1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_CPU_H 27 #define _SYS_CPU_H 28 29 /* 30 * WARNING: 31 * This header file is Obsolete and may be deleted in a 32 * future release of Solaris. 33 */ 34 35 /* 36 * Include generic bustype cookies. 37 */ 38 #include <sys/bustypes.h> 39 #include <sys/inttypes.h> 40 41 #if defined(_KERNEL) 42 #if defined(__xpv) 43 #include <sys/hypervisor.h> 44 #endif 45 #if defined(__GNUC__) && defined(_ASM_INLINES) 46 #include <asm/cpu.h> 47 #endif 48 #endif /* _KERNEL */ 49 50 #ifdef __cplusplus 51 extern "C" { 52 #endif 53 54 #if defined(_KERNEL) 55 extern void ht_pause(void); 56 extern void cli(void); 57 extern void sti(void); 58 extern void i86_halt(void); 59 extern void i86_monitor(volatile uint32_t *addr, uint32_t extensions, 60 uint32_t hints); 61 extern void i86_mwait(uint32_t data, uint32_t extensions); 62 63 /* 64 * Used to insert cpu-dependent instructions into spin loops 65 */ 66 #define SMT_PAUSE() ht_pause() 67 68 /* 69 * 70 * C-state defines for the idle_state_transition DTrace probe 71 * 72 * The probe fires when the CPU undergoes an idle state change (e.g. C-state) 73 * The argument passed is the C-state to which the CPU is transitioning. 74 * 75 * These states will be shared by cpupm subsystem, so they should be kept in 76 * consistence with ACPI defined C states. 77 */ 78 #define IDLE_STATE_C0 0 79 #define IDLE_STATE_C1 1 80 #define IDLE_STATE_C2 2 81 #define IDLE_STATE_C3 3 82 83 #endif /* _KERNEL */ 84 85 #ifdef __cplusplus 86 } 87 #endif 88 89 #endif /* _SYS_CPU_H */ 90