From 4e7918753175dbd8fc38bc7c5b176517e1dbef2f Mon Sep 17 00:00:00 2001
From: Anton Kling <anton@kling.gg>
Date: Wed, 3 Jul 2024 18:30:51 +0200
Subject: Kernel/Time: Improve time keeping

This makes use of TSC and now provides a file system interface for
userland programs to change the system time.
---
 kernel/init/kernel.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'kernel/init')

diff --git a/kernel/init/kernel.c b/kernel/init/kernel.c
index 83f4af8..90be3ab 100644
--- a/kernel/init/kernel.c
+++ b/kernel/init/kernel.c
@@ -28,6 +28,7 @@
 #include <stddef.h>
 #include <stdio.h>
 #include <string.h>
+#include <timer.h>
 #include <typedefs.h>
 
 #if defined(__linux__)
@@ -76,6 +77,8 @@ void kernel_main(u32 kernel_end, unsigned long magic, unsigned long addr,
   ata_init();
   klog(LOG_SUCCESS, "ATA Initalized");
 
+  timer_init();
+
   tasking_init();
   klog(LOG_SUCCESS, "Tasking Initalized");
 
@@ -96,6 +99,9 @@ void kernel_main(u32 kernel_end, unsigned long magic, unsigned long addr,
   add_stdout();
   add_serial();
   add_random_devices();
+
+  timer_add_clock();
+
   shm_init();
 
   setup_random();
@@ -123,7 +129,7 @@ void kernel_main(u32 kernel_end, unsigned long magic, unsigned long addr,
     }
   }
   for (;;) {
-    current_task->sleep_until = pit_num_ms() + 100000000;
+    current_task->sleep_until = timer_get_ms() + 100000000;
     wait_for_interrupt();
   }
 }
-- 
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