diff options
Diffstat (limited to 'libgloss/moxie/qemu-time.c')
-rw-r--r-- | libgloss/moxie/qemu-time.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/libgloss/moxie/qemu-time.c b/libgloss/moxie/qemu-time.c deleted file mode 100644 index 4b0920994..000000000 --- a/libgloss/moxie/qemu-time.c +++ /dev/null @@ -1,116 +0,0 @@ -/* qemu-time.c -- stubs so clock can be linked in. - * - * Copyright (c) 2008 Anthony Green - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ -#include <errno.h> -#include <time.h> -#include <sys/time.h> -#include <sys/times.h> -#include "glue.h" - -/* This is the base address of the mc146818 RTC i/o port. */ -#define RTC_PORT 0x400 - -#define RTC_SECONDS 0x00 -#define RTC_SECONDS_ALARM 0x01 -#define RTC_MINUTES 0x02 -#define RTC_MINUTES_ALARM 0x03 -#define RTC_HOURS 0x04 -#define RTC_HOURS_ALARM 0x05 -#define RTC_DAY_OF_WEEK 0x06 -#define RTC_DATE_OF_MONTH 0x07 -#define RTC_MONTH 0x08 -#define RTC_YEAR 0x09 -#define RTC_CONFIG_A 0x0A -#define RTC_CONFIG_B 0x0B -#define RTC_CONFIG_C 0x0C -#define RTC_CONFIG_D 0x0D - -/* - * _times -- FIXME - */ -int -_DEFUN (_times, _times (buf), - struct tms *buf) -{ - errno = EINVAL; - return (-1); -} - -/* Read a value from the RTC port. */ -static unsigned char -rtc_read (unsigned char reg) -{ - *(volatile unsigned char *)(RTC_PORT) = reg; - return *(volatile unsigned char *)(RTC_PORT + 1); -} - -/* Write a value to the RTC port. */ -static void -rtc_write (unsigned char reg, unsigned char val) -{ - *(volatile unsigned char *)(RTC_PORT) = reg; - *(volatile unsigned char *)(RTC_PORT + 1) = val; -} - -/* Convert BCD to Decimal. */ -#define BCD2DEC(BYTE) ((((BYTE >> 4) & 0xF) * 10) + (BYTE & 0xF)) - -/* - * time -- return current time in seconds. - */ -time_t -_DEFUN (time, time (t), - time_t *t) -{ - struct tm tm; - time_t ret; - - tm.tm_sec = BCD2DEC(rtc_read(RTC_SECONDS)); - tm.tm_min = BCD2DEC(rtc_read(RTC_MINUTES)); - tm.tm_hour = BCD2DEC(rtc_read(RTC_HOURS)); - tm.tm_wday = BCD2DEC(rtc_read(RTC_DAY_OF_WEEK)) - 1; - tm.tm_mday = BCD2DEC(rtc_read(RTC_DATE_OF_MONTH)); - tm.tm_mon = BCD2DEC(rtc_read(RTC_MONTH)) - 1; - tm.tm_year = BCD2DEC(rtc_read(RTC_YEAR)) + 100; - - /* FIXME. Not really sure how to handle this. */ - tm.tm_isdst = 1; - - ret = mktime(&tm); - - if (t) - *t = ret; - - return ret; -} - -/* - * _gettimeofday -- implement in terms of time, which means we can't - * return the microseconds. - */ -int -_DEFUN (_gettimeofday, _gettimeofday (tv, tz), - struct timeval *tv _AND - void *tzvp) -{ - struct timezone *tz = tzvp; - struct tm tm; - if (tz) - tz->tz_minuteswest = tz->tz_dsttime = 0; - - tv->tv_usec = 0; - tv->tv_sec = time(0); - - return 0; -} |