headers/rtc.h

@@ -1,32 +0,0 @@
-#pragma once
-
-#include <stdint.h>
-
-#define SECOND_REGISTER 0x00
-#define MINUTE_REGISTER 0x02
-#define HOUR_REGISTER 0x04
-#define DAY_OF_THE_MONTH_REGISTER 0x07
-#define MONTH_REGISTER 0x08
-#define YEAR_REGISTER 0x09
-#define CENTURY_REGISTER 0x32
-
-#define REGISTER_A 0x0A
-#define REGISTER_B 0x0B
-
-enum {
-      CMOS_ADDRESS = 0x70,
-      CMOS_DATA    = 0x71
-};
-
-struct rtc_date {
-    uint8_t second;
-    uint8_t minute;
-    uint8_t hour;
-
-    uint8_t index_of_the_day;
-    uint8_t day;
-    uint8_t month;
-    uint32_t year;
-};
-
-struct rtc_date get_date(void);

headers/shell.h

@@ -53,7 +53,6 @@ typedef enum {
 	ECHO,
 	COLOR,
 	MERDELLA,
-    DATE,
 	ERROR
 } CMD_TOK;
 
@@ -61,4 +60,3 @@ void shell_init(void);
 void reboot(void);
 void halt(void);
 void print_stack(void);
-void date(void);

src/rtc/rtc.c

@@ -1,56 +0,0 @@
-#include "sys/io.h"
-
-#include "rtc.h"
-
-#include "kprintf.h"
-
-static uint16_t raw_read_register(uint16_t cmos_register)
-{
-    //selecting the register
-    outb(CMOS_ADDRESS, cmos_register);
-    //read value of the selectect register
-    return inb(CMOS_DATA);
-}
-
-static uint8_t update_is_in_progress(void)
-{
-    return raw_read_register(REGISTER_A) & 0x80;
-}
-
-static uint16_t read_register(uint16_t cmos_register)
-{
-    while (update_is_in_progress())
-        kprintf(0, "%d\n", update_is_in_progress());
-    return raw_read_register(cmos_register);
-}
-
-uint8_t bcd_mode_to_bin(uint8_t value)
-{
-    return (value & 0x0F) + ((value/ 16) * 10);
-}
-
-struct rtc_date get_date(void)
-{
-    struct rtc_date rv;
-    uint8_t century;
-
-    rv.second = read_register(SECOND_REGISTER);
-    rv.minute = read_register(MINUTE_REGISTER);
-    rv.hour = read_register(HOUR_REGISTER);
-    rv.day = read_register(DAY_OF_THE_MONTH_REGISTER);
-    rv.month = read_register(MONTH_REGISTER);
-    rv.year += read_register(YEAR_REGISTER);
-    century = read_register(CENTURY_REGISTER);
-
-    if (!(read_register(REGISTER_B) & 0x04)) {
-        rv.second = bcd_mode_to_bin(rv.second);
-        rv.minute = bcd_mode_to_bin(rv.minute);
-        rv.hour = bcd_mode_to_bin(rv.hour);
-        rv.day = bcd_mode_to_bin(rv.day);
-        rv.month = bcd_mode_to_bin(rv.month);
-        rv.year = bcd_mode_to_bin(rv.year);
-        century = bcd_mode_to_bin(century);
-    }
-    rv.year += century * 100 - 108; // -108 = bozo offset
-    return rv;
-}

src/shell/date.c

@@ -1,22 +0,0 @@
-#include "kprintf.h"
-#include "rtc.h"
-
-void date()
-{
-    static const char *months[12] = {
-        "January",
-        "February",
-        "March",
-        "April",
-        "May",
-        "June",
-        "July",
-        "August",
-        "September",
-        "October",
-        "November",
-        "December" };
-    struct rtc_date date = get_date();
-
-    kprintf(0, "%s. %d %s. %d %d:%d:%d\n", "mer", date.day, months[date.month], date.year, date.hour, date.minute, date.second);
-}

src/shell/exec.c

@@ -39,8 +39,6 @@ static CMD_TOK find_command(char *line)
 		command = COLOR;
 	else if (!strcmp(line, "merdella"))
 		command = MERDELLA;
-	else if (!strcmp(line, "date"))
-		command = DATE;
 	else
 		kprintf(0, "invalid command: %s\n", line);
 	if (uwu)
@@ -122,9 +120,6 @@ void shell_init(void)
 				    "by Targon (/)\n");
 			break;
 		}
-		case DATE:
-			date();
-			break;
 		case ERROR:
 			break;
 		default: