass return str;
722e192b24SSimon Glass }
7359e12a4aSSimon Glass #endif /* CONFIG_FS_JFFS2 */
742e192b24SSimon Glass
752e192b24SSimon Glass extern int cramfs_check (struct part_info *info);
762e192b24SSimon Glass extern int cramfs_load (char *loadoffset, struct part_info *info, char *filename);
772e192b24SSimon Glass extern int cramfs_ls (struct part_info *info, char *filename);
782e192b24SSimon Glass extern int cramfs_info (struct part_info *info);
792e192b24SSimon Glass
802e192b24SSimon Glass /***************************************************/
81a187559eSBin Meng /* U-Boot commands */
822e192b24SSimon Glass /***************************************************/
832e192b24SSimon Glass
842e192b24SSimon Glass /**
852e192b24SSimon Glass * Routine implementing fsload u-boot command. This routine tries to load
862e192b24SSimon Glass * a requested file from cramfs filesystem at location 'cramfsaddr'.
872e192b24SSimon Glass * cramfsaddr is an evironment variable.
882e192b24SSimon Glass *
892e192b24SSimon Glass * @param cmdtp command internal data
902e192b24SSimon Glass * @param flag command flag
912e192b24SSimon Glass * @param argc number of arguments supplied to the command
922e192b24SSimon Glass * @param argv arguments list
932e192b24SSimon Glass * @return 0 on success, 1 otherwise
942e192b24SSimon Glass */
do_cramfs_load(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])952e192b24SSimon Glass int do_cramfs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
962e192b24SSimon Glass {
972e192b24SSimon Glass char *filename;
982e192b24SSimon Glass int size;
992e192b24SSimon Glass ulong offset = load_addr;
100511c66b1STyler Hall char *offset_virt;
1012e192b24SSimon Glass
1022e192b24SSimon Glass struct part_info part;
1032e192b24SSimon Glass struct mtd_device dev;
1042e192b24SSimon Glass struct mtdids id;
1052e192b24SSimon Glass
1062e192b24SSimon Glass ulong addr;
10700caae6dSSimon Glass addr = simple_strtoul(env_get("cramfsaddr"), NULL, 16);
1082e192b24SSimon Glass
1092e192b24SSimon Glass /* hack! */
1102e192b24SSimon Glass /* cramfs_* only supports NOR flash chips */
1112e192b24SSimon Glass /* fake the device type */
1122e192b24SSimon Glass id.type = MTD_DEV_TYPE_NOR;
1132e192b24SSimon Glass id.num = 0;
1142e192b24SSimon Glass dev.id = &id;
1152e192b24SSimon Glass part.dev = &dev;
1162e192b24SSimon Glass /* fake the address offset */
117511c66b1STyler Hall part.offset = (u64)(uintptr_t) map_sysmem(addr - OFFSET_ADJUSTMENT, 0);
1182e192b24SSimon Glass
1192e192b24SSimon Glass /* pre-set Boot file name */
12000caae6dSSimon Glass filename = env_get("bootfile");
12100caae6dSSimon Glass if (!filename)
1222e192b24SSimon Glass filename = "uImage";
1232e192b24SSimon Glass
1242e192b24SSimon Glass if (argc == 2) {
1252e192b24SSimon Glass filename = argv[1];
1262e192b24SSimon Glass }
1272e192b24SSimon Glass if (argc == 3) {
1282e192b24SSimon Glass offset = simple_strtoul(argv[1], NULL, 0);
1292e192b24SSimon Glass load_addr = offset;
1302e192b24SSimon Glass filename = argv[2];
1312e192b24SSimon Glass }
1322e192b24SSimon Glass
133511c66b1STyler Hall offset_virt = map_sysmem(offset, 0);
1342e192b24SSimon Glass size = 0;
1352e192b24SSimon Glass if (cramfs_check(&part))
136511c66b1STyler Hall size = cramfs_load (offset_virt, &part, filename);
1372e192b24SSimon Glass
1382e192b24SSimon Glass if (size > 0) {
1392e192b24SSimon Glass printf("### CRAMFS load complete: %d bytes loaded to 0x%lx\n",
1402e192b24SSimon Glass size, offset);
141018f5303SSimon Glass env_set_hex("filesize", size);
1422e192b24SSimon Glass } else {
1432e192b24SSimon Glass printf("### CRAMFS LOAD ERROR<%x> for %s!\n", size, filename);
1442e192b24SSimon Glass }
1452e192b24SSimon Glass
146511c66b1STyler Hall unmap_sysmem(offset_virt);
147511c66b1STyler Hall unmap_sysmem((void *)(uintptr_t)part.offset);
148511c66b1STyler Hall
1492e192b24SSimon Glass return !(size > 0);
1502e192b24SSimon Glass }
1512e192b24SSimon Glass
1522e192b24SSimon Glass /**
1532e192b24SSimon Glass * Routine implementing u-boot ls command which lists content of a given
1542e192b24SSimon Glass * directory at location 'cramfsaddr'.
1552e192b24SSimon Glass * cramfsaddr is an evironment variable.
1562e192b24SSimon Glass *
1572e192b24SSimon Glass * @param cmdtp command internal data
1582e192b24SSimon Glass * @param flag command flag
1592e192b24SSimon Glass * @param argc number of arguments supplied to the command
1602e192b24SSimon Glass * @param argv arguments list
1612e192b24SSimon Glass * @return 0 on success, 1 otherwise
1622e192b24SSimon Glass */
do_cramfs_ls(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])1632e192b24SSimon Glass int do_cramfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1642e192b24SSimon Glass {
1652e192b24SSimon Glass char *filename = "/";
1662e192b24SSimon Glass int ret;
1672e192b24SSimon Glass struct part_info part;
1682e192b24SSimon Glass struct mtd_device dev;
1692e192b24SSimon Glass struct mtdids id;
1702e192b24SSimon Glass
1712e192b24SSimon Glass ulong addr;
17200caae6dSSimon Glass addr = simple_strtoul(env_get("cramfsaddr"), NULL, 16);
1732e192b24SSimon Glass
1742e192b24SSimon Glass /* hack! */
1752e192b24SSimon Glass /* cramfs_* only supports NOR flash chips */
1762e192b24SSimon Glass /* fake the device type */
1772e192b24SSimon Glass id.type = MTD_DEV_TYPE_NOR;
1782e192b24SSimon Glass id.num = 0;
1792e192b24SSimon Glass dev.id = &id;
1802e192b24SSimon Glass part.dev = &dev;
1812e192b24SSimon Glass /* fake the address offset */
182511c66b1STyler Hall part.offset = (u64)(uintptr_t) map_sysmem(addr - OFFSET_ADJUSTMENT, 0);
1832e192b24SSimon Glass
1842e192b24SSimon Glass if (argc == 2)
1852e192b24SSimon Glass filename = argv[1];
1862e192b24SSimon Glass
1872e192b24SSimon Glass ret = 0;
1882e192b24SSimon Glass if (cramfs_check(&part))
1892e192b24SSimon Glass ret = cramfs_ls (&part, filename);
190511c66b1STyler Hall unmap_sysmem((void *)(uintptr_t)part.offset);
1912e192b24SSimon Glass
1922e192b24SSimon Glass return ret ? 0 : 1;
1932e192b24SSimon Glass }
1942e192b24SSimon Glass
1952e192b24SSimon Glass /* command line only */
1962e192b24SSimon Glass
1972e192b24SSimon Glass /***************************************************/
1982e192b24SSimon Glass U_BOOT_CMD(
1992e192b24SSimon Glass cramfsload, 3, 0, do_cramfs_load,
2002e192b24SSimon Glass "load binary file from a filesystem image",
2012e192b24SSimon Glass "[ off ] [ filename ]\n"
2022e192b24SSimon Glass " - load binary file from address 'cramfsaddr'\n"
2032e192b24SSimon Glass " with offset 'off'\n"
2042e192b24SSimon Glass );
2052e192b24SSimon Glass U_BOOT_CMD(
2062e192b24SSimon Glass cramfsls, 2, 1, do_cramfs_ls,
2072e192b24SSimon Glass "list files in a directory (default /)",
2082e192b24SSimon Glass "[ directory ]\n"
2092e192b24SSimon Glass " - list files in a directory.\n"
2102e192b24SSimon Glass );
211