34 lines
1.1 KiB
Makefile
34 lines
1.1 KiB
Makefile
#
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# Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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ifneq (${ARCH},aarch32)
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$(error ARM_ARCH_MAJOR=7 mandates ARCH=aarch32)
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endif
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# For ARMv7, set march32 from platform directive ARMV7_CORTEX_Ax=yes
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# and ARM_WITH_NEON=yes/no.
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#
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# GCC and Clang require -march=armv7-a for C-A9 and -march=armv7ve for C-A15.
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# armClang requires -march=armv7-a for all ARMv7 Cortex-A. To comply with
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# all, just drop -march and supply only -mcpu.
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# Platform can override march32-directive through MARCH32_DIRECTIVE
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ifdef MARCH32_DIRECTIVE
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march32-directive := $(MARCH32_DIRECTIVE)
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else
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march32-set-${ARM_CORTEX_A5} := -mcpu=cortex-a5
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march32-set-${ARM_CORTEX_A7} := -mcpu=cortex-a7
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march32-set-${ARM_CORTEX_A9} := -mcpu=cortex-a9
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march32-set-${ARM_CORTEX_A12} := -mcpu=cortex-a12
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march32-set-${ARM_CORTEX_A15} := -mcpu=cortex-a15
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march32-set-${ARM_CORTEX_A17} := -mcpu=cortex-a17
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march32-neon-$(ARM_WITH_NEON) := -mfpu=neon
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# default to -march=armv7-a as target directive
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march32-set-yes ?= -march=armv7-a
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march32-directive := ${march32-set-yes} ${march32-neon-yes}
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endif
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