############################################################################
# arch/mips/src/mips32/Toolchain.defs
#
# Copyright (C) 2012-2013, 2015 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
#
# 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_MIPS32_TOOLCHAIN_PINGUINOL) \
$(CONFIG_MIPS32_TOOLCHAIN_GNU_ELF) \
),y)
CONFIG_MIPS32_TOOLCHAIN ?= GNU_ELF
endif
ifeq ($(filter y, \
$(CONFIG_MIPS32_TOOLCHAIN_MICROCHIPL) \
),y)
CONFIG_MIPS32_TOOLCHAIN ?= MICROCHIPL
endif
ifeq ($(filter y, \
$(CONFIG_MIPS32_TOOLCHAIN_MICROCHIPL_LITE) \
),y)
CONFIG_MIPS32_TOOLCHAIN ?= MICROCHIPL_LITE
endif
ifeq ($(filter y, \
$(CONFIG_MIPS32_TOOLCHAIN_MICROCHIPW) \
),y)
CONFIG_MIPS32_TOOLCHAIN ?= MICROCHIPW
endif
ifeq ($(filter y, \
$(CONFIG_MIPS32_TOOLCHAIN_MICROCHIPW_LITE) \
),y)
CONFIG_MIPS32_TOOLCHAIN ?= MICROCHIPW_LITE
endif
ifeq ($(filter y, \
$(CONFIG_MIPS32_TOOLCHAIN_MICROCHIPOPENL) \
),y)
CONFIG_MIPS32_TOOLCHAIN ?= MICROCHIPOPENL
endif
ifeq ($(filter y, \
$(CONFIG_MIPS32_TOOLCHAIN_PINGUINOW) \
),y)
CONFIG_MIPS32_TOOLCHAIN ?= PINGUINOW
endif
#
# Supported toolchains
#
# Each toolchain definition should set:
#
# CROSSDEV The GNU toolchain triple (command prefix)
# ARCROSSDEV If required, an alternative prefix used when
# invoking ar and nm.
# ARCHCPUFLAGS CPU-specific flags selecting the instruction set
# FPU options, etc.
# MAXOPTIMIZATION The maximum optimization level that results in
# reliable code generation.
#
ifeq ($(CONFIG_DEBUG_CUSTOMOPT),y)
MAXOPTIMIZATION := $(CONFIG_DEBUG_OPTLEVEL)
endif
ifeq ($(CONFIG_ARCH_MIPS_M14K),y)
MIPS_MARCH = 24kc
MIPS_MPROCESSOR = elf32pic32mx
MIPS_MICROMIPS = -mmicromips
else
MIPS_MARCH = m14k
MIPS_MPROCESSOR = elf32pic32mz
MIPS_MICROMIPS =
endif
# Generic GNU mip32 toolchain on OS X or Linux
# including Pinguino mips-elf toolchain
ifeq ($(CONFIG_MIPS32_TOOLCHAIN),GNU_ELF)
CROSSDEV ?= mips-elf-
MAXOPTIMIZATION ?= -O2
ARCHCPUFLAGS = -mlong32 -membedded-data -msoft-float -march=$(MIPS_MARCH) $(MIPS_MICROMIPS) -EL
ARCHPICFLAGS = -fpic -membedded-pic
LDFLAGS += -nostartfiles -nodefaultlibs
LDSCRIPT = mips-elf-debug.ld
endif
# Microchip C32 toolchain under Linux
ifeq ($(CONFIG_MIPS32_TOOLCHAIN),MICROCHIPL)
CROSSDEV ?= pic32-
# CROSSDEV ?= xc32-
MAXOPTIMIZATION ?= -O2
ARCHCPUFLAGS = -mprocessor=$(MIPS_MPROCESSOR) $(MIPS_MICROMIPS) -mno-float -mlong32 -membedded-data
ARCHPICFLAGS = -fpic -membedded-pic
LDFLAGS += -nostartfiles -nodefaultlibs
LDSCRIPT = xc32-debug.ld
endif
# Microchip C32 toolchain under Windows
ifeq ($(CONFIG_MIPS32_TOOLCHAIN),MICROCHIPW)
CROSSDEV ?= pic32-
# CROSSDEV ?= xc32-
ifneq ($(CONFIG_WINDOWS_NATIVE),y)
WINTOOL = y
endif
MAXOPTIMIZATION ?= -O2
ARCHCPUFLAGS = -mprocessor=$(MIPS_MPROCESSOR) $(MIPS_MICROMIPS) -mno-float -mlong32 -membedded-data
ARCHPICFLAGS = -fpic -membedded-pic
LDFLAGS += -nostartfiles -nodefaultlibs
LDSCRIPT = c32-debug.ld
endif
# Microchip C32 toolchain under Linux
ifeq ($(CONFIG_MIPS32_TOOLCHAIN),MICROCHIPL_LITE)
CROSSDEV ?= pic32-
# CROSSDEV ?= xc32-
# MAXOPTIMIZATION ?= -O2
ARCHCPUFLAGS = -mprocessor=$(MIPS_MPROCESSOR) $(MIPS_MICROMIPS) -mno-float -mlong32 -membedded-data
ARCHPICFLAGS = -fpic -membedded-pic
LDFLAGS += -nostartfiles -nodefaultlibs
LDSCRIPT = xc32-debug.ld
endif
# Microchip C32 toolchain under Windows
ifeq ($(CONFIG_MIPS32_TOOLCHAIN),MICROCHIPW_LITE)
CROSSDEV ?= pic32-
# CROSSDEV ?= xc32-
ifneq ($(CONFIG_WINDOWS_NATIVE),y)
WINTOOL = y
endif
# MAXOPTIMIZATION ?= -O2
ARCHCPUFLAGS = -mprocessor=$(MIPS_MPROCESSOR) $(MIPS_MICROMIPS) -mno-float -mlong32 -membedded-data
ARCHPICFLAGS = -fpic -membedded-pic
LDFLAGS += -nostartfiles -nodefaultlibs
LDSCRIPT = c32-debug.ld
endif
# microchipOpen toolchain under Linux
ifeq ($(CONFIG_MIPS32_TOOLCHAIN),MICROCHIPOPENL)
CROSSDEV ?= mypic32-
# MAXOPTIMIZATION ?= -O2
ARCHCPUFLAGS = -mprocessor=$(MIPS_MPROCESSOR) $(MIPS_MICROMIPS) -mno-float -mlong32 -membedded-data
ARCHPICFLAGS = -fpic -membedded-pic
LDFLAGS += -nostartfiles -nodefaultlibs
LDSCRIPT = c32-debug.ld
endif
# Pinguino mips-elf toolchain under Windows
ifeq ($(CONFIG_MIPS32_TOOLCHAIN),PINGUINOW)
#CROSSDEV ?= mips-
CROSSDEV ?= p32-
ifneq ($(CONFIG_WINDOWS_NATIVE),y)
WINTOOL = y
endif
MAXOPTIMIZATION ?= -O2
ARCHCPUFLAGS = -mlong32 -membedded-data -msoft-float -march=$(MIPS_MARCH) $(MIPS_MICROMIPS) -EL
ARCHPICFLAGS = -fpic -membedded-pic
LDFLAGS += -nostartfiles -nodefaultlibs
LDSCRIPT = mips-elf-debug.ld
endif
