u-boot/cmd/lzmadec.c
Simon Glass 7e5f460ec4 global: Convert simple_strtoul() with hex to hextoul()
It is a pain to have to specify the value 16 in each call. Add a new
hextoul() function and update the code to use it.

Add a proper comment to simple_strtoul() while we are here.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-08-02 13:32:14 -04:00

55 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2013 Patrice Bouchand <pbfwdlist_gmail_com>
* lzma uncompress command in Uboot
*
* made from existing cmd_unzip.c file of Uboot
*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*/
#include <common.h>
#include <command.h>
#include <env.h>
#include <mapmem.h>
#include <asm/io.h>
#include <lzma/LzmaTools.h>
static int do_lzmadec(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
unsigned long src, dst;
SizeT src_len = ~0UL, dst_len = ~0UL;
int ret;
switch (argc) {
case 4:
dst_len = hextoul(argv[3], NULL);
/* fall through */
case 3:
src = hextoul(argv[1], NULL);
dst = hextoul(argv[2], NULL);
break;
default:
return CMD_RET_USAGE;
}
ret = lzmaBuffToBuffDecompress(map_sysmem(dst, dst_len), &src_len,
map_sysmem(src, 0), dst_len);
if (ret != SZ_OK)
return 1;
printf("Uncompressed size: %ld = %#lX\n", (ulong)src_len,
(ulong)src_len);
env_set_hex("filesize", src_len);
return 0;
}
U_BOOT_CMD(
lzmadec, 4, 1, do_lzmadec,
"lzma uncompress a memory region",
"srcaddr dstaddr [dstsize]"
);