firmware/Makefile

140 lines
5.4 KiB
Makefile

ROOT_DIR := $(CURDIR)
BR_VER := 2020.02
BR_DIR := $(ROOT_DIR)/buildroot-$(BR_VER)
BR_EXT_DIR := $(ROOT_DIR)/br-ext-chip-hisilicon
#BR_EXT_DIR := $(ROOT_DIR)/br-ext-chip-sigmastar
#BR_EXT_DIR := $(ROOT_DIR)/br-ext-chip-xiongmai
SCRIPTS_DIR := $(ROOT_DIR)/scripts
BOARDS := $(shell ls -1 $(BR_EXT_DIR)/configs)
.PHONY: usage help prepare install-deps all toolchain-params run-tests overlayed-rootfs-%
usage help:
@echo \
"\n\
BR-OpenIPC usage:\n\
- make help|usage - print this help\n\
- make install-deps - install system deps\n\
- make prepare - download and unpack buildroot\n\
- make list-configs - show avalible hardware configs list\n\
- make BOARD=<BOARD-ID> board-info - write to stdout information about selected board\n\
- make BOARD=<BOARD-ID> all - build all needed for a board (toolchain, kernel and rootfs images)\n\
- make overlayed-rootfs-<FS-TYPE> ROOTFS_OVERLAYS=... - create rootfs image that contains original\n\
Buildroot target dir overlayed by some custom layers.\n\
Example:\n\
make overlayed-rootfs-squashfs ROOTFS_OVERLAYS=./examples/echo_server/overlay\n\
"
prepare: $(BR_DIR)
$(ROOT_DIR)/buildroot-$(BR_VER).tar.gz:
wget -O $@ --header="Host: buildroot.org" --no-check-certificate https://buildroot.org/downloads/buildroot-$(BR_VER).tar.gz
$(BR_DIR): $(ROOT_DIR)/buildroot-$(BR_VER).tar.gz
tar -C $(ROOT_DIR) -xf buildroot-$(BR_VER).tar.gz
rm -f buildroot-$(BR_VER).tar.gz
install-deps:
DEBIAN_FRONTEND=noninteractive sudo apt-get update && sudo apt-get -y install build-essential make libncurses-dev wget
%_info:
@echo
@cat $(BR_EXT_DIR)/board/$(subst _info,,$@)/config | grep RAM_LINUX_SIZE
$(eval VENDOR := $(shell echo $@ | cut -d "_" -f 1))
$(eval FAMILY := $(shell cat $(BR_EXT_DIR)/board/$(subst _info,,$@)/config | grep FAMILY | cut -d "=" -f 2))
$(eval CHIP := $(shell echo $@ | cut -d "_" -f 3))
@cat $(BR_EXT_DIR)/board/$(FAMILY)/$(CHIP).config
list-configs:
@echo
@ls -1 $(BR_EXT_DIR)/configs
# -------------------------------------------------------------------------------------------------
OUT_DIR ?= $(ROOT_DIR)/output
# Buildroot considers relative paths relatively to its' own root directory. So we use absolute paths
# to avoid ambiguity
override OUT_DIR := $(abspath $(OUT_DIR))
BOARD_MAKE := $(MAKE) -C $(BR_DIR) BR2_EXTERNAL=$(BR_EXT_DIR) O=$(OUT_DIR)
define CREATE_TOOLCHAIN_PARAMS
eval $$($(BOARD_MAKE) -s --no-print-directory VARS=GNU_TARGET_NAME printvars) \
&& $(SCRIPTS_DIR)/create_toolchain_binding.sh $(OUT_DIR)/host/bin $$GNU_TARGET_NAME \
> $(OUT_DIR)/toolchain-params.mk
endef
# -------------------------------------------------------------------------------------------------
$(OUT_DIR)/.config:
ifndef BOARD
@echo "Variable BOARD must be defined to initialize output directory" >&2 && exit 1
endif
$(BOARD_MAKE) BR2_DEFCONFIG=$(BR_EXT_DIR)/configs/$(BOARD)_defconfig defconfig
$(OUT_DIR)/toolchain-params.mk: $(OUT_DIR)/.config $(SCRIPTS_DIR)/create_toolchain_binding.sh
$(CREATE_TOOLCHAIN_PARAMS)
# -------------------------------------------------------------------------------------------------
# build all needed for a board
all: $(OUT_DIR)/.config $(OUT_DIR)/toolchain-params.mk
$(BOARD_MAKE) all
# -------------------------------------------------------------------------------------------------
# re-create params file
toolchain-params:
$(CREATE_TOOLCHAIN_PARAMS)
# -------------------------------------------------------------------------------------------------
# create rootfs image that contains original Buildroot target dir overlayed by some custom layers
# space-separated list of overlays
ROOTFS_OVERLAYS ?=
# overlayed rootfs directory
ROOTFS_OVERLAYED_DIR ?= $(OUT_DIR)/target-overlayed
# overlayed rootfs image's name (without prefix)
ROOTFS_OVERLAYED_IMAGE ?= rootfs-overlayed
overlayed-rootfs-%: $(OUT_DIR)/.config
$(SCRIPTS_DIR)/create_overlayed_rootfs.sh $(ROOTFS_OVERLAYED_DIR) $(OUT_DIR)/target $(ROOTFS_OVERLAYS)
$(BOARD_MAKE) $(subst overlayed-,,$@) \
BASE_TARGET_DIR=$(abspath $(ROOTFS_OVERLAYED_DIR)) \
ROOTFS_$(call UPPERCASE,$(subst overlayed-rootfs-,,$@))_FINAL_IMAGE_NAME=$(ROOTFS_OVERLAYED_IMAGE).$(subst overlayed-rootfs-,,$@)
# -------------------------------------------------------------------------------------------------
board-info:
@cat $(BR_EXT_DIR)/board/$(BOARD)/config | grep RAM_LINUX_SIZE
$(eval VENDOR := $(shell echo $(BOARD) | cut -d "_" -f 1))
$(eval FAMILY := $(shell cat $(BR_EXT_DIR)/board/$(BOARD)/config | grep FAMILY | cut -d "=" -f 2))
$(eval CHIP := $(shell echo $(BOARD) | cut -d "_" -f 3))
@cat $(BR_EXT_DIR)/board/$(FAMILY)/$(CHIP).config
@cat $(BR_EXT_DIR)/board/$(BOARD)/config
# -------------------------------------------------------------------------------------------------
# such targets (with trimmed `br-` prefix) are passed to Buildroot's Makefile
br-%: $(OUT_DIR)/.config
$(BOARD_MAKE) $(subst br-,,$@)
# -------------------------------------------------------------------------------------------------
run-tests:
$(MAKE) -C $(ROOT_DIR)/tests
# -------------------------------------------------------------------------------------------------
# there are some extra targets of specific packages
include $(sort $(wildcard $(ROOT_DIR)/extra/*.mk))
# -------------------------------------------------------------------------------------------------
# util stuff is below
UPPERCASE = $(shell echo $(1) | tr a-z A-Z)