| Etienne Carriere | 1374fcb | 2017-11-08 13:48:40 +0100 | [diff] [blame] | 1 | # |
| 2 | # Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. |
| 3 | # |
| 4 | # SPDX-License-Identifier: BSD-3-Clause |
| 5 | # |
| 6 | |
| 7 | ifneq (${ARCH},aarch32) |
| 8 | $(error ARM_ARCH_MAJOR=7 mandates ARCH=aarch32) |
| 9 | endif |
| 10 | |
| 11 | # For ARMv7, set march32 from platform directive ARMV7_CORTEX_Ax=yes |
| 12 | # and ARM_WITH_NEON=yes/no. |
| 13 | # |
| 14 | # GCC and Clang require -march=armv7-a for C-A9 and -march=armv7ve for C-A15. |
| 15 | # armClang requires -march=armv7-a for all ARMv7 Cortex-A. To comply with |
| 16 | # all, just drop -march and supply only -mcpu. |
| 17 | |
| 18 | # Platform can override march32-directive through MARCH32_DIRECTIVE |
| 19 | ifdef MARCH32_DIRECTIVE |
| 20 | march32-directive := $(MARCH32_DIRECTIVE) |
| 21 | else |
| 22 | march32-set-${ARM_CORTEX_A5} := -mcpu=cortex-a5 |
| 23 | march32-set-${ARM_CORTEX_A7} := -mcpu=cortex-a7 |
| 24 | march32-set-${ARM_CORTEX_A9} := -mcpu=cortex-a9 |
| 25 | march32-set-${ARM_CORTEX_A12} := -mcpu=cortex-a12 |
| 26 | march32-set-${ARM_CORTEX_A15} := -mcpu=cortex-a15 |
| 27 | march32-set-${ARM_CORTEX_A17} := -mcpu=cortex-a17 |
| 28 | march32-neon-$(ARM_WITH_NEON) := -mfpu=neon |
| 29 | |
| 30 | # default to -march=armv7-a as target directive |
| 31 | march32-set-yes ?= -march=armv7-a |
| 32 | march32-directive := ${march32-set-yes} ${march32-neon-yes} |
| 33 | endif |