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openwrt/target/linux/bmips/image/Makefile
Álvaro Fernández Rojas 434434ca47 bmips: bump LOADER_ENTRY to RAM + 16M 
This is needed on devices like Sercomm AD1018 for booting recent kernels due
to bigger kernels.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2023-06-15 20:47:40 +02:00

344 lines
10 KiB
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
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
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 $(KDIR)/bcm63xx-cfe/$(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 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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