10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 54481Sbholler * Common Development and Distribution License (the "License"). 64481Sbholler * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 210Sstevel@tonic-gate /* 22*5864Sesaxe * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 230Sstevel@tonic-gate * Use is subject to license terms. 240Sstevel@tonic-gate */ 250Sstevel@tonic-gate 260Sstevel@tonic-gate #ifndef _SYS_CPU_H 270Sstevel@tonic-gate #define _SYS_CPU_H 280Sstevel@tonic-gate 290Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 300Sstevel@tonic-gate 310Sstevel@tonic-gate /* 320Sstevel@tonic-gate * WARNING: 330Sstevel@tonic-gate * This header file is Obsolete and may be deleted in a 340Sstevel@tonic-gate * future release of Solaris. 350Sstevel@tonic-gate */ 360Sstevel@tonic-gate 370Sstevel@tonic-gate /* 380Sstevel@tonic-gate * Include generic bustype cookies. 390Sstevel@tonic-gate */ 400Sstevel@tonic-gate #include <sys/bustypes.h> 414481Sbholler #include <sys/inttypes.h> 425084Sjohnlev 435084Sjohnlev #if defined(_KERNEL) 445084Sjohnlev #if defined(__xpv) 455084Sjohnlev #include <sys/hypervisor.h> 465084Sjohnlev #endif 475084Sjohnlev #if defined(__GNUC__) && defined(_ASM_INLINES) 480Sstevel@tonic-gate #include <asm/cpu.h> 490Sstevel@tonic-gate #endif 505084Sjohnlev #endif /* _KERNEL */ 510Sstevel@tonic-gate 520Sstevel@tonic-gate #ifdef __cplusplus 530Sstevel@tonic-gate extern "C" { 540Sstevel@tonic-gate #endif 550Sstevel@tonic-gate 560Sstevel@tonic-gate #if defined(_KERNEL) 570Sstevel@tonic-gate extern void ht_pause(void); 580Sstevel@tonic-gate extern void cli(void); 590Sstevel@tonic-gate extern void sti(void); 600Sstevel@tonic-gate extern void i86_halt(void); 614481Sbholler extern void i86_monitor(volatile uint32_t *addr, uint32_t extensions, 624481Sbholler uint32_t hints); 634481Sbholler extern void i86_mwait(uint32_t data, uint32_t extensions); 640Sstevel@tonic-gate 650Sstevel@tonic-gate /* 660Sstevel@tonic-gate * Used to insert cpu-dependent instructions into spin loops 670Sstevel@tonic-gate */ 685084Sjohnlev #if defined(__xpv) 695084Sjohnlev extern int xpv_panicking; 705084Sjohnlev #define SMT_PAUSE() \ 715084Sjohnlev { \ 725084Sjohnlev if (IN_XPV_PANIC()) \ 735084Sjohnlev ht_pause(); \ 745084Sjohnlev else \ 755084Sjohnlev (void) HYPERVISOR_yield(); \ 765084Sjohnlev } 775084Sjohnlev 785084Sjohnlev #else 790Sstevel@tonic-gate #define SMT_PAUSE() ht_pause() 805084Sjohnlev #endif 810Sstevel@tonic-gate 82*5864Sesaxe /* 83*5864Sesaxe * 84*5864Sesaxe * C-state defines for the idle_state_transition DTrace probe 85*5864Sesaxe * 86*5864Sesaxe * The probe fires when the CPU undergoes an idle state change (e.g. C-state) 87*5864Sesaxe * The agument passed is the C-state to which the CPU is transitioning. 88*5864Sesaxe * 89*5864Sesaxe * The states are defined here. 90*5864Sesaxe */ 91*5864Sesaxe #define IDLE_STATE_C0 0 92*5864Sesaxe #define IDLE_STATE_C1 1 93*5864Sesaxe 940Sstevel@tonic-gate #endif /* _KERNEL */ 950Sstevel@tonic-gate 960Sstevel@tonic-gate #ifdef __cplusplus 970Sstevel@tonic-gate } 980Sstevel@tonic-gate #endif 990Sstevel@tonic-gate 1000Sstevel@tonic-gate #endif /* _SYS_CPU_H */ 101