69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
/******************************************************************************
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COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along
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with Sortix. If not, see <http://www.gnu.org/licenses/>.
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x86.cpp
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CPU stuff for the x86 platform.
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******************************************************************************/
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#include <libmaxsi/platform.h>
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#include "x86.h"
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namespace Sortix
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{
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namespace X86
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{
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void OutPortB(uint16_t Port, uint8_t Value)
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{
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asm volatile ("outb %1, %0" : : "dN" (Port), "a" (Value));
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}
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void OutPortW(uint16_t Port, uint16_t Value)
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{
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asm volatile ("outw %1, %0" : : "dN" (Port), "a" (Value));
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}
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void OutPortL(uint16_t Port, uint32_t Value)
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{
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asm volatile ("outl %1, %0" : : "dN" (Port), "a" (Value));
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}
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uint8_t InPortB(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) : "dN" (Port));
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return Result;
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}
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uint16_t InPortW(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) : "dN" (Port));
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return Result;
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}
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uint32_t InPortL(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) : "dN" (Port));
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return Result;
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}
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}
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}
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