diff --git a/os/common/ports/ARMCMx/compilers/GCC/mk/startup_tm4c123x.mk b/os/common/ports/ARMCMx/compilers/GCC/mk/startup_tm4c123x.mk
new file mode 100644
index 00000000..35d4fc84
--- /dev/null
+++ b/os/common/ports/ARMCMx/compilers/GCC/mk/startup_tm4c123x.mk
@@ -0,0 +1,10 @@
+# List of the ChibiOS generic TM4C123x startup and CMSIS files.
+STARTUPSRC = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/crt1.c \
+             $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/vectors.c
+          
+STARTUPASM = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/crt0_v7m.s
+
+STARTUPINC = $(CHIBIOS)/community/os/common/ports/ARMCMx/devices/TM4C123x \
+             $(CHIBIOS)/os/ext/CMSIS/include
+
+STARTUPLD  = $(CHIBIOS)/community/os/common/ports/ARMCMx/compilers/GCC/ld
diff --git a/os/common/ports/ARMCMx/compilers/GCC/mk/startup_tm4c129x.mk b/os/common/ports/ARMCMx/compilers/GCC/mk/startup_tm4c129x.mk
new file mode 100644
index 00000000..6ce72da4
--- /dev/null
+++ b/os/common/ports/ARMCMx/compilers/GCC/mk/startup_tm4c129x.mk
@@ -0,0 +1,10 @@
+# List of the ChibiOS generic TM4C129x startup and CMSIS files.
+STARTUPSRC = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/crt1.c \
+             $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/vectors.c
+          
+STARTUPASM = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/crt0_v7m.s
+
+STARTUPINC = $(CHIBIOS)/community/os/common/ports/ARMCMx/devices/TM4C129x \
+             $(CHIBIOS)/os/ext/CMSIS/include
+
+STARTUPLD  = $(CHIBIOS)/community/os/common/ports/ARMCMx/compilers/GCC/ld