3 files changed, 15 insertions, 0 deletions
diff --git a/arm9/lib/include/OS_init.h b/arm9/lib/include/OS_init.h
index d2497836..6fbfc826 100644
--- a/arm9/lib/include/OS_init.h
+++ b/arm9/lib/include/OS_init.h
@@ -7,6 +7,7 @@
 
 #include "types.h"
 #include "consts.h"
+#include "OS_tcm.h"
 #include "OS_spinLock.h"
 #include "OS_thread.h"
 #include "OS_protectionRegion.h"
diff --git a/arm9/lib/include/OS_tcm.h b/arm9/lib/include/OS_tcm.h
new file mode 100644
index 00000000..7112ca0e
--- /dev/null
+++ b/arm9/lib/include/OS_tcm.h
@@ -0,0 +1,12 @@
+//
+// Created by red031000 on 2020-05-05.
+//
+
+#ifndef POKEDIAMOND_OS_TCM_H
+#define POKEDIAMOND_OS_TCM_H
+
+#include "consts.h"
+
+u32 OS_GetDTCMAddress();
+
+#endif //POKEDIAMOND_OS_TCM_H
diff --git a/arm9/lib/include/consts.h b/arm9/lib/include/consts.h
index 81330924..0e5066de 100644
--- a/arm9/lib/include/consts.h
+++ b/arm9/lib/include/consts.h
@@ -55,6 +55,8 @@
 #define OS_CONSOLE_SIZE_MASK       0x00000003
 #define OS_CONSOLE_SIZE_4MB        0x00000001
 
+#define OSi_TCM_REGION_BASE_MASK   0xfffff000
+
 #define OSi_GetArenaInfo()         (*(OSArenaInfo*)HW_ARENA_INFO_BUF)
 #define OSi_TRUNC(n, a)            (((u32) (n)) & ~((a) - 1))
 #define OSi_ROUND(n, a)            (((u32) (n) + (a) - 1) & ~((a) - 1))