| # 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_$(combo_2nd_arch_prefix)CPU_VARIANT))) |
| # TODO: krait is not a cortex-a15, we set the variant to cortex-a15 so that |
| # hardware divide operations are generated. This should be removed and a |
| # krait CPU variant added to GCC. For clang we specify -mcpu for krait in |
| # core/clang/arm.mk. |
| arch_variant_cflags := -mcpu=cortex-a15 |
| |
| # Fake an ARM compiler flag as these processors support LPAE which GCC/clang |
| # don't advertise. |
| arch_variant_cflags += -D__ARM_FEATURE_LPAE=1 |
| else |
| ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)),cortex-a8) |
| arch_variant_cflags := -mcpu=cortex-a8 |
| else |
| ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)),cortex-a7) |
| arch_variant_cflags := -mcpu=cortex-a7 |
| else |
| arch_variant_cflags := -march=armv7-a |
| endif |
| endif |
| endif |
| |
| arch_variant_cflags += \ |
| -mfloat-abi=softfp \ |
| -mfpu=neon |
| |
| arch_variant_ldflags := \ |
| -Wl,--fix-cortex-a8 |