133 lines
4.6 KiB
C
133 lines
4.6 KiB
C
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/* $NetBSD: cpuvar.h,v 1.46 2012/04/20 22:23:24 rmind Exp $ */
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/*-
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* Copyright (c) 2000, 2007 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by RedBack Networks Inc.
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*
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* Author: Bill Sommerfeld
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1999 Stefan Grefen
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR AND CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _X86_CPUVAR_H_
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#define _X86_CPUVAR_H_
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struct cpu_functions {
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#ifndef XEN
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int (*start)(struct cpu_info *, paddr_t);
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#else /* XEN */
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int (*start)(struct cpu_info *, vaddr_t);
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#endif /* XEN */
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int (*stop)(struct cpu_info *);
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void (*cleanup)(struct cpu_info *);
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};
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extern const struct cpu_functions mp_cpu_funcs;
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#define CPU_ROLE_SP 0
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#define CPU_ROLE_BP 1
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#define CPU_ROLE_AP 2
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struct cpu_attach_args {
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int cpu_id;
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int cpu_number;
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int cpu_role;
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const struct cpu_functions *cpu_func;
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};
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struct cpufeature_attach_args {
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struct cpu_info *ci;
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const char *name;
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};
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#ifdef _KERNEL
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#include <sys/kcpuset.h>
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#if defined(_KERNEL_OPT)
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#include "opt_multiprocessor.h"
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#endif /* defined(_KERNEL_OPT) */
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int x86_ipi(int, int, int);
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void x86_self_ipi(int);
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int x86_ipi_init(int);
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int x86_ipi_startup(int, int);
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void x86_errata(void);
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void identifycpu(struct cpu_info *);
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void identifycpu_cpuids(struct cpu_info *);
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void cpu_init(struct cpu_info *);
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void cpu_init_tss(struct cpu_info *);
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void cpu_init_first(void);
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void x86_cpu_idle_init(void);
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void x86_cpu_idle_halt(void);
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void x86_cpu_idle_mwait(void);
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#ifdef XEN
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void x86_cpu_idle_xen(void);
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#endif
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void cpu_get_tsc_freq(struct cpu_info *);
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void pat_init(struct cpu_info *);
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extern int cpu_vendor;
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extern bool x86_mp_online;
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extern uint32_t cpu_feature[5];
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#endif /* _KERNEL */
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#endif /* !_X86_CPUVAR_H_ */
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