mirror of
https://github.com/RGBCube/serenity
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0dc9af5f7e
Also run it across the whole tree to get everything using the One True Style. We don't yet run this in an automated fashion as it's a little slow, but there is a snippet to do so in makeall.sh.
64 lines
1.2 KiB
C++
64 lines
1.2 KiB
C++
#pragma once
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#include <AK/Types.h>
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namespace IO {
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inline byte in8(word port)
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{
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byte value;
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asm volatile("inb %1, %0"
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: "=a"(value)
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: "Nd"(port));
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return value;
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}
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inline word in16(word port)
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{
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word value;
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asm volatile("inw %1, %0"
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: "=a"(value)
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: "Nd"(port));
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return value;
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}
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inline dword in32(word port)
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{
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dword value;
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asm volatile("inl %1, %0"
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: "=a"(value)
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: "Nd"(port));
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return value;
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}
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inline void repeated_in16(word port, byte* buffer, int buffer_size)
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{
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asm volatile("rep insw"
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: "+D"(buffer), "+c"(buffer_size)
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: "d"(port)
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: "memory");
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}
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inline void out8(word port, byte 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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inline void out16(word port, word 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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inline void out32(word port, dword 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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inline void repeated_out16(word port, const byte* data, int data_size)
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{
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asm volatile("rep outsw"
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: "+S"(data), "+c"(data_size)
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: "d"(port));
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}
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}
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