mirror of
https://github.com/ventoy/Ventoy.git
synced 2024-11-22 19:06:15 +00:00
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2009,2017 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 */
|