LM32: Add toolchain configuration; Add Toolchain.defs.
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Gregory Nutt
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@ -162,7 +162,7 @@ config ARMV7R_TOOLCHAIN_GNU_OABI
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---help---
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This option should work for any GNU toolchain configured for arm-elf-.
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endchoice # ARMV7R_HAVE_L2CC
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endchoice # Toolchain Selection
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config ARMV7R_OABI_TOOLCHAIN
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bool "OABI (vs EABI)"
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@ -5,4 +5,28 @@
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if ARCH_CHIP_LM32
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choice
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prompt "Toolchain Selection"
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default LM32_TOOLCHAIN_GNUW if HOST_WINDOWS
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default LM32_TOOLCHAIN_GNUL if !HOST_WINDOWS
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config LM32_TOOLCHAIN_BUILDROOT
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bool "Buildroot (Cygwin or Linux)"
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depends on !WINDOWS_NATIVE
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config LM32_TOOLCHAIN_GNUL
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bool "Generic GNU toolchain under Linux (or other POSIX environment)"
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---help---
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This option should work for any modern GNU toolchain (GCC 4.5 or newer)
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configured for lm32-elf-.
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config LM32_TOOLCHAIN_GNUW
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bool "Generic GNU toolchain under Windows"
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depends on HOST_WINDOWS
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---help---
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This option should work for any modern GNU toolchain (GCC 4.5 or newer)
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configured for lm32-elf-.
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endchoice # Toolchain Selection
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endif # ARCH_CHIP_LM32
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104
arch/misoc/src/lm32/Toolchain.defs
Normal file
104
arch/misoc/src/lm32/Toolchain.defs
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@ -0,0 +1,104 @@
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############################################################################
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# arch/misco/src/lm32/Toolchain.defs
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#
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# Copyright (C) 2016 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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# Setup for the selected toolchain
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#
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# Select and allow the selected toolchain to be overridden by a command-line
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#selection.
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#
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ifeq ($(filter y, \
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$(CONFIG_LM32_TOOLCHAIN_BUILDROOT) \
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),y)
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CONFIG_LM32_TOOLCHAIN ?= BUILDROOT
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endif
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ifeq ($(filter y, \
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$(CONFIG_LM32_TOOLCHAIN_GNUL) \
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),y)
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CONFIG_LM32_TOOLCHAIN ?= GNUL
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endif
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ifeq ($(filter y, \
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$(CONFIG_LM32_TOOLCHAIN_GNUW) \
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),y)
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CONFIG_LM32_TOOLCHAIN ?= GNUW
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endif
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#
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# Supported toolchains
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#
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# Each toolchain definition should set:
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#
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# CROSSDEV The GNU toolchain triple (command prefix)
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# ARCROSSDEV If required, an alternative prefix used when
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# invoking ar and nm.
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# ARCHCPUFLAGS CPU-specific flags selecting the instruction set
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# FPU options, etc.
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# MAXOPTIMIZATION The maximum optimization level that results in
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# reliable code generation.
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#
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ifeq ($(CONFIG_DEBUG_CUSTOMOPT),y)
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MAXOPTIMIZATION := $(CONFIG_DEBUG_OPTLEVEL)
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endif
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# NuttX buildroot under Linux or Cygwin
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ifeq ($(CONFIG_LM32_TOOLCHAIN),BUILDROOT)
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CROSSDEV ?= lm32-nuttx-elf-
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ARCROSSDEV ?= lm32-nuttx-elf-
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MAXOPTIMIZATION ?= -Os
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endif
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# Generic GNU toolchain on OS X, Linux or any typical Posix system
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ifeq ($(CONFIG_LM32_TOOLCHAIN),GNUL)
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CROSSDEV ?= lm32-elf--
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ARCROSSDEV ?= lm32-elf--
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MAXOPTIMIZATION ?= -Os
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endif
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# Generic GNU toolchain under Windows (native)
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ifeq ($(CONFIG_LM32_TOOLCHAIN),GNUW)
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CROSSDEV ?= lm32-elf--
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ARCROSSDEV ?= lm32-elf--
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MAXOPTIMIZATION ?= -Os
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ifeq ($(CONFIG_WINDOWS_CYGWIN),y)
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WINTOOL = y
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endif
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endif
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@ -36,7 +36,7 @@
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include ${TOPDIR}/.config
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include ${TOPDIR}/tools/Config.mk
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CROSSDEV = lm32-elf-
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include ${TOPDIR}/arch/misoc/src/lm32/Toolchain.defs
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LDSCRIPT = ld.script
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