diff options
Diffstat (limited to 'common/cmd_unzip.c')
-rw-r--r-- | common/cmd_unzip.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/common/cmd_unzip.c b/common/cmd_unzip.c new file mode 100644 index 0000000..6483b92 --- /dev/null +++ b/common/cmd_unzip.c @@ -0,0 +1,59 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <command.h> + +static int do_unzip(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + unsigned long src, dst; + unsigned long src_len = ~0UL, dst_len = ~0UL; + char buf[32]; + + 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: + return cmd_usage(cmdtp); + } + + if (gunzip((void *) dst, dst_len, (void *) src, &src_len) != 0) + return 1; + + printf("Uncompressed size: %ld = 0x%lX\n", src_len, src_len); + sprintf(buf, "%lX", src_len); + setenv("filesize", buf); + + return 0; +} + +U_BOOT_CMD( + unzip, 4, 1, do_unzip, + "unzip a memory region", + "srcaddr dstaddr [dstsize]" +); |