1 files changed, 38 insertions, 0 deletions
diff --git a/include/grub/efi/memory.h b/include/grub/efi/memory.h
new file mode 100644
index 0000000..08fe622
--- /dev/null
+++ b/include/grub/efi/memory.h
@@ -0,0 +1,38 @@
+/*
+ *  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 */