From 5527f832c0c607d61abc58ab006a91aebb4b64f3 Mon Sep 17 00:00:00 2001
From: Patrice Bouchand <pbfwdlist@gmail.com>
Date: Sat, 15 Feb 2014 22:19:57 -0700
Subject: [PATCH] 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: Patrice Bouchand <pbfwdlist@gmail.com>
Changed to work with sandbox
Signed-off-by: Simon Glass <sjg@chromium.org>
---
common/Makefile | 3 +++
common/cmd_lzmadec.c | 52 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 55 insertions(+)
create mode 100644 common/cmd_lzmadec.c
diff --git a/common/Makefile b/common/Makefile
index e2ff0cb57d..cecd81a9a0 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 0000000000..7b0b3fdd90
--- /dev/null
+++ b/common/cmd_lzmadec.c
@@ -0,0 +1,52 @@
+/*
+ * (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]"
+);
--
2.39.5