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57 lines
988 B
C
57 lines
988 B
C
// SPDX-License-Identifier: GPL-2.0
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#ifndef CPUINFO_H
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#define CPUINFO_H
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/**
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* \file
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*
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* Provides information about the CPU type, clock speed and cache sizes.
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*
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*//*
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* Copyright (C) 2020-2022 Martin Whitaker.
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*/
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#include <stdbool.h>
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#include <stdint.h>
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/**
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* A string identifying the CPU make and model.
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*/
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extern const char *cpu_model;
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/**
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* A number identifying the integrated memory controller type.
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*/
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extern uint32_t imc_type;
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/**
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* The size of the L1 cache in KB.
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*/
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extern int l1_cache;
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/**
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* The size of the L2 cache in KB.
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*/
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extern int l2_cache;
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/**
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* The size of the L3 cache in KB.
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*/
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extern int l3_cache;
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/**
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* A flag indicating that we can't read the core temperature on this CPU.
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*/
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extern bool no_temperature;
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/**
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* The TSC clock speed in kHz. Assumed to be the nominal CPU clock speed.
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*/
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extern uint32_t clks_per_msec;
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/**
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* Determines the CPU info and stores it in the exported variables.
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*/
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void cpuinfo_init(void);
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#endif // CPUINFO_H
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