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Expose page table to dynarmic for optimized reads and writes to the JIT

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This commit is contained in:
James Rowe
2016-11-24 12:42:32 -07:00
parent 82210ab480
commit bbe57a66ca
3 changed files with 18 additions and 6 deletions
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9
src/core/memory.h
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@ -4,6 +4,7 @@
#pragma once
#include <array>
#include <cstddef>
#include <string>
#include "common/common_types.h"
@ -17,6 +18,7 @@ namespace Memory {
const u32 PAGE_SIZE = 0x1000;
const u32 PAGE_MASK = PAGE_SIZE - 1;
const int PAGE_BITS = 12;
const size_t PAGE_TABLE_NUM_ENTRIES = 1 << (32 - PAGE_BITS);
/// Physical memory regions as seen from the ARM11
enum : PAddr {
@ -166,4 +168,11 @@ void RasterizerFlushRegion(PAddr start, u32 size);
* Flushes and invalidates any externally cached rasterizer resources touching the given region.
*/
void RasterizerFlushAndInvalidateRegion(PAddr start, u32 size);
/**
* Dynarmic has an optimization to memory accesses when the pointer to the page exists that
* can be used by setting up the current page table as a callback. This function is used to
* retrieve the current page table for that purpose.
*/
std::array<u8*, PAGE_TABLE_NUM_ENTRIES>* GetCurrentPageTablePointers();
}