Add NXFFS configuration for Mirtoo

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4871 42af7a65-404d-4744-a932-0658087f49c3

configs/mirtoo/README.txt

@@ -375,23 +375,25 @@ Toolchains
      Note that the tools will have the prefix, mypic32- so, for example, the
      compiler will be called mypic32-gcc.
 
-  Penguino mips-elf Toolchain
+  Pinguino mips-elf Toolchain
   ---------------------------
 
-  Another option is the mips-elf toolchain used with the Penguino project.  This
+  Another option is the mips-elf toolchain used with the Pinguino project.  This
   is a relatively current mips-elf GCC and should provide free C++ support as
-  well. This toolchain can be downloded from the Penguino website:
+  well. This toolchain can be downloded from the Pinguino website:
   http://wiki.pinguino.cc/index.php/Main_Page#Download . There is some general
-  information about using the Penguino mips-elf toolchain in this thread:
+  information about using the Pinguino mips-elf toolchain in this thread:
   http://tech.groups.yahoo.com/group/nuttx/message/1821
 
-  Experimental (and untested) support for the Penguino mips-elf toolchain has
+  Experimental (and untested) support for the Pinguino mips-elf toolchain has
   been included in the Mirtoo configurations.  Use this configuration option to
-  select the Penguino mips-elf toolchain:
+  select the Pinguino mips-elf toolchain:
 
-    CONFIG_PIC32MX_MIPSELFL - Penguino mips-elf toolchain for Linux
+    CONFIG_PIC32MX_PINGUINOW - Pinguino mips-elf toolchain for Windows
+    CONFIG_PIC32MX_PINGUINOL - Pinguino mips toolchain for Linux
 
-  And set the path appropriately in the setenv.sh file.  And good luck!
+  And set the path appropriately in the setenv.sh file.  These tool configurations
+  are untested -- expect some additional integration issues.  Good luck!
 
   MPLAB/C32 vs MPLABX/X32
   -----------------------
@@ -817,3 +819,49 @@ Where <subdir> is one of the following:
     path to the toolchain in setenv.sh.  See notes above with regard to
     the XC32 toolchain.
 
+  nxffs:
+    This is a configuration very similar to the nsh configuration.  This
+    configure also provides the NuttShell (NSH).  This configuration use
+    UART1 which is available on FUNC 4 and 5 on connector X3 (as described
+    for the nsh configuration).  This configuration differs in the fillowing
+    ways:
+
+    1) SPI2 is enabled and support is included for the NXFFS file system
+       on the 32Mbi SST25 device on the Mirtoo board.
+
+       CONFIG_PIC32MX_SPI2=y
+       CONFIG_MTD_SST25=y
+       CONFIG_SST25_SECTOR512=y
+       CONFIG_DISABLE_MOUNTPOINT=n
+       CONFIG_FS_NXFFS=y
+       CONFIG_NSH_ARCHINIT=y
+
+    2) Many operating system features are suppressed to produce a smaller
+       footprint.
+
+       CONFIG_SCHED_WAITPID=n
+       CONFIG_DISABLE_POSIX_TIMERS=y
+       CONFIG_DISABLE_PTHREAD=y
+       CONFIG_DISABLE_MQUEUE=y
+       CONFIG_DISABLE_MQUEUE=y
+
+    3) Many NSH commands are suppressed, also for a smaller FLASH footprint
+
+       CONFIG_NSH_DISABLESCRIPT=y
+       CONFIG_NSH_DISABLEBG=y
+
+       CONFIG_NSH_DISABLE_DD=y
+       CONFIG_NSH_DISABLE_EXEC=y
+       CONFIG_NSH_DISABLE_EXIT=y
+       CONFIG_NSH_DISABLE_GET=y
+       CONFIG_NSH_DISABLE_IFCONFIG=y
+       CONFIG_NSH_DISABLE_KILL=y
+       CONFIG_NSH_DISABLE_MKFATFS=y
+       CONFIG_NSH_DISABLE_MKFIFO=y
+       CONFIG_NSH_DISABLE_MKRD=y
+       CONFIG_NSH_DISABLE_NFSMOUNT=y
+       CONFIG_NSH_DISABLE_PING=y
+       CONFIG_NSH_DISABLE_PUT=y
+       CONFIG_NSH_DISABLE_SH=y
+       CONFIG_NSH_DISABLE_TEST=y
+       CONFIG_NSH_DISABLE_WGET=y

configs/mirtoo/nsh/Make.defs

@@ -88,10 +88,20 @@ ifeq ($(CONFIG_PIC32MX_MICROCHIPOPENL),y)
   LDFLAGS += -nostartfiles -nodefaultlibs
   LDSCRIPT = c32-debug.ld
 endif
-ifeq ($(CONFIG_PIC32MX_MIPSELFL),y)
+ifeq ($(CONFIG_PIC32MX_PINGUINOW),y)
+  # Penquino mips-elf toolchain under Windows
+  CROSSDEV = mips-
+  WINTOOL = y
+  MAXOPTIMIZATION = -O2
+  ARCHCPUFLAGS = -mlong32 -membedded-data -msoft-float -march=24kc -EL
+  ARCHPICFLAGS = -fpic -membedded-pic
+  LDFLAGS += -nostartfiles -nodefaultlibs
+  LDSCRIPT = mips-elf-debug.ld
+endif
+ifeq ($(CONFIG_PIC32MX_PINGUINOL),y)
   # Penquino mips-elf toolchain under Linux
   CROSSDEV = mips-elf-
-  # MAXOPTIMIZATION = -O2
+  MAXOPTIMIZATION = -O2
   ARCHCPUFLAGS = -mlong32 -membedded-data -msoft-float -march=24kc -EL
   ARCHPICFLAGS = -fpic -membedded-pic
   LDFLAGS += -nostartfiles -nodefaultlibs

configs/mirtoo/nsh/defconfig

@@ -106,7 +106,7 @@ CONFIG_ARCH_DMA=n
 
 #
 # Enable support for RAM-based functions
-# (If selected, then modifications are needed in ld.script as well)
+# (If selected, then modifications are needed in linker scripts as well)
 #
 CONFIG_PIC32MX_RAMFUNCS=n
 
@@ -118,6 +118,8 @@ CONFIG_PIC32MX_MICROCHIPL=n
 CONFIG_PIC32MX_MICROCHIPW_LITE=y
 CONFIG_PIC32MX_MICROCHIPL_LITE=n
 CONFIG_PIC32MX_MICROCHIPOPENL=n
+CONFIG_PIC32MX_PINGUINOW=n
+CONFIG_PIC32MX_PINGUINOL=n
 
 #
 #  Individual subsystems can be enabled:
@@ -185,7 +187,7 @@ CONFIG_SST25_SECTOR512=n
 # DEVCFG1: All settings determined by selections in board.h.  Except
 #   CONFIG_PIC32MX_OSCOUT - May be used to disable oscillator output (enabled by default)
 # DEVCFG2: (All settings determined by selections in board.h)
-# DEVCFG3: 
+# DEVCFG3:
 #  CONFIG_PIC32MX_USBIDO - USB USBID Selection.  Default 1 if USB enabled
 #    (USBID pin is controlled by the USB module), but 0 (GPIO) otherwise.
 #  CONFIG_PIC32MX_VBUSIO - USB VBUSON Selection (Default 1 if USB enabled
@@ -281,7 +283,7 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_RR_INTERVAL - The round robin timeslice will be set
 #   this number of milliseconds;  Round robin scheduling can
 #   be disabled by setting this value to zero.
-# CONFIG_SCHED_INSTRUMENTATION - enables instrumentation in 
+# CONFIG_SCHED_INSTRUMENTATION - enables instrumentation in
 #   scheduler to monitor system performance
 # CONFIG_TASK_NAME_SIZE - Spcifies that maximum size of a
 #   task name to save in the TCB.  Useful if scheduler
@@ -302,11 +304,11 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_MUTEX_TYPES: Set to enable support for recursive and
 #   errorcheck mutexes. Enables pthread_mutexattr_settype().
 # CONFIG_PRIORITY_INHERITANCE : Set to enable support for priority
-#   inheritance on mutexes and semaphores. 
+#   inheritance on mutexes and semaphores.
 # CONFIG_SEM_PREALLOCHOLDERS: This setting is only used if priority
 #   inheritance is enabled.  It defines the maximum number of
 #   different threads (minus one) that can take counts on a
-#   semaphore with priority inheritance support.  This may be 
+#   semaphore with priority inheritance support.  This may be
 #   set to zero if priority inheritance is disabled OR if you
 #   are only using semaphores as mutexes (only one holder) OR
 #   if no more than two threads participate using a counting
@@ -543,7 +545,6 @@ CONFIG_PREALLOC_TIMERS=4
 #   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
@@ -820,7 +821,7 @@ 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_BUILTIN_APPS=n
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_STRERROR=n
 CONFIG_NSH_LINELEN=64

configs/mirtoo/nsh/setenv.sh

@@ -58,6 +58,11 @@ export TOOLCHAIN_BIN="/cygdrive/c/MicroChip/mplabc32/v1.12/bin"
 # version of if you install the toolchain at a different location
 #export TOOLCHAIN_BIN="/opt/microchip/xc32/v1.00/bin"
 
+# This the Cygwin path to the location where I installed the Pinguino
+# toolchain under Windows.  You will have to edit this if you install the
+# tool chain in a different location or use a different version
+#export TOOLCHAIN_BIN="/cygdrive/c/PinguinoX.3/win32/p32/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.

configs/mirtoo/nxffs/Make.defs

@@ -0,0 +1,196 @@
+############################################################################
+# configs/mirtoo/nxffs/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
+  LDSCRIPT = c32-debug.ld
+endif
+ifeq ($(CONFIG_PIC32MX_MICROCHIPW_LITE),y)
+  # Microchip C32 toolchain under Windows
+  CROSSDEV = pic32-
+  # CROSSDEV = xc32-
+  WINTOOL = y
+  # MAXOPTIMIZATION = -O2
+  ARCHCPUFLAGS = -mprocessor=elf32pic32mx -mno-float -mlong32 -membedded-data
+  ARCHPICFLAGS = -fpic -membedded-pic
+  LDFLAGS += -nostartfiles -nodefaultlibs
+  LDSCRIPT = c32-debug.ld
+endif
+ifeq ($(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
+  LDSCRIPT = xc32-debug.ld
+endif
+ifeq ($(CONFIG_PIC32MX_MICROCHIPL_LITE),y)
+  # Microchip C32 toolchain under Linux
+  CROSSDEV = pic32-
+  # CROSSDEV = xc32-
+  # MAXOPTIMIZATION = -O2
+  ARCHCPUFLAGS = -mprocessor=elf32pic32mx -mno-float -mlong32 -membedded-data
+  ARCHPICFLAGS = -fpic -membedded-pic
+  LDFLAGS += -nostartfiles -nodefaultlibs
+  LDSCRIPT = xc32-debug.ld
+endif
+ifeq ($(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
+  LDSCRIPT = c32-debug.ld
+endif
+ifeq ($(CONFIG_PIC32MX_PINGUINOW),y)
+  # Penquino mips-elf toolchain under Windows
+  CROSSDEV = mips-
+  WINTOOL = y
+  MAXOPTIMIZATION = -O2
+  ARCHCPUFLAGS = -mlong32 -membedded-data -msoft-float -march=24kc -EL
+  ARCHPICFLAGS = -fpic -membedded-pic
+  LDFLAGS += -nostartfiles -nodefaultlibs
+  LDSCRIPT = mips-elf-debug.ld
+endif
+ifeq ($(CONFIG_PIC32MX_PINGUINOL),y)
+  # Penquino mips-elf toolchain under Linux
+  CROSSDEV = mips-elf-
+  MAXOPTIMIZATION = -O2
+  ARCHCPUFLAGS = -mlong32 -membedded-data -msoft-float -march=24kc -EL
+  ARCHPICFLAGS = -fpic -membedded-pic
+  LDFLAGS += -nostartfiles -nodefaultlibs
+  LDSCRIPT = mips-elf-debug.ld
+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/$(LDSCRIPT)}"
+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/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT)
+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/nxffs/appconfig

@@ -0,0 +1,43 @@
+############################################################################
+# configs/mirtoo/nxffs/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/nxffs/setenv.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+# configs/mirtoo/nxffs/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="${PATH}"; fi
+
+WD=`pwd`
+if [ ! -x "setenv.sh" ]; then
+  echo "This script must be executed from the top-level NuttX build directory"
+  exit 1
+fi
+
+# This the Cygwin path to the location where I installed the MicroChip
+# PIC32MX C32 toolchain under windows.  This is *not* the default install
+# location so you will probably have to edit this.  You will also have
+# to edit this if you install a different version of if you install the
+# toolchain at a different location
+export TOOLCHAIN_BIN="/cygdrive/c/MicroChip/mplabc32/v1.12/bin"
+
+# This the Linux path to the location where I installed the MicroChip
+# PIC32MX XC32 toolchain under Linux.  This is the default install
+# location.  You will also have to edit this if you install a different
+# version of if you install the toolchain at a different location
+#export TOOLCHAIN_BIN="/opt/microchip/xc32/v1.00/bin"
+
+# This the Cygwin path to the location where I installed the Pinguino
+# toolchain under Windows.  You will have to edit this if you install the
+# tool chain in a different location or use a different version
+#export TOOLCHAIN_BIN="/cygdrive/c/PinguinoX.3/win32/p32/bin"
+
+# This the Linux path to the location where I installed the microchipOpen
+# toolchain under Linux.  You will have to edit this if you use the
+# microchipOpen toolchain.
+#export TOOLCHAIN_BIN="~/projects/microchipopen/v105_freeze/pic32-v105-freeze-20120622/install-image/bin"
+
+# This is the path to the toosl subdirectory
+export PIC32TOOL_DIR="${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

@@ -88,10 +88,20 @@ ifeq ($(CONFIG_PIC32MX_MICROCHIPOPENL),y)
   LDFLAGS += -nostartfiles -nodefaultlibs
   LDSCRIPT = c32-debug.ld
 endif
-ifeq ($(CONFIG_PIC32MX_MIPSELFL),y)
+ifeq ($(CONFIG_PIC32MX_PINGUINOW),y)
+  # Penquino mips-elf toolchain under Windows
+  CROSSDEV = mips-
+  WINTOOL = y
+  MAXOPTIMIZATION = -O2
+  ARCHCPUFLAGS = -mlong32 -membedded-data -msoft-float -march=24kc -EL
+  ARCHPICFLAGS = -fpic -membedded-pic
+  LDFLAGS += -nostartfiles -nodefaultlibs
+  LDSCRIPT = mips-elf-debug.ld
+endif
+ifeq ($(CONFIG_PIC32MX_PINGUINOL),y)
   # Penquino mips-elf toolchain under Linux
   CROSSDEV = mips-elf-
-  # MAXOPTIMIZATION = -O2
+  MAXOPTIMIZATION = -O2
   ARCHCPUFLAGS = -mlong32 -membedded-data -msoft-float -march=24kc -EL
   ARCHPICFLAGS = -fpic -membedded-pic
   LDFLAGS += -nostartfiles -nodefaultlibs

configs/mirtoo/ostest/defconfig

@@ -106,7 +106,7 @@ CONFIG_ARCH_DMA=n
 
 #
 # Enable support for RAM-based functions
-# (If selected, then modifications are needed in ld.script as well)
+# (If selected, then modifications are needed in linker scripts as well)
 #
 CONFIG_PIC32MX_RAMFUNCS=n
 
@@ -118,6 +118,8 @@ CONFIG_PIC32MX_MICROCHIPL=n
 CONFIG_PIC32MX_MICROCHIPW_LITE=y
 CONFIG_PIC32MX_MICROCHIPL_LITE=n
 CONFIG_PIC32MX_MICROCHIPOPENL=n
+CONFIG_PIC32MX_PINGUINOW=n
+CONFIG_PIC32MX_PINGUINOL=n
 
 #
 #  Individual subsystems can be enabled:

configs/mirtoo/ostest/setenv.sh

@@ -58,6 +58,11 @@ export TOOLCHAIN_BIN="/cygdrive/c/MicroChip/mplabc32/v1.12/bin"
 # version of if you install the toolchain at a different location
 #export TOOLCHAIN_BIN="/opt/microchip/xc32/v1.00/bin"
 
+# This the Cygwin path to the location where I installed the Pinguino
+# toolchain under Windows.  You will have to edit this if you install the
+# tool chain in a different location or use a different version
+#export TOOLCHAIN_BIN="/cygdrive/c/PinguinoX.3/win32/p32/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.

configs/mirtoo/src/up_nsh.c

@@ -40,6 +40,8 @@
 
 #include <nuttx/config.h>
 
+#include <sys/mount.h>
+
 #include <stdbool.h>
 #include <stdio.h>
 #include <errno.h>
@@ -48,6 +50,7 @@
 #ifdef CONFIG_PIC32MX_SPI2
 #  include <nuttx/spi.h>
 #  include <nuttx/mtd.h>
+#  include <nuttx/fs/nxffs.h>
 #endif
 
 #include "pic32mx-internal.h"
@@ -76,6 +79,12 @@
 #  define CONFIG_NSH_SST25MINOR 0
 #endif
 
+/* Can't support both FAT and NXFFS */
+
+#if defined(CONFIG_FS_FAT) && defined(CONFIG_FS_NXFFS)
+#  warning "Can't support both FAT and NXFFS -- using FAT"
+#endif
+
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -113,14 +122,34 @@ int nsh_archinitialize(void)
       return -ENODEV;
     }
 
+#ifndef CONFIG_FS_NXFFS
   /* And finally, use the FTL layer to wrap the MTD driver as a block driver */
 
   ret = ftl_initialize(CONFIG_NSH_SST25MINOR, mtd);
   if (ret < 0)
     {
       fdbg("ERROR: Initialize the FTL layer\n");
-      return -ENODEV;
+      return ret;
     }
+#else
+  /* Initialize to provide NXFFS on the MTD interface */
+
+  ret = nxffs_initialize(mtd);
+  if (ret < 0)
+    {
+      fdbg("ERROR: NXFFS initialization failed: %d\n", -ret);
+      return ret;
+    }
+
+  /* Mount the file system at /mnt/sst25 */
+
+  ret = mount(NULL, "/mnt/sst25", "nxffs", 0, NULL);
+  if (ret < 0)
+    {
+      fdbg("ERROR: Failed to mount the NXFFS volume: %d\n", errno);
+      return ret;
+    }
+#endif
 #endif
   return OK;
 }

configs/pcblogic-pic32mx/README.txt

@@ -211,14 +211,14 @@ Toolchains
      Note that the tools will have the prefix, mypic32- so, for example, the
      compiler will be called mypic32-gcc.
 
-  Penguino mips-elf Toolchain
+  Pinguino mips-elf Toolchain
   ---------------------------
 
-  Another option is the mips-elf toolchain used with the Penguino project.  This
+  Another option is the mips-elf toolchain used with the Pinguino project.  This
   is a relatively current mips-elf GCC and should provide free C++ support as
-  well. This toolchain can be downloded from the Penguino website:
+  well. This toolchain can be downloded from the Pinguino website:
   http://wiki.pinguino.cc/index.php/Main_Page#Download . There is some general
-  information about using the Penguino mips-elf toolchain in this thread:
+  information about using the Pinguino mips-elf toolchain in this thread:
   http://tech.groups.yahoo.com/group/nuttx/message/1821
 
   See also configs/mirtoo/README.txt.  There is an experimental (untested)

configs/pic32-starterkit/README.txt

@@ -428,14 +428,14 @@ Toolchains
      Note that the tools will have the prefix, mypic32- so, for example, the
      compiler will be called mypic32-gcc.
 
-  Penguino mips-elf Toolchain
+  Pinguino mips-elf Toolchain
   ---------------------------
 
-  Another option is the mips-elf toolchain used with the Penguino project.  This
+  Another option is the mips-elf toolchain used with the Pinguino project.  This
   is a relatively current mips-elf GCC and should provide free C++ support as
-  well. This toolchain can be downloded from the Penguino website:
+  well. This toolchain can be downloded from the Pinguino website:
   http://wiki.pinguino.cc/index.php/Main_Page#Download . There is some general
-  information about using the Penguino mips-elf toolchain in this thread:
+  information about using the Pinguino mips-elf toolchain in this thread:
   http://tech.groups.yahoo.com/group/nuttx/message/1821
 
   See also configs/mirtoo/README.txt.  There is an experimental (untested)

configs/pic32mx7mmb/README.txt

@@ -196,14 +196,14 @@ Toolchains
      Note that the tools will have the prefix, mypic32- so, for example, the
      compiler will be called mypic32-gcc.
 
-  Penguino mips-elf Toolchain
+  Pinguino mips-elf Toolchain
   ---------------------------
 
-  Another option is the mips-elf toolchain used with the Penguino project.  This
+  Another option is the mips-elf toolchain used with the Pinguino project.  This
   is a relatively current mips-elf GCC and should provide free C++ support as
-  well. This toolchain can be downloded from the Penguino website:
+  well. This toolchain can be downloded from the Pinguino website:
   http://wiki.pinguino.cc/index.php/Main_Page#Download . There is some general
-  information about using the Penguino mips-elf toolchain in this thread:
+  information about using the Pinguino mips-elf toolchain in this thread:
   http://tech.groups.yahoo.com/group/nuttx/message/1821
 
   See also configs/mirtoo/README.txt.  There is an experimental (untested)

configs/ubw32/README.txt

@@ -221,14 +221,14 @@ Toolchains
      Note that the tools will have the prefix, mypic32- so, for example, the
      compiler will be called mypic32-gcc.
 
-  Penguino mips-elf Toolchain
+  Pinguino mips-elf Toolchain
   ---------------------------
 
-  Another option is the mips-elf toolchain used with the Penguino project.  This
+  Another option is the mips-elf toolchain used with the Pinguino project.  This
   is a relatively current mips-elf GCC and should provide free C++ support as
-  well. This toolchain can be downloded from the Penguino website:
+  well. This toolchain can be downloded from the Pinguino website:
   http://wiki.pinguino.cc/index.php/Main_Page#Download . There is some general
-  information about using the Penguino mips-elf toolchain in this thread:
+  information about using the Pinguino mips-elf toolchain in this thread:
   http://tech.groups.yahoo.com/group/nuttx/message/1821
 
   See also configs/mirtoo/README.txt.  There is an experimental (untested)