Mark
39 lines
848 B
C
39 lines
848 B
C
#pragma once
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#include <stdint.h>
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static inline void outb(uint16_t addr, uint8_t v) {
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asm volatile("outb %0, %1"::"a"(v), "Nd"(addr));
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}
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static inline uint8_t inb(uint16_t addr) {
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uint8_t v;
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asm volatile("inb %1, %0":"=a"(v):"Nd"(addr));
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return v;
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}
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static inline void outw(uint16_t addr, uint16_t v) {
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asm volatile("outw %0, %1"::"a"(v), "Nd"(addr));
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}
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static inline void outl(uint16_t addr, uint32_t v) {
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asm volatile("outl %0, %1"::"a"(v), "Nd"(addr));
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}
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static inline uint32_t inl(uint16_t addr) {
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uint32_t v;
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asm volatile("inl %1, %0":"=a"(v):"Nd"(addr));
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return v;
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}
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static inline uint16_t inw(uint16_t addr) {
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uint16_t v;
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asm volatile("inw %1, %0":"=a"(v):"Nd"(addr));
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return v;
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}
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static inline void io_wait(void) {
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asm volatile("jmp 1f\n\t"
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"1:jmp 2f\n\t"
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"2:" );
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}
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