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/*
RCC-Project
Copyright (C) 2026 Richard Qin
This file is part of RCC-Project.
RCC-Project 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.
RCC-Project 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
RCC-Project; see the file COPYING. If not see
<http://www.gnu.org/licenses/>.
*/
#ifndef MUBIOS_IO_H
#define MUBIOS_IO_H
#include "bios.h"
static inline void
io_out8 (u16 port, u8 value)
{
__asm__ volatile ("outb %0, %1" : : "a"(value), "Nd"(port));
}
static inline u8
io_in8 (u16 port)
{
u8 value;
__asm__ volatile ("inb %1, %0" : "=a"(value) : "Nd"(port));
return value;
}
static inline u16
io_in16 (u16 port)
{
u16 value;
__asm__ volatile ("inw %1, %0" : "=a"(value) : "dN"(port));
return value;
}
static inline void
io_out16 (u16 port, u16 value)
{
__asm__ volatile ("outw %0, %1" : : "a"(value), "Nd"(port));
}
static inline u32
io_in32 (u16 port)
{
u32 value;
__asm__ volatile ("inl %1, %0" : "=a"(value) : "Nd"(port));
return value;
}
static inline void
io_out32 (u16 port, u32 value)
{
__asm__ volatile ("outl %0, %1" : : "a"(value), "Nd"(port));
}
#endif // MUBIOS_IO_H
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