+/* cpu/i386/interrupts.c */
+void set_vector(u8 intnum, void *routine);
+
+/* lib_i386/interupts.c */
+void disable_irq(int irq);
+void enable_irq(int irq);
+
+/* Architecture specific functions */
+void mask_irq(int irq);
+void unmask_irq(int irq);
+void specific_eoi(int irq);
+
+extern char exception_stack[];
+
+#define __isr__ void __attribute__ ((regparm(0)))
+
+#define DECLARE_INTERRUPT(x) \
+ asm(".globl irq_"#x"\n" \
+ "irq_"#x":\n" \
+ "pusha \n" \
+ "pushl $"#x"\n" \
+ "pushl $irq_return\n" \
+ "jmp do_irq\n"); \
+ __isr__ irq_##x(void)
+
+#define DECLARE_EXCEPTION(x, f) \
+ asm(".globl exp_"#x"\n" \
+ "exp_"#x":\n" \
+ "pusha \n" \
+ "movl %esp, %ebx\n" \
+ "movl $exception_stack, %eax\n" \
+ "movl %eax, %esp \n" \
+ "pushl %ebx\n" \
+ "movl 32(%esp), %ebx\n" \
+ "xorl %edx, %edx\n" \
+ "movw 36(%esp), %dx\n" \
+ "pushl %edx\n" \
+ "pushl %ebx\n" \
+ "pushl $"#x"\n" \
+ "pushl $exp_return\n" \
+ "jmp "#f"\n"); \
+ __isr__ exp_##x(void)