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			73 lines
		
	
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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|  * Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/Types.h>
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| #include <Kernel/KString.h>
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| 
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| #include <AK/Platform.h>
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| VALIDATE_IS_X86()
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| 
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| namespace Kernel {
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| 
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| class Processor;
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| 
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| class ProcessorInfo {
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| public:
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|     ProcessorInfo(Processor const& processor);
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| 
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|     struct Cache {
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|         u64 size;
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|         u64 line_size;
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|     };
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| 
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|     StringView vendor_id_string() const { return m_vendor_id_string->view(); }
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|     StringView hypervisor_vendor_id_string() const { return m_hypervisor_vendor_id_string->view(); }
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|     StringView brand_string() const { return m_brand_string->view(); }
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|     StringView features_string() const { return m_features_string->view(); }
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|     u32 display_model() const { return m_display_model; }
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|     u32 display_family() const { return m_display_family; }
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|     u32 stepping() const { return m_stepping; }
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|     u32 type() const { return m_type; }
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|     u32 apic_id() const { return m_apic_id; }
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|     Optional<Cache> const& l1_data_cache() const { return m_l1_data_cache; }
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|     Optional<Cache> const& l1_instruction_cache() const { return m_l1_instruction_cache; }
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|     Optional<Cache> const& l2_cache() const { return m_l2_cache; }
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|     Optional<Cache> const& l3_cache() const { return m_l3_cache; }
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| 
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|     void set_apic_id(u32 apic_id) { m_apic_id = apic_id; }
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| 
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|     static constexpr StringView s_amd_vendor_id = "AuthenticAMD"sv;
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|     static constexpr StringView s_intel_vendor_id = "GenuineIntel"sv;
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| 
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| private:
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|     static NonnullOwnPtr<KString> build_vendor_id_string();
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|     static NonnullOwnPtr<KString> build_hypervisor_vendor_id_string(Processor const&);
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|     static NonnullOwnPtr<KString> build_brand_string();
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|     static NonnullOwnPtr<KString> build_features_string(Processor const&);
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| 
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|     void populate_cache_sizes_amd();
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|     void populate_cache_sizes_intel();
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| 
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|     NonnullOwnPtr<KString> m_vendor_id_string;
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|     NonnullOwnPtr<KString> m_hypervisor_vendor_id_string;
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|     NonnullOwnPtr<KString> m_brand_string;
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|     NonnullOwnPtr<KString> m_features_string;
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|     u32 m_display_model { 0 };
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|     u32 m_display_family { 0 };
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|     u32 m_stepping { 0 };
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|     u32 m_type { 0 };
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|     u32 m_apic_id { 0 };
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| 
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|     Optional<Cache> m_l1_data_cache;
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|     Optional<Cache> m_l1_instruction_cache;
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|     Optional<Cache> m_l2_cache;
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|     Optional<Cache> m_l3_cache;
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| };
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| 
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| }
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