083c6e2455
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>
38 lines
1.5 KiB
C
38 lines
1.5 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2009 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_MEMORY_MACHINE_HEADER
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#define GRUB_MEMORY_MACHINE_HEADER 1
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#include <grub/err.h>
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#include <grub/types.h>
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/* The term "page" in UEFI refers only to a 4 KiB-aligned 4 KiB size region of
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memory. It is not concerned with underlying translation management concepts,
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but only used as the granule for memory allocations. */
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#define GRUB_EFI_PAGE_SHIFT 12
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#define GRUB_EFI_PAGE_SIZE (1 << GRUB_EFI_PAGE_SHIFT)
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#define GRUB_EFI_BYTES_TO_PAGES(bytes) (((bytes) + 0xfff) >> GRUB_EFI_PAGE_SHIFT)
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#define GRUB_MMAP_REGISTER_BY_FIRMWARE 1
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grub_err_t grub_machine_mmap_register (grub_uint64_t start, grub_uint64_t size,
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int type, int handle);
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grub_err_t grub_machine_mmap_unregister (int handle);
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#endif /* ! GRUB_MEMORY_MACHINE_HEADER */
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