1 files changed, 83 insertions, 0 deletions

diff --git a/src/core/mem_map.cpp b/src/core/mem_map.cpp
new file mode 100644
index 000000000..96f77d32e
--- /dev/null
+++ b/src/core/mem_map.cpp
@@ -0,0 +1,83 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include "common.h"
+#include "mem_arena.h"
+
+#include "mem_map.h"
+#include "core.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace Memory {
+
+    
+u8*    g_base                   = NULL;         ///< The base pointer to the auto-mirrored arena.
+
+MemArena g_arena;                               ///< The MemArena class
+
+u8* g_bootrom                   = NULL;         ///< Bootrom physical memory
+u8* g_fcram                     = NULL;         ///< Main memory (FCRAM) pointer
+u8* g_vram                      = NULL;         ///< Video memory (VRAM) pointer
+u8* g_scratchpad                = NULL;         ///< Scratchpad memory - Used for main thread stack
+
+u8* g_physical_bootrom          = NULL;         ///< Bootrom physical memory
+u8* g_uncached_bootrom          = NULL;
+
+u8* g_physical_fcram            = NULL;         ///< Main physical memory (FCRAM)
+u8* g_physical_vram             = NULL;         ///< Video physical memory (VRAM)
+u8* g_physical_scratchpad       = NULL;         ///< Scratchpad memory used for main thread stack
+
+// We don't declare the IO region in here since its handled by other means.
+static MemoryView g_views[] = {
+    { &g_vram,  &g_physical_vram,   MEM_VRAM_VADDR,     MEM_VRAM_SIZE,  0 },
+    { &g_fcram, &g_physical_fcram,  MEM_FCRAM_VADDR,    MEM_FCRAM_SIZE, MV_IS_PRIMARY_RAM },
+};
+
+/*static MemoryView views[] =
+{
+    {&m_pScratchPad, &m_pPhysicalScratchPad,  0x00010000, SCRATCHPAD_SIZE, 0},
+    {NULL,           &m_pUncachedScratchPad,  0x40010000, SCRATCHPAD_SIZE, MV_MIRROR_PREVIOUS},
+    {&m_pVRAM,       &m_pPhysicalVRAM,        0x04000000, 0x00800000, 0},
+    {NULL,           &m_pUncachedVRAM,        0x44000000, 0x00800000, MV_MIRROR_PREVIOUS},
+    {&m_pRAM,        &m_pPhysicalRAM,         0x08000000, g_MemorySize, MV_IS_PRIMARY_RAM},    // only from 0x08800000 is it usable (last 24 megs)
+    {NULL,           &m_pUncachedRAM,         0x48000000, g_MemorySize, MV_MIRROR_PREVIOUS | MV_IS_PRIMARY_RAM},
+    {NULL,           &m_pKernelRAM,           0x88000000, g_MemorySize, MV_MIRROR_PREVIOUS | MV_IS_PRIMARY_RAM},
+
+    // TODO: There are a few swizzled mirrors of VRAM, not sure about the best way to
+    // implement those.
+};*/
+
+static const int kNumMemViews = sizeof(g_views) / sizeof(MemoryView);    ///< Number of mem views
+
+void Init() {
+    int flags = 0;
+
+    for (size_t i = 0; i < ARRAY_SIZE(g_views); i++) {
+        if (g_views[i].flags & MV_IS_PRIMARY_RAM)
+            g_views[i].size = MEM_FCRAM_SIZE;
+    }
+
+    g_base = MemoryMap_Setup(g_views, kNumMemViews, flags, &g_arena);
+
+    g_scratchpad = new u8[MEM_SCRATCHPAD_SIZE];
+
+    NOTICE_LOG(MEMMAP, "Memory system initialized. RAM at %p (mirror at 0 @ %p)", g_fcram, 
+        g_physical_fcram);
+}
+
+void Shutdown() {
+    u32 flags = 0;
+    MemoryMap_Shutdown(g_views, kNumMemViews, flags, &g_arena);
+    
+    g_arena.ReleaseSpace();
+    delete[] g_scratchpad;
+    
+    g_base          = NULL;
+    g_scratchpad    = NULL;
+
+    NOTICE_LOG(MEMMAP, "Memory system shut down.");
+}
+
+} // namespace