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https://github.com/AsahiLinux/u-boot
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1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
34 lines
740 B
C
34 lines
740 B
C
/*
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* (C) Copyright 2001
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* Murray Jensen <Murray.Jensen@cmst.csiro.au>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <time.h>
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int
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main(int argc, char *argv[])
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{
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unsigned long ethaddr_low, ethaddr_high;
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srand(time(0) | getpid());
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/*
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* setting the 2nd LSB in the most significant byte of
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* the address makes it a locally administered ethernet
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* address
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*/
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ethaddr_high = (rand() & 0xfeff) | 0x0200;
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ethaddr_low = rand();
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printf("%02lx:%02lx:%02lx:%02lx:%02lx:%02lx\n",
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ethaddr_high >> 8, ethaddr_high & 0xff,
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ethaddr_low >> 24, (ethaddr_low >> 16) & 0xff,
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(ethaddr_low >> 8) & 0xff, ethaddr_low & 0xff);
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return (0);
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}
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