ifdef CONFIG_ESP8266_LEGACY

BOOTLOADER_FIRMWARE_DIR := $(abspath $(COMPONENT_PATH))/firmware

ESPTOOLPY_FLASHSIZE ?= $(CONFIG_ESPTOOLPY_FLASHSIZE)

ifeq ($(ESPTOOLPY_FLASHSIZE), "2MB")
ESP_INIT_DATA_DEFAULT_BIN_OFFSET := 0x1FC000
endif

ifeq ($(ESPTOOLPY_FLASHSIZE), "4MB")
ESP_INIT_DATA_DEFAULT_BIN_OFFSET := 0x3FC000
endif

ifeq ($(ESPTOOLPY_FLASHSIZE), "8MB")
ESP_INIT_DATA_DEFAULT_BIN_OFFSET := 0x7FC000
endif

ifeq ($(ESPTOOLPY_FLASHSIZE), "16MB")
ESP_INIT_DATA_DEFAULT_BIN_OFFSET := 0xFFC000
endif

ESP_INIT_DATA_DEFAULT_BIN := $(BOOTLOADER_FIRMWARE_DIR)/esp_init_data_default.bin

ESPTOOL_ALL_FLASH_ARGS += $(ESP_INIT_DATA_DEFAULT_BIN_OFFSET) $(ESP_INIT_DATA_DEFAULT_BIN)

else

ifdef CONFIG_ESP_PHY_INIT_DATA_IN_PARTITION

PHY_INIT_DATA_OBJ = $(BUILD_DIR_BASE)/phy_init_data.o
PHY_INIT_DATA_BIN = $(BUILD_DIR_BASE)/phy_init_data.bin

# Command to flash PHY init data partition
PHY_INIT_DATA_FLASH_CMD = $(ESPTOOLPY_SERIAL) write_flash $(CONFIG_PHY_DATA_OFFSET) $(PHY_INIT_DATA_BIN)
ESPTOOL_ALL_FLASH_ARGS += $(CONFIG_PHY_DATA_OFFSET) $(PHY_INIT_DATA_BIN)

ESP8266_COMPONENT_PATH := $(COMPONENT_PATH)

$(PHY_INIT_DATA_OBJ): $(ESP8266_COMPONENT_PATH)/source/phy_init_data.h $(BUILD_DIR_BASE)/include/sdkconfig.h
	$(summary) CC $(notdir $@)
	printf "#include \"source/phy_init_data.h\"\n" | $(CC) -I $(BUILD_DIR_BASE)/include -I $(ESP8266_COMPONENT_PATH) -I $(ESP8266_COMPONENT_PATH)/include -c -o $@ -xc -

$(PHY_INIT_DATA_BIN): $(PHY_INIT_DATA_OBJ)
	$(summary) BIN $(notdir $@)
	$(OBJCOPY) -O binary $< $@

phy_init_data: $(PHY_INIT_DATA_BIN)

phy_init_data-flash: $(BUILD_DIR_BASE)/phy_init_data.bin
	@echo "Flashing PHY init data..."
	$(PHY_INIT_DATA_FLASH_CMD)

phy_init_data-clean:
	rm -f $(PHY_INIT_DATA_BIN) $(PHY_INIT_DATA_OBJ)

all: phy_init_data
flash: phy_init_data

endif # CONFIG_ESP_PHY_INIT_DATA_IN_PARTITION

endif

# global CFLAGS for ESP8266
CFLAGS += -DMEMLEAK_DEBUG -DICACHE_FLASH

# void compiler error, we should remove these later
CFLAGS += -Wno-error=char-subscripts -Wno-error=unknown-pragmas -Wno-error=implicit-function-declaration \
          -Wno-error=pointer-sign -Wno-error=switch -Wno-error=maybe-uninitialized -Wno-error=format= \
          -Wno-error=unused-value -Wno-error=address -Wno-error=return-type -Wno-error=format-extra-args \
          -Wno-error=format-zero-length -Wno-error=unused-label -Wno-error=sizeof-pointer-memaccess