4 files changed, 45 insertions, 70 deletions
diff --git a/demos/STM32/RT-STM32F401RE-NUCLEO64/Makefile b/demos/STM32/RT-STM32F401RE-NUCLEO64/Makefile
index 79b22f572..3251b9d72 100644
--- a/demos/STM32/RT-STM32F401RE-NUCLEO64/Makefile
+++ b/demos/STM32/RT-STM32F401RE-NUCLEO64/Makefile
@@ -18,7 +18,7 @@ ifeq ($(USE_CPPOPT),)
   USE_CPPOPT = -fno-rtti
 endif
 
-# Enable this if you want the linker to remove unused code and data
+# Enable this if you want the linker to remove unused code and data.
 ifeq ($(USE_LINK_GC),)
   USE_LINK_GC = yes
 endif
@@ -28,16 +28,11 @@ ifeq ($(USE_LDOPT),)
   USE_LDOPT = 
 endif
 
-# Enable this if you want link time optimizations (LTO)
+# Enable this if you want link time optimizations (LTO).
 ifeq ($(USE_LTO),)
   USE_LTO = yes
 endif
 
-# If enabled, this option allows to compile the application in THUMB mode.
-ifeq ($(USE_THUMB),)
-  USE_THUMB = yes
-endif
-
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
   USE_VERBOSE_COMPILE = no
@@ -74,19 +69,30 @@ ifeq ($(USE_FPU),)
   USE_FPU = no
 endif
 
+# FPU-related options.
+ifeq ($(USE_FPU_OPT),)
+  USE_FPU_OPT = -mfloat-abi=$(USE_FPU) -mfpu=fpv4-sp-d16
+endif
+
 #
 # Architecture or project specific options
 ##############################################################################
 
 ##############################################################################
-# Project, sources and paths
+# Project, target, sources and paths
 #
 
 # Define project name here
 PROJECT = ch
 
-# Imported source files and paths
+# Target settings.
+MCU  = cortex-m4
+
+# Imported source files and paths.
 CHIBIOS = ../../..
+CONFDIR  := ./cfg
+BUILDDIR := ./build
+DEPDIR   := ./.dep
 
 # Licensing files.
 include $(CHIBIOS)/os/license/license.mk
@@ -100,12 +106,14 @@ include $(CHIBIOS)/os/hal/osal/rt/osal.mk
 # RTOS files (optional).
 include $(CHIBIOS)/os/rt/rt.mk
 include $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/mk/port_v7m.mk
+# Auto-build files in ./source recursively.
+include $(CHIBIOS)/tools/mk/autobuild.mk
 # Other files (optional).
 include $(CHIBIOS)/test/lib/test.mk
 include $(CHIBIOS)/test/rt/rt_test.mk
 include $(CHIBIOS)/test/oslib/oslib_test.mk
 
-# Define linker script file here
+# Define linker script file here.
 LDSCRIPT= $(STARTUPLD)/STM32F401xE.ld
 
 # C sources that can be compiled in ARM or THUMB mode depending on the global
@@ -118,73 +126,23 @@ CSRC = $(ALLCSRC) \
 # setting.
 CPPSRC = $(ALLCPPSRC)
 
-# C sources to be compiled in ARM mode regardless of the global setting.
-# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
-#       option that results in lower performance and larger code size.
-ACSRC =
-
-# C++ sources to be compiled in ARM mode regardless of the global setting.
-# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
-#       option that results in lower performance and larger code size.
-ACPPSRC =
-
-# C sources to be compiled in THUMB mode regardless of the global setting.
-# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
-#       option that results in lower performance and larger code size.
-TCSRC =
-
-# C sources to be compiled in THUMB mode regardless of the global setting.
-# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
-#       option that results in lower performance and larger code size.
-TCPPSRC =
-
-# List ASM source files here
+# List ASM source files here.
 ASMSRC = $(ALLASMSRC)
-ASMXSRC = $(ALLXASMSRC)
-
-INCDIR = $(ALLINC) $(TESTINC)
 
-#
-# Project, sources and paths
-##############################################################################
-
-##############################################################################
-# Compiler settings
-#
+# List ASM with preprocessor source files here.
+ASMXSRC = $(ALLXASMSRC)
 
-MCU  = cortex-m4
+# Inclusion directories.
+INCDIR = $(CONFDIR) $(ALLINC) $(TESTINC)
 
-#TRGT = arm-elf-
-TRGT = arm-none-eabi-
-CC   = $(TRGT)gcc
-CPPC = $(TRGT)g++
-# Enable loading with g++ only if you need C++ runtime support.
-# NOTE: You can use C++ even without C++ support if you are careful. C++
-#       runtime support makes code size explode.
-LD   = $(TRGT)gcc
-#LD   = $(TRGT)g++
-CP   = $(TRGT)objcopy
-AS   = $(TRGT)gcc -x assembler-with-cpp
-AR   = $(TRGT)ar
-OD   = $(TRGT)objdump
-SZ   = $(TRGT)size
-HEX  = $(CP) -O ihex
-BIN  = $(CP) -O binary
-
-# ARM-specific options here
-AOPT =
-
-# THUMB-specific options here
-TOPT = -mthumb -DTHUMB
-
-# Define C warning options here
+# Define C warning options here.
 CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes
 
-# Define C++ warning options here
+# Define C++ warning options here.
 CPPWARN = -Wall -Wextra -Wundef
 
 #
-# Compiler settings
+# Project, target, sources and paths
 ##############################################################################
 
 ##############################################################################
@@ -207,8 +165,25 @@ ULIBDIR =
 ULIBS =
 
 #
-# End of user defines
+# End of user section
+##############################################################################
+
 ##############################################################################
+# Common rules
+#
 
-RULESPATH = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC
+RULESPATH = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC/mk
+include $(RULESPATH)/arm-none-eabi.mk
 include $(RULESPATH)/rules.mk
+
+#
+# Common rules
+##############################################################################
+
+##############################################################################
+# Custom rules
+#
+
+#
+# Custom rules
+##############################################################################
diff --git a/demos/STM32/RT-STM32F401RE-NUCLEO64/chconf.h b/demos/STM32/RT-STM32F401RE-NUCLEO64/cfg/chconf.h
index 31d86bd5c..31d86bd5c 100644
--- a/demos/STM32/RT-STM32F401RE-NUCLEO64/chconf.h
+++ b/demos/STM32/RT-STM32F401RE-NUCLEO64/cfg/chconf.h
diff --git a/demos/STM32/RT-STM32F401RE-NUCLEO64/halconf.h b/demos/STM32/RT-STM32F401RE-NUCLEO64/cfg/halconf.h
index 6e5569097..6e5569097 100644
--- a/demos/STM32/RT-STM32F401RE-NUCLEO64/halconf.h
+++ b/demos/STM32/RT-STM32F401RE-NUCLEO64/cfg/halconf.h
diff --git a/demos/STM32/RT-STM32F401RE-NUCLEO64/mcuconf.h b/demos/STM32/RT-STM32F401RE-NUCLEO64/cfg/mcuconf.h
index b110fa705..b110fa705 100644
--- a/demos/STM32/RT-STM32F401RE-NUCLEO64/mcuconf.h
+++ b/demos/STM32/RT-STM32F401RE-NUCLEO64/cfg/mcuconf.h