143 lines
4.6 KiB
Makefile
143 lines
4.6 KiB
Makefile
# Parameters for the esp-open-rtos make process
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#
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# You can edit this file to change parameters, but a better option is
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# to create a local.mk file and add overrides there. The local.mk file
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# can be in the root directory, or the program directory alongside the
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# Makefile, or both.
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#
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-include $(ROOT)local.mk
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-include local.mk
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# Flash size in megabits
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# Valid values are same as for esptool.py - 2,4,8,16,32
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FLASH_SIZE ?= 16
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# Flash mode, valid values are same as for esptool.py - qio,qout,dio.dout
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FLASH_MODE ?= qio
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# Flash speed in MHz, valid values are same as for esptool.py - 80, 40, 26, 20
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FLASH_SPEED ?= 40
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# Output directories to store intermediate compiled files
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# relative to the program directory
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BUILD_DIR ?= $(PROGRAM_DIR)build/
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FIRMWARE_DIR ?= $(PROGRAM_DIR)firmware/
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# esptool.py from https://github.com/themadinventor/esptool
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ESPTOOL ?= esptool.py
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# serial port settings for esptool.py
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ESPPORT ?= /dev/ttyUSB0
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ESPBAUD ?= 115200
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# firmware tool arguments
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ESPTOOL_ARGS=-fs $(FLASH_SIZE)m -fm $(FLASH_MODE) -ff $(FLASH_SPEED)m
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# set this to 0 if you don't need floating point support in printf/scanf
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# this will save approx 14.5KB flash space and 448 bytes of statically allocated
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# data RAM
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#
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# NB: Setting the value to 0 requires a recent esptool.py (Feb 2016 / commit ebf02c9)
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PRINTF_SCANF_FLOAT_SUPPORT ?= 1
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FLAVOR ?= release # or debug
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# Compiler names, etc. assume gdb
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CROSS ?= xtensa-lx106-elf-
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# Path to the filteroutput.py tool
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FILTEROUTPUT ?= $(ROOT)/utils/filteroutput.py
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AR = $(CROSS)ar
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CC = $(CROSS)gcc
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CPP = $(CROSS)cpp
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LD = $(CROSS)gcc
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NM = $(CROSS)nm
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C++ = $(CROSS)g++
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SIZE = $(CROSS)size
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OBJCOPY = $(CROSS)objcopy
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OBJDUMP = $(CROSS)objdump
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# Source components to compile and link. Each of these are subdirectories
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# of the root, with a 'component.mk' file.
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COMPONENTS ?= $(EXTRA_COMPONENTS) FreeRTOS lwip core open_esplibs
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# binary esp-iot-rtos SDK libraries to link. These are pre-processed prior to linking.
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SDK_LIBS ?= main net80211 phy pp wpa
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# open source libraries linked in
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LIBS ?= hal
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# set to 0 if you want to use the toolchain libc instead of esp-open-rtos newlib
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OWN_LIBC ?= 1
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# Note: you will need a recent esp
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ENTRY_SYMBOL ?= call_user_start
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# Set this to zero if you don't want individual function & data sections
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# (some code may be slightly slower, linking will be slighty slower,
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# but compiled code size will come down a small amount.)
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SPLIT_SECTIONS ?= 1
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# Set this to 1 to have all compiler warnings treated as errors (and stop the
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# build). This is recommended whenever you are working on code which will be
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# submitted back to the main project, as all submitted code will be expected to
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# compile without warnings to be accepted.
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WARNINGS_AS_ERRORS ?= 0
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# Common flags for both C & C++_
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C_CXX_FLAGS ?= -Wall -Wl,-EL -nostdlib $(EXTRA_C_CXX_FLAGS)
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# Flags for C only
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CFLAGS ?= $(C_CXX_FLAGS) -std=gnu99 $(EXTRA_CFLAGS)
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# Flags for C++ only
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CXXFLAGS ?= $(C_CXX_FLAGS) -std=c++0x -fno-exceptions -fno-rtti $(EXTRA_CXXFLAGS)
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# these aren't all technically preprocesor args, but used by all 3 of C, C++, assembler
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CPPFLAGS += -mlongcalls -mtext-section-literals
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LDFLAGS = -nostdlib -Wl,--no-check-sections -L$(BUILD_DIR)sdklib -L$(ROOT)lib -u $(ENTRY_SYMBOL) -Wl,-static -Wl,-Map=$(BUILD_DIR)$(PROGRAM).map $(EXTRA_LDFLAGS)
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ifeq ($(WARNINGS_AS_ERRORS),1)
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C_CXX_FLAGS += -Werror
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endif
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ifeq ($(SPLIT_SECTIONS),1)
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C_CXX_FLAGS += -ffunction-sections -fdata-sections
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LDFLAGS += -Wl,-gc-sections
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endif
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ifeq ($(FLAVOR),debug)
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C_CXX_FLAGS += -g -O0
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LDFLAGS += -g -O0
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else ifeq ($(FLAVOR),sdklike)
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# These are flags intended to produce object code as similar as possible to
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# the output of the compiler used to build the SDK libs (for comparison of
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# disassemblies when coding replacement routines). It is not normally
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# intended to be used otherwise.
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CFLAGS += -O2 -Os -fno-inline -fno-ipa-cp -fno-toplevel-reorder -fno-caller-saves -fconserve-stack
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LDFLAGS += -O2
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else
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C_CXX_FLAGS += -g -O2
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LDFLAGS += -g -O2
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endif
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GITSHORTREV=\"$(shell cd $(ROOT); git rev-parse --short -q HEAD 2> /dev/null)\"
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ifeq ($(GITSHORTREV),\"\")
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GITSHORTREV="\"(nogit)\"" # (same length as a short git hash)
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endif
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CPPFLAGS += -DGITSHORTREV=$(GITSHORTREV)
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LINKER_SCRIPTS += $(ROOT)ld/program.ld $(ROOT)ld/rom.ld
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# rboot firmware binary paths for flashing
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RBOOT_ARGS ?= 0x0 $(RBOOT_BIN) 0x1000 $(RBOOT_CONF)
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RBOOT_BIN = $(ROOT)bootloader/firmware/rboot.bin
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RBOOT_PREBUILT_BIN = $(ROOT)bootloader/firmware_prebuilt/rboot.bin
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RBOOT_CONF = $(ROOT)bootloader/firmware_prebuilt/blank_config.bin
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# if a custom bootloader hasn't been compiled, use the
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# prebuilt binary from the source tree
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ifeq (,$(wildcard $(RBOOT_BIN)))
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RBOOT_BIN=$(RBOOT_PREBUILT_BIN)
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endif
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