35 lines
707 B
C
35 lines
707 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2001
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*/
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#include <common.h>
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#include <command.h>
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static int do_timer(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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static ulong start;
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if (argc != 2)
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return CMD_RET_USAGE;
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if (!strcmp(argv[1], "start"))
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start = get_timer(0);
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if (!strcmp(argv[1], "get")) {
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ulong msecs = get_timer(start) * 1000 / CONFIG_SYS_HZ;
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printf("%ld.%03d\n", msecs / 1000, (int)(msecs % 1000));
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}
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return 0;
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}
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U_BOOT_CMD(
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timer, 2, 1, do_timer,
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"access the system timer",
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"start - Reset the timer reference.\n"
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"timer get - Print the time since 'start'."
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);
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