From c175c4994595815b62e13bfbe850f3163c238cc8 Mon Sep 17 00:00:00 2001
From: Simon <s.kanoun@tu-bs.de>
Date: Tue, 8 Jul 2025 13:46:02 +0200
Subject: [PATCH] works mostly

---
 arch/lapic_timer.cc | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/arch/lapic_timer.cc b/arch/lapic_timer.cc
index 694c42b..4bbeed9 100644
--- a/arch/lapic_timer.cc
+++ b/arch/lapic_timer.cc
@@ -129,21 +129,23 @@ void set(uint32_t counter, uint8_t divide, uint8_t vector, bool periodic,
   LAPIC::write(TIMER_DIVIDE_CONFIGURATION, getClockDiv(divide));
   LAPIC::write(TIMER_INITIAL_COUNTER, counter);
 }
-
+uint64_t time_tick;
+    
+uint8_t dividender;
+ 
 bool setup(uint32_t us) {
-  uint64_t timer_ticks = (static_cast<uint64_t>(ticks()) * us) / 1000ULL;
+  time_tick = (static_cast<uint64_t>(ticks()) * us) / 1000ULL;
     
-  uint8_t divisor = 1;
-  while (timer_ticks > UINT32_MAX) {
+  dividender = 1;
+  while (time_tick > UINT32_MAX) {
     // While timer_ticks is to large to fit in 32bits.
-    timer_ticks >>= 1;
-    divisor <<= 1;
+    time_tick >>= 1;
+    dividender <<= 1;
   }
-  if (divisor > 128) 
+  if (dividender > 128) 
       return false; // Timer interval is to large.
     
   // Setup Masked interrupts to effectively disable the timer.
-  set(static_cast<uint32_t>(timer_ticks), divisor, Core::Interrupt::TIMER, true, true);
   return true;
 }
 
@@ -156,15 +158,15 @@ uint32_t interval() {
 }
 
 void activate() {
-  uint32_t timer_ticks = LAPIC::read(TIMER_INITIAL_COUNTER);
   // Disable Counter to avoid spouriose interrupts.
   LAPIC::write(TIMER_INITIAL_COUNTER, 0);
+  set(static_cast<uint32_t>(time_tick), dividender, Core::Interrupt::TIMER, true, true);
 
   // Activate Timer interrupts.
   setMasked(false);
 
   // enable counter with correct value.
-  LAPIC::write(TIMER_INITIAL_COUNTER, timer_ticks);
+  LAPIC::write(TIMER_INITIAL_COUNTER, time_tick);
 }
 
 void setMasked(bool masked) {