diff --git a/include/boot/loaders_layout.h b/include/boot/loaders_layout.h
new file mode 100644
index 00000000..72aff0df
--- /dev/null
+++ b/include/boot/loaders_layout.h
@@ -0,0 +1,32 @@
+/*
+ * zipl stage2/stage3 layout definitions
+ *
+ * Copyright IBM Corp. 2020
+ *
+ * s390-tools is free software; you can redistribute it and/or modify
+ * it under the terms of the MIT license. See LICENSE for details.
+ *
+ */
+
+#ifndef LOADERS_LAYOUT_H
+#define LOADERS_LAYOUT_H
+
+#include "lib/zt_common.h"
+#include "linux_layout.h"
+
+#define STAGE3_ENTRY			_AC(0xa000, UL)
+
+#define STAGE2_LOAD_ADDRESS		_AC(0x2000, UL)
+#define STAGE3_LOAD_ADDRESS		STAGE3_ENTRY
+#define IMAGE_LOAD_ADDRESS		IMAGE_ENTRY
+
+#define STAGE3_HEAP_SIZE		_AC(0x4000, UL)
+#define STAGE3_HEAP_ADDRESS		_AC(0x2000, UL)
+#define STAGE3_STACK_SIZE		_AC(0x1000, UL)
+#define STAGE3_STACK_ADDRESS		_AC(0xF000, UL)
+#define STAGE3_PARAMS_ADDRESS		_AC(0x9000, UL)
+
+
+#ifndef __ASSEMBLER__
+#endif /* __ASSEMBLER__ */
+#endif /* LOADERS_LAYOUT_H */
diff --git a/zipl/include/zipl.h b/zipl/include/zipl.h
index d510a9eb..3ae895b1 100644
--- a/zipl/include/zipl.h
+++ b/zipl/include/zipl.h
@@ -14,30 +14,18 @@
 
 #include <stdint.h>
 #include "lib/zt_common.h"
-#include "boot/linux_layout.h"
+#include "boot/loaders_layout.h"
 
 #define ZIPL_MAGIC			"zIPL"
 #define ZIPL_MAGIC_SIZE			4
 #define DISK_LAYOUT_ID			0x00000001
 
-#define STAGE3_ENTRY			0xa000UL
-
-#define STAGE2_LOAD_ADDRESS		0x2000UL
-#define STAGE3_LOAD_ADDRESS		STAGE3_ENTRY
-#define IMAGE_LOAD_ADDRESS		IMAGE_ENTRY
-
 #define ADDRESS_LIMIT			0x80000000UL
 #define ADDRESS_LIMIT_KDUMP		0x2000000UL /* HSA size: 32 MiB */
 #define UNSPECIFIED_ADDRESS		-1UL
 #define MAXIMUM_PARMLINE_SIZE		0x380UL
 #define MAXIMUM_PHYSICAL_BLOCKSIZE	0x1000UL
 
-#define STAGE3_HEAP_SIZE		0x4000UL
-#define STAGE3_HEAP_ADDRESS		0x2000UL
-#define STAGE3_STACK_SIZE		0x1000UL
-#define STAGE3_STACK_ADDRESS		0xF000UL
-#define STAGE3_PARAMS_ADDRESS		0x9000UL
-
 #define PSW_ADDRESS_MASK		0x000000007fffffffUL
 #define PSW_LOAD			0x0008000080000000UL
 #define PSW_DISABLED_WAIT		0x000a000000000000UL