summaryrefslogtreecommitdiffstats
path: root/include/grub/mm_private.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/grub/mm_private.h')
-rw-r--r--include/grub/mm_private.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/include/grub/mm_private.h b/include/grub/mm_private.h
new file mode 100644
index 0000000..c2c4cb1
--- /dev/null
+++ b/include/grub/mm_private.h
@@ -0,0 +1,64 @@
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2010 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_MM_PRIVATE_H
+#define GRUB_MM_PRIVATE_H 1
+
+#include <grub/mm.h>
+
+/* Magic words. */
+#define GRUB_MM_FREE_MAGIC 0x2d3c2808
+#define GRUB_MM_ALLOC_MAGIC 0x6db08fa4
+
+typedef struct grub_mm_header
+{
+ struct grub_mm_header *next;
+ grub_size_t size;
+ grub_size_t magic;
+#if GRUB_CPU_SIZEOF_VOID_P == 4
+ char padding[4];
+#elif GRUB_CPU_SIZEOF_VOID_P == 8
+ char padding[8];
+#else
+# error "unknown word size"
+#endif
+}
+*grub_mm_header_t;
+
+#if GRUB_CPU_SIZEOF_VOID_P == 4
+# define GRUB_MM_ALIGN_LOG2 4
+#elif GRUB_CPU_SIZEOF_VOID_P == 8
+# define GRUB_MM_ALIGN_LOG2 5
+#endif
+
+#define GRUB_MM_ALIGN (1 << GRUB_MM_ALIGN_LOG2)
+
+typedef struct grub_mm_region
+{
+ struct grub_mm_header *first;
+ struct grub_mm_region *next;
+ grub_size_t pre_size;
+ grub_size_t size;
+}
+*grub_mm_region_t;
+
+#ifndef GRUB_MACHINE_EMU
+extern grub_mm_region_t EXPORT_VAR (grub_mm_base);
+#endif
+
+#endif