Add 64bit config option

Not currently wired up to anything

External/FEXCore/Source/Interface/Config/Config.cpp

@@ -27,6 +27,9 @@ namespace FEXCore::Config {
     case FEXCore::Config::CONFIG_UNIFIED_MEMORY:
       CTX->Config.UnifiedMemory = Config != 0;
     break;
+    case FEXCore::Config::CONFIG_IS64BIT_MODE:
+      CTX->Config.Is64BitMode = Config != 0;
+    break;
     default: LogMan::Msg::A("Unknown configuration option");
     }
   }
@@ -62,6 +65,9 @@ namespace FEXCore::Config {
     case FEXCore::Config::CONFIG_UNIFIED_MEMORY:
       return CTX->Config.UnifiedMemory;
     break;
+    case FEXCore::Config::CONFIG_IS64BIT_MODE:
+      return CTX->Config.Is64BitMode;
+    break;
     default: LogMan::Msg::A("Unknown configuration option");
     }
 

External/FEXCore/Source/Interface/Context/Context.h

@@ -52,6 +52,8 @@ namespace FEXCore::Context {
       bool UnifiedMemory {true};
       std::string RootFSPath;
 
+      bool Is64BitMode {true};
+
       // LLVM JIT options
       bool LLVM_MemoryValidation {false};
       bool LLVM_IRValidation {false};

External/FEXCore/include/FEXCore/Config/Config.h

@@ -13,6 +13,7 @@ namespace FEXCore::Config {
     CONFIG_GDBSERVER,
     CONFIG_ROOTFSPATH,
     CONFIG_UNIFIED_MEMORY,
+    CONFIG_IS64BIT_MODE,
   };
 
   enum ConfigCore {