/*
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_CPU_H
#define	_SYS_CPU_H

#pragma ident	"@(#)cpu.h	1.11	04/09/28 SMI"

/*
 * WARNING:
 *	This header file is Obsolete and may be deleted in a
 *	future release of Solaris.
 */

/*
 * Include generic bustype cookies.
 */
#include <sys/bustypes.h>
#if defined(__GNUC__) && defined(_ASM_INLINES) && defined(_KERNEL)
#include <asm/cpu.h>
#endif

#ifdef	__cplusplus
extern "C" {
#endif

#if defined(_KERNEL)
extern void ht_pause(void);
extern void cli(void);
extern void sti(void);
extern void i86_halt(void);

/*
 * Used to insert cpu-dependent instructions into spin loops
 */
#define	SMT_PAUSE()		ht_pause()

#endif	/* _KERNEL */

#ifdef	__cplusplus
}
#endif

#endif	/* _SYS_CPU_H */
