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Annotation of sys/arch/amd64/include/cpuvar.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: cpuvar.h,v 1.1 2004/01/28 01:39:39 mickey Exp $       */
                      2: /*     $NetBSD: cpuvar.h,v 1.1 2003/03/01 18:29:28 fvdl Exp $ */
                      3:
                      4: /*-
                      5:  * Copyright (c) 2000 The NetBSD Foundation, Inc.
                      6:  * All rights reserved.
                      7:  *
                      8:  * This code is derived from software contributed to The NetBSD Foundation
                      9:  * by RedBack Networks Inc.
                     10:  *
                     11:  * Author: Bill Sommerfeld
                     12:  *
                     13:  * Redistribution and use in source and binary forms, with or without
                     14:  * modification, are permitted provided that the following conditions
                     15:  * are met:
                     16:  * 1. Redistributions of source code must retain the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer.
                     18:  * 2. Redistributions in binary form must reproduce the above copyright
                     19:  *    notice, this list of conditions and the following disclaimer in the
                     20:  *    documentation and/or other materials provided with the distribution.
                     21:  * 3. All advertising materials mentioning features or use of this software
                     22:  *    must display the following acknowledgement:
                     23:  *        This product includes software developed by the NetBSD
                     24:  *        Foundation, Inc. and its contributors.
                     25:  * 4. Neither the name of The NetBSD Foundation nor the names of its
                     26:  *    contributors may be used to endorse or promote products derived
                     27:  *    from this software without specific prior written permission.
                     28:  *
                     29:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     30:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     31:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     32:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     33:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     34:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     35:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     36:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     37:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     38:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     39:  * POSSIBILITY OF SUCH DAMAGE.
                     40:  */
                     41:
                     42: /*
                     43:  * Copyright (c) 1999 Stefan Grefen
                     44:  *
                     45:  * Redistribution and use in source and binary forms, with or without
                     46:  * modification, are permitted provided that the following conditions
                     47:  * are met:
                     48:  * 1. Redistributions of source code must retain the above copyright
                     49:  *    notice, this list of conditions and the following disclaimer.
                     50:  * 2. Redistributions in binary form must reproduce the above copyright
                     51:  *    notice, this list of conditions and the following disclaimer in the
                     52:  *    documentation and/or other materials provided with the distribution.
                     53:  * 3. All advertising materials mentioning features or use of this software
                     54:  *    must display the following acknowledgement:
                     55:  *      This product includes software developed by the NetBSD
                     56:  *      Foundation, Inc. and its contributors.
                     57:  * 4. Neither the name of The NetBSD Foundation nor the names of its
                     58:  *    contributors may be used to endorse or promote products derived
                     59:  *    from this software without specific prior written permission.
                     60:  *
                     61:  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
                     62:  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     63:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     64:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR AND CONTRIBUTORS BE LIABLE
                     65:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     66:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     67:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     68:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     69:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     70:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     71:  * SUCH DAMAGE.
                     72:  */
                     73:
                     74: struct cpu_functions {
                     75:        int (*start)(struct cpu_info *);
                     76:        int (*stop)(struct cpu_info *);
                     77:        void (*cleanup)(struct cpu_info *);
                     78: };
                     79:
                     80: extern struct cpu_functions mp_cpu_funcs;
                     81:
                     82: #define CPU_ROLE_SP    0
                     83: #define CPU_ROLE_BP    1
                     84: #define CPU_ROLE_AP    2
                     85:
                     86: struct cpu_attach_args {
                     87:        const char *caa_name;
                     88:        int cpu_number;
                     89:        int cpu_role;
                     90:        struct cpu_functions *cpu_func;
                     91: };
                     92:
                     93: #define MP_PICMODE     0x00000001      /* System booted in picmode */
                     94:
                     95: #ifdef _KERNEL
                     96:
                     97: #ifdef MULTIPROCESSOR
                     98: extern u_int32_t cpus_running;
                     99: #endif
                    100:
                    101: int x86_ipi(int,int,int);
                    102: void x86_self_ipi(int);
                    103: int x86_ipi_init(int);
                    104:
                    105: void identifycpu(struct cpu_info *);
                    106: void cpu_init(struct cpu_info *);
                    107: void cpu_init_first(void);
                    108:
                    109: #endif