From: Patrice Bouchand pbfwdlist@gmail.com

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: Patrice Bouchand pbfwdlist@gmail.com Signed-off-by: Simon Glass sjg@chromium.org ---

Changes in v2: - Reformat commit message/code a little (patch slightly mangled)

common/Makefile | 3 +++ common/cmd_lzmadec.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 54 insertions(+) create mode 100644 common/cmd_lzmadec.c

diff --git a/common/Makefile b/common/Makefile index a83246e..55a0785 100644 --- a/common/Makefile +++ b/common/Makefile @@ -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 diff --git a/common/cmd_lzmadec.c b/common/cmd_lzmadec.c new file mode 100644 index 0000000..2caf738 --- /dev/null +++ b/common/cmd_lzmadec.c @@ -0,0 +1,51 @@ +/* + * (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 <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((void *)dst, &src_len, (void *)src, + 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]" +);