2 files changed, 3 insertions, 0 deletions
diff --git a/src/fw/paravirt.c b/src/fw/paravirt.c
index e5d4eca0..fbd00f1c 100644
--- a/src/fw/paravirt.c
+++ b/src/fw/paravirt.c
@@ -36,6 +36,8 @@ u64 RamSizeOver4G;
 u8 CPUPhysBits;
 // 64bit processor
 u8 CPULongMode;
+// memory layout hint (32bit or 64bit guests).
+u8 GuestHint = 32;
 // Type of emulator platform.
 int PlatformRunningOn VARFSEG;
 // cfg enabled
diff --git a/src/fw/paravirt.h b/src/fw/paravirt.h
index 62a2cd07..cf28528e 100644
--- a/src/fw/paravirt.h
+++ b/src/fw/paravirt.h
@@ -33,6 +33,7 @@ extern u64 RamSizeOver4G;
 extern int PlatformRunningOn;
 extern u8 CPUPhysBits;
 extern u8 CPULongMode;
+extern u8 GuestHint;
 
 static inline int runningOnQEMU(void) {
     return CONFIG_QEMU || (