kernel/irq: use a lookup table for irqs

1 files changed, 17 insertions, 0 deletions

diff --git a/src/kernel/arch/amd64/interrupts.h b/src/kernel/arch/amd64/interrupts.h
new file mode 100644
index 0000000..262ea16
--- /dev/null
+++ b/src/kernel/arch/amd64/interrupts.h
@@ -0,0 +1,17 @@
+#pragma once
+#include <stdbool.h>
+#include <stdint.h>
+
+#define IRQ_COM1 4
+#define IRQ_IBASE 0x20
+#define IRQ_PIT 0
+#define IRQ_PS2KB 1
+#define IRQ_PS2MOUSE 12
+#define IRQ_RTL8139 11
+
+extern void (*irq_fn[16])(void);
+extern const char _isr_stubs;
+
+void irq_init(void);
+void irq_eoi(uint8_t line);
+void isr_stage3(uint8_t interrupt, uint64_t *stackframe);