1 files changed, 30 insertions, 0 deletions
diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
new file mode 100644
index 0000000..9d29f82
--- /dev/null
+++ b/arch/x86/include/asm/e820.h
@@ -0,0 +1,30 @@
+#ifndef _ASM_X86_E820_H
+#define _ASM_X86_E820_H
+
+#define E820MAX		128	/* number of entries in E820MAP */
+
+#define E820_RAM	1
+#define E820_RESERVED	2
+#define E820_ACPI	3
+#define E820_NVS	4
+#define E820_UNUSABLE	5
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+
+struct e820_entry {
+	__u64 addr;	/* start of memory segment */
+	__u64 size;	/* size of memory segment */
+	__u32 type;	/* type of memory segment */
+} __attribute__((packed));
+
+#define ISA_START_ADDRESS	0xa0000
+#define ISA_END_ADDRESS		0x100000
+
+#endif /* __ASSEMBLY__ */
+
+/* Implementation defined function to install an e820 map */
+unsigned int install_e820_map(unsigned int max_entries,
+			      struct e820_entry *);
+
+#endif /* _ASM_X86_E820_H */