Improvements for Apple?

include/grub/i386/memory.h

@@ -0,0 +1,30 @@
+/* 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_CPU_HEADER
+#define GRUB_MEMORY_CPU_HEADER	1
+
+/* The flag for protected mode.  */
+#define GRUB_MEMORY_CPU_CR0_PE_ON		0x1
+#define GRUB_MEMORY_CPU_CR4_PAE_ON		0x00000040
+#define GRUB_MEMORY_CPU_CR0_PAGING_ON       0x80000000
+#define GRUB_MEMORY_CPU_AMD64_MSR           0xc0000080
+#define GRUB_MEMORY_CPU_AMD64_MSR_ON        0x00000100
+
+#endif /* ! GRUB_MEMORY_CPU_HEADER */

include/grub/i386/pc/memory.h

@@ -65,6 +65,18 @@
 /* The address where another boot loader is loaded.  */
 #define GRUB_MEMORY_MACHINE_BOOT_LOADER_ADDR	0x7c00
 
+/* The code segment of the protected mode.  */
+#define GRUB_MEMORY_MACHINE_PROT_MODE_CSEG	0x8
+
+/* The data segment of the protected mode.  */
+#define GRUB_MEMORY_MACHINE_PROT_MODE_DSEG	0x10
+
+/* The code segment of the pseudo real mode.  */
+#define GRUB_MEMORY_MACHINE_PSEUDO_REAL_CSEG	0x18
+
+/* The data segment of the pseudo real mode.  */
+#define GRUB_MEMORY_MACHINE_PSEUDO_REAL_DSEG	0x20
+
 #ifndef ASM_FILE
 
 struct grub_machine_mmap_entry