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809 B
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20 lines
809 B
HTML
# Tuning for ARMV6-m defined in ARM v6-M ArchitectureReference Manual
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# at https://static.docs.arm.com/ddi0419/d/DDI0419D_armv6m_arm.pdf
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DEFAULTTUNE ?= "armv6m"
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TUNEVALID[armv6m] = "Enable instructions for ARMv6-m"
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TUNECONFLICTS[armv6m] = "armv4 armv5 armv6 armv7a"
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# Use armv6s-m instead of armv6-m to avoid gcc bug "SVC is not permitted on this architecture".
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# SVC is a valid instruction.
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TUNE_CCARGS_MARCH .= "${@bb.utils.contains('TUNE_FEATURES', 'armv6m', ' -march=armv6s-m', '', d)}"
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MACHINEOVERRIDES =. "${@bb.utils.contains('TUNE_FEATURES', 'armv6m', 'armv6m:', '', d)}"
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require conf/machine/include/arm/arch-armv5.inc
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# Little Endian
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AVAILTUNES += "armv6m"
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ARMPKGARCH:tune-armv6m = "armv6m"
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TUNE_FEATURES:tune-armv6m = "armv6m"
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PACKAGE_EXTRA_ARCHS:tune-armv6m = "armv6m"
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