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Annotation of sys/arch/i386/include/cpuvar.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: cpuvar.h,v 1.2 2004/06/13 21:49:16 niklas Exp $       */
        !             2: /* $NetBSD: cpuvar.h,v 1.1.2.3 2000/02/21 18:54:07 sommerfeld 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:        int cpu_signature;
        !            92:        int feature_flags;
        !            93: };
        !            94:
        !            95: #define MP_PICMODE     0x00000001      /* System booted in picmode */
        !            96:
        !            97: #ifdef _KERNEL
        !            98:
        !            99: int i386_ipi(int,int,int);
        !           100: void i386_self_ipi(int);
        !           101: int i386_ipi_init(int);
        !           102:
        !           103: void identifycpu(struct cpu_info *);
        !           104: void cpu_init(struct cpu_info *);
        !           105: void cpu_init_first(void);
        !           106:
        !           107: #endif
        !           108: