46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
#include <_ansi.h>
|
|
#include <reent.h>
|
|
#include <errno.h>
|
|
#include <time.h>
|
|
#include <sys/types.h>
|
|
#include <sys/time.h>
|
|
|
|
#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
|
|
|
|
int
|
|
_DEFUN (gettimeofday, (ptimeval, ptimezone),
|
|
struct timeval *ptimeval _AND
|
|
void *ptimezone)
|
|
{
|
|
unsigned int xtmp;
|
|
struct tm tmblk;
|
|
|
|
if( ptimeval )
|
|
{
|
|
ptimeval->tv_usec = 0;
|
|
|
|
__asm__ __volatile__("int $0x40":"=a"(xtmp):"0"(3));
|
|
tmblk.tm_sec = (xtmp>>16)&0xff;
|
|
tmblk.tm_min = (xtmp>>8)&0xff;
|
|
tmblk.tm_hour = xtmp&0xff;
|
|
BCD_TO_BIN(tmblk.tm_sec);
|
|
BCD_TO_BIN(tmblk.tm_min);
|
|
BCD_TO_BIN(tmblk.tm_hour);
|
|
__asm__ __volatile__("int $0x40":"=a"(xtmp):"0"(29));
|
|
tmblk.tm_mday = (xtmp>>16)&0xff;
|
|
tmblk.tm_mon = ((xtmp>>8)&0xff)-1;
|
|
tmblk.tm_year = ((xtmp&0xff)+2000)-1900;
|
|
tmblk.tm_wday = tmblk.tm_yday = 0;
|
|
tmblk.tm_isdst = -1;
|
|
ptimeval->tv_sec = mktime(&tmblk);
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
errno = EINVAL;
|
|
return -1;
|
|
};
|
|
|
|
}
|
|
|