bd656888f2
so the correct value can be determinated by Kconfig system automatically Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
143 lines
4.2 KiB
Text
143 lines
4.2 KiB
Text
############################################################################
|
|
# arch/arm/src/armv7-m/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.
|
|
#
|
|
############################################################################
|
|
|
|
# Setup for the selected toolchain
|
|
|
|
#
|
|
# Handle old-style chip-specific toolchain names in the absence of
|
|
# a new-style toolchain specification, force the selection of a single
|
|
# toolchain and allow the selected toolchain to be overridden by a
|
|
# command-line selection.
|
|
#
|
|
|
|
ifeq ($(filter y, \
|
|
$(CONFIG_ARMV7M_TOOLCHAIN_BUILDROOT) \
|
|
),y)
|
|
CONFIG_ARMV7M_TOOLCHAIN ?= BUILDROOT
|
|
endif
|
|
|
|
ifeq ($(filter y, \
|
|
$(CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIL) \
|
|
),y)
|
|
CONFIG_ARMV7M_TOOLCHAIN ?= GNU_EABI
|
|
endif
|
|
|
|
ifeq ($(filter y, \
|
|
$(CONFIG_ARMV7M_TOOLCHAIN_GNU_EABIW) \
|
|
),y)
|
|
CONFIG_ARMV7M_TOOLCHAIN ?= GNU_EABI
|
|
endif
|
|
|
|
ifeq ($(filter y, \
|
|
$(CONFIG_ARMV7M_TOOLCHAIN_CLANGL) \
|
|
),y)
|
|
CONFIG_ARMV7M_TOOLCHAIN ?= CLANG
|
|
endif
|
|
|
|
ifeq ($(filter y, \
|
|
$(CONFIG_ARMV7M_TOOLCHAIN_CLANGW) \
|
|
),y)
|
|
CONFIG_ARMV7M_TOOLCHAIN ?= CLANG
|
|
endif
|
|
|
|
#
|
|
# Supported toolchains
|
|
#
|
|
# Each toolchain definition should set:
|
|
#
|
|
# CROSSDEV The GNU toolchain triple (command prefix)
|
|
# ARCROSSDEV If required, an alternative prefix used when
|
|
# invoking ar and nm.
|
|
# ARCHCPUFLAGS CPU-specific flags selecting the instruction set
|
|
# FPU options, etc.
|
|
# MAXOPTIMIZATION The maximum optimization level that results in
|
|
# reliable code generation.
|
|
#
|
|
|
|
ifeq ($(CONFIG_DEBUG_CUSTOMOPT),y)
|
|
MAXOPTIMIZATION := $(CONFIG_DEBUG_OPTLEVEL)
|
|
endif
|
|
|
|
# Parametrization for ARCHCPUFLAGS
|
|
|
|
ifeq ($(CONFIG_ARCH_CORTEXM4),y)
|
|
TOOLCHAIN_ARM7EM := y
|
|
TOOLCHAIN_MCPU := -mcpu=cortex-m4
|
|
TOOLCHAIN_MTUNE := -mtune=cortex-m4
|
|
TOOLCHAIN_MARCH := -march=armv7e-m
|
|
ifeq ($(CONFIG_ARCH_FPU),y)
|
|
TOOLCHAIN_MFLOAT := -mfpu=fpv4-sp-d16 -mfloat-abi=hard
|
|
else
|
|
TOOLCHAIN_MFLOAT := -mfloat-abi=soft
|
|
endif
|
|
else ifeq ($(CONFIG_ARCH_CORTEXM7),y)
|
|
TOOLCHAIN_ARM7EM := y
|
|
TOOLCHAIN_MCPU := -mcpu=cortex-m7
|
|
TOOLCHAIN_MTUNE := -mtune=cortex-m7
|
|
TOOLCHAIN_MARCH := -march=armv7e-m
|
|
ifeq ($(CONFIG_ARCH_FPU),y)
|
|
ifeq ($(CONFIG_ARCH_DPFPU),y)
|
|
TOOLCHAIN_MFLOAT := -mfpu=fpv5-d16 -mfloat-abi=hard
|
|
else
|
|
TOOLCHAIN_MFLOAT := -mfpu=fpv5-sp-d16 -mfloat-abi=hard
|
|
endif
|
|
else
|
|
TOOLCHAIN_MFLOAT := -mfloat-abi=soft
|
|
endif
|
|
else # ifeq ($(CONFIG_ARCH_CORTEXM3),y)
|
|
TOOLCHAIN_ARM7EM := n
|
|
TOOLCHAIN_MCPU := -mcpu=cortex-m3
|
|
TOOLCHAIN_MTUNE := -mtune=cortex-m3
|
|
TOOLCHAIN_MARCH := -march=armv7-m
|
|
TOOLCHAIN_MFLOAT := -mfloat-abi=soft
|
|
endif
|
|
|
|
# NuttX buildroot under Linux or Cygwin
|
|
|
|
ifeq ($(CONFIG_ARMV7M_TOOLCHAIN),BUILDROOT)
|
|
ifeq ($(CONFIG_ARMV7M_OABI_TOOLCHAIN),y)
|
|
CROSSDEV ?= arm-nuttx-elf-
|
|
ARCROSSDEV ?= arm-nuttx-elf-
|
|
ARCHCPUFLAGS = $(TOOLCHAIN_MCPU) $(TOOLCHAIN_MFLOAT)
|
|
else
|
|
CROSSDEV ?= arm-nuttx-eabi-
|
|
ARCROSSDEV ?= arm-nuttx-eabi-
|
|
ARCHCPUFLAGS = $(TOOLCHAIN_MCPU) -mthumb $(TOOLCHAIN_MFLOAT)
|
|
endif
|
|
MAXOPTIMIZATION ?= -Os
|
|
endif
|
|
|
|
# Generic GNU EABI toolchain
|
|
|
|
ifeq ($(CONFIG_ARMV7M_TOOLCHAIN),GNU_EABI)
|
|
CROSSDEV ?= arm-none-eabi-
|
|
ARCROSSDEV ?= arm-none-eabi-
|
|
MAXOPTIMIZATION ?= -Os
|
|
ARCHCPUFLAGS = $(TOOLCHAIN_MCPU) -mthumb $(TOOLCHAIN_MFLOAT)
|
|
endif
|
|
|
|
# Clang toolchain
|
|
|
|
ifeq ($(CONFIG_ARMV7M_TOOLCHAIN),CLANG)
|
|
CROSSDEV ?= arm-none-eabi-
|
|
ARCROSSDEV ?= arm-none-eabi-
|
|
MAXOPTIMIZATION ?= -Os
|
|
ARCHCPUFLAGS = $(TOOLCHAIN_MCPU) -mthumb $(TOOLCHAIN_MFLOAT)
|
|
endif
|