1 files changed, 7 insertions, 6 deletions

diff --git a/include/asm-ia64/sn/simulator.h b/include/asm-ia64/sn/simulator.h
index 78eb4f869c8b..cf770e246af5 100644
--- a/include/asm-ia64/sn/simulator.h
+++ b/include/asm-ia64/sn/simulator.h
@@ -10,16 +10,17 @@
 
 #include <linux/config.h>
 
-#ifdef CONFIG_IA64_SGI_SN_SIM
-
 #define SNMAGIC 0xaeeeeeee8badbeefL
-#define IS_RUNNING_ON_SIMULATOR() ({long sn; asm("mov %0=cpuid[%1]" : "=r"(sn) : "r"(2)); sn == SNMAGIC;})
-
-#define SIMULATOR_SLEEP()       asm("nop.i 0x8beef")
+#define IS_MEDUSA()                     ({long sn; asm("mov %0=cpuid[%1]" : "=r"(sn) : "r"(2)); sn == SNMAGIC;})
 
+#ifdef CONFIG_IA64_SGI_SN_SIM
+#define SIMULATOR_SLEEP()               asm("nop.i 0x8beef")
+#define IS_RUNNING_ON_SIMULATOR()       (sn_prom_type)
+#define IS_RUNNING_ON_FAKE_PROM()       (sn_prom_type == 2)
+extern int sn_prom_type;                /* 0=hardware, 1=medusa/realprom, 2=medusa/fakeprom */
 #else
-
 #define IS_RUNNING_ON_SIMULATOR()       (0)
+#define IS_RUNNING_ON_FAKE_PROM()       (0)
 #define SIMULATOR_SLEEP()
 
 #endif