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# SPDX-License-Identifier: GPL-2.0-or-later
# Espressif Xtensa Makefile to compile flasher stub wrapper
# Copyright (C) 2023 Espressif Systems Ltd.
# Prefix for Espressif xtensa cross compilers (can include a directory path)
CROSS ?= xtensa-esp32-elf-
APP_ARCH := xtensa
APP_CHIP_PATH := $(shell pwd)
SRCS := $(APP_CHIP_PATH)/esp_xtensa_stub_tramp_win.S
BIN2C = ../../../../../src/helper/bin2char.sh
BUILD_DIR = build
APP = esp_xtensa_stub_tramp_win
APP_OBJ = $(BUILD_DIR)/$(APP).o
APP_BIN = $(BUILD_DIR)/$(APP).bin
APP_CODE = $(APP).inc
.PHONY: all clean
all: $(BUILD_DIR) $(APP_OBJ) $(APP_CODE)
$(BUILD_DIR):
$(Q) mkdir $@
$(APP_OBJ): $(SRCS)
@echo " CC $^ -> $@"
$(Q) $(CROSS)gcc -c $(CFLAGS) -o $@ $^
$(APP_CODE): $(APP_OBJ)
@echo " CC $^ -> $@"
$(Q) $(CROSS)objcopy -O binary -j.text $^ $(APP_BIN)
$(Q) $(BIN2C) < $(APP_BIN) > $@
clean:
$(Q) rm -rf $(BUILD_DIR)
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