circuitpython/ports/broadcom/Makefile

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# This file is part of the MicroPython project, http://micropython.org/
#
# The MIT License (MIT)
#
# SPDX-FileCopyrightText: Copyright (c) 2020 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.
include ../../py/circuitpy_mkenv.mk
ifeq ($(CHIP_VARIANT), "bcm2711")
CFLAGS += -mcpu=cortex-a72 -DBCM_VERSION=2711
CROSS_COMPILE = aarch64-none-elf-
SUFFIX = 8
else ifeq ($(CHIP_VARIANT), "bcm2837")
CFLAGS += -mcpu=cortex-a53 -DBCM_VERSION=2837
CROSS_COMPILE = aarch64-none-elf-
SUFFIX = 8
else ifeq ($(CHIP_VARIANT), "bcm2835")
CFLAGS += -mcpu=arm1176jzf-s -DBCM_VERSION=2835
CROSS_COMPILE = arm-none-eabi-
SUFFIX =
# TODO add 32-bit support for Cortex-A7 in 2836
endif
INC += -I. \
-I../.. \
-I../../lib/mp-readline \
-I../../lib/timeutils \
-I../../lib/sdmmc/include \
-Iboards/$(BOARD) \
-Iboards/ \
-Iperipherals/ \
-I../../lib/tinyusb/src \
-I../../supervisor/shared/usb \
-I$(BUILD)
SRC_C += bindings/videocore/__init__.c \
bindings/videocore/Framebuffer.c \
boards/$(BOARD)/board.c \
boards/$(BOARD)/pins.c \
background.c \
common-hal/videocore/Framebuffer.c \
fatfs_port.c \
mphalport.c \
lib/sdmmc/sdmmc_cmd.c \
lib/sdmmc/sdmmc_common.c \
lib/sdmmc/sdmmc_init.c \
lib/sdmmc/sdmmc_io.c \
lib/sdmmc/sdmmc_mmc.c \
lib/sdmmc/sdmmc_sd.c \
lib/tinyusb/src/portable/synopsys/dwc2/dcd_dwc2.c \
peripherals/broadcom/caches.c \
peripherals/broadcom/gen/interrupt_handlers.c \
peripherals/broadcom/gen/pins.c \
peripherals/broadcom/gpio.c \
peripherals/broadcom/interrupts.c \
peripherals/broadcom/mmu.c \
peripherals/broadcom/vcmailbox.c
SRC_S = peripherals/broadcom/boot$(SUFFIX).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))
# There may be duplicates between SRC_COMMON_HAL_EXPANDED and SRC_SHARED_MODULE_EXPANDED,
# because a few modules have files both in common-hal/ and shared-modules/.
# Doing a $(sort ...) removes duplicates as part of sorting.
SRC_COMMON_HAL_SHARED_MODULE_EXPANDED = $(sort $(SRC_COMMON_HAL_EXPANDED) $(SRC_SHARED_MODULE_EXPANDED))
OBJ = $(PY_O) $(SUPERVISOR_O) $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(SRC_COMMON_HAL_SHARED_MODULE_EXPANDED:.c=.o))
ifeq ($(INTERNAL_LIBM),1)
OBJ += $(addprefix $(BUILD)/, $(SRC_LIBM:.c=.o))
endif
OBJ += $(addprefix $(BUILD)/, $(SRC_CIRCUITPY_COMMON:.c=.o))
OBJ += $(addprefix $(BUILD)/, $(SRC_S:.s=.o))
OBJ += $(addprefix $(BUILD)/, $(SRC_MOD:.c=.o))
# BCM CLFAGS
CFLAGS += -nostartfiles -DMICROPY_HW_MCU_NAME="\"$(CHIP_VARIANT)\""
OPTIMIZATION_FLAGS ?= -O3
CFLAGS += $(OPTIMIZATION_FLAGS)
# TinyUSB defines
CFLAGS += -DCFG_TUSB_MCU=OPT_MCU_BCM2711 -DCFG_TUD_MIDI_RX_BUFSIZE=512 \
-DCFG_TUD_CDC_RX_BUFSIZE=512 -DCFG_TUD_MIDI_TX_BUFSIZE=512 \
-DCFG_TUD_CDC_TX_BUFSIZE=512 -DCFG_TUD_MSC_BUFSIZE=1024
#Debugging/Optimization
ifeq ($(DEBUG), 1)
CFLAGS += -ggdb3 -Og
# No LTO because we may place some functions in RAM instead of flash.
else
CFLAGS += -DNDEBUG -ggdb3
# No LTO because we may place some functions in RAM instead of flash.
ifdef CFLAGS_BOARD
CFLAGS += $(CFLAGS_BOARD)
endif
endif
CFLAGS += $(INC) -Wall -Werror -std=gnu11 $(BASE_CFLAGS) $(CFLAGS_MOD) $(COPT) $(DISABLE_WARNINGS)
SRC_QSTR += $(SRC_C) $(SRC_SUPERVISOR) $(SRC_COMMON_HAL_EXPANDED) $(SRC_SHARED_MODULE_EXPANDED)
LDFLAGS += $(CFLAGS) -T peripherals/broadcom/link$(SUFFIX).ld -Wl,--gc-sections -Wl,-Map=$@.map # -Wl,--cref
# Use toolchain libm if we're not using our own.
ifndef INTERNAL_LIBM
LIBS += -lm
endif
all: $(BUILD)/firmware.kernel$(SUFFIX).img $(BUILD)/firmware.disk.img.zip
%.o: %.c
$(CC) $(CFLAGS) -c $< -o $@
$(BUILD)/kernel$(SUFFIX).elf: $(OBJ)
$(STEPECHO) "LINK $@"
$(Q)echo $(OBJ) > $(BUILD)/firmware.objs
$(Q)$(CC) -o $@ $(LDFLAGS) @$(BUILD)/firmware.objs -Wl,--start-group $(LIBS) -Wl,--end-group
$(BUILD)/kernel$(SUFFIX).img: $(BUILD)/kernel$(SUFFIX).elf
$(STEPECHO) "Create $@"
$(OBJCOPY) -O binary $(BUILD)/kernel$(SUFFIX).elf $@
$(BUILD)/firmware.kernel$(SUFFIX).img: $(BUILD)/kernel$(SUFFIX).img
$(STEPECHO) "Create $@"
$(CP) $^ $@
$(BUILD)/firmware.disk.img.zip: $(BUILD)/kernel$(SUFFIX).img
$(STEPECHO) "Create $@"
$(Q)dd if=/dev/zero of=$(BUILD)/circuitpython-disk.img bs=1 count=0 seek=256M
$(Q)parted -s $(BUILD)/circuitpython-disk.img mktable msdos
$(Q)parted -s $(BUILD)/circuitpython-disk.img mkpart primary fat32 0% 100%
$(Q)mkfs.fat -F 32 -n BOOT --offset=2048 $(BUILD)/circuitpython-disk.img
$(Q)mcopy -i $(BUILD)/circuitpython-disk.img@@1M config.txt firmware/bootcode.bin firmware/fixup* firmware/start* firmware/*.dtb ::
$(Q)mcopy -i $(BUILD)/circuitpython-disk.img@@1M $(BUILD)/kernel$(SUFFIX).img ::
$(Q)zip $@ $(BUILD)/circuitpython-disk.img
$(Q)rm $(BUILD)/circuitpython-disk.img
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 $* = $($*)