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Pure dynamic MMIO access. Prep for more complex GPU memory management.

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This commit is contained in:
Ben Vanik
2014-06-01 23:36:18 -07:00
parent 3a8065b7b1
commit 0e3854555d
19 changed files with 335 additions and 586 deletions
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37
src/xenia/cpu/xenon_memory.h
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@@ -15,33 +15,56 @@
#include <xenia/core.h>
typedef struct xe_ppc_state xe_ppc_state_t;
namespace xe {
namespace cpu {
class XenonMemoryHeap;
typedef uint64_t (*MMIOReadCallback)(void* context, uint64_t addr);
typedef void (*MMIOWriteCallback)(void* context, uint64_t addr,
uint64_t value);
class XenonMemory : public alloy::Memory {
public:
XenonMemory();
virtual ~XenonMemory();
virtual int Initialize();
int Initialize() override;
virtual uint64_t HeapAlloc(
bool AddMappedRange(uint64_t address, uint64_t mask,
uint64_t size,
void* context,
MMIOReadCallback read_callback = nullptr,
MMIOWriteCallback write_callback = nullptr);
uint8_t LoadI8(uint64_t address) override;
uint16_t LoadI16(uint64_t address) override;
uint32_t LoadI32(uint64_t address) override;
uint64_t LoadI64(uint64_t address) override;
void StoreI8(uint64_t address, uint8_t value) override;
void StoreI16(uint64_t address, uint16_t value) override;
void StoreI32(uint64_t address, uint32_t value) override;
void StoreI64(uint64_t address, uint64_t value) override;
uint64_t HeapAlloc(
uint64_t base_address, size_t size, uint32_t flags,
uint32_t alignment = 0x20);
virtual int HeapFree(uint64_t address, size_t size);
uint32_t alignment = 0x20) override;
int HeapFree(uint64_t address, size_t size) override;
virtual size_t QuerySize(uint64_t base_address);
size_t QuerySize(uint64_t base_address) override;
virtual int Protect(uint64_t address, size_t size, uint32_t access);
virtual uint32_t QueryProtect(uint64_t address);
int Protect(uint64_t address, size_t size, uint32_t access) override;
uint32_t QueryProtect(uint64_t address) override;
private:
int MapViews(uint8_t* mapping_base);
void UnmapViews();
bool CheckMMIOLoad(uint64_t address, uint64_t* out_value);
bool CheckMMIOStore(uint64_t address, uint64_t value);
private:
HANDLE mapping_;
uint8_t* mapping_base_;