# This file is part of the MicroPython project, http://micropython.org/ # # The MIT License (MIT) # # SPDX-FileCopyrightText: Copyright (c) 2019 Scott Shawcroft for Adafruit Industries # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. # Select the board to build for. ifeq ($(BOARD),) $(error You must provide a BOARD parameter) else ifeq ($(wildcard boards/$(BOARD)/.),) $(error Invalid BOARD specified) endif endif # If the build directory is not given, make it reflect the board name. BUILD ?= build-$(BOARD) include ../../py/mkenv.mk # Board-specific include boards/$(BOARD)/mpconfigboard.mk # Port-specific include mpconfigport.mk # CircuitPython-specific include $(TOP)/py/circuitpy_mpconfig.mk # qstr definitions (must come before including py.mk) QSTR_DEFS = qstrdefsport.h # include py core make definitions include $(TOP)/py/py.mk include $(TOP)/supervisor/supervisor.mk # Include make rules and variables common across CircuitPython builds. include $(TOP)/py/circuitpy_defns.mk CROSS_COMPILE = riscv64-unknown-elf- ####################################### # CFLAGS ####################################### INC += -I. INC += -I../.. INC += -I$(BUILD) INC += -I$(BUILD)/genhdr INC += -I./boards INC += -I./boards/$(BOARD) INC += -I./peripherals INC += -I../../lib/mp-readline INC += -I../../lib/tinyusb/src INC += -I../../supervisor/shared/usb #Debugging/Optimization ifeq ($(DEBUG), 1) CFLAGS += -ggdb # You may want to enable these flags to make setting breakpoints easier. CFLAGS += -fno-inline -fno-ipa-sra else CFLAGS += -Os -DNDEBUG -ggdb3 # TODO: Test with -flto ### CFLAGS += -flto endif ifdef OPTIMIZATION_LEVEL CFLAGS += -O$(OPTIMIZATION_LEVEL) endif CFLAGS += $(INC) -Werror -Wall -std=gnu11 -nostdlib -fshort-enums $(BASE_CFLAGS) $(C_DEFS) $(CFLAGS_MOD) $(COPT) # TODO: check this CFLAGS += -D__START=main -DFOMU LD_FILE := boards/$(BOARD)/$(BOARD)-spi.ld LDFLAGS = $(CFLAGS) -Wl,-nostdlib -Wl,-T,$(LD_FILE) -Wl,-Map=$@.map -Wl,-cref -Wl,-gc-sections -specs=nano.specs -Wl,-melf32lriscv LIBS := -lgcc -lc LDFLAGS += -flto -ffreestanding -nostartfiles -Wl,--gc-section -Wl,-Bstatic -Wl,-melf32lriscv -nostartfiles \ -Wl,--no-warn-mismatch \ -Wl,--build-id=none # Use toolchain libm if we're not using our own. ifndef INTERNAL_LIBM LIBS += -lm endif # TinyUSB defines CFLAGS += -DCFG_TUSB_MCU=OPT_MCU_VALENTYUSB_EPTRI -DCFG_TUD_CDC_RX_BUFSIZE=1024 -DCFG_TUD_CDC_TX_BUFSIZE=1024 -DCFG_TUD_MSC_BUFSIZE=4096 -DCFG_TUD_MIDI_RX_BUFSIZE=128 -DCFG_TUD_MIDI_TX_BUFSIZE=128 ###################################### # source ###################################### SRC_C += \ background.c \ fatfs_port.c \ mphalport.c \ boards/$(BOARD)/board.c \ boards/$(BOARD)/pins.c \ lib/libc/string0.c \ lib/mp-readline/readline.c \ lib/oofatfs/ff.c \ lib/oofatfs/option/ccsbcs.c \ lib/timeutils/timeutils.c \ lib/utils/buffer_helper.c \ lib/utils/context_manager_helpers.c \ lib/utils/interrupt_char.c \ lib/utils/pyexec.c \ lib/utils/stdout_helpers.c \ lib/utils/sys_stdio_mphal.c \ supervisor/shared/memory.c ifneq ($(USB),FALSE) SRC_C += lib/tinyusb/src/portable/valentyusb/eptri/dcd_eptri.c endif SRC_S = \ crt0-vexriscv.S SRC_COMMON_HAL_EXPANDED = $(addprefix shared-bindings/, $(SRC_COMMON_HAL)) \ $(addprefix shared-bindings/, $(SRC_BINDINGS_ENUMS)) \ $(addprefix common-hal/, $(SRC_COMMON_HAL)) SRC_SHARED_MODULE_EXPANDED = $(addprefix shared-bindings/, $(SRC_SHARED_MODULE)) \ $(addprefix shared-module/, $(SRC_SHARED_MODULE)) \ $(addprefix shared-module/, $(SRC_SHARED_MODULE_INTERNAL)) ifneq ($(FROZEN_MPY_DIR),) FROZEN_MPY_PY_FILES := $(shell find -L $(FROZEN_MPY_DIR) -type f -name '*.py') FROZEN_MPY_MPY_FILES := $(addprefix $(BUILD)/,$(FROZEN_MPY_PY_FILES:.py=.mpy)) endif OBJ += $(PY_O) $(SUPERVISOR_O) $(addprefix $(BUILD)/, $(SRC_C:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(SRC_COMMON_HAL_EXPANDED:.c=.o)) OBJ += $(addprefix $(BUILD)/, $(SRC_SHARED_MODULE_EXPANDED:.c=.o)) ifeq ($(INTERNAL_LIBM),1) OBJ += $(addprefix $(BUILD)/, $(SRC_LIBM:.c=.o)) endif OBJ += $(addprefix $(BUILD)/, $(SRC_S:.S=.o)) OBJ += $(addprefix $(BUILD)/, $(SRC_MOD:.c=.o)) $(BUILD)/$(FATFS_DIR)/ff.o: COPT += -Os $(filter $(PY_BUILD)/../extmod/vfs_fat_%.o, $(PY_O)): COPT += -Os # List of sources for qstr extraction SRC_QSTR += $(SRC_C) $(SRC_SUPERVISOR) $(SRC_MOD) $(SRC_COMMON_HAL_EXPANDED) $(SRC_SHARED_MODULE_EXPANDED) # Sources that only hold QSTRs after pre-processing. SRC_QSTR_PREPROCESSOR += all: $(BUILD)/firmware.bin $(BUILD)/firmware.dfu $(BUILD)/firmware.elf: $(OBJ) $(STEPECHO) "LINK $@" $(Q)$(CC) -o $@ $(LDFLAGS) $^ -Wl,--start-group $(LIBS) -Wl,--end-group $(Q)$(SIZE) $@ | $(PYTHON3) $(TOP)/tools/build_memory_info.py $(LD_FILE) $(BUILD)/firmware.bin: $(BUILD)/firmware.elf $(STEPECHO) "Create $@" $(Q)$(OBJCOPY) -O binary $^ $@ # $(Q)$(OBJCOPY) -O binary -j .vectors -j .text -j .data $^ $@ $(BUILD)/firmware.hex: $(BUILD)/firmware.elf $(STEPECHO) "Create $@" $(Q)$(OBJCOPY) -O ihex $^ $@ # $(Q)$(OBJCOPY) -O ihex -j .vectors -j .text -j .data $^ $@ $(BUILD)/firmware.dfu: $(BUILD)/firmware.bin $(ECHO) "Create $@" $(PYTHON3) $(TOP)/tools/dfu.py -b $^ -D 0x1209:0x5bf0 "$(BUILD)/firmware.dfu" include $(TOP)/py/mkrules.mk # Print out the value of a make variable. # https://stackoverflow.com/questions/16467718/how-to-print-out-a-variable-in-makefile print-%: @echo $* = $($*)