# # 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} ${march32-neon-yes} endif # Platform may override these extension support directives: # # ARMV7_SUPPORTS_LARGE_PAGE_ADDRESSING # Defined if core supports the Large Page Addressing extension. # # ARMV7_SUPPORTS_VIRTUALIZATION # Defined if ARMv7 core supports the Virtualization extension. # # ARMV7_SUPPORTS_GENERIC_TIMER # Defined if ARMv7 core supports the Generic Timer extension. ifeq ($(filter yes,$(ARM_CORTEX_A7) $(ARM_CORTEX_A12) $(ARM_CORTEX_A15) $(ARM_CORTEX_A17)),yes) $(eval $(call add_defines,\ $(sort \ ARMV7_SUPPORTS_LARGE_PAGE_ADDRESSING \ ARMV7_SUPPORTS_VIRTUALIZATION \ ARMV7_SUPPORTS_GENERIC_TIMER \ ARMV7_SUPPORTS_VFP \ ))) endif ifeq ($(ARM_CORTEX_A5),yes) $(eval $(call add_define,ARM_CORTEX_A5)) endif