############################################################################
# arch/arm/src/armv7-a/Toolchain.defs
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.  The
# ASF licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the
# License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
# License for the specific language governing permissions and limitations
# under the License.
#
############################################################################

ifeq ($(CONFIG_ARCH_CORTEXA5),y)
  ARCHCPUFLAGS += -mcpu=cortex-a5
  LLVM_CPUTYPE := cortex-a5
else ifeq ($(CONFIG_ARCH_CORTEXA7),y)
  ARCHCPUFLAGS += -mcpu=cortex-a7
  LLVM_CPUTYPE := cortex-a7
else ifeq ($(CONFIG_ARCH_CORTEXA8),y)
  ARCHCPUFLAGS += -mcpu=cortex-a8
  LLVM_CPUTYPE := cortex-a8
else ifeq ($(CONFIG_ARCH_CORTEXA9),y)
  ARCHCPUFLAGS += -mcpu=cortex-a9
  LLVM_CPUTYPE := cortex-a9
endif

ifeq ($(CONFIG_ARM_THUMB),y)
  LLVM_ARCHTYPE := thumbv7
else
  LLVM_ARCHTYPE := armv7a
endif

ifneq ($(CONFIG_ARM_DPFPU32),y)
  ARCHFPUD16 = -d16
endif

# Cortex-A5  | -mfpu=vfpv4-fp16 | -mfpu=vfpv4-d16-fp16 | -mfpu=neon-fp16
# Cortex-A7  | -mfpu=vfpv4      | -mfpu=vfpv4-d16      | -mfpu=neon-vfpv4
# Cortex-A8  | -mfpu=vfpv3      |                      | -mfpu=neon (alias for neon-vfpv3)
# Cortex-A9  | -mfpu=vfpv3-fp16 | -mfpu=vfpv3-d16-fp16 | -mfpu=neon-fp16
# Cortex-A15 | -mfpu=vfpv4      |                      | -mfpu=neon-vfpv4

ifeq ($(CONFIG_ARCH_FPU),y)
  LLVM_ABITYPE := eabihf
  ifeq ($(CONFIG_ARM_FPU_ABI_SOFT),y)
    ARCHCPUFLAGS += -mfloat-abi=softfp
  else
    ARCHCPUFLAGS += -mfloat-abi=hard
  endif

  ifeq ($(CONFIG_ARM_NEON),y)
    ARCHNEON = neon-
  endif
  ifeq ($(CONFIG_ARCH_CORTEXA8),y)
    ARCHFPU = vfpv3
  else ifeq ($(CONFIG_ARCH_CORTEXA9),y)
    ARCHFPU = vfpv3
  else
    ARCHFPU = vfpv4
  endif
  ARCHCPUFLAGS += -mfpu=$(ARCHNEON)$(ARCHFPU)$(ARCHFPUD16)

else
  LLVM_ABITYPE := eabi
  ARCHCPUFLAGS += -mfloat-abi=soft
endif

ifeq ($(CONFIG_ARM_TOOLCHAIN_ARMCLANG),y)

  ifeq ($(CONFIG_ARCH_CORTEXA5),y)
    LDCPUFLAGS = Cortex-A5
  else ifeq ($(CONFIG_ARCH_CORTEXA7),y)
    LDCPUFLAGS = Cortex-A7
  else ifeq ($(CONFIG_ARCH_CORTEXA8),y)
    LDCPUFLAGS = Cortex-A8
  else ifeq ($(CONFIG_ARCH_CORTEXA9),y)
    LDCPUFLAGS = Cortex-A9
  endif

  ifeq ($(CONFIG_ARCH_FPU),)
    LDFLAGS += --cpu=$(LDCPUFLAGS).no_neon.no_vfp
  else ifeq ($(CONFIG_ARM_NEON),)
    LDFLAGS += --cpu=$(LDCPUFLAGS).no_neon
  else
    LDFLAGS += --cpu=$(LDCPUFLAGS)
  endif

endif

include $(TOPDIR)/arch/arm/src/common/Toolchain.defs