cos2000v2/include/asm.h

23 lines
531 B
C

#include "types.h"
#define sti() __asm__ ("sti"::)
#define cli() __asm__ ("cli"::)
#define nop() __asm__ ("nop"::)
#define iret() __asm__ ("iret"::)
#define outb(port,value) \
asm volatile ("outb %%al,%%dx"::"d" (port), "a" (value));
#define outw(port,value) \
asm volatile ("outw %%ax,%%dx"::"d" (port), "a" (value));
#define inb(port) ({ \
u8 _v; \
asm volatile ("inb %%dx,%%al" : "=a" (_v) : "d" (port)); \
_v; \
})
#define inw(port) ({ \
u16 _v; \
asm volatile ("inw %%dx,%%ax" : "=a" (_v) : "d"(port)); \
_v; \
})