71a5d027c9
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>
29 lines
896 B
C
29 lines
896 B
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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* Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
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*/
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#ifndef _ASM_IA64_SN_SIMULATOR_H
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#define _ASM_IA64_SN_SIMULATOR_H
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#include <linux/config.h>
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#define SNMAGIC 0xaeeeeeee8badbeefL
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#define IS_MEDUSA() ({long sn; asm("mov %0=cpuid[%1]" : "=r"(sn) : "r"(2)); sn == SNMAGIC;})
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#ifdef CONFIG_IA64_SGI_SN_SIM
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#define SIMULATOR_SLEEP() asm("nop.i 0x8beef")
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#define IS_RUNNING_ON_SIMULATOR() (sn_prom_type)
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#define IS_RUNNING_ON_FAKE_PROM() (sn_prom_type == 2)
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extern int sn_prom_type; /* 0=hardware, 1=medusa/realprom, 2=medusa/fakeprom */
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#else
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#define IS_RUNNING_ON_SIMULATOR() (0)
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#define IS_RUNNING_ON_FAKE_PROM() (0)
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#define SIMULATOR_SLEEP()
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#endif
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#endif /* _ASM_IA64_SN_SIMULATOR_H */
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