1 files changed, 0 insertions, 138 deletions
diff --git a/kernel/src/drivers/cmos.c b/kernel/src/drivers/cmos.c
deleted file mode 100644
index 5ac12c3..0000000
--- a/kernel/src/drivers/cmos.c
+++ /dev/null
@@ -1,138 +0,0 @@
-#include "print.h"
-#include <stdint.h>
-#include <sys.h>
-#include <time.h>
-
-#define CMOS_WRITE_PORT 0x70
-#define CMOS_READ_PORT  0x71
-
-#define CMOS_REG_SEC    0x00
-#define CMOS_REG_MIN    0x02
-#define CMOS_REG_HOUR   0x04
-#define CMOS_REG_WDAY   0x06
-#define CMOS_REG_MDAY   0x07
-#define CMOS_REG_MON    0x08
-#define CMOS_REG_YEAR   0x09
-#define CMOS_REG_CEN    0x32
-
-static struct Time time;
-static struct Time localtime;
-static int cur_offset = 0;
-
-static uint8_t cmos_read(uint8_t reg) {
-    uint8_t hex, ret;
-    
-    outb(CMOS_WRITE_PORT, reg);
-    hex = inb(CMOS_READ_PORT);
-
-    ret = hex & 0x0F;
-    ret += (hex & 0xF0) / 16 * 10;
-
-    return ret;
-}
-
-static int mday_offset[12] = {
-    0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
-};
-
-static int month_days[12] = {
-    31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
-};
-
-static void update_localtime(void) {
-
-    int change, max;
-
-    // set localtime
-    localtime = time;
-
-    // do we acutally need to do anything
-    if (cur_offset == 0) return;
-    localtime.hour += cur_offset;
-    
-    // check if day rolled over
-    change = localtime.hour < 0 ? -1 : localtime.hour >= 24 ? 1 : 0;
-    if (!change) return;
-
-    // roll over day
-    localtime.hour = (localtime.hour + 24) % 24;
-    localtime.wday = (localtime.wday + change + 7) % 7;
-    localtime.mday += change;
-    localtime.yday += change;
-    
-    // check if month rolled over
-    max = month_days[localtime.mon];
-    if (localtime.leap && localtime.mon == 1) max++;
-    change = localtime.mday < 0 ? -1 : localtime.mday >= max ? 1 : 0;
-    if (!change) return;
-
-    // roll over month
-    localtime.mon = (localtime.mon + change + 12) % 12;
-    
-    // check if year rolled over
-    max = localtime.leap ? 366 : 365;
-    change = localtime.yday < 0 ? -1 : localtime.yday >= max ? 1 : 0;
-    if (!change) return;
-
-    // roll over year
-    localtime.yn += change;
-
-    // check if cen rolled over
-    change = localtime.yn < 0 ? -1 : localtime.yn >= 100 ? 1 : 0;
-    if (!change) goto year;
-
-    // roll over cen
-    localtime.cen += change;
-
-
-year:
-
-    localtime.year = localtime.yn + localtime.cen * 100;
-    localtime.leap = localtime.year % 4 == 0 && localtime.year % 100 != 0;
-
-    if (localtime.leap && localtime.yday == -1)
-        localtime.yday = 365;
-    else if (localtime.yday == -1)
-        localtime.yday = 364;
-    else
-        localtime.yday = 0;
-
-    localtime.year -= 1900;
-
-}
-
-void rtc_set_timezone(int offset) {
-    cur_offset = offset;
-}
-
-void rtc_update(void) {
-    time.sec = cmos_read(CMOS_REG_SEC);
-    time.min = cmos_read(CMOS_REG_MIN);
-    time.hour = cmos_read(CMOS_REG_HOUR);
-    time.wday = cmos_read(CMOS_REG_WDAY) - 1;
-    time.mday = cmos_read(CMOS_REG_MDAY);
-    time.mon = cmos_read(CMOS_REG_MON) - 1;
-    time.yn = cmos_read(CMOS_REG_YEAR);
-    time.cen = 20;
-
-    time.year = time.yn + time.cen * 100;
-
-    time.leap = time.year % 4 == 0 && time.year % 100 != 0;
-
-    time.yday = mday_offset[time.mon] + time.mday;
-
-    if (time.leap && time.mon > 2)
-        time.yday++;
-    
-    time.year -= 1900;
-
-    update_localtime();
-}
-
-struct Time *rtc_utctime(void) {
-    return &time;
-}
-
-struct Time *rtc_localtime(void) {
-     return &localtime;
-}