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author | H. Nikolaus Schaller <hns@goldelico.com> | 2012-03-26 20:55:28 +0200 |
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committer | H. Nikolaus Schaller <hns@goldelico.com> | 2012-03-26 20:55:28 +0200 |
commit | 92988a21ad4c4c9504295ccb580c9f806134471b (patch) | |
tree | 5effc9f14170112450de05c67dafbe8d5034d595 /u-boot/tools/gen_eth_addr.c | |
parent | ca2b506783b676c95762c54ea24dcfdaae1947c9 (diff) | |
download | bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.zip bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.tar.gz bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.tar.bz2 |
added boot script files to repository
Diffstat (limited to 'u-boot/tools/gen_eth_addr.c')
-rw-r--r-- | u-boot/tools/gen_eth_addr.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/u-boot/tools/gen_eth_addr.c b/u-boot/tools/gen_eth_addr.c new file mode 100644 index 0000000..429b20d --- /dev/null +++ b/u-boot/tools/gen_eth_addr.c @@ -0,0 +1,50 @@ +/* + * (C) Copyright 2001 + * Murray Jensen <Murray.Jensen@cmst.csiro.au> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <time.h> + +int +main(int argc, char *argv[]) +{ + unsigned long ethaddr_low, ethaddr_high; + + srand(time(0) | getpid()); + + /* + * setting the 2nd LSB in the most significant byte of + * the address makes it a locally administered ethernet + * address + */ + ethaddr_high = (rand() & 0xfeff) | 0x0200; + ethaddr_low = rand(); + + printf("%02lx:%02lx:%02lx:%02lx:%02lx:%02lx\n", + ethaddr_high >> 8, ethaddr_high & 0xff, + ethaddr_low >> 24, (ethaddr_low >> 16) & 0xff, + (ethaddr_low >> 8) & 0xff, ethaddr_low & 0xff); + + return (0); +} |