Djam/u-boot
1
0
Fork 0
mirror of https://github.com/u-boot/u-boot.git synced 2025-05-08 19:11:53 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

lib: add rand() function

Browse source 
It's a PRNG using the simple and fast xorshift method.

Signed-off-by: Michael Walle <michael@walle.cc>
Cc: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Michael Walle 2012-06-05 11:33:14 +00:00 • committed by Albert ARIBAUD
parent d131ad68c6
commit 9acf1ca50d
3 changed files with 57 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

8
include/common.h
View file

@ -760,6 +760,14 @@ char * strmhz(char *buf, unsigned long hz);
/* lib/crc32.c */
#include <u-boot/crc.h>
/* lib/rand.c */
#ifdef CONFIG_RANDOM_MACADDR
#define RAND_MAX -1U
void srand(unsigned int seed);
unsigned int rand(void);
unsigned int rand_r(unsigned int *seedp);
#endif
/* common/console.c */
int console_init_f(void); /* Before relocation; uses the serial stuff */
int console_init_r(void); /* After relocation; uses the console stuff */