diff --git a/include/nitro/hw/ARM7/mmap_global.h b/include/nitro/hw/ARM7/mmap_global.h
index 1b7ab85..25186ec 100644
--- a/include/nitro/hw/ARM7/mmap_global.h
+++ b/include/nitro/hw/ARM7/mmap_global.h
@@ -106,6 +106,7 @@ extern "C" {
 #define HW_WRAM_1_END           0x03800000
 #define HW_WRAM_1_SIZE          (HW_WRAM_1_END-HW_WRAM_1)
 
+#define HW_WRAM_EX              HW_PRV_WRAM_END
 #ifdef TWL_PLATFORM_BB
 #define HW_WRAM_A_SIZE_MAX      0x00020000
 #else // TWL_PLATFORM_BB
diff --git a/include/nitro/hw/ARM9/mmap_global.h b/include/nitro/hw/ARM9/mmap_global.h
index 5638626..fdee7a8 100644
--- a/include/nitro/hw/ARM9/mmap_global.h
+++ b/include/nitro/hw/ARM9/mmap_global.h
@@ -115,6 +115,8 @@ extern u32 SDK_AUTOLOAD_DTCM_START[];
 #define HW_WRAM_1               0x037fc000
 #define HW_WRAM_1_END           0x03800000
 #define HW_WRAM_1_SIZE          (HW_WRAM_1_END-HW_WRAM_1)
+
+#define HW_WRAM_EX              HW_WRAM_END
 #ifdef TWL_PLATFORM_BB
 #define HW_WRAM_A_SIZE_MAX      0x00020000
 #else // TWL_PLATFORM_BB