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https://github.com/openwrt/openwrt.git
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Ahmed Naseef
8b8e47906f
The tclinux TRX generator hardcodes the address that the bootloader decompresses the kernel to, and TRX_MODEL is a plain global rather than a per-device variable, so the last device to set it wins for every device in the target. The free bootbase jump stub is also emitted as a big endian instruction, which is wrong on little endian subtargets. Add a --loadaddr option to tclinux-trx.sh, export TRX_MODEL and TRX_LOADADDR per device and reset both in Device/Default, and pick the jump stub encoding from CONFIG_BIG_ENDIAN. Behaviour is unchanged for the existing devices. Signed-off-by: Ahmed Naseef <naseefkm@gmail.com> Link: https://github.com/openwrt/openwrt/pull/24798 Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
77 lines
2.4 KiB
Makefile
77 lines
2.4 KiB
Makefile
include $(TOPDIR)/rules.mk
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include $(INCLUDE_DIR)/image.mk
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DEVICE_VARS += TRX_MODEL TRX_LOADADDR
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define Target/Description
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Build firmware images for EcoNet MIPS based boards.
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endef
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# tclinux-trx is the default format used in the SDK
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define Build/tclinux-trx
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./tclinux-trx.sh --kernel $@ --rootfs $(IMAGE_ROOTFS) \
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--version $(VERSION_DIST)-$(REVISION) --endian $(TRX_ENDIAN) \
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$(if $(TRX_MODEL),--model $(TRX_MODEL)) \
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$(if $(TRX_LOADADDR),--loadaddr $(TRX_LOADADDR)) > $@.new
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mv $@.new $@
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endef
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# Build TRX without rootfs, for use with UBI root
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define Build/kernel-trx
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./tclinux-trx.sh --kernel $@ \
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--version $(VERSION_DIST)-$(REVISION) --endian $(TRX_ENDIAN) \
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$(if $(TRX_MODEL),--model $(TRX_MODEL)) \
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$(if $(TRX_LOADADDR),--loadaddr $(TRX_LOADADDR)) > $@.new
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mv $@.new $@
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endef
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# If TCSUPPORT_FREE_BOOTBASE is enabled, bootloader will decompress the kernel
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# at 0x80002000 instead of 0x80020000.
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#
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# You can tell it by looking at the bootloader version string
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# " at %s version %s free bootbase".
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define Build/tclinux-free-bootbase-jump
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@[ "$(KERNEL_LOADADDR)" = 0x80020000 ] || { \
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$(call ERROR_MESSAGE,WARNING: KERNEL_LOADADDR changed); \
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rm -f $@; \
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}
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printf '$(if $(CONFIG_BIG_ENDIAN),\010\000\200\000,\000\200\000\010)' > $@.new
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dd if=/dev/zero bs=122876 count=1 >> $@.new
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cat $@ >> $@.new
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mv $@.new $@
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endef
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# tclinux bootloader requires LZMA, BUT only provides 7.5MB of space
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# to decompress into. So we use vmlinuz and decompress twice.
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define Device/Default
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DEVICE_DTS_DIR := ../dts
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BLOCKSIZE := 128k
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PAGESIZE := 2048
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# decompression buffer limit, the size of LZMA-compressed data is read from
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# the trx header
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KERNEL_SIZE := 7480k
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KERNEL_NAME := vmlinuz.bin
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KERNEL_LOADADDR := 0x80020000
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KERNEL := kernel-bin | append-dtb
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UBINIZE_OPTS := -E 5
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TRX_MODEL :=
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TRX_LOADADDR :=
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endef
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# Kernel in a raw TRX partition, root squashfs in UBI. FACTORY_SIZE must be the
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# size of the partition the .trx is written into; that write is linear, so an
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# oversized image overruns it into the next partition.
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define Device/tclinux-ubi
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KERNEL_SIZE := 4096k
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KERNEL := kernel-bin | append-dtb | lzma | kernel-trx
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KERNEL_INITRAMFS := kernel-bin | append-dtb
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IMAGES := tclinux.trx sysupgrade.bin
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IMAGE/tclinux.trx := append-kernel | pad-to $$$$(KERNEL_SIZE) | append-ubi | \
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check-size $$$$(FACTORY_SIZE)
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IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
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endef
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include $(SUBTARGET).mk
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$(eval $(call BuildImage))
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