ref: c2d48b328d4c3d0b91d657e89e2da3a97cd1b528
dir: /include/x86.h/
#pragma once
#include <u.h>
#define COM1 0x3f8
#define KB 0x60
#define outb(port,data) asm volatile("out %0, %1" : : "a" (data), "d" (port));
#define inb(port) ({ \
unsigned char _v; \
__asm__ volatile ("inb %%dx,%%al":"=a" (_v):"d" (port)); \
_v; \
})
void instr(uint16 port, uint8* address, uint32 size);
void sti(void);
void cli(void);
void nop(void);