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Diffstat (limited to 'arch/ia64/include/asm/sn/simulator.h')
-rw-r--r--arch/ia64/include/asm/sn/simulator.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/sn/simulator.h b/arch/ia64/include/asm/sn/simulator.h
new file mode 100644
index 00000000000..c2611f6cfe3
--- /dev/null
+++ b/arch/ia64/include/asm/sn/simulator.h
@@ -0,0 +1,25 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ * Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
+ */
+
+#ifndef _ASM_IA64_SN_SIMULATOR_H
+#define _ASM_IA64_SN_SIMULATOR_H
+
+#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) || defined(CONFIG_IA64_SGI_UV)
+#define SNMAGIC 0xaeeeeeee8badbeefL
+#define IS_MEDUSA() ({long sn; asm("mov %0=cpuid[%1]" : "=r"(sn) : "r"(2)); sn == SNMAGIC;})
+
+#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_MEDUSA() 0
+#define SIMULATOR_SLEEP()
+#define IS_RUNNING_ON_SIMULATOR() 0
+#endif
+
+#endif /* _ASM_IA64_SN_SIMULATOR_H */