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https://github.com/AsahiLinux/u-boot
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5527f832c0
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>
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/*
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* (C) Copyright 2013 Patrice Bouchand <pbfwdlist_gmail_com>
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* lzma uncompress command in Uboot
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*
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* made from existing cmd_unzip.c file of Uboot
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*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <command.h>
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#include <asm/io.h>
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#include <lzma/LzmaTools.h>
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static int do_lzmadec(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
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{
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unsigned long src, dst;
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unsigned long src_len = ~0UL, dst_len = ~0UL;
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int ret;
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switch (argc) {
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case 4:
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dst_len = simple_strtoul(argv[3], NULL, 16);
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/* fall through */
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case 3:
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src = simple_strtoul(argv[1], NULL, 16);
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dst = simple_strtoul(argv[2], NULL, 16);
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break;
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default:
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return CMD_RET_USAGE;
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}
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ret = lzmaBuffToBuffDecompress(map_sysmem(dst, dst_len), &src_len,
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map_sysmem(src, 0), dst_len);
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if (ret != SZ_OK)
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return 1;
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printf("Uncompressed size: %ld = 0x%lX\n", src_len, src_len);
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setenv_hex("filesize", src_len);
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return 0;
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}
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U_BOOT_CMD(
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lzmadec, 4, 1, do_lzmadec,
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"lzma uncompress a memory region",
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"srcaddr dstaddr [dstsize]"
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);
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