70 lines
2.9 KiB
Makefile
70 lines
2.9 KiB
Makefile
#
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# Copyright (C) 2006 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Configuration for Linux on ARM.
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# Included by combo/select.mk
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# You can set TARGET_ARCH_VARIANT to use an arch version other
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# than ARMv5TE. Each value should correspond to a file named
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# $(BUILD_COMBOS)/arch/<name>.mk which must contain
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# makefile variable definitions. Their
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# purpose is to allow module Android.mk files to selectively compile
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# different versions of code based upon the funtionality and
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# instructions available in a given architecture version.
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#
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# The blocks also define specific arch_variant_cflags, which
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# include defines, and compiler settings for the given architecture
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# version.
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#
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ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT)),)
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TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT := generic
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endif
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KNOWN_ARMv8_CORES := cortex-a53 cortex-a53.a57 cortex-a55 cortex-a73 cortex-a75 cortex-a76
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KNOWN_ARMv8_CORES += kryo denver64 exynos-m1 exynos-m2
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# Many devices (incorrectly) use armv7-a-neon as the 2nd architecture variant
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# for cores that implement armv8-a ISAs. The following sets it to armv8-a.
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ifneq (,$(filter $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT), $(KNOWN_ARMv8_CORES)))
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ifneq ($(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT),armv8-a)
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$(warning $(TARGET_$(combo_2nd_arch_prefix)CPU_VARIANT) is armv8-a.)
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ifneq (,$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT))
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$(warning TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT, $(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT), ignored! Use armv8-a instead.)
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endif
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# Overwrite TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT
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TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT := armv8-a
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endif
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endif
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ifeq ($(strip $(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT)),)
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$(error TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT must be set)
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endif
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TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_$(combo_2nd_arch_prefix)ARCH)/$(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT).mk
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ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),)
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$(error Unknown ARM architecture version: $(TARGET_$(combo_2nd_arch_prefix)ARCH_VARIANT))
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endif
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include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
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include $(BUILD_SYSTEM)/combo/fdo.mk
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define $(combo_var_prefix)transform-shared-lib-to-toc
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$(call _gen_toc_command_for_elf,$(1),$(2))
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endef
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$(combo_2nd_arch_prefix)TARGET_PACK_MODULE_RELOCATIONS := true
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$(combo_2nd_arch_prefix)TARGET_LINKER := /system/bin/linker
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