Add stub for decrementer interrupt.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/kernel/syscall.C b/src/kernel/syscall.C
index 250c18ae2..d59ea1a03 100644
--- a/src/kernel/syscall.C
+++ b/src/kernel/syscall.C
@@ -1,6 +1,16 @@
 #include <kernel/console.H>
 
 extern "C"
+void kernel_execute_decrementer()
+{
+    //printk("Decrementer.\n");
+    
+    // Resync decrementer.
+    register uint64_t decrementer = 0x0f000000;
+    asm volatile("mtdec %0" :: "r"(decrementer));
+}
+
+extern "C"
 void kernel_execute_systemcall()
 {
     //printk("Syscall.\n");