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MCU_DIR = hw/mcu/broadcom
DEPS_SUBMODULES += $(MCU_DIR)
include $(TOP)/$(BOARD_PATH)/board.mk
CFLAGS += \
-Wall \
-O0 \
-ffreestanding \
-nostdlib \
-nostartfiles \
-mgeneral-regs-only \
-fno-exceptions \
-std=c17
CROSS_COMPILE = arm-none-eabi-
# mcu driver cause following warnings
CFLAGS += -Wno-error=cast-qual
SRC_C += \
src/portable/synopsys/dwc2/dcd_dwc2.c \
$(MCU_DIR)/broadcom/gen/interrupt_handlers.c \
$(MCU_DIR)/broadcom/gpio.c \
$(MCU_DIR)/broadcom/interrupts.c \
$(MCU_DIR)/broadcom/mmu.c \
$(MCU_DIR)/broadcom/caches.c \
$(MCU_DIR)/broadcom/vcmailbox.c
SKIP_NANOLIB = 1
LD_FILE = $(MCU_DIR)/broadcom/link$(SUFFIX).ld
INC += \
$(TOP)/$(BOARD_PATH) \
$(TOP)/$(MCU_DIR)
SRC_S += $(MCU_DIR)/broadcom/boot$(SUFFIX).S
$(BUILD)/kernel$(SUFFIX).img: $(BUILD)/$(PROJECT).elf
$(OBJCOPY) -O binary $^ $@
# Copy to kernel to netboot drive or SD card
# Change destinaation to fit your need
flash: $(BUILD)/kernel$(SUFFIX).img
@$(CP) $< /home/$(USER)/Documents/code/pi_tinyusb/boot_cpy
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