/****************************************************************************** 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 . x86.cpp CPU stuff for the x86 platform. ******************************************************************************/ #include #include "x86.h" namespace Sortix { namespace X86 { 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; } } }