Add KERNEL_EXTRA_ARGS parameter
With recent kernel versions, some ARM configurations need may fail to build with errors like this: multiple load addresses: 0x80008000 0x80008000 This is incompatible with uImages Specify LOADADDR on the commandline to build an uImage We cannot pass this information in EXTRA_OEMAKE, as "meta/classes/kernel.bbclass" explicitly ignores all EXTRA_OEMAKE settings. So add KERNEL_EXTRA_ARGS parameter so affected boards can add for example KERNEL_EXTRA_ARGS = "LOADADDR=0x80008000" to their configuration. We make this general enough so other needed command line options can be passed as well when compiling the kernel. (From OE-Core rev: e3cdd0aafb9081cd7f1f98490087c1157a3d7403) Signed-off-by: Wolfgang Denk <wd@denx.de> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -57,6 +57,9 @@ PACKAGE_ARCH = "${MACHINE_ARCH}"
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UBOOT_ENTRYPOINT ?= "20008000"
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UBOOT_LOADADDRESS ?= "${UBOOT_ENTRYPOINT}"
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# Some Linux kenrel configurations need additional parameters on the command line
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KERNEL_EXTRA_ARGS ?= ""
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# For the kernel, we don't want the '-e MAKEFLAGS=' in EXTRA_OEMAKE.
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# We don't want to override kernel Makefile variables from the environment
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EXTRA_OEMAKE = ""
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@ -71,7 +74,7 @@ KERNEL_IMAGETYPE_FOR_MAKE = "${@(lambda s: s[:-3] if s[-3:] == ".gz" else s)(d.g
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kernel_do_compile() {
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unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
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oe_runmake ${KERNEL_IMAGETYPE_FOR_MAKE} ${KERNEL_ALT_IMAGETYPE} CC="${KERNEL_CC}" LD="${KERNEL_LD}"
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oe_runmake ${KERNEL_IMAGETYPE_FOR_MAKE} ${KERNEL_ALT_IMAGETYPE} CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS}
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if test "${KERNEL_IMAGETYPE_FOR_MAKE}.gz" = "${KERNEL_IMAGETYPE}"; then
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gzip -9c < "${KERNEL_IMAGETYPE_FOR_MAKE}" > "${KERNEL_OUTPUT}"
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fi
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@ -80,7 +83,7 @@ kernel_do_compile() {
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do_compile_kernelmodules() {
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unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS MACHINE
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if (grep -q -i -e '^CONFIG_MODULES=y$' .config); then
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oe_runmake ${PARALLEL_MAKE} modules CC="${KERNEL_CC}" LD="${KERNEL_LD}"
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oe_runmake ${PARALLEL_MAKE} modules CC="${KERNEL_CC}" LD="${KERNEL_LD}" ${KERNEL_EXTRA_ARGS}
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else
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bbnote "no modules to compile"
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fi
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