pintos/src/devices/rtc.c File Reference

#include "devices/rtc.h"
#include <stdio.h>
#include "threads/io.h"

Go to the source code of this file.

Defines
#define	CMOS_REG_SET   0x70
#define	CMOS_REG_IO   0x71
#define	RTC_REG_SEC   0
#define	RTC_REG_MIN   2
#define	RTC_REG_HOUR   4
#define	RTC_REG_MDAY   7
#define	RTC_REG_MON   8
#define	RTC_REG_YEAR   9
#define	RTC_REG_A   0x0a
#define	RTC_REG_B   0x0b
#define	RTC_REG_C   0x0c
#define	RTC_REG_D   0x0d
#define	RTCSA_UIP   0x80
#define	RTCSB_SET   0x80
#define	RTCSB_DM   0x04
#define	RTCSB_24HR   0x02
Functions
static int	bcd_to_bin (uint8_t)
static uint8_t	cmos_read (uint8_t index)
time_t	rtc_get_time (void)

---

Define Documentation

#define CMOS_REG_IO   0x71

Definition at line 12 of file rtc.c.

Referenced by cmos_read().

#define CMOS_REG_SET   0x70

Definition at line 11 of file rtc.c.

Referenced by cmos_read().

#define RTC_REG_A   0x0a

Definition at line 25 of file rtc.c.

#define RTC_REG_B   0x0b

Definition at line 26 of file rtc.c.

#define RTC_REG_C   0x0c

Definition at line 27 of file rtc.c.

#define RTC_REG_D   0x0d

Definition at line 28 of file rtc.c.

#define RTC_REG_HOUR   4

Definition at line 19 of file rtc.c.

Referenced by rtc_get_time().

#define RTC_REG_MDAY   7

Definition at line 20 of file rtc.c.

Referenced by rtc_get_time().

#define RTC_REG_MIN   2

Definition at line 18 of file rtc.c.

Referenced by rtc_get_time().

#define RTC_REG_MON   8

Definition at line 21 of file rtc.c.

Referenced by rtc_get_time().

#define RTC_REG_SEC   0

Definition at line 17 of file rtc.c.

Referenced by rtc_get_time().

#define RTC_REG_YEAR   9

Definition at line 22 of file rtc.c.

Referenced by rtc_get_time().

#define RTCSA_UIP   0x80

Definition at line 31 of file rtc.c.

#define RTCSB_24HR   0x02

Definition at line 36 of file rtc.c.

#define RTCSB_DM   0x04

Definition at line 35 of file rtc.c.

#define RTCSB_SET   0x80

Definition at line 34 of file rtc.c.

---

Function Documentation

static int bcd_to_bin

(

uint8_t

x

)

[static]

Definition at line 101 of file rtc.c.

Referenced by rtc_get_time().

static uint8_t cmos_read

(

uint8_t

index

)

[static]

Definition at line 109 of file rtc.c.

References CMOS_REG_IO, CMOS_REG_SET, inb(), and outb().

Referenced by rtc_get_time().

time_t rtc_get_time

(

void

)

Definition at line 44 of file rtc.c.

References bcd_to_bin(), cmos_read(), RTC_REG_HOUR, RTC_REG_MDAY, RTC_REG_MIN, RTC_REG_MON, RTC_REG_SEC, and RTC_REG_YEAR.

Referenced by parse_options().