Add a Mirtoo NSH configuration; move all Mirtoo linker scripts to a common directory

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4865 42af7a65-404d-4744-a932-0658087f49c3

ChangeLog

@@ -2916,4 +2916,12 @@
 	  "Mirtoo" module from http://www.dimitech.com/
 	* tools/pic32mx:  All of the duplicate directories containing the same
 	  same PIC32 tools were move to this single location.
+	* configs/mirtoo:  The basic Mirtoo port is now functional.
+	* configs/mirtoo/ostest:  Added support for the microchipOpen toolchain
+	  (see http://sourceforge.net/projects/microchipopen/).
+	* configs/mirtoo/nsh:  Added a NuttShell (NSH) configuration for
+	  the Mirtoo module.
+	* configs/mirtoo/scripts:  Move all Mirtoo linker scripts to a common
+	  directory.
+
 

configs/mirtoo/README.txt

@@ -347,8 +347,8 @@ Toolchains
 
   An alternative, build-it-yourself toolchain is available here:
   http://sourceforge.net/projects/microchipopen/ .  These tools were
-  last updated circa 2010.  However, this is the only way that I know of
+  last updated circa 2010.  NOTE:  C++ support still not available
-  to get free C++ support.  Use this option to select the microchipopen
+  in this toolchain.  Use this configuration option to select the microchipopen
   toolchain:
 
     CONFIG_PIC32MX_MICROCHIPOPENL - microchipOpen toolchain for Linux
@@ -375,8 +375,6 @@ Toolchains
      Note that the tools will have the prefix, mypic32- so, for example, the
      compiler will be called mypic32-gcc.
 
-  This will check out the selected branch and build the tools.
-
   MPLAB/C32 vs MPLABX/X32
   -----------------------
 

configs/mirtoo/nsh/Make.defs

@@ -0,0 +1,172 @@
+############################################################################
+# configs/mirtoo/nsh/Make.defs
+#
+#   Copyright (C) 2012 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.
+#
+############################################################################
+
+include ${TOPDIR}/.config
+
+# Setup for the selected toolchain
+
+ifeq ($(CONFIG_PIC32MX_MICROCHIPW),y)
+  # Microchip C32 toolchain under Windows
+  CROSSDEV = pic32-
+  # CROSSDEV = xc32-
+  WINTOOL = y
+  MAXOPTIMIZATION = -O2
+  ARCHCPUFLAGS = -mprocessor=elf32pic32mx -mno-float -mlong32 -membedded-data
+  ARCHPICFLAGS = -fpic -membedded-pic
+  LDFLAGS += -nostartfiles -nodefaultlibs
+endif
+ifeq ($(CONFIG_PIC32MX_MICROCHIPW_LITE),y)
+  # Microchip C32 toolchain under Windows
+  CROSSDEV = pic32-
+  # CROSSDEV = xc32-
+  WINTOOL = y
+  # MAXOPTIMIZATION = -O2
+  ARCHCPUFLAGS = -mprocessor=elf32pic32mx -mno-float -mlong32 -membedded-data
+  ARCHPICFLAGS = -fpic -membedded-pic
+  LDFLAGS += -nostartfiles -nodefaultlibs
+endif
+ifeq ($(CONFIG_PIC32MX_MICROCHIPL),y)
+  # Microchip C32 toolchain under Linux
+  CROSSDEV = pic32-
+  # CROSSDEV = xc32-
+  MAXOPTIMIZATION = -O2
+  ARCHCPUFLAGS = -mprocessor=elf32pic32mx -mno-float -mlong32 -membedded-data
+  ARCHPICFLAGS = -fpic -membedded-pic
+  LDFLAGS += -nostartfiles -nodefaultlibs
+endif
+ifeq ($(CONFIG_PIC32MX_MICROCHIPL_LITE),y)
+  # Microchip C32 toolchain under Linux
+  CROSSDEV = pic32-
+  # CROSSDEV = xc32-
+  # MAXOPTIMIZATION = -O2
+  ARCHCPUFLAGS = -mprocessor=elf32pic32mx -mno-float -mlong32 -membedded-data
+  ARCHPICFLAGS = -fpic -membedded-pic
+  LDFLAGS += -nostartfiles -nodefaultlibs
+endif
+ifeq ($(CONFIG_PIC32MX_MICROCHIPOPENL),y)
+  # microchipOpen -toolchain under Linux
+  CROSSDEV = mypic32-
+  # MAXOPTIMIZATION = -O2
+  ARCHCPUFLAGS = -mprocessor=elf32pic32mx -mno-float -mlong32 -membedded-data
+  ARCHPICFLAGS = -fpic -membedded-pic
+  LDFLAGS += -nostartfiles -nodefaultlibs
+endif
+
+ifeq ($(WINTOOL),y)
+  # Windows-native toolchains
+  DIRLINK = $(TOPDIR)/tools/winlink.sh
+  DIRUNLINK = $(TOPDIR)/tools/unlink.sh
+  MKDEP = $(TOPDIR)/tools/mknulldeps.sh
+  ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
+  ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}"
+  ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/debug.ld}"
+else
+  # Linux/Cygwin-native toolchain 
+  MKDEP = $(TOPDIR)/tools/mkdeps.sh
+  ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
+  ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
+  ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/debug.ld
+endif
+
+CC = $(CROSSDEV)gcc
+CXX = $(CROSSDEV)g++
+CPP = $(CROSSDEV)gcc -E
+LD = $(CROSSDEV)ld
+AR = $(CROSSDEV)ar rcs
+NM = $(CROSSDEV)nm
+OBJCOPY = $(CROSSDEV)objcopy
+OBJDUMP = $(CROSSDEV)objdump
+
+ifeq ("${CONFIG_DEBUG_SYMBOLS}","y")
+  ARCHOPTIMIZATION = -g
+else
+  ARCHOPTIMIZATION = $(MAXOPTIMIZATION) -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer
+endif
+
+ARCHCFLAGS = -fno-builtin
+ARCHCXXFLAGS = -fno-builtin -fno-exceptions
+ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow
+ARCHWARNINGSXX = -Wall -Wshadow
+ARCHDEFINES =
+
+CFLAGS = $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
+CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
+CXXFLAGS = $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
+CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
+CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
+AFLAGS = $(CFLAGS) -D__ASSEMBLY__
+
+NXFLATLDFLAGS1 = -r -d -warn-common
+NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat.ld -no-check-sections
+LDNXFLATFLAGS = -e main -s 2048
+
+OBJEXT = .o
+LIBEXT = .a
+EXEEXT =
+
+define PREPROCESS
+	@echo "CPP: $1->$2"
+	@$(CPP) $(CPPFLAGS) $1 -o $2
+endef
+
+define COMPILE
+	@echo "CC: $1"
+	@$(CC) -c $(CFLAGS) $1 -o $2
+endef
+
+define COMPILEXX
+	@echo "CXX: $1"
+	@$(CXX) -c $(CXXFLAGS) $1 -o $2
+endef
+
+define ASSEMBLE
+	@echo "AS: $1"
+	@$(CC) -c $(AFLAGS) $1 -o $2
+endef
+
+define ARCHIVE
+	echo "AR: $2"; \
+	$(AR) $1 $2 || { echo "$(AR) $1 $2 FAILED!" ; exit 1 ; }
+endef
+
+define CLEAN
+	@rm -f *.o *.a
+endef
+
+HOSTCC = gcc
+HOSTINCLUDES = -I.
+HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -g -pipe
+HOSTLDFLAGS =
+

configs/mirtoo/nsh/appconfig

@@ -0,0 +1,43 @@
+############################################################################
+# configs/mirtoo/nsh/appconfig
+#
+#   Copyright (C) 2012 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.
+#
+############################################################################
+
+# Path to example in apps/examples containing the user_start entry point
+
+CONFIGURED_APPS += examples/nsh
+
+# The NSH application library
+
+CONFIGURED_APPS += system/readline
+CONFIGURED_APPS += nshlib

configs/mirtoo/nsh/setenv.sh

@@ -0,0 +1,72 @@
+#!/bin/bash
+# configs/mirtoo/nsh/setenv.sh
+#
+#   Copyright (C) 2012 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.
+#
+
+if [ "$_" = "$0" ] ; then
+  echo "You must source this script, not run it!" 1>&2
+  exit 1
+fi
+
+if [ -z "${PATH_ORIG}" ]; then export PATH_ORIG="${PATH}"; fi
+
+WD=`pwd`
+if [ ! -x "setenv.sh" ]; then
+  echo "This script must be executed from the top-level NuttX build directory"
+  exit 1
+fi
+
+# This the Cygwin path to the location where I installed the MicroChip
+# PIC32MX C32 toolchain under windows.  This is *not* the default install
+# location so you will probably have to edit this.  You will also have
+# to edit this if you install a different version of if you install the
+# toolchain at a different location
+export TOOLCHAIN_BIN="/cygdrive/c/MicroChip/mplabc32/v1.12/bin"
+
+# This the Linux path to the location where I installed the MicroChip
+# PIC32MX XC32 toolchain under Linux.  This is the default install
+# location.  You will also have to edit this if you install a different
+# version of if you install the toolchain at a different location
+#export TOOLCHAIN_BIN="/opt/microchip/xc32/v1.00/bin"
+
+# This the Linux path to the location where I installed the microchipOpen
+# toolchain under Linux.  You will have to edit this if you use the
+# microchipOpen toolchain.
+#export TOOLCHAIN_BIN="~/projects/microchipopen/v105_freeze/pic32-v105-freeze-20120622/install-image/bin"
+
+# This is the path to the toosl subdirectory
+export PIC32TOOL_DIR="${WD}/tools/pic32mx"
+
+# Add the path to the toolchain to the PATH varialble
+export PATH="${TOOLCHAIN_BIN}:${PIC32TOOL_DIR}:/sbin:/usr/sbin:${PATH_ORIG}"
+
+echo "PATH : ${PATH}"

configs/mirtoo/ostest/Make.defs

@@ -91,13 +91,13 @@ ifeq ($(WINTOOL),y)
   MKDEP = $(TOPDIR)/tools/mknulldeps.sh
   ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
   ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}"
-  ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/ostest/debug.ld}"
+  ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/debug.ld}"
 else
   # Linux/Cygwin-native toolchain 
   MKDEP = $(TOPDIR)/tools/mkdeps.sh
   ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
   ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
-  ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/ostest/debug.ld
+  ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/debug.ld
 endif
 
 CC = $(CROSSDEV)gcc

configs/mirtoo/ostest/defconfig

@@ -255,6 +255,10 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_DEBUG_VERBOSE - enables verbose debug output
 # CONFIG_DEBUG_SYMBOLS - build without optimization and with
 #   debug symbols (needed for use with a debugger).
+# CONFIG_HAVE_CXX - Enable support for C++
+# CONFIG_HAVE_CXXINITIALIZE - The platform-specific logic includes support
+#   for initialization of static C++ instances for this architecture
+#   and for the selected toolchain (via up_cxxinitialize()).
 # CONFIG_MM_REGIONS - If the architecture includes multiple
 #   regions of memory to allocate from, this specifies the
 #   number of memory regions that the memory manager must
@@ -334,12 +338,17 @@ CONFIG_HAVE_LIBM=n
 #  thread.  Default: CONFIG_IDLETHREAD_STACKSIZE.
 # CONFIG_SIG_SIGWORK - The signal number that will be used to wake-up
 #  the worker thread.  Default: 4
+# CONFIG_SCHED_WAITPID - Enable the waitpid() API
+# CONFIG_SCHED_ATEXIT - Enabled the atexit() API
 #
 #CONFIG_APPS_DIR=
 CONFIG_DEBUG=n
 CONFIG_DEBUG_VERBOSE=n
 CONFIG_DEBUG_SYMBOLS=n
 CONFIG_DEBUG_SCHED=n
+
+CONFIG_HAVE_CXX=n
+CONFIG_HAVE_CXXINITIALIZE=n
 CONFIG_MM_REGIONS=1
 CONFIG_ARCH_LOWPUTC=y
 CONFIG_RR_INTERVAL=0
@@ -360,10 +369,12 @@ CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SCHED_WORKQUEUE=n
-CONFIG_SCHED_WORKPRIORITY=50
+CONFIG_SCHED_WORKPRIORITY=192
 CONFIG_SCHED_WORKPERIOD=(50*1000)
 CONFIG_SCHED_WORKSTACKSIZE=1024
 CONFIG_SIG_SIGWORK=4
+CONFIG_SCHED_WAITPID=n
+CONFIG_SCHED_ATEXIT=n
 
 #
 # Settings for nxflat
@@ -447,6 +458,14 @@ CONFIG_ARCH_BZERO=n
 # CONFIG_NAME_MAX - The maximum size of a file name.
 # CONFIG_STDIO_BUFFER_SIZE - Size of the buffer to allocate
 #   on fopen. (Only if CONFIG_NFILE_STREAMS > 0)
+# CONFIG_STDIO_LINEBUFFER - If standard C buffered I/O is enabled
+#   (CONFIG_STDIO_BUFFER_SIZE > 0), then this option may be added
+#   to force automatic, line-oriented flushing the output buffer
+#   for putc(), fputc(), putchar(), puts(), fputs(), printf(),
+#   fprintf(), and vfprintf().  When a newline is encountered in
+#   the output string, the output buffer will be flushed.  This
+#   (slightly) increases the NuttX footprint but supports the kind
+#   of behavior that people expect for printf().
 # CONFIG_NUNGET_CHARS - Number of characters that can be
 #   buffered by ungetc() (Only if CONFIG_NFILE_STREAMS > 0)
 # CONFIG_PREALLOC_MQ_MSGS - The number of pre-allocated message
@@ -472,6 +491,7 @@ CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NFILE_STREAMS=8
 CONFIG_NAME_MAX=32
 CONFIG_STDIO_BUFFER_SIZE=256
+CONFIG_STDIO_LINEBUFFER=n
 CONFIG_NUNGET_CHARS=2
 CONFIG_PREALLOC_MQ_MSGS=4
 CONFIG_MQ_MAXMSGSIZE=32
@@ -479,14 +499,53 @@ CONFIG_MAX_WDOGPARMS=2
 CONFIG_PREALLOC_WDOGS=4
 CONFIG_PREALLOC_TIMERS=4
 
-#
-# Filesystem configuration
 #
 # CONFIG_FS_FAT - Enable FAT filesystem support
 # CONFIG_FAT_SECTORSIZE - Max supported sector size
+# CONFIG_FAT_LCNAMES - Enable use of the NT-style upper/lower case 8.3
+#   file name support.
+# CONFIG_FAT_LFN - Enable FAT long file names.  NOTE:  Microsoft claims
+#   patents on FAT long file name technology.  Please read the
+#   disclaimer in the top-level COPYING file and only enable this
+#   feature if you understand these issues.
+# CONFIG_FAT_MAXFNAME - If CONFIG_FAT_LFN is defined, then the
+#   default, maximum long file name is 255 bytes.  This can eat up
+#   a lot of memory (especially stack space).  If you are willing
+#   to live with some non-standard, short long file names, then
+#   define this value.  A good choice would be the same value as
+#   selected for CONFIG_NAME_MAX which will limit the visibility
+#   of longer file names anyway.
+# CONFIG_FS_NXFFS: Enable NuttX FLASH file system (NXFF) support.
+# CONFIG_NXFFS_ERASEDSTATE: The erased state of FLASH.
+#   This must have one of the values of 0xff or 0x00.
+#   Default: 0xff.
+# CONFIG_NXFFS_PACKTHRESHOLD: When packing flash file data,
+#   don't both with file chunks smaller than this number of data bytes.
+# CONFIG_NXFFS_MAXNAMLEN: The maximum size of an NXFFS file name.
+#   Default: 255.
+# CONFIG_NXFFS_PACKTHRESHOLD: When packing flash file data,
+#   don't both with file chunks smaller than this number of data bytes.
+#   Default: 32.
+# CONFIG_NXFFS_TAILTHRESHOLD: clean-up can either mean
+#   packing files together toward the end of the file or, if file are
+#   deleted at the end of the file, clean up can simply mean erasing
+#   the end of FLASH memory so that it can be re-used again.  However,
+#   doing this can also harm the life of the FLASH part because it can
+#   mean that the tail end of the FLASH is re-used too often. This
+#   threshold determines if/when it is worth erased the tail end of FLASH
+#   and making it available for re-use (and possible over-wear).
+#   Default: 8192.
 # CONFIG_FS_ROMFS - Enable ROMFS filesystem support
+# CONFIG_FS_RAMMAP - For file systems that do not support XIP, this
+#   option will enable a limited form of memory mapping that is
+#   implemented by copying whole files into memory.
 #
 CONFIG_FS_FAT=n
+CONFIG_FS_FAT=y
+CONFIG_FAT_LCNAMES=y
+CONFIG_FAT_LFN=y
+CONFIG_FAT_MAXFNAME=32
+CONFIG_FS_NXFFS=n
 CONFIG_FS_ROMFS=n
 
 #
@@ -726,6 +785,9 @@ CONFIG_EXAMPLES_OSTEST_NBARRIER_THREADS=3
 #
 # Settings for apps/nshlib
 #
+# CONFIG_NSH_BUILTIN_APPS - Support external registered,
+#   "named" applications that can be executed from the NSH
+#   command line (see apps/README.txt for more information).
 # CONFIG_NSH_FILEIOSIZE - Size of a static I/O buffer
 # CONFIG_NSH_STRERROR - Use strerror(errno)
 # CONFIG_NSH_LINELEN - Maximum length of one command line
@@ -756,6 +818,7 @@ CONFIG_EXAMPLES_OSTEST_NBARRIER_THREADS=3
 # CONFIG_NSH_FATNSECTORS - FAT FS number of sectors
 # CONFIG_NSH_FATMOUNTPT - FAT FS mountpoint
 #
+CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_STRERROR=n
 CONFIG_NSH_LINELEN=64

configs/mirtoo/scripts/debug.ld

@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/mirtoo/ostest/ld.script
+ * configs/mirtoo/scripts/debug.ld
  *
  *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>

configs/mirtoo/scripts/release.ld

@@ -1,5 +1,5 @@
 /****************************************************************************
- * configs/mirtoo/ostest/ld.script
+ * configs/mirtoo/scripts/release.ld
  *
  *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>

configs/pcblogic-pic32mx/README.txt

@@ -189,8 +189,8 @@ Toolchains
 
   An alternative, build-it-yourself toolchain is available here:
   http://sourceforge.net/projects/microchipopen/ .  These tools were
-  last updated circa 2010.  However, this is the only way that I know of
+  last updated circa 2010.  NOTE:  C++ support still not available
-  to get free C++ support.
+  in this toolchain.
 
   Building MicrochipOpen (on Linux)
 
@@ -211,8 +211,6 @@ Toolchains
      Note that the tools will have the prefix, mypic32- so, for example, the
      compiler will be called mypic32-gcc.
 
-  This will check out the selected branch and build the tools.
-
   MPLAB/C32 vs MPLABX/X32
   -----------------------
 

configs/pic32-starterkit/README.txt

@@ -406,8 +406,8 @@ Toolchains
 
   An alternative, build-it-yourself toolchain is available here:
   http://sourceforge.net/projects/microchipopen/ .  These tools were
-  last updated circa 2010.  However, this is the only way that I know of
+  last updated circa 2010.  NOTE:  C++ support still not available
-  to get free C++ support.
+  in this toolchain.
 
   Building MicrochipOpen (on Linux)
 
@@ -428,8 +428,6 @@ Toolchains
      Note that the tools will have the prefix, mypic32- so, for example, the
      compiler will be called mypic32-gcc.
 
-  This will check out the selected branch and build the tools.
-
   MPLAB/C32 vs MPLABX/X32
   -----------------------
 

configs/pic32mx7mmb/README.txt

@@ -174,8 +174,8 @@ Toolchains
 
   An alternative, build-it-yourself toolchain is available here:
   http://sourceforge.net/projects/microchipopen/ .  These tools were
-  last updated circa 2010.  However, this is the only way that I know of
+  last updated circa 2010.  NOTE:  C++ support still not available
-  to get free C++ support.
+  in this toolchain.
 
   Building MicrochipOpen (on Linux)
 
@@ -196,8 +196,6 @@ Toolchains
      Note that the tools will have the prefix, mypic32- so, for example, the
      compiler will be called mypic32-gcc.
 
-  This will check out the selected branch and build the tools.
-
   MPLAB/C32 vs MPLABX/X32
   -----------------------
 

configs/sure-pic32mx/README.txt

@@ -255,8 +255,8 @@ Toolchains
 
   An alternative, build-it-yourself toolchain is available here:
   http://sourceforge.net/projects/microchipopen/ .  These tools were
-  last updated circa 2010.  However, this is the only way that I know of
+  last updated circa 2010.  NOTE:  C++ support still not available
-  to get free C++ support.
+  in this toolchain.
 
   Building MicrochipOpen (on Linux)
 
@@ -277,8 +277,6 @@ Toolchains
      Note that the tools will have the prefix, mypic32- so, for example, the
      compiler will be called mypic32-gcc.
 
-  This will check out the selected branch and build the tools.
-
   MPLAB/C32 vs MPLABX/X32
   -----------------------
 

configs/ubw32/README.txt

@@ -199,8 +199,8 @@ Toolchains
 
   An alternative, build-it-yourself toolchain is available here:
   http://sourceforge.net/projects/microchipopen/ .  These tools were
-  last updated circa 2010.  However, this is the only way that I know of
+  last updated circa 2010.  NOTE:  C++ support still not available
-  to get free C++ support.
+  in this toolchain.
 
   Building MicrochipOpen (on Linux)