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`cpu_data(cpu)` evaluates to a `struct cpuinfo_x86` filled with attributes of the given CPU number. The CPU number is an index in the `__cpu_data[]` array with MAXCPU entries. On FreeBSD, we simply initialize all of them like we do with `boot_cpu_data`. While here, we add the `x86_model` field to the `struct cpuinfo_x86`. We use `CPUID_TO_MODEL()` to set it. At the same time, we fix the value of `x86` which should have been set to the CPU family. It was using the same implementation as `CPUID_TO_MODEL()` before. It now uses `CPUID_TO_FAMILY()`. Reviewed by: manu Approved by: manu Differential Revision: https://reviews.freebsd.org/D38542
50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2021 Vladimir Kondratyev <wulf@FreeBSD.org>
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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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*
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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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LINUXKPI_ASM_PROCESSOR_H_
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#define _LINUXKPI_ASM_PROCESSOR_H_
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#include <sys/types.h>
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#include <machine/cpufunc.h>
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#include <machine/cpu.h>
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#if defined(__i386__) || defined(__amd64__)
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struct cpuinfo_x86 {
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uint8_t x86;
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uint8_t x86_model;
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uint16_t x86_clflush_size;
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uint16_t x86_max_cores;
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};
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extern struct cpuinfo_x86 boot_cpu_data;
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extern struct cpuinfo_x86 __cpu_data[];
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#define cpu_data(cpu) __cpu_data[cpu]
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#endif
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#define cpu_relax() cpu_spinwait()
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#endif /* _LINUXKPI_ASM_PROCESSOR_H_ */
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