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|
include ../../../tools/top.mk
# Select the board to build for.
ifeq ($(BOARD),)
$(error You must provide a BOARD parameter)
else
ifeq ($(wildcard $(TOP)/hw/bsp/$(BOARD)/.),)
$(error Invalid BOARD specified)
endif
endif
# If the build directory is not given, make it reflect the board name.
BUILD ?= build-$(BOARD)
CROSS_COMPILE = arm-none-eabi-
include $(TOP)/hw/bsp/$(BOARD)/board.mk
CC = $(CROSS_COMPILE)gcc
CXX = $(CROSS_COMPILE)g++
LD = $(CROSS_COMPILE)ld
OBJCOPY = $(CROSS_COMPILE)objcopy
MKDIR = mkdir
SED = sed
CP = cp
RM = rm
AS = $(CROSS_COMPILE)as
INC += -Isrc \
-I$(TOP)/hw \
-I$(TOP)/src
CFLAGS += \
-fsingle-precision-constant \
-fno-strict-aliasing \
-Wdouble-promotion \
-Wno-endif-labels \
-Wstrict-prototypes \
-Werror-implicit-function-declaration \
-Wfloat-equal \
-Wundef \
-Wshadow \
-Wwrite-strings \
-Wsign-compare \
-Wmissing-format-attribute \
-Wno-deprecated-declarations \
-Wnested-externs \
-Wunreachable-code \
-Wcast-align \
-Wno-error=lto-type-mismatch \
-ffunction-sections \
-fdata-sections
#Debugging/Optimization
ifeq ($(DEBUG), 1)
CFLAGS += -O0 -ggdb
else
CFLAGS += -flto -Os
endif
CFLAGS += $(INC) -Wall -Werror -std=gnu11 -nostdlib -DBOARD_$(shell echo $(BOARD) | tr a-z\- A-Z_)
LDFLAGS += $(CFLAGS) -nostartfiles -fshort-enums -Wl,-T,$(TOP)/$(LD_FILE) -Wl,[email protected] -Wl,-cref -Wl,-gc-sections -specs=nosys.specs -specs=nano.specs
LIBS := -lgcc -lc -lm -lnosys
EXAMPLE_SOURCE += \
src/main.c \
src/msc_app.c \
src/msc_disk_ram.c \
src/tusb_descriptors.c
SRC_C += $(addprefix $(CURRENT_PATH)/, $(EXAMPLE_SOURCE))
LIB_SOURCE += \
hw/bsp/$(BOARD)/board_$(BOARD).c \
src/common/tusb_fifo.c \
src/device/usbd.c \
src/device/usbd_auto_desc.c \
src/device/usbd_control.c \
src/class/msc/msc_device.c \
src/class/cdc/cdc_device.c \
src/class/hid/hid_device.c \
src/tusb.c \
src/portable/$(VENDOR)/$(CHIP_FAMILY)/dcd_$(CHIP_FAMILY).c
SRC_C += $(LIB_SOURCE)
OBJ = $(addprefix $(BUILD)/obj/, $(SRC_S:.s=.o))
OBJ += $(addprefix $(BUILD)/obj/, $(SRC_C:.c=.o))
all: $(BUILD)/$(BOARD)-firmware.bin
OBJ_DIRS = $(sort $(dir $(OBJ)))
$(OBJ): | $(OBJ_DIRS)
$(OBJ_DIRS):
@$(MKDIR) -p $@
$(BUILD)/$(BOARD)-firmware.elf: $(OBJ)
@echo LINK $@
@$(CC) -o $@ $(LDFLAGS) $^ -Wl,--start-group $(LIBS) -Wl,--end-group
$(BUILD)/$(BOARD)-firmware.bin: $(BUILD)/$(BOARD)-firmware.elf
@echo CREATE $@
$(OBJCOPY) -O binary -j .vectors -j .text -j .data $^ $@
# We set vpath to point to the top of the tree so that the source files
# can be located. By following this scheme, it allows a single build rule
# to be used to compile all .c files.
vpath %.c . $(TOP)
$(BUILD)/obj/%.o: %.c
@echo CC $@
@$(CC) $(CFLAGS) -c -MD -o $@ $<
@# The following fixes the dependency file.
@# See http://make.paulandlesley.org/autodep.html for details.
@# Regex adjusted from the above to play better with Windows paths, etc.
@$(CP) $(@:.o=.d) $(@:.o=.P); \
$(SED) -e 's/#.*//' -e 's/^.*: *//' -e 's/ *\\$$//' \
-e '/^$$/ d' -e 's/$$/ :/' < $(@:.o=.d) >> $(@:.o=.P); \
$(RM) $(@:.o=.d)
vpath %.s . $(TOP)
$(BUILD)/obj/%.o: %.s
@echo "AS $<"
@$(AS) -o $@ $<
clean:
rm -rf build-$(BOARD)
|
