nuttx/arch/arm/src/armv7-a/Toolchain.defs

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############################################################################
# arch/arm/src/armv7-a/Toolchain.defs
#
# Copyright (C) 2013 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# 3. Neither the name NuttX nor the names of its contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
############################################################################
# Setup for the selected toolchain
#
# Select and allow the selected toolchain to be overridden by a command-line
#selection.
#
ifeq ($(filter y, \
$(CONFIG_ARMV7A_TOOLCHAIN_BUILDROOT) \
),y)
CONFIG_ARMV7A_TOOLCHAIN ?= BUILDROOT
endif
ifeq ($(filter y, \
$(CONFIG_ARMV7A_TOOLCHAIN_CODESOURCERYL) \
),y)
CONFIG_ARMV7A_TOOLCHAIN ?= CODESOURCERYL
endif
ifeq ($(filter y, \
$(CONFIG_ARMV7A_TOOLCHAIN_CODESOURCERYW) \
),y)
CONFIG_ARMV7A_TOOLCHAIN ?= CODESOURCERYW
endif
ifeq ($(filter y, \
$(CONFIG_ARMV7A_TOOLCHAIN_DEVKITARM) \
),y)
CONFIG_ARMV7A_TOOLCHAIN ?= DEVKITARM
endif
ifeq ($(filter y, \
$(CONFIG_ARMV7A_TOOLCHAIN_GNU_EABIL) \
),y)
CONFIG_ARMV7A_TOOLCHAIN ?= GNU_EABIL
endif
ifeq ($(filter y, \
$(CONFIG_ARMV7A_TOOLCHAIN_GNU_EABIW) \
),y)
CONFIG_ARMV7A_TOOLCHAIN ?= GNU_EABIW
endif
#
# Supported toolchains
#
# Each toolchain definition should set:
#
# CROSSDEV The GNU toolchain triple (command prefix)
# ARCROSSDEV If required, an alternative prefix used when
# invoking ar and nm.
# ARCHCPUFLAGS CPU-specific flags selecting the instruction set
# FPU options, etc.
# MAXOPTIMIZATION The maximum optimization level that results in
# reliable code generation.
#
ifeq ($(CONFIG_DEBUG_CUSTOMOPT),y)
MAXOPTIMIZATION := $(CONFIG_DEBUG_OPTLEVEL)
endif
# NuttX buildroot under Linux or Cygwin
ifeq ($(CONFIG_ARMV7A_TOOLCHAIN),BUILDROOT)
ifeq ($(CONFIG_ARMV7A_OABI_TOOLCHAIN),y)
CROSSDEV ?= arm-nuttx-elf-
ARCROSSDEV ?= arm-nuttx-elf-
else
CROSSDEV ?= arm-nuttx-eabi-
ARCROSSDEV ?= arm-nuttx-eabi-
endif
MAXOPTIMIZATION ?= -Os
endif
# CodeSourcery under Linux
ifeq ($(CONFIG_ARMV7A_TOOLCHAIN),CODESOURCERYL)
CROSSDEV ?= arm-none-eabi-
ARCROSSDEV ?= arm-none-eabi-
MAXOPTIMIZATION ?= -O2
endif
# CodeSourcery under Windows
ifeq ($(CONFIG_ARMV7A_TOOLCHAIN),CODESOURCERYW)
CROSSDEV ?= arm-none-eabi-
ARCROSSDEV ?= arm-none-eabi-
MAXOPTIMIZATION ?= -O2
ifneq ($(CONFIG_WINDOWS_NATIVE),y)
WINTOOL = y
endif
endif
# devkitARM under Windows
ifeq ($(CONFIG_ARMV7A_TOOLCHAIN),DEVKITARM)
CROSSDEV ?= arm-eabi-
ARCROSSDEV ?= arm-eabi-
ifneq ($(CONFIG_WINDOWS_NATIVE),y)
WINTOOL = y
endif
endif
# Generic GNU EABI toolchain on OS X, Linux or any typical Posix system
ifeq ($(CONFIG_ARMV7A_TOOLCHAIN),GNU_EABIL)
CROSSDEV ?= arm-none-eabi-
ARCROSSDEV ?= arm-none-eabi-
MAXOPTIMIZATION ?= -Os
endif
# Generic GNU EABI toolchain under Windows
ifeq ($(CONFIG_ARMV7A_TOOLCHAIN),GNU_EABIW)
CROSSDEV ?= arm-none-eabi-
ARCROSSDEV ?= arm-none-eabi-
MAXOPTIMIZATION ?= -Os
ifneq ($(CONFIG_WINDOWS_NATIVE),y)
WINTOOL = y
endif
endif