fdb6a5cfa3
This is a regression in functionality and performance, but a much better foundation for the future of the project (I think). It can run basic apps under an SSA interpreter but doesn't support some of the features required to do real 360 apps yet.
63 lines
1.6 KiB
C++
63 lines
1.6 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 <alloy/core.h>
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namespace alloy {
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enum {
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MEMORY_FLAG_64KB_PAGES = (1 << 1),
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MEMORY_FLAG_ZERO = (1 << 2),
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MEMORY_FLAG_PHYSICAL = (1 << 3),
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};
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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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virtual int Initialize();
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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,
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const uint32_t* values, size_t value_count);
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virtual uint64_t HeapAlloc(
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uint64_t base_address, size_t size, uint32_t flags,
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uint32_t alignment = 0x20) = 0;
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virtual int HeapFree(uint64_t address, size_t size) = 0;
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virtual int Protect(uint64_t address, size_t size, uint32_t access) = 0;
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virtual uint32_t QueryProtect(uint64_t address) = 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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};
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} // namespace alloy
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#endif // ALLOY_MEMORY_H_
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