grub/include/grub/i386/pci.h

36 lines
1.1 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 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_CPU_PCI_H
#define GRUB_CPU_PCI_H 1
#include <grub/types.h>
#include <grub/i386/io.h>
#define GRUB_PCI_ADDR_REG 0xcf8
#define GRUB_PCI_DATA_REG 0xcfc
static inline grub_uint32_t
grub_pci_read (grub_pci_address_t addr)
{
grub_outl (addr, GRUB_PCI_ADDR_REG);
return grub_inl (GRUB_PCI_DATA_REG);
}
#endif /* GRUB_CPU_PCI_H */