86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2013 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#ifndef ALLOY_MEMORY_H_
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#define ALLOY_MEMORY_H_
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#include <cstdint>
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#include <vector>
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namespace alloy {
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class Memory {
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public:
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Memory();
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virtual ~Memory();
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inline uint8_t* membase() const { return membase_; }
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inline uint8_t* Translate(uint64_t guest_address) const {
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return membase_ + guest_address;
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};
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inline uint64_t* reserve_address() { return &reserve_address_; }
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// TODO(benvanik): remove with GPU refactor.
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virtual uint64_t page_table() const = 0;
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uint64_t trace_base() const { return trace_base_; }
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void set_trace_base(uint64_t value) { trace_base_ = value; }
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virtual int Initialize();
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// TODO(benvanik): make poly memory utils for these.
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void Zero(uint64_t address, size_t size);
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void Fill(uint64_t address, size_t size, uint8_t value);
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void Copy(uint64_t dest, uint64_t src, size_t size);
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uint64_t SearchAligned(uint64_t start, uint64_t end, const uint32_t* values,
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size_t value_count);
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// TODO(benvanik): remove with IVM.
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virtual uint8_t LoadI8(uint64_t address) = 0;
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virtual uint16_t LoadI16(uint64_t address) = 0;
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virtual uint32_t LoadI32(uint64_t address) = 0;
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virtual uint64_t LoadI64(uint64_t address) = 0;
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virtual void StoreI8(uint64_t address, uint8_t value) = 0;
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virtual void StoreI16(uint64_t address, uint16_t value) = 0;
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virtual void StoreI32(uint64_t address, uint32_t value) = 0;
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virtual void StoreI64(uint64_t address, uint64_t value) = 0;
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protected:
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size_t system_page_size_;
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uint8_t* membase_;
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uint64_t reserve_address_;
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uint64_t trace_base_;
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};
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class SimpleMemory : public Memory {
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public:
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SimpleMemory(size_t capacity);
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~SimpleMemory() override;
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uint64_t page_table() const override { return 0; }
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// TODO(benvanik): remove with IVM.
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uint8_t LoadI8(uint64_t address) override;
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uint16_t LoadI16(uint64_t address) override;
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uint32_t LoadI32(uint64_t address) override;
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uint64_t LoadI64(uint64_t address) override;
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void StoreI8(uint64_t address, uint8_t value) override;
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void StoreI16(uint64_t address, uint16_t value) override;
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void StoreI32(uint64_t address, uint32_t value) override;
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void StoreI64(uint64_t address, uint64_t value) override;
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private:
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std::vector<uint8_t> memory_;
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};
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} // namespace alloy
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#endif // ALLOY_MEMORY_H_
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