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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2009 Free Software Foundation, Inc.
*
* GRUB 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.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_IO_H
#define GRUB_IO_H 1
#include <grub/types.h>
typedef grub_addr_t grub_port_t;
static __inline unsigned char
grub_inb (grub_port_t port)
{
return *(volatile grub_uint8_t *) port;
}
static __inline unsigned short int
grub_inw (grub_port_t port)
{
return *(volatile grub_uint16_t *) port;
}
static __inline unsigned int
grub_inl (grub_port_t port)
{
return *(volatile grub_uint32_t *) port;
}
static __inline void
grub_outb (unsigned char value, grub_port_t port)
{
*(volatile grub_uint8_t *) port = value;
}
static __inline void
grub_outw (unsigned short int value, grub_port_t port)
{
*(volatile grub_uint16_t *) port = value;
}
static __inline void
grub_outl (unsigned int value, grub_port_t port)
{
*(volatile grub_uint32_t *) port = value;
}
#endif /* _SYS_IO_H */
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