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-rw-r--r--include/grub/memory.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/include/grub/memory.h b/include/grub/memory.h
new file mode 100644
index 0000000..6da114a
--- /dev/null
+++ b/include/grub/memory.h
@@ -0,0 +1,87 @@
+/* memory.h - describe the memory map */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2002,2007,2008 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_MEMORY_HEADER
+#define GRUB_MEMORY_HEADER 1
+
+#include <grub/types.h>
+#include <grub/err.h>
+
+typedef enum grub_memory_type
+ {
+ GRUB_MEMORY_AVAILABLE = 1,
+ GRUB_MEMORY_RESERVED = 2,
+ GRUB_MEMORY_ACPI = 3,
+ GRUB_MEMORY_NVS = 4,
+ GRUB_MEMORY_BADRAM = 5,
+ GRUB_MEMORY_PERSISTENT = 7,
+ GRUB_MEMORY_PERSISTENT_LEGACY = 12,
+ GRUB_MEMORY_COREBOOT_TABLES = 16,
+ GRUB_MEMORY_CODE = 20,
+ /* This one is special: it's used internally but is never reported
+ by firmware. Don't use -1 as it's used internally for other purposes. */
+ GRUB_MEMORY_HOLE = -2,
+ GRUB_MEMORY_MAX = 0x10000
+ } grub_memory_type_t;
+
+typedef int (*grub_memory_hook_t) (grub_uint64_t,
+ grub_uint64_t,
+ grub_memory_type_t,
+ void *);
+
+grub_err_t grub_mmap_iterate (grub_memory_hook_t hook, void *hook_data);
+
+#ifdef GRUB_MACHINE_EFI
+grub_err_t
+grub_efi_mmap_iterate (grub_memory_hook_t hook, void *hook_data,
+ int avoid_efi_boot_services);
+#endif
+
+#if !defined (GRUB_MACHINE_EMU) && !defined (GRUB_MACHINE_EFI)
+grub_err_t EXPORT_FUNC(grub_machine_mmap_iterate) (grub_memory_hook_t hook,
+ void *hook_data);
+#else
+grub_err_t grub_machine_mmap_iterate (grub_memory_hook_t hook,
+ void *hook_data);
+#endif
+
+int grub_mmap_register (grub_uint64_t start, grub_uint64_t size, int type);
+grub_err_t grub_mmap_unregister (int handle);
+
+void *grub_mmap_malign_and_register (grub_uint64_t align, grub_uint64_t size,
+ int *handle, int type, int flags);
+
+void grub_mmap_free_and_unregister (int handle);
+
+#ifndef GRUB_MMAP_REGISTER_BY_FIRMWARE
+
+struct grub_mmap_region
+{
+ struct grub_mmap_region *next;
+ grub_uint64_t start;
+ grub_uint64_t end;
+ grub_memory_type_t type;
+ int handle;
+ int priority;
+};
+
+extern struct grub_mmap_region *grub_mmap_overlays;
+#endif
+
+#endif /* ! GRUB_MEMORY_HEADER */