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-rw-r--r--include/grub/i386/memory.h80
1 files changed, 80 insertions, 0 deletions
diff --git a/include/grub/i386/memory.h b/include/grub/i386/memory.h
new file mode 100644
index 0000000..5cb607f
--- /dev/null
+++ b/include/grub/i386/memory.h
@@ -0,0 +1,80 @@
+/* memory.h - describe the memory map */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2002,2007,2008,2009 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_CPU_HEADER
+#define GRUB_MEMORY_CPU_HEADER 1
+
+#define PAGE_SHIFT 12
+
+/* The flag for protected mode. */
+#define GRUB_MEMORY_CPU_CR0_PE_ON 0x1
+#define GRUB_MEMORY_CPU_CR4_PAE_ON 0x00000020
+#define GRUB_MEMORY_CPU_CR4_PSE_ON 0x00000010
+#define GRUB_MEMORY_CPU_CR0_PAGING_ON 0x80000000
+#define GRUB_MEMORY_CPU_AMD64_MSR 0xc0000080
+#define GRUB_MEMORY_CPU_AMD64_MSR_ON 0x00000100
+
+#define GRUB_MEMORY_MACHINE_UPPER_START 0x100000 /* 1 MiB */
+#define GRUB_MEMORY_MACHINE_LOWER_SIZE GRUB_MEMORY_MACHINE_UPPER_START
+
+/* Some PTE definitions. */
+#define GRUB_PAGE_PRESENT 0x00000001
+#define GRUB_PAGE_RW 0x00000002
+#define GRUB_PAGE_USER 0x00000004
+
+#ifndef ASM_FILE
+
+#define GRUB_MMAP_MALLOC_LOW 1
+
+#include <grub/types.h>
+
+struct grub_e820_mmap_entry
+{
+ grub_uint64_t addr;
+ grub_uint64_t len;
+ grub_uint32_t type;
+} GRUB_PACKED;
+
+grub_uint64_t grub_mmap_get_upper (void);
+grub_uint64_t grub_mmap_get_lower (void);
+grub_uint64_t grub_mmap_get_post64 (void);
+
+typedef grub_addr_t grub_phys_addr_t;
+
+static inline grub_phys_addr_t
+grub_vtop (void *a)
+{
+ return (grub_phys_addr_t) a;
+}
+
+static inline void *
+grub_map_memory (grub_phys_addr_t a, grub_size_t size __attribute__ ((unused)))
+{
+ return (void *) a;
+}
+
+static inline void
+grub_unmap_memory (void *a __attribute__ ((unused)),
+ grub_size_t size __attribute__ ((unused)))
+{
+}
+
+#endif
+
+#endif /* ! GRUB_MEMORY_CPU_HEADER */