grub/include/grub/i386/pci.h
bean e7e6862a4c 2009-04-10 Bean <bean123ch@gnail.com>
* include/grub/efi/api.h (grub_efi_configuration_table): Add packed
	attribute, otherwise the size would be wrong for i386 platform.

	* include/grub/pci.h (grub_pci_read_word): New inline function.
	(grub_pci_read_byte): Likewise.
	(grub_pci_write): Likewise.
	(grub_pci_write_word): Likewise.
	(grub_pci_write_byte): Likewise.

	* include/grub/pci.h (grub_pci_iteratefunc_t): Add NESTED_FUNC_ATTR.

	* loader/i386/efi/linux.c (fake_bios_data): Moved to loadbios module.
	(find_framebuf): Scan pci to locate the frame buffer address.

	* commands/efi/fixvideo.c: New file.

	* commands/efi/loadbios.c: Likewise.

	* commands/memrw.c: Likewise.

	* util/grub-dumpbios.in: Likewise.

	* conf/common.rmk (grub-dumpbios): New utility.
	(pkglib_MODULES): New module memrw.mod.
	(memrw_mod_SOURCE): New macro.
	(memrw_mod_CFLAGS): Likewise.
	(memrw_mod_LDFLAGS): Likewise.

	* conf/i386-efi.rmk (pkglig_MODULES): New module loadbios.mod and
	fixvideo.mod.
	(loadbios_mod_SOURCE): New macro.
	(loadbios_mod_CFLAGS): Likewise.
	(loadbios_mod_LDFLAGS): Likewise.
	(fixvideo_mod_SOURCE): Likewise.
	(fixvideo_mod_CFLAGS): Likewise.
	(fixvideo_mod_LDFLAGS): Likewise.

	* conf/x86_64.rmk (pkglig_MODULES): New module loadbios.mod and
	fixvideo.mod.
	(loadbios_mod_SOURCE): New macro.
	(loadbios_mod_CFLAGS): Likewise.
	(loadbios_mod_LDFLAGS): Likewise.
	(fixvideo_mod_SOURCE): Likewise.
	(fixvideo_mod_CFLAGS): Likewise.
	(fixvideo_mod_LDFLAGS): Likewise.
2009-04-10 15:33:34 +00:00

70 lines
1.9 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);
}
static inline grub_uint16_t
grub_pci_read_word (grub_pci_address_t addr)
{
grub_outl (addr & ~3, GRUB_PCI_ADDR_REG);
return grub_inw (GRUB_PCI_DATA_REG + (addr & 3));
}
static inline grub_uint8_t
grub_pci_read_byte (grub_pci_address_t addr)
{
grub_outl (addr & ~3, GRUB_PCI_ADDR_REG);
return grub_inb (GRUB_PCI_DATA_REG + (addr & 3));
}
static inline void
grub_pci_write (grub_pci_address_t addr, grub_uint32_t data)
{
grub_outl (addr, GRUB_PCI_ADDR_REG);
grub_outl (data, GRUB_PCI_DATA_REG);
}
static inline void
grub_pci_write_word (grub_pci_address_t addr, grub_uint16_t data)
{
grub_outl (addr & ~3, GRUB_PCI_ADDR_REG);
grub_outw (data, GRUB_PCI_DATA_REG + (addr & 3));
}
static inline void
grub_pci_write_byte (grub_pci_address_t addr, grub_uint8_t data)
{
grub_outl (addr & ~3, GRUB_PCI_ADDR_REG);
grub_outb (data, GRUB_PCI_DATA_REG + (addr & 3));
}
#endif /* GRUB_CPU_PCI_H */