#include "util.h"
#include "types.h"

bool CompareMemory(const void* Addr1, const void* Addr2, u32 Length) {
	const u8* Data1 = Addr1;
	const u8* Data2 = Addr2;

	for (uptr i = 0; i < Length; i++) {
		if (Data1[i] != Data2[i]) return false;
	}

	return true;
}

void PortWrite8(u16 Port, u8 Data) {
	asm ( "out %b1, %w0"
	    :
	    : "d" (Port),
	      "a" (Data));
}

void PortWrite16(u16 Port, u16 Data) {
	asm ( "out %w1, %w0"
	    :
	    : "d" (Port),
	      "a" (Data));
}

void PortWrite32(u16 Port, u32 Data) {
	asm ( "out %1, %w0"
	    :
	    : "d" (Port),
	      "a" (Data));
}

u8 PortRead8(u16 Port) {
	u8 Data = 0;
	asm ( "in %w1, %b0"
	    : "=a" (Data)
	    : "d"  (Port));
	return Data;
}

u16 PortRead16(u16 Port) {
	u16 Data = 0;
	asm ( "in %w1, %w0"
	    : "=a" (Data)
	    : "d"  (Port));
	return Data;
}

u32 PortRead32(u16 Port) {
	u32 Data = 0;
	asm ( "in %w1, %0"
	    : "=a" (Data)
	    : "d"  (Port));
	return Data;
}