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

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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
This commit is contained in:
Isaac Lee 2018-11-13 17:31:28 +08:00
parent 0625f9a524
commit ead02eb87d
2 changed files with 13 additions and 1 deletions
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14
core/combo/TARGET_linux-arm.mk
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@ -36,9 +36,21 @@ endif
KNOWN_ARMv8_CORES := cortex-a53 cortex-a53.a57 cortex-a55 cortex-a73 cortex-a75 cortex-a76 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_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 # 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. # 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_$(combo_2nd_arch_prefix)ARCH_VARIANT),armv8-a) ifneq ($(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT),armv8-a)
$(warning $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT) is armv8-a.) $(warning $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT) is armv8-a.)
ifneq (,$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT)) ifneq (,$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT))

0
core/combo/arch/arm/armv8-2a.mk Normal file
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