NetBSD/sys/arch/x86/include/cpuvar.h

150 lines
5.0 KiB
C

/* $NetBSD: cpuvar.h,v 1.31 2009/10/02 18:50:03 jmcneill Exp $ */
/*-
* Copyright (c) 2000, 2007 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by RedBack Networks Inc.
*
* Author: Bill Sommerfeld
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 1999 Stefan Grefen
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR AND CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _X86_CPUVAR_H_
#define _X86_CPUVAR_H_
struct cpu_functions {
int (*start)(struct cpu_info *, paddr_t);
int (*stop)(struct cpu_info *);
void (*cleanup)(struct cpu_info *);
};
extern const struct cpu_functions mp_cpu_funcs;
#define CPU_ROLE_SP 0
#define CPU_ROLE_BP 1
#define CPU_ROLE_AP 2
struct cpu_attach_args {
int cpu_number;
int cpu_role;
const struct cpu_functions *cpu_func;
};
#ifdef _KERNEL
#if defined(_KERNEL_OPT)
#include "opt_multiprocessor.h"
#include "opt_enhanced_speedstep.h"
#ifndef XEN
#include "opt_intel_coretemp.h"
#include "opt_intel_odcm.h"
#include "opt_via_c7temp.h"
#endif
#endif /* defined(_KERNEL_OPT) */
#ifdef MULTIPROCESSOR
extern uint32_t cpus_running;
#endif
int x86_ipi(int, int, int);
void x86_self_ipi(int);
int x86_ipi_init(int);
int x86_ipi_startup(int, int);
void x86_errata(void);
void identifycpu(struct cpu_info *);
void identifycpu_cpuids(struct cpu_info *);
void cpu_init(struct cpu_info *);
void cpu_init_tss(struct cpu_info *);
void cpu_init_first(void);
void x86_cpu_idle_init(void);
void x86_cpu_idle_halt(void);
void x86_cpu_idle_mwait(void);
#ifdef XEN
void x86_cpu_idle_xen(void);
#endif
#ifdef VIA_C7TEMP
void viac7temp_register(struct cpu_info *);
#endif
#ifdef INTEL_CORETEMP
void coretemp_register(struct cpu_info *);
#endif
#ifdef INTEL_ONDEMAND_CLOCKMOD
void clockmod_init(void);
#endif
#ifdef ENHANCED_SPEEDSTEP
void est_init(int);
int via_get_bus_clock(struct cpu_info *);
int viac7_get_bus_clock(struct cpu_info *);
int p3_get_bus_clock(struct cpu_info *);
int p4_get_bus_clock(struct cpu_info *);
#endif
void cpu_get_tsc_freq(struct cpu_info *);
extern int cpu_vendor;
extern bool x86_mp_online;
#endif
#endif /* !_X86_CPUVAR_H_ */