37 lines
1.2 KiB
Makefile
37 lines
1.2 KiB
Makefile
# Configuration for Linux on ARM.
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# Generating binaries for the ARMv7-a architecture and higher with NEON
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#
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ARCH_ARM_HAVE_ARMV7A := true
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ARCH_ARM_HAVE_VFP := true
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ARCH_ARM_HAVE_VFP_D32 := true
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ARCH_ARM_HAVE_NEON := true
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ifneq (,$(filter cortex-a15 krait denver,$(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)))
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# TODO: krait is not a cortex-a15, we set the variant to cortex-a15 so that
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# hardware divide operations are generated. This should be removed and a
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# krait CPU variant added to GCC. For clang we specify -mcpu for krait in
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# core/clang/arm.mk.
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arch_variant_cflags := -mcpu=cortex-a15
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# Fake an ARM compiler flag as these processors support LPAE which GCC/clang
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# don't advertise.
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arch_variant_cflags += -D__ARM_FEATURE_LPAE=1
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else
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ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)),cortex-a8)
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arch_variant_cflags := -mcpu=cortex-a8
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else
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ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)),cortex-a7)
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arch_variant_cflags := -mcpu=cortex-a7
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else
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arch_variant_cflags := -march=armv7-a
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endif
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endif
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endif
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arch_variant_cflags += \
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-mfloat-abi=softfp \
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-mfpu=neon
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arch_variant_ldflags := \
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-Wl,--fix-cortex-a8
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