...

src/interrupts.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include "typedef.h"
+
+typedef struct
+{
+    u64 r15, r14, r13, r12, r11, r10, r9, r8;
+    u64 rbp, rdi, rsi, rdx, rcx, rbx, rax;
+    u64 int_no;
+    u64 err_code;
+    u64 rip, cs, rflags, rsp, ss;
+} __attribute__((packed)) isr_frame_t;
+
+typedef void (*irq_handler_t)(const isr_frame_t*);
+
+static inline void outb(u16 port, u8 val)
+{
+    __asm__ volatile("outb %0, %1" : : "a"(val), "Nd"(port));
+}
+
+static inline u8 inb(u16 port)
+{
+    u8 ret;
+    __asm__ volatile("inb %1, %0" : "=a"(ret) : "Nd"(port));
+    return ret;
+}
+
+void register_irq_handler(u8 irq, irq_handler_t handler);