root / lab4 / .minix-src / include / x86 / cpuvar.h @ 13
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1 | 13 | up20180614 | /* $NetBSD: cpuvar.h,v 1.46 2012/04/20 22:23:24 rmind Exp $ */
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2 | |||
3 | /*-
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4 | * Copyright (c) 2000, 2007 The NetBSD Foundation, Inc.
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5 | * All rights reserved.
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6 | *
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7 | * This code is derived from software contributed to The NetBSD Foundation
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8 | * by RedBack Networks Inc.
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9 | *
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10 | * Author: Bill Sommerfeld
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11 | *
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12 | * Redistribution and use in source and binary forms, with or without
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13 | * modification, are permitted provided that the following conditions
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14 | * are met:
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15 | * 1. Redistributions of source code must retain the above copyright
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16 | * notice, this list of conditions and the following disclaimer.
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17 | * 2. Redistributions in binary form must reproduce the above copyright
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18 | * notice, this list of conditions and the following disclaimer in the
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19 | * documentation and/or other materials provided with the distribution.
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20 | *
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21 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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22 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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23 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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24 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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31 | * POSSIBILITY OF SUCH DAMAGE.
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32 | */
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33 | |||
34 | /*
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35 | * Copyright (c) 1999 Stefan Grefen
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36 | *
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37 | * Redistribution and use in source and binary forms, with or without
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38 | * modification, are permitted provided that the following conditions
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39 | * are met:
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40 | * 1. Redistributions of source code must retain the above copyright
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41 | * notice, this list of conditions and the following disclaimer.
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42 | * 2. Redistributions in binary form must reproduce the above copyright
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43 | * notice, this list of conditions and the following disclaimer in the
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44 | * documentation and/or other materials provided with the distribution.
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45 | * 3. All advertising materials mentioning features or use of this software
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46 | * must display the following acknowledgement:
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47 | * This product includes software developed by the NetBSD
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48 | * Foundation, Inc. and its contributors.
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49 | * 4. Neither the name of The NetBSD Foundation nor the names of its
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50 | * contributors may be used to endorse or promote products derived
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51 | * from this software without specific prior written permission.
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52 | *
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53 | * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
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54 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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55 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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56 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR AND CONTRIBUTORS BE LIABLE
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57 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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58 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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59 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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60 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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61 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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62 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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63 | * SUCH DAMAGE.
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64 | */
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65 | |||
66 | #ifndef _X86_CPUVAR_H_
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67 | #define _X86_CPUVAR_H_
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68 | |||
69 | struct cpu_functions {
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70 | #ifndef XEN
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71 | int (*start)(struct cpu_info *, paddr_t); |
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72 | #else /* XEN */ |
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73 | int (*start)(struct cpu_info *, vaddr_t); |
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74 | #endif /* XEN */ |
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75 | int (*stop)(struct cpu_info *); |
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76 | void (*cleanup)(struct cpu_info *); |
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77 | }; |
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78 | |||
79 | extern const struct cpu_functions mp_cpu_funcs; |
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80 | |||
81 | #define CPU_ROLE_SP 0 |
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82 | #define CPU_ROLE_BP 1 |
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83 | #define CPU_ROLE_AP 2 |
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84 | |||
85 | struct cpu_attach_args {
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86 | int cpu_id;
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87 | int cpu_number;
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88 | int cpu_role;
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89 | const struct cpu_functions *cpu_func; |
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90 | }; |
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91 | |||
92 | struct cpufeature_attach_args {
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93 | struct cpu_info *ci;
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94 | const char *name; |
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95 | }; |
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96 | |||
97 | #ifdef _KERNEL
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98 | #include <sys/kcpuset.h> |
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99 | #if defined(_KERNEL_OPT)
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100 | #include "opt_multiprocessor.h" |
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101 | #endif /* defined(_KERNEL_OPT) */ |
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102 | |||
103 | int x86_ipi(int, int, int); |
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104 | void x86_self_ipi(int); |
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105 | int x86_ipi_init(int); |
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106 | int x86_ipi_startup(int, int); |
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107 | void x86_errata(void); |
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108 | |||
109 | void identifycpu(struct cpu_info *); |
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110 | void identifycpu_cpuids(struct cpu_info *); |
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111 | void cpu_init(struct cpu_info *); |
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112 | void cpu_init_tss(struct cpu_info *); |
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113 | void cpu_init_first(void); |
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114 | |||
115 | void x86_cpu_idle_init(void); |
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116 | void x86_cpu_idle_halt(void); |
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117 | void x86_cpu_idle_mwait(void); |
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118 | #ifdef XEN
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119 | void x86_cpu_idle_xen(void); |
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120 | #endif
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121 | |||
122 | void cpu_get_tsc_freq(struct cpu_info *); |
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123 | void pat_init(struct cpu_info *); |
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124 | |||
125 | extern int cpu_vendor; |
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126 | extern bool x86_mp_online; |
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127 | |||
128 | extern uint32_t cpu_feature[5]; |
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129 | |||
130 | #endif /* _KERNEL */ |
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131 | |||
132 | #endif /* !_X86_CPUVAR_H_ */ |