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Convert CONFIG_DISABLE_CONSOLE to Kconfig
[thirdparty/u-boot.git] / tools / gen_eth_addr.c
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83d290c5 1// SPDX-License-Identifier: GPL-2.0+
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2/*
3 * (C) Copyright 2001
4 * Murray Jensen <Murray.Jensen@cmst.csiro.au>
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5 */
6
7#include <stdio.h>
8#include <stdlib.h>
9#include <unistd.h>
10#include <time.h>
11
12int
13main(int argc, char *argv[])
14{
15 unsigned long ethaddr_low, ethaddr_high;
16
3e4dad50 17 srand(time(0) + (getpid() << 8));
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18
19 /*
20 * setting the 2nd LSB in the most significant byte of
21 * the address makes it a locally administered ethernet
22 * address
23 */
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24 ethaddr_high = (rand() & 0xfeff) | 0x0200;
25 ethaddr_low = rand();
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26
27 printf("%02lx:%02lx:%02lx:%02lx:%02lx:%02lx\n",
28 ethaddr_high >> 8, ethaddr_high & 0xff,
29 ethaddr_low >> 24, (ethaddr_low >> 16) & 0xff,
30 (ethaddr_low >> 8) & 0xff, ethaddr_low & 0xff);
31
32 return (0);
33}