1 files changed, 27 insertions, 0 deletions
diff --git a/include/asm/interrupt.h b/include/asm/interrupt.h
index d1ea6c1..1187fef 100644
--- a/include/asm/interrupt.h
+++ b/include/asm/interrupt.h
@@ -1,2 +1,29 @@
+#include <stdint.h>
+
+#define irq_enable(n) \
+  __asm__ volatile ( \
+      "inb $0xA1, %%al\n" \
+      "shl $8, %%ax\n" \
+      "inb $0x21, %%al\n" \
+      "xor $0xFFFF, %%bx\n" \
+      "and %%bx, %%ax\n" \
+      "outb %%al, $0x21\n" \
+      "shr $8, %%ax\n" \
+      "outb %%al, $0xA1\n" \
+      :: "b" (n) \
+      );
+
+#define irq_disable(n) \
+  __asm__ volatile ( \
+      "inb $0xA1, %%al\n" \
+      "shl $8, %%ax\n" \
+      "inb $0x21, %%al\n" \
+      "or %%bx, %%ax\n" \
+      "outb %%al, $0x21\n" \
+      "shr $8, %%ax\n" \
+      "outb %%al, $0xA1\n" \
+      :: "b" (n) \
+      );
+
 void register_isr(uint8_t n, uint8_t dpl, void *handler);
 void register_trap(uint8_t n, uint8_t dpl, void *handler);