Commit 5527f832 authored by Patrice Bouchand's avatar Patrice Bouchand Committed by Simon Glass

Add lzmadec command

I needed to be able to uncompress lzma files. I did this command
based on unzip command and propose it if it could help.
Signed-off-by: default avatarPatrice Bouchand <pbfwdlist@gmail.com>
Changed to work with sandbox
Signed-off-by: default avatarSimon Glass <sjg@chromium.org>
parent 2c072c95
......@@ -159,6 +159,9 @@ obj-$(CONFIG_CMD_UBI) += cmd_ubi.o
obj-$(CONFIG_CMD_UBIFS) += cmd_ubifs.o
obj-$(CONFIG_CMD_UNIVERSE) += cmd_universe.o
obj-$(CONFIG_CMD_UNZIP) += cmd_unzip.o
ifdef CONFIG_LZMA
obj-$(CONFIG_CMD_LZMADEC) += cmd_lzmadec.o
endif
ifdef CONFIG_CMD_USB
obj-y += cmd_usb.o
obj-y += usb.o usb_hub.o
......
/*
* (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.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <asm/io.h>
#include <lzma/LzmaTools.h>
static int do_lzmadec(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
unsigned long src, dst;
unsigned long src_len = ~0UL, dst_len = ~0UL;
int ret;
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_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 = 0x%lX\n", src_len, src_len);
setenv_hex("filesize", src_len);
return 0;
}
U_BOOT_CMD(
lzmadec, 4, 1, do_lzmadec,
"lzma uncompress a memory region",
"srcaddr dstaddr [dstsize]"
);
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