63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
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/**
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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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