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41 lines
1017 B
C++
41 lines
1017 B
C++
// Copyright 2008 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <array>
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#include "Common/CommonTypes.h"
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class PointerWrap;
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namespace PowerPC
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{
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constexpr u32 ICACHE_SETS = 128;
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constexpr u32 ICACHE_WAYS = 8;
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// size of an instruction cache block in words
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constexpr u32 ICACHE_BLOCK_SIZE = 8;
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constexpr u32 ICACHE_EXRAM_BIT = 0x10000000;
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constexpr u32 ICACHE_VMEM_BIT = 0x20000000;
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struct InstructionCache
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{
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std::array<std::array<std::array<u32, ICACHE_BLOCK_SIZE>, ICACHE_WAYS>, ICACHE_SETS> data{};
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std::array<std::array<u32, ICACHE_WAYS>, ICACHE_SETS> tags{};
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std::array<u32, ICACHE_SETS> plru{};
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std::array<u32, ICACHE_SETS> valid{};
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std::array<u8, 1 << 20> lookup_table{};
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std::array<u8, 1 << 21> lookup_table_ex{};
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std::array<u8, 1 << 20> lookup_table_vmem{};
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InstructionCache() = default;
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u32 ReadInstruction(u32 addr);
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void Invalidate(u32 addr);
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void Init();
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void Reset();
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void DoState(PointerWrap& p);
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};
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} // namespace PowerPC
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