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Makefile
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Makefile
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BR_VER = 2024.02.6
BR_MAKE = $(MAKE) -C $(TARGET)/buildroot-$(BR_VER) BR2_EXTERNAL=$(PWD)/general O=$(TARGET)
BR_LINK = https://github.com/buildroot/buildroot/archive
BR_FILE = /tmp/buildroot-$(BR_VER).tar.gz
BR_CONF = $(TARGET)/openipc_defconfig
TARGET ?= $(PWD)/output
CONFIG = $(error variable BOARD not defined)
TIMER := $(shell date +%s)
ifeq ($(or $(MAKECMDGOALS), $(BOARD)),)
LIST := $(shell find ./br-ext-*/configs/*_defconfig | sort | \
sed -E "s/br-ext-chip-(.+).configs.(.+)_defconfig/'\2' '\1 \2'/")
BOARD := $(or $(shell whiptail --title "Available boards" --menu "Select a config:" 20 70 12 \
--notags $(LIST) 3>&1 1>&2 2>&3),$(CONFIG))
endif
ifneq ($(BOARD),)
CONFIG := $(shell find br-ext-*/configs/*_defconfig | grep -m1 $(BOARD))
include $(CONFIG)
endif
all: build repack timer
build: defconfig
@$(BR_MAKE) all
br-%: defconfig
@$(BR_MAKE) $(subst br-,,$@)
defconfig: prepare
@echo --- $(or $(CONFIG),$(error variable BOARD not found))
@cat $(CONFIG) $(PWD)/general/openipc.fragment > $(BR_CONF)
@$(BR_MAKE) BR2_DEFCONFIG=$(BR_CONF) defconfig
prepare:
@if test ! -e $(TARGET)/buildroot-$(BR_VER); then \
wget -c -q $(BR_LINK)/$(BR_VER).tar.gz -O $(BR_FILE); \
mkdir -p $(TARGET); tar -xf $(BR_FILE) -C $(TARGET); fi
help:
@printf "BR-OpenIPC usage:\n \
- make list - show available device configurations\n \
- make deps - install build dependencies\n \
- make clean - remove defconfig and target folder\n \
- make package - list available packages\n \
- make distclean - remove buildroot and output folder\n \
- make br-linux - build linux kernel only\n\n"
list:
@ls -1 br-ext-chip-*/configs
package:
@find $(PWD)/general/package/* -maxdepth 0 -type d -printf "br-%f\n" | grep -v patch
toolname:
@echo toolchain.$(BR2_OPENIPC_SOC_VENDOR)-$(BR2_OPENIPC_SOC_FAMILY)
clean:
@rm -rf $(TARGET)/build $(TARGET)/images $(TARGET)/per-package $(TARGET)/target
distclean:
@rm -rf $(BR_FILE) $(TARGET)
deps:
sudo apt-get install -y automake autotools-dev bc build-essential cpio \
curl file fzf git libncurses-dev libtool lzop make rsync unzip wget libssl-dev
timer:
@echo - Build time: $(shell date -d @$(shell expr $(shell date +%s) - $(TIMER)) -u +%M:%S)
toolchain: defconfig
ifeq ($(BR2_TOOLCHAIN_EXTERNAL),y)
@$(MAKE) -f $(PWD)/general/toolchain.mk BR_CONF=$(BR_CONF) CONFIG=$(PWD)/$(CONFIG)
@$(BR_MAKE) BR2_DEFCONFIG=$(BR_CONF) defconfig
endif
@$(BR_MAKE) sdk
repack:
ifeq ($(BR2_TARGET_ROOTFS_SQUASHFS),y)
ifeq ($(BR2_OPENIPC_FLASH_SIZE),"8")
@$(call PREPARE_REPACK,uImage,2048,rootfs.squashfs,5120,nor)
else
@$(call PREPARE_REPACK,uImage,2048,rootfs.squashfs,8192,nor)
endif
endif
ifeq ($(BR2_TARGET_ROOTFS_UBI),y)
ifeq ($(BR2_OPENIPC_SOC_VENDOR),"rockchip")
@$(call PREPARE_REPACK,zboot.img,4096,rootfs.ubi,16384,nand)
else ifeq ($(BR2_OPENIPC_SOC_VENDOR),"sigmastar")
@$(call PREPARE_REPACK,,,rootfs.ubi,16384,nand)
else
@$(call PREPARE_REPACK,uImage,4096,rootfs.ubi,16384,nand)
endif
endif
ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
@$(call PREPARE_REPACK,uImage,16384,,,initramfs)
endif
define PREPARE_REPACK
$(if $(1),$(call CHECK_SIZE,$(1),$(2)))
$(if $(3),$(call CHECK_SIZE,$(3),$(4)))
$(call REPACK_FIRMWARE,$(1),$(3),$(5))
endef
define CHECK_SIZE
$(eval FILE_SIZE = $(shell expr $(shell stat -c %s $(TARGET)/images/$(1) || echo 0) / 1024))
if test $(FILE_SIZE) -eq 0; then exit 1; fi
echo - $(1): [$(FILE_SIZE)KB/$(2)KB]
if test $(FILE_SIZE) -gt $(2); then \
echo -- size exceeded by: $(shell expr $(FILE_SIZE) - $(2))KB; exit 1; fi
endef
define REPACK_FIRMWARE
cd $(TARGET)/images && if test -e rootfs.tar; then mv -f rootfs.tar rootfs.$(BR2_OPENIPC_SOC_MODEL).tar; fi
$(if $(1),cd $(TARGET)/images && if test -e $(1); then mv -f $(1) $(1).$(BR2_OPENIPC_SOC_MODEL); fi)
$(if $(2),cd $(TARGET)/images && if test -e $(2); then mv -f $(2) $(2).$(BR2_OPENIPC_SOC_MODEL); fi)
$(if $(1),cd $(TARGET)/images && md5sum $(1).$(BR2_OPENIPC_SOC_MODEL) > $(1).$(BR2_OPENIPC_SOC_MODEL).md5sum)
$(if $(2),cd $(TARGET)/images && md5sum $(2).$(BR2_OPENIPC_SOC_MODEL) > $(2).$(BR2_OPENIPC_SOC_MODEL).md5sum)
$(if $(1),$(eval KERNEL = $(1).$(BR2_OPENIPC_SOC_MODEL) $(1).$(BR2_OPENIPC_SOC_MODEL).md5sum),$(eval KERNEL =))
$(if $(2),$(eval ROOTFS = $(2).$(BR2_OPENIPC_SOC_MODEL) $(2).$(BR2_OPENIPC_SOC_MODEL).md5sum),$(eval ROOTFS =))
$(eval ARCHIVE = openipc.$(BR2_OPENIPC_SOC_MODEL)-$(3)-$(BR2_OPENIPC_VARIANT).tgz)
cd $(TARGET)/images && tar -czf $(ARCHIVE) $(KERNEL) $(ROOTFS)
rm -f $(TARGET)/images/*.md5sum
endef