41 lines
994 B
C
Executable File
41 lines
994 B
C
Executable File
#include "io.h"
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UINT8 mapped_io_read(UINT16 addr) {
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UINT8 data;
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asm volatile("inb %1,%0" : "=a"(data) : "d"(addr));
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return data;
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}
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void mapped_io_write(UINT16 addr, UINT8 data) {
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asm volatile("outb %0,%1" ::"a"(data), "d"(addr));
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}
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UINT16 mapped_io_read_word(UINT16 addr) {
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UINT16 data;
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asm volatile("inw %1,%0" : "=a"(data) : "d"(addr));
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return data;
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}
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void mapped_io_write_word(UINT16 addr, UINT16 data) {
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asm volatile("outw %0,%1" ::"a"(data), "d"(addr));
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}
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UINT32 mapped_io_read_dword(UINT16 addr) {
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UINT32 data;
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asm volatile("inl %1,%0" : "=a"(data) : "d"(addr));
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return data;
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}
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void mapped_io_write_dword(UINT16 addr, UINT32 data) {
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asm volatile("outl %0,%1" ::"a"(data), "d"(addr));
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}
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UINT64 mapped_io_read_qword(UINT16 addr) {
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UINT64 data;
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asm volatile("inq %1,%0" : "=a"(data) : "d"(addr));
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return data;
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}
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void mapped_io_write_qword(UINT16 addr, UINT64 data) {
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asm volatile("outq %0,%1" ::"a"(data), "d"(addr));
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}
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