From 162d024a53e1e31e00ff0b6f47dd4590edebc551 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sun, 9 Aug 2020 16:51:01 +0200
Subject: Heavy restructuring of libc, kernel and apps
---
src/drivers/timer.c | 39 ---------------------------------------
1 file changed, 39 deletions(-)
delete mode 100644 src/drivers/timer.c
(limited to 'src/drivers/timer.c')
diff --git a/src/drivers/timer.c b/src/drivers/timer.c
deleted file mode 100644
index a3b4137..0000000
--- a/src/drivers/timer.c
+++ /dev/null
@@ -1,39 +0,0 @@
-// MIT License, Copyright (c) 2020 Marvin Borner
-
-#include <cpu.h>
-#include <def.h>
-#include <interrupts.h>
-
-static u32 timer_ticks = 0;
-
-void timer_phase(int hz)
-{
- int divisor = 3579545 / 3 / hz;
- outb(0x43, 0x36); // 01 10 11 0b // CTR, RW, MODE, BCD
- outb(0x40, divisor & 0xFF);
- outb(0x40, divisor >> 8);
-}
-
-// Executed 1000 times per second
-void timer_handler()
-{
- timer_ticks++;
-}
-
-// "Delay" function with CPU sleep
-void timer_wait(u32 ticks)
-{
- u32 eticks;
-
- eticks = timer_ticks + ticks;
- while (timer_ticks < eticks) {
- __asm__("sti//hlt//cli");
- }
-}
-
-// Install timer handler into IRQ0
-void timer_install()
-{
- timer_phase(1000);
- irq_install_handler(0, timer_handler);
-}
--
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