grub2/include/grub/efi/memory.h
Leif Lindholm c2f64f6b2f arm64/efi: move EFI_PAGE definitions to efi/memory.h
The EFI page definitions and macros are generic and should not be confined
to arm64 headers - so move to efi/memory.h.
Also add EFI_PAGE_SIZE macro.

Update loader sources to reflect new header location.

Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

Origin: upstream, https://git.savannah.gnu.org/cgit/grub.git/commit/?id=083c6e2455dcd4aafb6062d89fd6029dd3adddb6
Bug-Debian: https://bugs.debian.org/907596
Bug-Debian: https://bugs.debian.org/909420
Last-Update: 2018-12-06

Patch-Name: arm64-efi-move-EFI_PAGE-definitions.patch
2018-12-06 20:51:32 +00:00

39 lines
1.5 KiB
C

/*
* 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_MEMORY_MACHINE_HEADER
#define GRUB_MEMORY_MACHINE_HEADER 1
#include <grub/err.h>
#include <grub/types.h>
/* The term "page" in UEFI refers only to a 4 KiB-aligned 4 KiB size region of
memory. It is not concerned with underlying translation management concepts,
but only used as the granule for memory allocations. */
#define GRUB_EFI_PAGE_SHIFT 12
#define GRUB_EFI_PAGE_SIZE (1 << GRUB_EFI_PAGE_SHIFT)
#define GRUB_EFI_BYTES_TO_PAGES(bytes) (((bytes) + 0xfff) >> GRUB_EFI_PAGE_SHIFT)
#define GRUB_MMAP_REGISTER_BY_FIRMWARE 1
grub_err_t grub_machine_mmap_register (grub_uint64_t start, grub_uint64_t size,
int type, int handle);
grub_err_t grub_machine_mmap_unregister (int handle);
#endif /* ! GRUB_MEMORY_MACHINE_HEADER */