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https://git.yoctoproject.org/meta-zephyr
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871979b4d1
Zephyr upstream contains CMake configuration for a "cross-compile" toolchain for "other cross compilers" which works with the Yocto-built toolchain out-of-the-box, so use this instead of the "yocto" toolchain, which requires a downstream patch to be carried. The Yocto-built toolchain does not support --print-sysroot so that toolchains can be shared between multiple builds with different sysroots, so manually set SYSROOT_DIR to the staging directory. Use the "cross-compile" toolchain by default. Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com> Signed-off-by: Naveen Saini <naveen.kumar.saini@intel.com>
56 lines
1.4 KiB
PHP
56 lines
1.4 KiB
PHP
# Common settings for all Zephyr recipes
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ZEPHYR_INHERIT_CLASSES += "zephyr cmake"
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inherit ${ZEPHYR_INHERIT_CLASSES}
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# There shouldn't be a manifest for zephyr kernels since there is no root
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# filesystem.
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IMAGE_NO_MANIFEST = "1"
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ZEPHYR_TOOLCHAIN_VARIANT ?= "cross-compile"
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require zephyr-toolchain-${ZEPHYR_TOOLCHAIN_VARIANT}.inc
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ZEPHYR_MAKE_OUTPUT = "zephyr.elf"
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ZEPHYR_MAKE_BIN_OUTPUT = "zephyr.bin"
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ZEPHYR_MAKE_EFI_OUTPUT = "zephyr.efi"
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EXTRA_OECMAKE = "\
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-DZEPHYR_BASE=${ZEPHYR_BASE} \
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-DBOARD=${BOARD} \
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-DARCH=${ARCH} \
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-DZEPHYR_TOOLCHAIN_VARIANT=${ZEPHYR_TOOLCHAIN_VARIANT} \
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-DZEPHYR_MODULES=${ZEPHYR_MODULES} \
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"
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ZEPHYR_EXTRA_MODULES = ""
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EXTRA_OECMAKE:append = " -DZEPHYR_EXTRA_MODULES=${ZEPHYR_EXTRA_MODULES}"
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export ZEPHYR_BASE="${S}/zephyr"
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DEPENDS += "gperf-native"
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DEPENDS:append:qemuall = " qemu-native qemu-helper-native"
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# The makefiles are explicit about the flags they want, so don't unset
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# them so zephyr flags actually get used.
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# This is done here rather than in the task so that things still work
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# in devshell.
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python () {
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d.delVar('CFLAGS')
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d.delVar('CXXFLAGS')
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d.delVar('LDFLAGS')
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}
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OE_TERMINAL_EXPORTS += "BOARD"
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OE_TERMINAL_EXPORTS += "ZEPHYR_SRC_DIR"
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OE_TERMINAL_EXPORTS += "ZEPHYR_BASE"
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IMAGE_FSTYPES = "elf bin"
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do_configure:prepend() {
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# Zephyr expects CPPFLAGS as cmake argument as and ignores env variables.
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unset CPPFLAGS
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}
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