From 8d46cf53030cb72199890e29ee2c9ce38f983651 Mon Sep 17 00:00:00 2001
From: Maschell <Maschell@gmx.de>
Date: Sat, 30 May 2020 21:59:42 +0200
Subject: [PATCH] relocator: Save the address of the PhysicalToEffective +
 EffectiveToPhysical function from the memory module is present.

---
 relocator/src/entry.cpp   | 15 +++++++++++++++
 relocator/src/globals.cpp |  4 ++++
 relocator/src/globals.h   |  6 ++++++
 3 files changed, 25 insertions(+)
 create mode 100644 relocator/src/globals.cpp
 create mode 100644 relocator/src/globals.h

diff --git a/relocator/src/entry.cpp b/relocator/src/entry.cpp
index c57624a..c0ef342 100644
--- a/relocator/src/entry.cpp
+++ b/relocator/src/entry.cpp
@@ -20,6 +20,7 @@
 
 #include "utils/logger.h"
 #include "utils/dynamic.h"
+#include "globals.h"
 
 #define gModuleData ((module_information_t *) (0x00880000))
 
@@ -113,6 +114,20 @@ extern "C" void doStart(int argc, char **argv) {
     if (!gInitCalled) {
         gInitCalled = 1;
         CallInitHook(loadedModules);
+        for(auto&  curModule : loadedModules){
+            if(curModule.getExportName().compare("homebrew_memorymapping") == 0){
+                for(auto& curExport : curModule.getExportDataList()){
+                    if(curExport.getName().compare("MemoryMappingEffectiveToPhysical") == 0){
+                        DEBUG_FUNCTION_LINE("Setting MemoryMappingEffectiveToPhysicalPTR to %08X\n", curExport.getAddress());
+                        MemoryMappingEffectiveToPhysicalPTR = (uint32_t) curExport.getAddress();
+                    }else if(curExport.getName().compare("MemoryMappingPhysicalToEffective") == 0){
+                        DEBUG_FUNCTION_LINE("Setting MemoryMappingPhysicalToEffectivePTR to %08X\n", curExport.getAddress());
+                        MemoryMappingPhysicalToEffectivePTR = (uint32_t) curExport.getAddress();
+                    }
+                }
+                break;
+            }
+        }
     }
 
     for (int i = 0; i < gModuleData->number_used_modules; i++) {
diff --git a/relocator/src/globals.cpp b/relocator/src/globals.cpp
new file mode 100644
index 0000000..c386250
--- /dev/null
+++ b/relocator/src/globals.cpp
@@ -0,0 +1,4 @@
+#include "globals.h"
+
+uint32_t MemoryMappingEffectiveToPhysicalPTR = 0;
+uint32_t MemoryMappingPhysicalToEffectivePTR = 0;
\ No newline at end of file
diff --git a/relocator/src/globals.h b/relocator/src/globals.h
new file mode 100644
index 0000000..f096fa7
--- /dev/null
+++ b/relocator/src/globals.h
@@ -0,0 +1,6 @@
+#pragma once
+
+#include <cstdint>
+
+extern uint32_t MemoryMappingEffectiveToPhysicalPTR;
+extern uint32_t MemoryMappingPhysicalToEffectivePTR;
\ No newline at end of file