/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_CPU_H
#define _SYS_CPU_H
/*
* WARNING:
* This header file is Obsolete and may be deleted in a
* future release of Solaris.
*/
/*
* Include generic bustype cookies.
*/
#include <sys/bustypes.h>
#include <sys/inttypes.h>
#if defined(_KERNEL)
#if defined(__xpv)
#include <sys/hypervisor.h>
#endif
#if defined(__GNUC__) && defined(_ASM_INLINES)
#include <asm/cpu.h>
#endif
#endif /* _KERNEL */
#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);
extern void i86_monitor(volatile uint32_t *addr, uint32_t extensions,
uint32_t hints);
extern void i86_mwait(uint32_t data, uint32_t extensions);
/*
* Used to insert cpu-dependent instructions into spin loops
*/
#define SMT_PAUSE() ht_pause()
/*
*
* C-state defines for the idle_state_transition DTrace probe
*
* The probe fires when the CPU undergoes an idle state change (e.g. C-state)
* The argument passed is the C-state to which the CPU is transitioning.
*
* These states will be shared by cpupm subsystem, so they should be kept in
* consistence with ACPI defined C states.
*/
#define IDLE_STATE_C0 0
#define IDLE_STATE_C1 1
#define IDLE_STATE_C2 2
#define IDLE_STATE_C3 3
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_CPU_H */