diff options
Diffstat (limited to 'make_helpers/armv7-a-cpus.mk')
| -rw-r--r-- | make_helpers/armv7-a-cpus.mk | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/make_helpers/armv7-a-cpus.mk b/make_helpers/armv7-a-cpus.mk new file mode 100644 index 000000000..5a1c75ce5 --- /dev/null +++ b/make_helpers/armv7-a-cpus.mk @@ -0,0 +1,33 @@ +# +# Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. +# +# SPDX-License-Identifier: BSD-3-Clause +# + +ifneq (${ARCH},aarch32) +$(error ARM_ARCH_MAJOR=7 mandates ARCH=aarch32) +endif + +# For ARMv7, set march32 from platform directive ARMV7_CORTEX_Ax=yes +# and ARM_WITH_NEON=yes/no. +# +# GCC and Clang require -march=armv7-a for C-A9 and -march=armv7ve for C-A15. +# armClang requires -march=armv7-a for all ARMv7 Cortex-A. To comply with +# all, just drop -march and supply only -mcpu. + +# Platform can override march32-directive through MARCH32_DIRECTIVE +ifdef MARCH32_DIRECTIVE +march32-directive := $(MARCH32_DIRECTIVE) +else +march32-set-${ARM_CORTEX_A5} := -mcpu=cortex-a5 +march32-set-${ARM_CORTEX_A7} := -mcpu=cortex-a7 +march32-set-${ARM_CORTEX_A9} := -mcpu=cortex-a9 +march32-set-${ARM_CORTEX_A12} := -mcpu=cortex-a12 +march32-set-${ARM_CORTEX_A15} := -mcpu=cortex-a15 +march32-set-${ARM_CORTEX_A17} := -mcpu=cortex-a17 +march32-neon-$(ARM_WITH_NEON) := -mfpu=neon + +# default to -march=armv7-a as target directive +march32-set-yes ?= -march=armv7-a +march32-directive := ${march32-set-yes} ${march32-neon-yes} +endif |