7e5f460ec4
It is a pain to have to specify the value 16 in each call. Add a new hextoul() function and update the code to use it. Add a proper comment to simple_strtoul() while we are here. Signed-off-by: Simon Glass <sjg@chromium.org>
47 lines
996 B
C
47 lines
996 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(struct cmd_tbl *cmdtp, int flag, int argc,
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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 = hextoul(argv[1], NULL);
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dst = hextoul(argv[2], NULL);
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dst_len = hextoul(argv[3], NULL);
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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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