diff options
| -rw-r--r-- | common/cmd_mem.c | 36 | ||||
| -rw-r--r-- | include/config_cmd_all.h | 1 |
2 files changed, 37 insertions, 0 deletions
diff --git a/common/cmd_mem.c b/common/cmd_mem.c index 2606986db..a78355c93 100644 --- a/common/cmd_mem.c +++ b/common/cmd_mem.c @@ -1198,6 +1198,34 @@ int do_mem_crc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) } #endif /* CONFIG_CRC32_VERIFY */ + +#ifdef CONFIG_CMD_UNZIP +int gunzip (void *, int, unsigned char *, unsigned long *); + +int do_unzip ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + unsigned long src, dst; + unsigned long src_len = ~0UL, dst_len = ~0UL; + int err; + + switch (argc) { + case 4: + dst_len = simple_strtoul(argv[3], NULL, 16); + /* fall through */ + case 3: + src = simple_strtoul(argv[1], NULL, 16); + dst = simple_strtoul(argv[2], NULL, 16); + break; + default: + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + } + + return !!gunzip((void *) dst, dst_len, (void *) src, &src_len); +} +#endif /* CONFIG_CMD_UNZIP */ + + /**************************************************/ #if defined(CONFIG_CMD_MEMORY) U_BOOT_CMD( @@ -1301,5 +1329,13 @@ U_BOOT_CMD( ); #endif /* CONFIG_MX_CYCLIC */ +#ifdef CONFIG_CMD_UNZIP +U_BOOT_CMD( + unzip, 4, 1, do_unzip, + "unzip - unzip a memory region\n", + "srcaddr dstaddr [dstsize]\n" +); +#endif /* CONFIG_CMD_UNZIP */ + #endif #endif diff --git a/include/config_cmd_all.h b/include/config_cmd_all.h index c2bb094e2..2cb2f6782 100644 --- a/include/config_cmd_all.h +++ b/include/config_cmd_all.h @@ -77,6 +77,7 @@ #define CONFIG_CMD_SPI /* SPI utility */ #define CONFIG_CMD_TERMINAL /* built-in Serial Terminal */ #define CONFIG_CMD_UNIVERSE /* Tundra Universe Support */ +#define CONFIG_CMD_UNZIP /* unzip from memory to memory */ #define CONFIG_CMD_USB /* USB Support */ #define CONFIG_CMD_VFD /* VFD support (TRAB) */ #define CONFIG_CMD_XIMG /* Load part of Multi Image */ |