From bbe57a66cad1b4159f351bf55f84c97040b04753 Mon Sep 17 00:00:00 2001 From: James Rowe Date: Thu, 24 Nov 2016 12:42:32 -0700 Subject: Expose page table to dynarmic for optimized reads and writes to the JIT --- src/core/memory.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'src/core/memory.h') diff --git a/src/core/memory.h b/src/core/memory.h index 8fd3080ff..903b58a22 100644 --- a/src/core/memory.h +++ b/src/core/memory.h @@ -4,6 +4,7 @@ #pragma once +#include #include #include #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* GetCurrentPageTablePointers(); } -- cgit v1.2.3