1 files changed, 16 insertions, 1 deletions
diff --git a/src/kernel/io/io.c b/src/kernel/io/io.c
index 858f968..c4dad52 100644
--- a/src/kernel/io/io.c
+++ b/src/kernel/io/io.c
@@ -22,6 +22,21 @@ uint32_t inl(uint16_t port)
     return value;
 }
 
+void cli()
+{
+    asm volatile ("cli");
+}
+
+void sti()
+{
+    asm volatile ("sti");
+}
+
+void hlt()
+{
+    asm volatile ("hlt");
+}
+
 void outb(uint16_t port, uint8_t data)
 {
     asm ("outb %0, %1"::"a" (data), "Nd"(port));
@@ -58,4 +73,4 @@ void serial_put(char ch)
 {
     while (is_transmit_empty() == 0);
     outb(0x3f8, (uint8_t) ch);
-}
-\ No newline at end of file
+}