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