arch/ia64/include/asm/sn/simulator.h

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  * Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
   6  */
   7
   8 #ifndef _ASM_IA64_SN_SIMULATOR_H
   9 #define _ASM_IA64_SN_SIMULATOR_H
  10
  11 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) || defined(CONFIG_IA64_SGI_UV)
  12 #define SNMAGIC 0xaeeeeeee8badbeefL
  13 #define IS_MEDUSA()                     ({long sn; asm("mov %0=cpuid[%1]" : "=r"(sn) : "r"(2)); sn == SNMAGIC;})
  14
  15 #define SIMULATOR_SLEEP()               asm("nop.i 0x8beef")
  16 #define IS_RUNNING_ON_SIMULATOR()       (sn_prom_type)
  17 #define IS_RUNNING_ON_FAKE_PROM()       (sn_prom_type == 2)
  18 extern int sn_prom_type;                /* 0=hardware, 1=medusa/realprom, 2=medusa/fakeprom */
  19 #else
  20 #define IS_MEDUSA()                     0
  21 #define SIMULATOR_SLEEP()
  22 #define IS_RUNNING_ON_SIMULATOR()       0
  23 #endif
  24
  25 #endif /* _ASM_IA64_SN_SIMULATOR_H */