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domenico
259
target/linux/bmips/image/Makefile
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259
target/linux/bmips/image/Makefile
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# SPDX-License-Identifier: GPL-2.0-or-later
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include $(TOPDIR)/rules.mk
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include $(INCLUDE_DIR)/image.mk
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KERNEL_LOADADDR := 0x80010000 # RAM start + 64K
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LOADER_ENTRY := 0x80a00000 # RAM start + 10M, for relocate
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RAMSIZE := 0x02000000 # 32MB
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LZMA_TEXT_START := 0x81800000 # 32MB - 8MB
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DEVICE_VARS += CHIP_ID DEVICE_LOADADDR
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define Build/Compile
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rm -rf $(KDIR)/relocate
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$(CP) ../../generic/image/relocate $(KDIR)
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$(MAKE) -C $(KDIR)/relocate \
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CACHELINE_SIZE=16 \
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CROSS_COMPILE=$(TARGET_CROSS) \
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KERNEL_ADDR=$(KERNEL_LOADADDR) \
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LZMA_TEXT_START=$(LOADER_ENTRY)
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endef
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### Kernel scripts ###
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define Build/loader-lzma
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@rm -rf $@.src
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$(MAKE) -C lzma-loader \
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CHIP_ID=$(CHIP_ID) \
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KERNEL_ADDR=$(KERNEL_LOADADDR) \
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KDIR=$(KDIR) \
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LOADER_ADDR=$(if $(DEVICE_LOADADDR),$(DEVICE_LOADADDR),$(LOADER_ENTRY)) \
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LOADER_DATA="$@" \
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LOADER_NAME="$(notdir $@)" \
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LZMA_TEXT_START=$(LZMA_TEXT_START) \
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PKG_BUILD_DIR="$@.src" \
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RAMSIZE=$(RAMSIZE) \
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TARGET_DIR="$(dir $@)" \
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compile loader.$(1)
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@mv "$@.$(1)" "$@"
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@rm -rf $@.src
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endef
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define Build/lzma-cfe
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# CFE is a LZMA nazi! It took me hours to find out the parameters!
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# Also I think lzma has a bug cause it generates different output depending on
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# if you use stdin / stdout or not. Use files instead of stdio here, cause
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# otherwise CFE will complain and not boot the image.
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$(call Build/lzma-no-dict,-d22 -fb64 -a1)
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# Strip out the length, CFE doesn't like this
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dd if=$@ of=$@.new bs=5 count=1
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dd if=$@ of=$@.new ibs=13 obs=5 skip=1 seek=1 conv=notrunc
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@mv $@.new $@
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endef
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define Build/relocate-kernel
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# CFE only allows ~4 MiB for the uncompressed kernels, but uncompressed
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# kernel might get larger than that, so let CFE unpack and load at a
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# higher address and make the kernel relocate itself to the expected
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# location.
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( \
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dd if=$(KDIR)/relocate/loader.bin bs=32 conv=sync && \
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perl -e '@s = stat("$@"); print pack("N", @s[7])' && \
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cat $@ \
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) > $@.relocate
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@mv $@.relocate $@
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endef
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### Image scripts ###
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define rootfspad/jffs2-128k
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--align-rootfs
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endef
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define rootfspad/jffs2-64k
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--align-rootfs
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endef
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define rootfspad/squashfs
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endef
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define Image/FileSystemStrip
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$(firstword $(subst +,$(space),$(subst root.,,$(notdir $(1)))))
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endef
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define Build/cfe-bin
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$(STAGING_DIR_HOST)/bin/imagetag -i $(IMAGE_KERNEL) -f $(IMAGE_ROOTFS) \
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--output $@ --boardid $(CFE_BOARD_ID) --chipid $(CHIP_ID) \
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--entry $(LOADER_ENTRY) --load-addr $(LOADER_ENTRY) \
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--info1 "$(call ModelNameLimit16,$(DEVICE_NAME))" \
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--info2 "$(call Image/FileSystemStrip,$(IMAGE_ROOTFS))" \
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$(call rootfspad/$(call Image/FileSystemStrip,$(IMAGE_ROOTFS))) \
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$(CFE_EXTRAS) $(1)
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endef
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define Build/cfe-jffs2
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$(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
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--big-endian \
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--pad \
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--no-cleanmarkers \
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--eraseblock=$(patsubst %k,%KiB,$(BLOCKSIZE)) \
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--root=$(1) \
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--output=$@ \
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--compression-mode=none
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$(call Build/pad-to,$(BLOCKSIZE))
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endef
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define Build/cfe-jffs2-cferam
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mv $@ $@.kernel
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rm -rf $@-cferam
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mkdir -p $@-cferam
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# CFE ROM checks JFFS2 dirent version of cferam.
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# If version is not > 0 it will ignore the fs entry.
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# JFFS2 sets version 0 to the first fs entry and increments
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# it on the following ones, so let's create a dummy file that
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# will have version 0 and let cferam be the second (version 1).
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touch $@-cferam/1-openwrt
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# Add cferam as the last file in the JFFS2 partition
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cp $(KDIR)/bcm63xx-cfe/$(CFE_RAM_FILE) $@-cferam/$(CFE_RAM_JFFS2_NAME)
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# The JFFS2 partition creation should result in the following
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# layout:
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# 1) 1-openwrt (version 0, ino 2)
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# 2) cferam.000 (version 1, ino 3)
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$(call Build/cfe-jffs2,$@-cferam)
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# Some devices need padding between CFE RAM and kernel
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$(if $(CFE_RAM_JFFS2_PAD),$(call Build/pad-to,$(CFE_RAM_JFFS2_PAD)))
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# Add CFE partition tag
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$(if $(CFE_PART_ID),$(call Build/cfe-part-tag))
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# Append kernel
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dd if=$@.kernel >> $@
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rm -f $@.kernel
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endef
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define Build/cfe-jffs2-kernel
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rm -rf $@-kernel
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mkdir -p $@-kernel
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# CFE RAM checks JFFS2 dirent version of vmlinux.
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# If version is not > 0 it will ignore the fs entry.
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# JFFS2 sets version 0 to the first fs entry and increments
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# it on the following ones, so let's create a dummy file that
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# will have version 0 and let cferam be the second (version 1).
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touch $@-kernel/1-openwrt
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# vmlinux is located on a different JFFS2 partition, but CFE RAM
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# ignores it, so let's create another dummy file that will match
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# the JFFS2 ino of cferam entry on the first JFFS2 partition.
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# CFE RAM won't be able to find vmlinux if cferam has the same
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# ino as vmlinux.
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touch $@-kernel/2-openwrt
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# Add vmlinux as the last file in the JFFS2 partition
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$(TOPDIR)/scripts/cfe-bin-header.py \
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--input-file $@ \
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--output-file $@-kernel/vmlinux.lz \
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--load-addr $(if $(DEVICE_LOADADDR),$(DEVICE_LOADADDR),$(LOADER_ENTRY)) \
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--entry-addr $(if $(DEVICE_LOADADDR),$(DEVICE_LOADADDR),$(LOADER_ENTRY))
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# The JFFS2 partition creation should result in the following
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# layout:
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# 1) 1-openwrt (version 0, ino 2)
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# 2) 2-openwrt (version 1, ino 3)
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# 3) vmlinux.lz (version 2, ino 4)
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$(call Build/cfe-jffs2,$@-kernel)
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endef
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define Build/cfe-part-tag
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mv $@ $@.part
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$(TOPDIR)/scripts/cfe-partition-tag.py \
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--input-file $@.part \
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--output-file $@ \
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--flags $(CFE_PART_FLAGS) \
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--id $(CFE_PART_ID) \
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--name $(VERSION_CODE) \
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--version $(DEVICE_NAME)
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$(call Build/pad-to,$(BLOCKSIZE))
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dd if=$@.part >> $@
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endef
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define Build/cfe-sercomm-crypto
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$(TOPDIR)/scripts/sercomm-crypto.py \
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--input-file $@ \
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--key-file $@.key \
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--output-file $@.ser \
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--version OpenWrt
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$(STAGING_DIR_HOST)/bin/openssl enc -md md5 -aes-256-cbc \
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-in $@ -out $@.enc \
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-K `cat $@.key` \
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-iv 00000000000000000000000000000000
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dd if=$@.enc >> $@.ser
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mv $@.ser $@
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rm -f $@.enc $@.key
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endef
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define Build/cfe-sercomm-load
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$(TOPDIR)/scripts/sercomm-payload.py \
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--input-file $@ \
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--output-file $@.new \
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--pid "$(SERCOMM_PID)"
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mv $@.new $@
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endef
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define Build/cfe-sercomm-part
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$(TOPDIR)/scripts/sercomm-partition-tag.py \
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--input-file $@ \
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--output-file $@.kernel_rootfs \
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--part-name kernel_rootfs \
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--part-version OpenWrt \
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--rootfs-version $(SERCOMM_VERSION)
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rm -rf $@-rootfs_lib
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mkdir -p $@-rootfs_lib
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echo $(SERCOMM_VERSION) > $@-rootfs_lib/lib_ver
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$(call Build/cfe-jffs2,$@-rootfs_lib)
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$(call Build/pad-to,$(BLOCKSIZE))
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$(TOPDIR)/scripts/sercomm-partition-tag.py \
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--input-file $@ \
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--output-file $@.rootfs_lib \
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--part-name rootfs_lib \
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--part-version $(SERCOMM_VERSION)
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mv $@.kernel_rootfs $@
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dd if=$@.rootfs_lib >> $@
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endef
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define Build/cfe-wfi-tag
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$(TOPDIR)/scripts/cfe-wfi-tag.py \
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--input-file $@ \
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--output-file $@.new \
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--version $(if $(1),$(1),$(CFE_WFI_VERSION)) \
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--chip-id $(CFE_WFI_CHIP_ID) \
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--flash-type $(CFE_WFI_FLASH_TYPE) \
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$(if $(CFE_WFI_FLAGS),--flags $(CFE_WFI_FLAGS))
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mv $@.new $@
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endef
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### Device scripts ###
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define Device/Default
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PROFILES = Default $$(DEVICE_NAME)
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KERNEL_DEPENDS = $$(wildcard ../dts/$$(DEVICE_DTS).dts)
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DEVICE_DTS_DIR := ../dts
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CHIP_ID :=
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SOC = bcm$$(CHIP_ID)
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DEVICE_DTS = $$(SOC)-$(subst _,-,$(1))
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DEVICE_LOADADDR :=
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endef
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ATH9K_PACKAGES := kmod-ath9k wpad-basic-wolfssl
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B43_PACKAGES := kmod-b43 wpad-basic-wolfssl
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USB1_PACKAGES := kmod-usb-ohci kmod-ledtrig-usbdev
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USB2_PACKAGES := $(USB1_PACKAGES) kmod-usb2
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include bcm63xx_$(SUBTARGET).mk
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$(eval $(call BuildImage))
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