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44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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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<u32, 255> way_from_valid;
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std::array<u32, 128> way_from_plru;
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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();
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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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