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This command is a new command called "unlz4" that decompresses from memory into memory. Used with the CONFIG_CMD_UNLZ4 optionenabled. Signed-off-by: Yusuke Ashiduka <ashiduka@fujitsu.com> [trini: Use %zd / %zX not %ld / %lX in printf] Signed-off-by: Tom Rini <trini@konsulko.com>
46 lines
1019 B
C
46 lines
1019 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2020
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* FUJITSU COMPUTERTECHNOLOGIES LIMITED. All rights reserved.
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*/
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#include <common.h>
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#include <command.h>
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#include <env.h>
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#include <lz4.h>
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static int do_unlz4(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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size_t 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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src = simple_strtoul(argv[1], NULL, 16);
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dst = simple_strtoul(argv[2], NULL, 16);
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dst_len = simple_strtoul(argv[3], 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 = ulz4fn((void *)src, src_len, (void *)dst, &dst_len);
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if (ret) {
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printf("Uncompressed err :%d\n", ret);
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return 1;
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}
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printf("Uncompressed size: %zd = 0x%zX\n", dst_len, dst_len);
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env_set_hex("filesize", dst_len);
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return 0;
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}
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U_BOOT_CMD(unlz4, 4, 1, do_unlz4,
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"lz4 uncompress a memory region",
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"srcaddr dstaddr dstsize\n"
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"NOTE: Specify the destination size that is sufficiently larger\n"
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" than the source size.\n"
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);
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