5 files changed, 11 insertions, 5 deletions
diff --git a/os/ex/subsystems/mfs/mfs.mk b/os/ex/subsystems/mfs/mfs.mk
deleted file mode 100644
index 488977e70..000000000
--- a/os/ex/subsystems/mfs/mfs.mk
+++ /dev/null
@@ -1,5 +0,0 @@
-# List of all the MFS subsystem files.
-MFSSRC := $(CHIBIOS)/os/ex/subsystems/mfs/mfs.c
-
-# Required include directories
-MFSINC := $(CHIBIOS)/os/ex/subsystems/mfs
-\ No newline at end of file
diff --git a/os/ex/subsystems/mfs/mfs.c b/os/hal/complex/mfs/mfs.c
index 6f44032ce..6f44032ce 100644
--- a/os/ex/subsystems/mfs/mfs.c
+++ b/os/hal/complex/mfs/mfs.c
diff --git a/os/ex/subsystems/mfs/mfs.h b/os/hal/complex/mfs/mfs.h
index bfaa92681..bfaa92681 100644
--- a/os/ex/subsystems/mfs/mfs.h
+++ b/os/hal/complex/mfs/mfs.h
diff --git a/os/hal/complex/mfs/mfs.mk b/os/hal/complex/mfs/mfs.mk
new file mode 100644
index 000000000..200655196
--- /dev/null
+++ b/os/hal/complex/mfs/mfs.mk
@@ -0,0 +1,5 @@
+# List of all the MFS subsystem files.
+MFSSRC := $(CHIBIOS)/os/hal/complex/mfs/mfs.c
+
+# Required include directories
+MFSINC := $(CHIBIOS)/os/hal/complex/mfs
+\ No newline at end of file
diff --git a/os/hal/complex/readme.txt b/os/hal/complex/readme.txt
new file mode 100644
index 000000000..fafdfacec
--- /dev/null
+++ b/os/hal/complex/readme.txt
@@ -0,0 +1,6 @@
+This directory contains complex drivers subsystems. Complex Drivers must
+abide to the following rules:
+- Must use HAL and OSAL only.
+- Cannot use RTOS functionalities.
+- Cannot use HW resources directly.
+- Must not use non-standard C language features.