Update Config.mk

Author: simbit18

tools/esp32/Config.mk

@@ -130,6 +130,13 @@ else ifeq ($(CONFIG_ESP32_APP_FORMAT_MCUBOOT),y)
 	IMGTOOL_SIGN_ARGS := --pad $(VERIFIED) $(IMGTOOL_ALIGN_ARGS) -v 0 -s auto \
 		-H $(CONFIG_ESP32_APP_MCUBOOT_HEADER_SIZE) --pad-header \
 		-S $(CONFIG_ESP32_OTA_SLOT_SIZE)
+else
+#   CONFIG_ESPRESSIF_SIMPLE_BOOT
+
+	APP_OFFSET     := 0x1000
+	APP_IMAGE      := nuttx.bin
+	FLASH_APP      := $(APP_OFFSET) $(APP_IMAGE)
+	ESPTOOL_BINDIR := .
 endif
 
 ESPTOOL_BINS += $(FLASH_APP)
@@ -262,6 +269,25 @@ define MKIMAGE
 	$(Q) echo nuttx.bin >> nuttx.manifest
 	$(Q) echo "Generated: nuttx.bin (MCUboot compatible)"
 endef
+else
+define MKIMAGE
+	$(Q) echo "MKIMAGE: ESP32 binary"
+	$(Q) if ! esptool.py version 1>/dev/null 2>&1; then \
+		echo ""; \
+		echo "esptool.py not found.  Please run: \"pip install esptool==4.8.dev4\""; \
+		echo ""; \
+		echo "Run make again to create the nuttx.bin image."; \
+		exit 1; \
+	fi
+	$(Q) if [ -z $(FLASH_SIZE) ]; then \
+		echo "Missing Flash memory size configuration."; \
+		exit 1; \
+	fi
+	$(eval ELF2IMAGE_OPTS := $(if $(CONFIG_ESPRESSIF_SIMPLE_BOOT),--ram-only-header) -fs $(FLASH_SIZE) -fm $(FLASH_MODE) -ff $(FLASH_FREQ))
+	$(ESPTOOL_FILE) -c esp32 elf2image $(ELF2IMAGE_OPTS) -o nuttx.bin nuttx
+	$(Q) echo nuttx.bin >> nuttx.manifest
+	$(Q) echo "Generated: nuttx.bin"
+endef
 endif
 endif