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add 'unzip' command to u-boot commandline

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[PATCH] add new 'unzip' command to u-boot commandline

common/cmd_mem.c: new command "unzip srcaddr dstaddr [dstsize]" to unzip from
memory to memory, and option CONFIG_CMD_UNZIP to enable it

Signed-off-by: Werner Almesberger <werner@openmoko.org>
Signed-off-by: Harald Welte <laforge@openmoko.org>
This commit is contained in:
Harald Welte 2008-07-06 15:56:38 +08:00 committed by Wolfgang Denk
parent 07efc9e321
commit fe2ce5500e
2 changed files with 37 additions and 0 deletions
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36
common/cmd_mem.c
View file

@ -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

1
include/config_cmd_all.h
View file

@ -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 */