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# Configuration for Linux on ARM.
# Generating binaries for the ARMv7-a architecture and higher with NEON
#
ARCH_ARM_HAVE_ARMV7A := true
ARCH_ARM_HAVE_VFP := true
ARCH_ARM_HAVE_VFP_D32 := true
ARCH_ARM_HAVE_NEON := true
ifneq (,$(filter cortex-a15 krait denver,$(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)))
# TODO: krait is not a cortex-a15, we set the variant to cortex-a15 so that
# hardware divide operations are generated. This should be removed and a
# krait CPU variant added to GCC. For clang we specify -mcpu for krait in
# core/clang/arm.mk.
arch_variant_cflags := -mcpu=cortex-a15
# Fake an ARM compiler flag as these processors support LPAE which GCC/clang
# don't advertise.
arch_variant_cflags += -D__ARM_FEATURE_LPAE=1
arch_variant_ldflags := \
-Wl,--no-fix-cortex-a8
else
ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)),cortex-a8)
arch_variant_cflags := -mcpu=cortex-a8
arch_variant_ldflags := \
-Wl,--fix-cortex-a8
else
ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)),cortex-a7)
arch_variant_cflags := -mcpu=cortex-a7
arch_variant_ldflags := \
-Wl,--no-fix-cortex-a8
else
arch_variant_cflags := -march=armv7-a
# Generic ARM might be a Cortex A8 -- better safe than sorry
arch_variant_ldflags := \
-Wl,--fix-cortex-a8
endif
endif
endif
arch_variant_cflags += \
-mfloat-abi=softfp \
-mfpu=neon
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