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#
# Arm SCP/MCP Software
# Copyright (c) 2015-2020, Arm Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
ifndef BS_CPU_MK
BS_CPU_MK := 1
include $(BS_DIR)/defs.mk
BS_ARCH_CPU := $(BS_FIRMWARE_CPU)
# Supported ARMv7-M CPUs
ARMV7M_CPUS := cortex-m3 cortex-m7
# Supported ARMv8-A CPUs
ARMV8A_CPUS := cortex-a53 cortex-a57 cortex-a57.cortex-a53
ifneq ($(findstring $(BS_FIRMWARE_CPU),$(ARMV7M_CPUS)),)
BS_ARCH_VENDOR := arm
BS_ARCH_ARCH := armv7-m
BS_ARCH_MODE := thumb
LDFLAGS_GCC += --specs=nano.specs
LDFLAGS_ARM += --target=arm-arm-none-eabi
CFLAGS_CLANG += --target=arm-arm-none-eabi
CFLAGS += -mfloat-abi=soft # No hardware floating point support
else ifneq ($(findstring $(BS_FIRMWARE_CPU),$(ARMV8A_CPUS)),)
BS_ARCH_VENDOR := arm
BS_ARCH_ARCH := armv8-a
CFLAGS += -fno-builtin -mstrict-align
DEP_CFLAGS_GCC += -DAARCH64
DEP_ASFLAGS_GCC += -D__ASSEMBLY__
else ifeq ($(BS_FIRMWARE_CPU),host)
BS_ARCH_VENDOR := none
BS_ARCH_ARCH := host
else
$(erro "$(BS_FIRMWARE_CPU) is not a supported CPU. Aborting...")
endif
endif
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