1 files changed, 21 insertions, 0 deletions
diff --git a/src/drivers/cpu.c b/src/drivers/cpu.c
index ba8c66f..5c27c51 100644
--- a/src/drivers/cpu.c
+++ b/src/drivers/cpu.c
@@ -46,3 +46,24 @@ void outl(u16 port, u32 data)
 {
 	__asm__ volatile("outl %0, %1" ::"a"(data), "Nd"(port));
 }
+
+void cli()
+{
+	__asm__ volatile("cli");
+}
+
+void sti()
+{
+	__asm__ volatile("sti");
+}
+
+void hlt()
+{
+	__asm__ volatile("hlt");
+}
+
+void idle()
+{
+	while (1)
+		hlt();
+}