sortix--sortix/sortix/x64/x64.cpp

/******************************************************************************

	COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.

	This file is part of Sortix.

	Sortix is free software: you can redistribute it and/or modify it under the
	terms of the GNU General Public License as published by the Free Software
	Foundation, either version 3 of the License, or (at your option) any later
	version.

	Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
	WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
	FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
	details.

	You should have received a copy of the GNU General Public License along
	with Sortix. If not, see <http://www.gnu.org/licenses/>.

	x64.cpp
	CPU stuff for the x64 platform.

******************************************************************************/

#include <libmaxsi/platform.h>
#include "x64.h"

namespace Sortix
{
	namespace X64
	{
		void OutPortB(uint16_t Port, uint8_t Value)
		{
			asm volatile ("outb %1, %0" : : "dN" (Port), "a" (Value));
		}

		void OutPortW(uint16_t Port, uint16_t Value)
		{
			asm volatile ("outw %1, %0" : : "dN" (Port), "a" (Value));
		}

		void OutPortL(uint16_t Port, uint32_t Value)
		{
			asm volatile ("outl %1, %0" : : "dN" (Port), "a" (Value));
		}

		uint8_t InPortB(uint16_t Port)
		{
			uint8_t Result;
			asm volatile("inb %1, %0" : "=a" (Result) : "dN" (Port));
			return Result;
		}

		uint16_t InPortW(uint16_t Port)
		{
			uint16_t Result;
			asm volatile("inw %1, %0" : "=a" (Result) : "dN" (Port));
			return Result;
		}

		uint32_t InPortL(uint16_t Port)
		{
			uint32_t Result;
			asm volatile("inl %1, %0" : "=a" (Result) : "dN" (Port));
			return Result;
		}
	}
}