On 08/03/2016 00:37, Alexander Couzens wrote:
> On most platforms the cmdline is supplied by the loader to the kernel.
> When using an elf loader with cmdline the size is bloated by 512k.
> For loader-elf platforms like the cpe510 better use loader-elf but patch
> the cmdline into the kernel.
>
> wdr1043: Tested loader still works using sysupgade image.
>
> Signed-off-by: Alexander Couzens <[email protected]>
> ---
> target/linux/ar71xx/image/Makefile | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/target/linux/ar71xx/image/Makefile
> b/target/linux/ar71xx/image/Makefile
> index 068d293..723ce9d 100644
> --- a/target/linux/ar71xx/image/Makefile
> +++ b/target/linux/ar71xx/image/Makefile
> @@ -78,7 +78,7 @@ define Build/loader-common
> $(MAKE) -C lzma-loader \
> PKG_BUILD_DIR="[email protected]" \
> TARGET_DIR="$(dir $@)" LOADER_NAME="$(notdir $@)" \
> - KERNEL_CMDLINE="$(CMDLINE)" BOARD="$(BOARDNAME)" \
> + BOARD="$(BOARDNAME)" \
> LZMA_TEXT_START=0x80a00000 LOADADDR=0x80060000 \
> $(1) compile loader.$(LOADER_TYPE)
> mv "$@.$(LOADER_TYPE)" "$@"
> @@ -86,13 +86,17 @@ define Build/loader-common
> endef
>
> define Build/loader-okli-compile
> - $(call Build/loader-common,FLASH_OFFS=$(LOADER_FLASH_OFFS) FLASH_MAX=0)
> + $(call Build/loader-common,FLASH_OFFS=$(LOADER_FLASH_OFFS) FLASH_MAX=0
> KERNEL_CMDLINE="$(CMDLINE)")
> endef
>
> define Build/loader-kernel
> $(call Build/loader-common,LOADER_DATA="$@")
> endef
the above will break. did not check if there are more invocations of
loader-common. you really should check all of them. please mae sure the
patch generates no regressions
John
>
> +define Build/loader-kernel-cmdline
> + $(call Build/loader-common,LOADER_DATA="$@" KERNEL_CMDLINE="$(CMDLINE)")
> +endef
> +
> define Build/loader-okli
> dd if=$(KDIR)/loader-$(1).gz bs=7680 conv=sync of="[email protected]"
> cat "$@" >> "[email protected]"
> @@ -278,7 +282,7 @@ $(Device/tplink)
> COMPILE := loader-$(1).gz
> COMPILE/loader-$(1).gz := loader-okli-compile
> KERNEL := copy-file $(KDIR)/vmlinux.bin.lzma | uImage lzma -M 0x4f4b4c49 |
> loader-okli $(1)
> - KERNEL_INITRAMFS := copy-file $(KDIR)/vmlinux-initramfs.bin.lzma |
> loader-kernel | mktplinkfw-initramfs
> + KERNEL_INITRAMFS := copy-file $(KDIR)/vmlinux-initramfs.bin.lzma |
> loader-kernel-cmdline | mktplinkfw-initramfs
> endef
>
> define Device/tplink-4m
>
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