DEFAULTTUNE ?= "armv4"

TUNEVALID[arm] = "Enable ARM instruction set"
TUNEVALID[armv4] = "Enable instructions for ARMv4"
TUNE_CCARGS .= "${@bb.utils.contains("TUNE_FEATURES", "armv4", " -march=armv4${ARMPKGSFX_THUMB}", "", d)}"
# enable --fix-v4bx when we have armv4 in TUNE_FEATURES, but then disable it when we have also armv5 or thumb
# maybe we should extend bb.utils.contains to support check for any checkvalues in value, now it does 
# checkvalues.issubset(val) which cannot be used for negative test of foo neither bar in value
FIX_V4BX_ARMV4 = "${@bb.utils.contains("TUNE_FEATURES", "armv4", "--fix-v4bx", "", d)}"
FIX_V4BX_ARMV5 = "${@bb.utils.contains("TUNE_FEATURES", "armv5", "", "${FIX_V4BX_ARMV4}", d)}"
FIX_V4BX = "${@bb.utils.contains("TUNE_FEATURES", "thumb", "", "${FIX_V4BX_ARMV5}", d)}"
TARGET_LD_KERNEL_ARCH += "${FIX_V4BX}"
MACHINEOVERRIDES =. "${@bb.utils.contains("TUNE_FEATURES", "armv4", "armv4:", "" ,d)}"

require conf/machine/include/arm/arch-arm.inc
require conf/machine/include/arm/feature-arm-thumb.inc

# Little Endian
AVAILTUNES += "armv4 armv4t"
ARMPKGARCH_tune-armv4 ?= "armv4"
ARMPKGARCH_tune-armv4t ?= "armv4"
TUNE_FEATURES_tune-armv4 ?= "arm armv4"
TUNE_FEATURES_tune-armv4t ?= "${TUNE_FEATURES_tune-armv4} thumb"
PACKAGE_EXTRA_ARCHS_tune-armv4 = "arm armv4"
PACKAGE_EXTRA_ARCHS_tune-armv4t = "${PACKAGE_EXTRA_ARCHS_tune-armv4} armv4t"

# Big Endian
AVAILTUNES += "armv4b armv4tb"
ARMPKGARCH_tune-armv4b ?= "armv4"
ARMPKGARCH_tune-armv4tb ?= "armv4"
TUNE_FEATURES_tune-armv4b ?= "${TUNE_FEATURES_tune-armv4} bigendian"
TUNE_FEATURES_tune-armv4tb ?= "${TUNE_FEATURES_tune-armv4t} bigendian"
PACKAGE_EXTRA_ARCHS_tune-armv4b = "armeb armv4b"
PACKAGE_EXTRA_ARCHS_tune-armv4tb = "${PACKAGE_EXTRA_ARCHS_tune-armv4b} armv4tb"