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openwrt-6.x/target/linux/bmips/image/Makefile
Robert Marko 4a7de50769 bcm63xx-cfe: install into image staging dir 
Currently, bcm63xx-cfe is being installed into kernel build dir, however
that does not work for Image Builder as only certain artifacts from kernel
build dir are included in Image Builder.

So, simply install bcm63xx-cfe into image staging dir so its artifacts can
be used in Image Builder as well.

Fixes: #18408
Fixes: #18409
Link: https://github.com/openwrt/openwrt/pull/18463
Signed-off-by: Robert Marko <robimarko@gmail.com>
2025-04-13 10:44:19 +02:00

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Makefile
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# SPDX-License-Identifier: GPL-2.0-or-later
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
KERNEL_LOADADDR := 0x80010000 # RAM start + 64K
UBOOT_ENTRY := 0x81c00000
LOADER_ENTRY := 0x81000000 # RAM start + 16M, for relocate
LZMA_TEXT_START := 0x82000000 # RAM start + 32M
DEVICE_VARS += CFE_BOARD_ID CFE_EXTRAS
DEVICE_VARS += CFE_PART_FLAGS CFE_PART_ID
DEVICE_VARS += CFE_RAM_FILE
DEVICE_VARS += CFE_RAM_JFFS2_NAME CFE_RAM_JFFS2_PAD
DEVICE_VARS += CFE_WFI_CHIP_ID CFE_WFI_FLASH_TYPE
DEVICE_VARS += CFE_WFI_FLAGS CFE_WFI_VERSION
DEVICE_VARS += CHIP_ID DEVICE_LOADADDR
DEVICE_VARS += FLASH_MB IMAGE_OFFSET
DEVICE_VARS += SERCOMM_FSVER SERCOMM_HWVER SERCOMM_SWVER
define Build/Compile
rm -rf $(KDIR)/relocate
$(CP) ../../generic/image/relocate $(KDIR)
$(MAKE) -C $(KDIR)/relocate \
CACHELINE_SIZE=16 \
CROSS_COMPILE=$(TARGET_CROSS) \
KERNEL_ADDR=$(KERNEL_LOADADDR) \
LZMA_TEXT_START=$(LOADER_ENTRY)
endef
### Kernel scripts ###
define Build/loader-lzma
@rm -rf $@.src
$(MAKE) -C lzma-loader \
CHIP_ID=$(CHIP_ID) \
KERNEL_ADDR=$(KERNEL_LOADADDR) \
KDIR=$(KDIR) \
LOADER_ADDR=$(if $(DEVICE_LOADADDR),$(DEVICE_LOADADDR),$(LOADER_ENTRY)) \
LOADER_DATA="$@" \
LOADER_NAME="$(notdir $@)" \
LZMA_TEXT_START=$(LZMA_TEXT_START) \
PKG_BUILD_DIR="$@.src" \
TARGET_DIR="$(dir $@)" \
compile loader.$(1)
@mv "$@.$(1)" "$@"
@rm -rf $@.src
endef
define Build/lzma-cfe
# CFE is a LZMA nazi! It took me hours to find out the parameters!
# Also I think lzma has a bug cause it generates different output depending on
# if you use stdin / stdout or not. Use files instead of stdio here, cause
# otherwise CFE will complain and not boot the image.
$(call Build/lzma-no-dict,-d22 -fb64 -a1)
# Strip out the length, CFE doesn't like this
dd if=$@ of=$@.new bs=5 count=1
dd if=$@ of=$@.new ibs=13 obs=5 skip=1 seek=1 conv=notrunc
@mv $@.new $@
endef
define Build/relocate-kernel
# CFE only allows ~4 MiB for the uncompressed kernels, but uncompressed
# kernel might get larger than that, so let CFE unpack and load at a
# higher address and make the kernel relocate itself to the expected
# location.
( \
dd if=$(KDIR)/relocate/loader.bin bs=32 conv=sync && \
perl -e '@s = stat("$@"); print pack("N", @s[7])' && \
cat $@ \
) > $@.relocate
@mv $@.relocate $@
endef
### Image scripts ###
define rootfspad/jffs2-128k
--align-rootfs
endef
define rootfspad/jffs2-64k
--align-rootfs
endef
define rootfspad/squashfs
endef
define Image/FileSystemStrip
$(firstword $(subst +,$(space),$(subst root.,,$(notdir $(1)))))
endef
define Build/cfe-bin
$(STAGING_DIR_HOST)/bin/imagetag -i $(IMAGE_KERNEL) -f $(IMAGE_ROOTFS) \
--output $@ --boardid $(CFE_BOARD_ID) --chipid $(CHIP_ID) \
--entry $(LOADER_ENTRY) --load-addr $(LOADER_ENTRY) \
--info1 "$(call ModelNameLimit16,$(DEVICE_NAME))" \
--info2 "$(call Image/FileSystemStrip,$(IMAGE_ROOTFS))" \
$(call rootfspad/$(call Image/FileSystemStrip,$(IMAGE_ROOTFS))) \
$(CFE_EXTRAS) $(1)
endef
# Build a CFE image with just U-Boot
define Build/cfe-bin-uboot
cp $(STAGING_DIR_IMAGE)/$(DEVICE_NAME)-u-boot.bin $@
$(call Build/lzma)
mv $@ $@.uboot.lzma
echo "dummy" > $@.dummyfs
$(STAGING_DIR_HOST)/bin/imagetag -i $@.uboot.lzma -f $@.dummyfs \
--output $@ --boardid $(CFE_BOARD_ID) --chipid $(CHIP_ID) \
--entry $(UBOOT_ENTRY) --load-addr $(UBOOT_ENTRY) \
--info1 "$(call ModelNameLimit16,$(DEVICE_NAME))" \
$(CFE_EXTRAS) $(1)
rm $@.uboot.lzma
rm $@.dummyfs
endef
define Build/cfe-jffs2
$(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
--big-endian \
--pad \
--no-cleanmarkers \
--eraseblock=$(patsubst %k,%KiB,$(BLOCKSIZE)) \
--root=$(1) \
--output=$@ \
--compression-mode=none
$(call Build/pad-to,$(BLOCKSIZE))
endef
define Build/cfe-jffs2-cferam
mv $@ $@.kernel
rm -rf $@-cferam
mkdir -p $@-cferam
# CFE ROM checks JFFS2 dirent version of cferam.
# If version is not > 0 it will ignore the fs entry.
# JFFS2 sets version 0 to the first fs entry and increments
# it on the following ones, so let's create a dummy file that
# will have version 0 and let cferam be the second (version 1).
touch $@-cferam/1-openwrt
# Add cferam as the last file in the JFFS2 partition
cp $(STAGING_DIR_IMAGE)/bcm63xx-cfe/$(CFE_RAM_FILE) $@-cferam/$(CFE_RAM_JFFS2_NAME)
# The JFFS2 partition creation should result in the following
# layout:
# 1) 1-openwrt (version 0, ino 2)
# 2) cferam.000 (version 1, ino 3)
$(call Build/cfe-jffs2,$@-cferam)
# Some devices need padding between CFE RAM and kernel
$(if $(CFE_RAM_JFFS2_PAD),$(call Build/pad-to,$(CFE_RAM_JFFS2_PAD)))
# Add CFE partition tag
$(if $(CFE_PART_ID),$(call Build/cfe-part-tag))
# Append kernel
dd if=$@.kernel >> $@
rm -f $@.kernel
endef
define Build/cfe-jffs2-kernel
rm -rf $@-kernel
mkdir -p $@-kernel
# CFE RAM checks JFFS2 dirent version of vmlinux.
# If version is not > 0 it will ignore the fs entry.
# JFFS2 sets version 0 to the first fs entry and increments
# it on the following ones, so let's create a dummy file that
# will have version 0 and let cferam be the second (version 1).
touch $@-kernel/1-openwrt
# vmlinux is located on a different JFFS2 partition, but CFE RAM
# ignores it, so let's create another dummy file that will match
# the JFFS2 ino of cferam entry on the first JFFS2 partition.
# CFE RAM won't be able to find vmlinux if cferam has the same
# ino as vmlinux.
touch $@-kernel/2-openwrt
# Add vmlinux as the last file in the JFFS2 partition
$(TOPDIR)/scripts/cfe-bin-header.py \
--input-file $@ \
--output-file $@-kernel/vmlinux.lz \
--load-addr $(if $(DEVICE_LOADADDR),$(DEVICE_LOADADDR),$(LOADER_ENTRY)) \
--entry-addr $(if $(DEVICE_LOADADDR),$(DEVICE_LOADADDR),$(LOADER_ENTRY))
# The JFFS2 partition creation should result in the following
# layout:
# 1) 1-openwrt (version 0, ino 2)
# 2) 2-openwrt (version 1, ino 3)
# 3) vmlinux.lz (version 2, ino 4)
$(call Build/cfe-jffs2,$@-kernel)
endef
define Build/cfe-part-tag
mv $@ $@.part
$(TOPDIR)/scripts/cfe-partition-tag.py \
--input-file $@.part \
--output-file $@ \
--flags $(CFE_PART_FLAGS) \
--id $(CFE_PART_ID) \
--name $(VERSION_CODE) \
--version $(DEVICE_NAME)
$(call Build/pad-to,$(BLOCKSIZE))
dd if=$@.part >> $@
endef
define Build/cfe-sercomm-crypto
$(TOPDIR)/scripts/sercomm-crypto.py \
--input-file $@ \
--key-file $@.key \
--output-file $@.ser \
--version OpenWrt
$(STAGING_DIR_HOST)/bin/openssl enc -md md5 -aes-256-cbc \
-in $@ -out $@.enc \
-K `cat $@.key` \
-iv 00000000000000000000000000000000
dd if=$@.enc >> $@.ser
mv $@.ser $@
rm -f $@.enc $@.key
endef
define Build/cfe-sercomm-load
$(TOPDIR)/scripts/sercomm-pid.py \
--hw-version $(SERCOMM_HWVER) \
--sw-version $(SERCOMM_SWVER) \
--extra-padding-size 0x10 \
--pid-file $@.pid
$(TOPDIR)/scripts/sercomm-payload.py \
--input-file $@ \
--output-file $@.new \
--pid-file $@.pid
mv $@.new $@
rm -f $@.pid
endef
define Build/cfe-sercomm-part
$(TOPDIR)/scripts/sercomm-partition-tag.py \
--input-file $@ \
--output-file $@.kernel_rootfs \
--part-name kernel_rootfs \
--part-version OpenWrt \
--rootfs-version $(SERCOMM_FSVER)
rm -rf $@-rootfs_lib
mkdir -p $@-rootfs_lib
echo $(SERCOMM_FSVER) > $@-rootfs_lib/lib_ver
$(call Build/cfe-jffs2,$@-rootfs_lib)
$(call Build/pad-to,$(BLOCKSIZE))
$(TOPDIR)/scripts/sercomm-partition-tag.py \
--input-file $@ \
--output-file $@.rootfs_lib \
--part-name rootfs_lib \
--part-version $(SERCOMM_FSVER)
mv $@.kernel_rootfs $@
dd if=$@.rootfs_lib >> $@
endef
define Build/cfe-wfi-tag
$(TOPDIR)/scripts/cfe-wfi-tag.py \
--input-file $@ \
--output-file $@.new \
--version $(if $(1),$(1),$(CFE_WFI_VERSION)) \
--chip-id $(CFE_WFI_CHIP_ID) \
--flash-type $(CFE_WFI_FLASH_TYPE) \
$(if $(CFE_WFI_FLAGS),--flags $(CFE_WFI_FLAGS))
mv $@.new $@
endef
### Device scripts ###
define Device/Default
PROFILES = Default $$(DEVICE_NAME)
KERNEL_DEPENDS = $$(wildcard ../dts/$$(DEVICE_DTS).dts)
DEVICE_DTS_DIR := ../dts
CHIP_ID :=
SOC = bcm$$(CHIP_ID)
DEVICE_DTS = $$(SOC)-$(subst _,-,$(1))
DEVICE_LOADADDR :=
endef
define Device/bcm63xx-cfe
FILESYSTEMS := squashfs jffs2-64k jffs2-128k
KERNEL := kernel-bin | append-dtb | relocate-kernel | lzma
KERNEL_INITRAMFS := kernel-bin | append-dtb | lzma | loader-lzma elf
KERNEL_INITRAMFS_SUFFIX := .elf
IMAGES := cfe.bin sysupgrade.bin
IMAGE/cfe.bin := \
cfe-bin $$$$(if $$$$(FLASH_MB),--pad $$$$(shell expr $$$$(FLASH_MB) / 2))
IMAGE/sysupgrade.bin := cfe-bin | append-metadata
BLOCKSIZE := 0x10000
IMAGE_OFFSET :=
FLASH_MB :=
CFE_BOARD_ID :=
CFE_EXTRAS = --block-size $$(BLOCKSIZE) \
--image-offset $$(if $$(IMAGE_OFFSET),$$(IMAGE_OFFSET),$$(BLOCKSIZE))
endef
# Legacy CFEs with specific LZMA parameters and no length
define Device/bcm63xx-cfe-legacy
$(Device/bcm63xx-cfe)
KERNEL := kernel-bin | append-dtb | relocate-kernel | lzma-cfe
endef
# CFE images with U-Boot in front of the kernel, these will execute
# U-Boot instead of the kernel and U-Boot will then proceed to load
# the kernel. The reason to do this is that CFE is sometimes unable to
# load big kernels even with the lzma loader tricks.
define Device/bcm63xx-cfe-uboot
$(Device/bcm63xx-cfe)
KERNEL := kernel-bin | append-dtb | lzma | uImage lzma
IMAGE/cfe.bin := cfe-bin-uboot | pad-to $$$$$$$$(($$(BLOCKSIZE))) | \
append-kernel | pad-to $$$$$$$$(($$(BLOCKSIZE))) | \
append-rootfs $$$$(if $$$$(FLASH_MB),--pad $$$$(shell expr $$$$(FLASH_MB) / 2))
IMAGE/sysupgrade.bin := cfe-bin-uboot | pad-to $$$$$$$$(($$(BLOCKSIZE))) | \
append-kernel | pad-to $$$$$$$$(($$(BLOCKSIZE))) | \
append-rootfs | append-metadata
endef
# CFE expects a single JFFS2 partition with cferam and kernel. However,
# it's possible to fool CFE into properly loading both cferam and kernel
# from two different JFFS2 partitions by adding dummy files (see
# cfe-jffs2-cferam and cfe-jffs2-kernel).
# Separate JFFS2 partitions allow upgrading openwrt without reflashing cferam
# JFFS2 partition, which is much safer in case anything goes wrong.
define Device/bcm63xx-nand
FILESYSTEMS := squashfs ubifs
KERNEL := kernel-bin | append-dtb | relocate-kernel | lzma | cfe-jffs2-kernel
KERNEL_INITRAMFS := kernel-bin | append-dtb | lzma | loader-lzma elf
KERNEL_INITRAMFS_SUFFIX := .elf
IMAGES := cfe.bin sysupgrade.bin
IMAGE/cfe.bin := append-kernel | pad-to $$$$(KERNEL_SIZE) |\
cfe-jffs2-cferam | append-ubi | cfe-wfi-tag
IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
KERNEL_SIZE := 5120k
CFE_PART_FLAGS :=
CFE_PART_ID :=
CFE_RAM_FILE :=
CFE_RAM_JFFS2_NAME :=
CFE_RAM_JFFS2_PAD :=
CFE_WFI_VERSION :=
CFE_WFI_CHIP_ID = 0x$$(CHIP_ID)
CFE_WFI_FLASH_TYPE :=
CFE_WFI_FLAGS :=
UBINIZE_OPTS := -E 5
DEVICE_PACKAGES += nand-utils
endef
define Device/bcm63xx-netgear
$(Device/bcm63xx-cfe)
DEVICE_VENDOR := NETGEAR
IMAGES := factory.chk sysupgrade.bin
IMAGE/factory.chk := cfe-bin | netgear-chk
NETGEAR_BOARD_ID :=
NETGEAR_REGION :=
endef
define Device/sercomm-nand
$(Device/bcm63xx-nand)
IMAGES := factory.img sysupgrade.bin
IMAGE/factory.img := append-kernel | pad-to $$$$(KERNEL_SIZE) | append-ubi |\
cfe-sercomm-part | gzip | cfe-sercomm-load | cfe-sercomm-crypto
SERCOMM_FSVER :=
SERCOMM_HWVER :=
SERCOMM_SWVER :=
endef
### Package helpers ###
ATH9K_PACKAGES := kmod-ath9k kmod-owl-loader wpad-basic-mbedtls
B43_PACKAGES := kmod-b43 wpad-basic-mbedtls
USB1_PACKAGES := kmod-usb-ohci kmod-usb-ledtrig-usbport
USB2_PACKAGES := $(USB1_PACKAGES) kmod-usb2
include $(SUBTARGET).mk
$(eval $(call BuildImage))
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