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Commit ead02eb8 authored by Isaac Lee's avatar Isaac Lee
Browse files

Enable armv8-2a supporting on 2nd arch. variant 

Newer cores are implementing armv8-2a ISAs.
Enabling 2nd arch. variant to support for new type of cores.

Test: set TARGET_2ND_ARCH_VARIANT := armv8-2a, build without warnings and not ignore armv8-2a
BUG: 118414869
Change-Id: I1cd64ab0ad9b253ec3d109ebd1dbc7882011ce77
parent 0625f9a5

core/combo/TARGET_linux-arm.mk

+13 −1
Original line number Diff line number Diff line
@@ -36,9 +36,21 @@ endif 
KNOWN_ARMv8_CORES := cortex-a53 cortex-a53.a57 cortex-a55 cortex-a73 cortex-a75 cortex-a76

KNOWN_ARMv8_CORES += kryo denver64 exynos-m1 exynos-m2



KNOWN_ARMv82a_CORES := cortex-a55 cortex-a75



# Check for cores that implement armv8-2a ISAs.

ifneq (,$(filter $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT), $(KNOWN_ARMv82a_CORES)))

  ifneq ($(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT),armv8-2a)

    $(warning $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT) is armv8-2a.)

    ifneq (,$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT))

      $(warning TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT, $(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT), ignored! Use armv8-2a instead.)

    endif

    # Overwrite TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT

    TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT := armv8-2a

  endif

# Many devices (incorrectly) use armv7-a-neon as the 2nd architecture variant

# for cores that implement armv8-a ISAs. The following sets it to armv8-a.

ifneq (,$(filter $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT), $(KNOWN_ARMv8_CORES)))

else ifneq (,$(filter $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT), $(KNOWN_ARMv8_CORES)))

  ifneq ($(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT),armv8-a)

    $(warning $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT) is armv8-a.)

    ifneq (,$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT))

core/combo/arch/arm/armv8-2a.mk

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