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linux/include/asm-ia64/sn/simulator.h
Jack Steiner 71a5d027c9 [IA64-SGI] - new macros for SGI SN simulator
This patch changes some macros that are used when running kernel on the
SGI simulator.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-06-28 09:45:45 -07:00

29 lines
896 B
C

/*
* 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
#include <linux/config.h>
#define SNMAGIC 0xaeeeeeee8badbeefL
#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
#endif /* _ASM_IA64_SN_SIMULATOR_H */