Merged mcb30-realmode-redesign back to HEAD

1 files changed, 34 insertions, 0 deletions

diff --git a/src/arch/i386/include/memsizes.h b/src/arch/i386/include/memsizes.h
new file mode 100644
index 000000000..a5bb3f2df
--- /dev/null
+++ b/src/arch/i386/include/memsizes.h
@@ -0,0 +1,34 @@
+#ifndef MEMSIZES_H
+#define MEMSIZES_H
+
+/*
+ * These structures seem to be very i386 (and, in fact, PCBIOS)
+ * specific, so I've moved them out of etherboot.h.
+ *
+ */
+
+struct e820entry {
+	uint64_t addr;
+	uint64_t size;
+	uint32_t type;
+#define E820_RAM	1
+#define E820_RESERVED	2
+#define E820_ACPI	3 /* usable as RAM once ACPI tables have been read */
+#define E820_NVS	4
+} __attribute__ (( packed ));
+#define E820ENTRY_SIZE 20
+#define E820MAX 32
+
+struct meminfo {
+	uint16_t basememsize;
+	uint16_t pad;
+	uint32_t memsize;
+	uint32_t map_count;
+	struct e820entry map[E820MAX];
+} __attribute__ (( packed ));
+
+extern struct meminfo meminfo;
+
+extern void get_memsizes ( void );
+
+#endif /* MEMSIZES_H */