diff --git a/tests/example/common.mk b/tests/example/common.mk
index fa660a7..d38fc3d 100644
--- a/tests/example/common.mk
+++ b/tests/example/common.mk
@@ -1,5 +1,5 @@
 
-RISCV_PATH := ../../../tools/gnu-mcu-eclipse-riscv-none-gcc-8.2.0-2.2-20190521-0004-win64/
+RISCV_PATH := $(TOOLCHAIN_DIR)/tools/gnu-mcu-eclipse-riscv-none-gcc-8.2.0-2.2-20190521-0004-win64/
 
 RISCV_GCC     := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-gcc)
 RISCV_AS      := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-as)
@@ -10,14 +10,9 @@ RISCV_AR      := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-ar)
 RISCV_OBJCOPY := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-objcopy)
 RISCV_READELF := $(abspath $(RISCV_PATH)/bin/riscv-none-embed-readelf)
 
-
-
 .PHONY: all
 all: $(TARGET)
 
-
-COMMON_DIR = ..
-
 ASM_SRCS += $(COMMON_DIR)/start.S
 ASM_SRCS += $(COMMON_DIR)/trap_entry.S
 C_SRCS += $(COMMON_DIR)/init.c
@@ -25,7 +20,6 @@ C_SRCS += $(COMMON_DIR)/lib/utils.c
 C_SRCS += $(COMMON_DIR)/lib/xprintf.c
 C_SRCS += $(COMMON_DIR)/lib/uart.c
 
-
 LINKER_SCRIPT := $(COMMON_DIR)/link.lds
 
 INCLUDES += -I$(COMMON_DIR)
@@ -40,10 +34,9 @@ LINK_DEPS += $(LINKER_SCRIPT)
 
 CLEAN_OBJS += $(TARGET) $(LINK_OBJS) $(TARGET).dump $(TARGET).bin
 
-#CFLAGS += -g
 CFLAGS += -march=$(RISCV_ARCH)
 CFLAGS += -mabi=$(RISCV_ABI)
-CFLAGS += -mcmodel=medany -ffunction-sections -fdata-sections -fno-builtin-printf -fno-builtin-malloc
+CFLAGS += -mcmodel=$(RISCV_MCMODEL) -ffunction-sections -fdata-sections -fno-builtin-printf -fno-builtin-malloc
 
 $(TARGET): $(LINK_OBJS) $(LINK_DEPS)
 	$(RISCV_GCC) $(CFLAGS) $(INCLUDES) $(LINK_OBJS) -o $@ $(LDFLAGS)
diff --git a/tests/example/coremark/Makefile b/tests/example/coremark/Makefile
index 3940933..921b3f3 100644
--- a/tests/example/coremark/Makefile
+++ b/tests/example/coremark/Makefile
@@ -1,5 +1,6 @@
 RISCV_ARCH := rv32im
 RISCV_ABI := ilp32
+RISCV_MCMODEL := medlow
 
 TARGET := coremark
 
@@ -15,4 +16,6 @@ CFLAGS := -O2 -fno-common -funroll-loops -finline-functions --param max-inline-i
 CFLAGS += -DFLAGS_STR=\""$(CFLAGS)"\"
 CFLAGS += -DITERATIONS=10000 -DPERFORMANCE_RUN=1
 
+COMMON_DIR = ..
+TOOLCHAIN_DIR = ../../..
 include ../common.mk
diff --git a/tests/example/gpio/Makefile b/tests/example/gpio/Makefile
index 5f7ecfd..fb2b7e7 100644
--- a/tests/example/gpio/Makefile
+++ b/tests/example/gpio/Makefile
@@ -1,5 +1,6 @@
 RISCV_ARCH := rv32im
 RISCV_ABI := ilp32
+RISCV_MCMODEL := medlow
 
 
 TARGET = gpio
@@ -15,4 +16,6 @@ C_SRCS := \
 	main.c \
 
 
+COMMON_DIR = ..
+TOOLCHAIN_DIR = ../../..
 include ../common.mk
diff --git a/tests/example/simple/Makefile b/tests/example/simple/Makefile
index 7cfead3..5490ad4 100644
--- a/tests/example/simple/Makefile
+++ b/tests/example/simple/Makefile
@@ -1,5 +1,6 @@
 RISCV_ARCH := rv32im
 RISCV_ABI := ilp32
+RISCV_MCMODEL := medlow
 
 
 TARGET = simple
@@ -15,4 +16,6 @@ C_SRCS := \
 	main.c \
 
 
+COMMON_DIR = ..
+TOOLCHAIN_DIR = ../../..
 include ../common.mk
diff --git a/tests/example/timer_int/Makefile b/tests/example/timer_int/Makefile
index adb427d..296cc61 100644
--- a/tests/example/timer_int/Makefile
+++ b/tests/example/timer_int/Makefile
@@ -1,5 +1,6 @@
 RISCV_ARCH := rv32im
 RISCV_ABI := ilp32
+RISCV_MCMODEL := medlow
 
 
 TARGET = timer_int
@@ -15,4 +16,6 @@ C_SRCS := \
 	main.c \
 
 
+COMMON_DIR = ..
+TOOLCHAIN_DIR = ../../..
 include ../common.mk
diff --git a/tests/example/uart_tx/Makefile b/tests/example/uart_tx/Makefile
index 0c7ca6e..e953c29 100644
--- a/tests/example/uart_tx/Makefile
+++ b/tests/example/uart_tx/Makefile
@@ -1,5 +1,6 @@
 RISCV_ARCH := rv32im
 RISCV_ABI := ilp32
+RISCV_MCMODEL := medlow
 
 
 TARGET = uart_tx
@@ -15,4 +16,6 @@ C_SRCS := \
 	main.c \
 
 
+COMMON_DIR = ..
+TOOLCHAIN_DIR = ../../..
 include ../common.mk