42 lines
827 B
C++
42 lines
827 B
C++
#include "io/IO.h"
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uint8_t IO::inb(uint16_t port)
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{
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uint8_t result;
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asm volatile("inb %1, %0" : "=a"(result) : "Nd"(port));
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return result;
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}
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void IO::outb(uint16_t port, uint8_t value)
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{
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asm volatile("outb %0, %1" : : "a"(value), "Nd"(port));
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}
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uint16_t IO::inw(uint16_t port)
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{
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uint16_t result;
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asm volatile("inw %1, %0" : "=a"(result) : "Nd"(port));
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return result;
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}
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void IO::outw(uint16_t port, uint16_t value)
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{
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asm volatile("outw %0, %1" : : "a"(value), "Nd"(port));
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}
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uint32_t IO::inl(uint16_t port)
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{
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uint32_t result;
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asm volatile("inl %1, %0" : "=a"(result) : "Nd"(port));
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return result;
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}
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void IO::outl(uint16_t port, uint32_t value)
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{
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asm volatile("outl %0, %1" : : "a"(value), "Nd"(port));
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}
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void IO::delay()
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{
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asm volatile("outb %%al, $0x80" : : "a"(0));
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} |