--- /dev/null
+#ifndef __PMM_H
+#define __PMM_H
+
+#include "types.h" // u32
+
+#define PMM_SIGNATURE 0x4d4d5024 // $PMM
+
+struct pmmheader {
+ u32 signature;
+ u8 version;
+ u8 length;
+ u8 checksum;
+ struct segoff_s entry;
+ u8 reserved[5];
+} PACKED;
+
+#define PMM_FUNCTION_NOT_SUPPORTED 0xffffffff
+
+#endif // pmm.h