Integrated mknxflat

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1905 42af7a65-404d-4744-a932-0658087f49c3

Documentation/NuttX.html

@@ -8,7 +8,7 @@
   <tr align="center" bgcolor="#e4e4e4">
     <td>
       <h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
-      <p>Last Updated: June 17, 2009</p>
+      <p>Last Updated: June 18, 2009</p>
     </td>
   </tr>
 </table>
@@ -1488,6 +1488,7 @@ buildroot-0.1.7 2009-xx-xx &lt;spudmonkey@racsa.co.cr&gt;
 
 	* configs/avr-defconfig-4.3.3: Added support for AVR to support a NuttX
 	  port of the ATmega128.
+	* toolchain/nxflat:  Added logic to build NuttX NXFLAT binding support tools
 </pre></ul>
 
 <table width ="100%">

Documentation/NuttxPortingGuide.html

@@ -12,7 +12,7 @@
       <h1><big><font color="#3c34ec">
         <i>NuttX RTOS Porting Guide</i>
       </font></big></h1>
-      <p>Last Updated: June 17, 2009</p>
+      <p>Last Updated: June 18, 2009</p>
     </td>
   </tr>
 </table>
@@ -2104,6 +2104,11 @@ extern void up_ledoff(int led);
     <code>CONFIG_SDCLONE_DISABLE</code>: Disable cloning of all socket
     desciptors by task_create() when a new task is started.
     If set, all sockets will appear to be closed in the new task.
+  </li>: 
+  <li>
+    <code>CONFIG_NXFLAT</code>: Enable support for the NXFLAT binary format.
+    This format will support execution of NuttX binaries located
+    in a ROMFS filesystem (see <code>examples/nxflat</code>).
   </li>
 </ul>
 

configs/README.txt

@@ -226,6 +226,9 @@ defconfig -- This is a configuration file similar to the Linux
 		CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 		  desciptors by task_create() when a new task is started. If
 		  set, all sockets will appear to be closed in the new task.
+		CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+		  This format will support execution of NuttX binaries located
+		  in a ROMFS filesystem (see examples/nxflat).
 
 	The following can be used to disable categories of APIs supported
 	by the OS.  If the compiler supports weak functions, then it

configs/c5471evm/Make.defs

@@ -59,7 +59,7 @@ ifeq ($(ARCHCCMAJOR),4)
 else
   ARCHCPUFLAGS		= -mapcs-32 -mcpu=arm7tdmi -msoft-float -fno-builtin
 endif
-ARCHPICFLAGS		= -fpic
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHDEFINES		=
 ARCHINCLUDES		= -I. -isystem $(TOPDIR)/include
@@ -67,6 +67,7 @@ ARCHSCRIPT		= -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/ld.script
 
 CFLAGS			= $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/c5471evm/defconfig

@@ -194,6 +194,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=ostest
 CONFIG_DEBUG=n
@@ -216,6 +219,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/c5471evm/dhcpconfig

@@ -194,6 +194,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=uip
 CONFIG_DEBUG=n
@@ -216,6 +219,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/c5471evm/netconfig

@@ -194,6 +194,9 @@ CONFIG_NET_C5471_BASET10=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=nettest
 CONFIG_DEBUG=n
@@ -216,6 +219,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/c5471evm/nshconfig

@@ -194,6 +194,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=nsh
 CONFIG_DEBUG=n
@@ -216,6 +219,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/eagle100/httpd/Make.defs

@@ -84,12 +84,14 @@ ARCHCXXFLAGS		= -fno-builtin -fno-exceptions
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHWARNINGSXX		= -Wall -Wshadow
 ARCHDEFINES		=
-ARCHPICFLAGS		= -fpic
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 
 CFLAGS			= $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CXXFLAGS		= $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) -pipe
+CXXPICFLAGS		= $(ARCHPICFLAGS) $(CXXFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/eagle100/httpd/defconfig

@@ -247,6 +247,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=uip
 CONFIG_DEBUG=n
@@ -270,6 +273,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/eagle100/nettest/Make.defs

@@ -84,12 +84,14 @@ ARCHCXXFLAGS		= -fno-builtin -fno-exceptions
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHWARNINGSXX		= -Wall -Wshadow
 ARCHDEFINES		=
-ARCHPICFLAGS		= -fpic
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 
 CFLAGS			= $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CXXFLAGS		= $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) -pipe
+CXXPICFLAGS		= $(ARCHPICFLAGS) $(CXXFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/eagle100/nettest/defconfig

@@ -247,6 +247,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=nettest
 CONFIG_DEBUG=y
@@ -270,6 +273,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/eagle100/nsh/Make.defs

@@ -84,12 +84,14 @@ ARCHCXXFLAGS		= -fno-builtin -fno-exceptions
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHWARNINGSXX		= -Wall -Wshadow
 ARCHDEFINES		=
-ARCHPICFLAGS		= -fpic
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 
 CFLAGS			= $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CXXFLAGS		= $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) -pipe
+CXXPICFLAGS		= $(ARCHPICFLAGS) $(CXXFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/eagle100/nsh/defconfig

@@ -247,6 +247,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=nsh
 CONFIG_DEBUG=n
@@ -269,6 +272,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/eagle100/nxflat/Make.defs

@@ -0,0 +1,145 @@
+############################################################################
+# configs/eagle100/nxflat/Make.defs
+#
+#   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# 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
+
+# The default value for CROSSDEV can be overridden from the make command line:
+#   make                         -- Will build for the devkitARM toolchain
+#   make CROSSDEV=arm-eabi-      -- Will build for the devkitARM toolchain
+#   make CROSSDEV=arm-none-eabi- -- Will build for the CodeSourcery toolchain
+#   make CROSSDEV=arm-elf-       -- Will build for the NuttX buildroot toolchain
+
+CROSSDEV		= arm-eabi-
+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
+
+MKNXFLAT		= mknxflat
+LDNXFLAT		= ldnxflat
+
+ARCHCCVERSION		= ${shell $(CC) -v 2>&1 | sed -n '/^gcc version/p' | sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q'}
+ARCHCCMAJOR		= ${shell echo $(ARCHCCVERSION) | cut -d'.' -f1}
+
+ifeq ($(CROSSDEV),arm-elf-)
+  MKDEP			= $(TOPDIR)/tools/mkdeps.sh
+  ARCHCPUFLAGS		= -mtune=cortex-m3 -march=armv7-m -mfloat-abi=soft
+  ARCHINCLUDES		= -I. -isystem $(TOPDIR)/include
+  ARCHXXINCLUDES	= -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
+  ARCHSCRIPT		= -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/nxflat/ld.script
+  MAXOPTIMIZATION	= -Os
+else
+  WINTOOL		= y
+  DIRLINK 		= $(TOPDIR)/tools/winlink.sh
+  DIRUNLINK		= $(TOPDIR)/tools/unlink.sh
+  MKDEP			= $(TOPDIR)/tools/mknulldeps.sh
+  ARCHCPUFLAGS		= -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
+  ARCHINCLUDES		= -I. -isystem "${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)/nxflat/ld.script}"
+  MAXOPTIMIZATION	= -O2
+endif
+
+ifeq ("${CONFIG_DEBUG}","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		=
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
+
+CFLAGS			= $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
+			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
+CXXFLAGS		= $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
+			  $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) -pipe
+CXXPICFLAGS		= $(ARCHPICFLAGS) $(CXXFLAGS)
+CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
+AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
+
+OBJEXT			= .o
+LIBEXT			= .a
+EXEEXT			=
+
+ifneq ($(CROSSDEV),arm-elf-)
+  LDFLAGS		+= -nostartfiles -nodefaultlibs
+endif
+ifeq ($(CONFIG_DEBUG),y)
+  LDFLAGS		+= -g
+endif
+
+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/eagle100/nxflat/ld.script

@@ -0,0 +1,111 @@
+/****************************************************************************
+ * configs/eagle100/nxflat/ld.script
+ *
+ *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/* The LM3S6918 has 256Kb of FLASH beginning at address 0x0000:0000. However,
+ * if the the Eagle100 Ethernet bootloader is used, then the entry point must
+ * be at the following offset in FLASH (and the size of the FLASH must be
+ * reduced to 248Kb):
+ */
+
+MEMORY
+{
+/*  flash (rx) : ORIGIN = 0x00000000, LENGTH = 256K */
+    flash (rx) : ORIGIN = 0x00002000, LENGTH = 248K
+    sram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
+}
+
+OUTPUT_ARCH(arm)
+ENTRY(_stext)
+SECTIONS
+{
+	.text : {
+		_stext = ABSOLUTE(.);
+		*(.vectors)
+		*(.text .text.*)        
+		*(.fixup)
+		*(.gnu.warning)
+		*(.rodata .rodata.*)        
+		*(.gnu.linkonce.t.*)
+		*(.glue_7)
+		*(.glue_7t)
+		*(.got)
+		*(.gcc_except_table)
+		*(.gnu.linkonce.r.*)
+		_etext = ABSOLUTE(.);
+	} > flash
+
+	_eronly = ABSOLUTE(.);		/* See below                    */
+
+	/* The LM3S6918 has 64Kb of SRAM beginning at the following address */
+
+	.data : {
+		_sdata = ABSOLUTE(.);
+		*(.data .data.*)
+		*(.gnu.linkonce.d.*)
+		CONSTRUCTORS
+		_edata = ABSOLUTE(.);
+	} > sram AT > flash
+
+	.ARM.extab : {
+		*(.ARM.extab*)
+	} >sram
+
+	.ARM.exidx : {
+		__exidx_start = ABSOLUTE(.);
+		*(.ARM.exidx*)
+		__exidx_end = ABSOLUTE(.);
+	} >sram
+
+	.bss : {			/* BSS				*/
+		_sbss = ABSOLUTE(.);
+		*(.bss .bss.*)
+		*(.gnu.linkonce.b.*)
+		*(COMMON)
+		_ebss = ABSOLUTE(.);
+	} > sram
+					/* Stabs debugging sections.	*/
+	.stab 0 : { *(.stab) }
+	.stabstr 0 : { *(.stabstr) }
+	.stab.excl 0 : { *(.stab.excl) }
+	.stab.exclstr 0 : { *(.stab.exclstr) }
+	.stab.index 0 : { *(.stab.index) }
+	.stab.indexstr 0 : { *(.stab.indexstr) }
+	.comment 0 : { *(.comment) }
+	.debug_abbrev 0 : { *(.debug_abbrev) }
+	.debug_info 0 : { *(.debug_info) }
+	.debug_line 0 : { *(.debug_line) }
+	.debug_pubnames 0 : { *(.debug_pubnames) }
+	.debug_aranges 0 : { *(.debug_aranges) }
+}

configs/eagle100/nxflat/setenv.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+# configs/eagle100/nxflat/setenv.sh
+#
+#   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# 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 [ "$(basename $0)" = "setenv.sh" ] ; then
+  echo "You must source this script, not run it!" 1>&2
+  exit 1
+fi
+
+if [ -z "${PATH_ORIG}" ]; then export PATH_ORIG="${PATH}"; fi
+
+WD=`pwd`
+export BUILDROOT_BIN="${WD}/../buildroot/build_arm_nofpu/staging_dir/bin"
+export PATH="${BUILDROOT_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
+
+echo "PATH : ${PATH}"

configs/eagle100/ostest/Make.defs

@@ -84,12 +84,14 @@ ARCHCXXFLAGS		= -fno-builtin -fno-exceptions
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHWARNINGSXX		= -Wall -Wshadow
 ARCHDEFINES		=
-ARCHPICFLAGS		= -fpic
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 
 CFLAGS			= $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CXXFLAGS		= $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) -pipe
+CXXPICFLAGS		= $(ARCHPICFLAGS) $(CXXFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/eagle100/ostest/defconfig

@@ -247,6 +247,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=ostest
 CONFIG_DEBUG=n
@@ -269,6 +272,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/mcu123-lpc214x/nsh/Make.defs

@@ -93,15 +93,17 @@ endif
 
 ARCHCFLAGS		= -fno-builtin
 ARCHCXXFLAGS		= -fno-builtin -fno-exceptions
-ARCHPICFLAGS		= -fpic
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHWARNINGSXX		= -Wall -Wshadow
 ARCHDEFINES		=
 
 CFLAGS			= $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CXXFLAGS		= $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) -pipe
+CXXPICFLAGS		= $(ARCHPICFLAGS) $(CXXFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/mcu123-lpc214x/nsh/defconfig

@@ -198,6 +198,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=nsh
 CONFIG_DEBUG=n
@@ -220,6 +223,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/mcu123-lpc214x/ostest/Make.defs

@@ -93,15 +93,17 @@ endif
 
 ARCHCFLAGS		= -fno-builtin
 ARCHCXXFLAGS		= -fno-builtin -fno-exceptions
-ARCHPICFLAGS		= -fpic
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHWARNINGSXX		= -Wall -Wshadow
 ARCHDEFINES		=
 
 CFLAGS			= $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CXXFLAGS		= $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) -pipe
+CXXPICFLAGS		= $(ARCHPICFLAGS) $(CXXFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/mcu123-lpc214x/ostest/defconfig

@@ -198,6 +198,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=ostest
 CONFIG_DEBUG=n
@@ -220,6 +223,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/mcu123-lpc214x/usbserial/Make.defs

@@ -93,15 +93,17 @@ endif
 
 ARCHCFLAGS		= -fno-builtin
 ARCHCXXFLAGS		= -fno-builtin -fno-exceptions
-ARCHPICFLAGS		= -fpic
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHWARNINGSXX		= -Wall -Wshadow
 ARCHDEFINES		=
 
 CFLAGS			= $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CXXFLAGS		= $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) -pipe
+CXXPICFLAGS		= $(ARCHPICFLAGS) $(CXXFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/mcu123-lpc214x/usbserial/defconfig

@@ -198,6 +198,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=usbserial
 CONFIG_DEBUG=n
@@ -483,6 +486,7 @@ CONFIG_USBSER_VENDORSTR="Nuttx"
 CONFIG_USBSER_PRODUCTSTR="USBdev Serial"
 CONFIG_USBSER_RXBUFSIZE=512
 CONFIG_USBSER_TXBUFSIZE=512
+CONFIG_NXFLAT=n
 
 #
 # USB Storage Device Configuration

configs/mcu123-lpc214x/usbstorage/Make.defs

@@ -93,15 +93,17 @@ endif
 
 ARCHCFLAGS		= -fno-builtin
 ARCHCXXFLAGS		= -fno-builtin -fno-exceptions
-ARCHPICFLAGS		= -fpic
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHWARNINGSXX		= -Wall -Wshadow
 ARCHDEFINES		=
 
 CFLAGS			= $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CXXFLAGS		= $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) -pipe
+CXXPICFLAGS		= $(ARCHPICFLAGS) $(CXXFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/mcu123-lpc214x/usbstorage/defconfig

@@ -198,6 +198,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=usbstorage
 CONFIG_DEBUG=n
@@ -221,6 +224,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/mx1ads/ostest/Make.defs

@@ -69,13 +69,15 @@ ARCHDEFINES		=
 ARCHINCLUDES		= -I. -isystem $(TOPDIR)/include
 ARCHXXINCLUDES		= -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
 
-ARCHPICFLAGS		= -fpic
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 ARCHSCRIPT		= -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/ostest/ld.script
 
 CFLAGS			= $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CXXFLAGS		= $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) -pipe
+CXXPICFLAGS		= $(ARCHPICFLAGS) $(CXXFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/mx1ads/ostest/defconfig

@@ -205,6 +205,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=ostest
 CONFIG_DEBUG=n
@@ -227,6 +230,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/ntosd-dm320/nettest/Make.defs

@@ -59,7 +59,8 @@ ifeq ($(ARCHCCMAJOR),4)
 else
   ARCHCPUFLAGS		= -mapcs-32 -mtune=arm9tdmi -march=armv5te -msoft-float -fno-builtin
 endif
-ARCHPICFLAGS		= -fpic
+
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHDEFINES		=
 ARCHINCLUDES		= -I. -isystem $(TOPDIR)/include
@@ -67,6 +68,7 @@ ARCHSCRIPT		= -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/nettest/ld.script
 
 CFLAGS			= $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/ntosd-dm320/nettest/defconfig

@@ -182,6 +182,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=nettest
 CONFIG_DEBUG=n
@@ -204,6 +207,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/ntosd-dm320/nsh/Make.defs

@@ -59,7 +59,8 @@ ifeq ($(ARCHCCMAJOR),4)
 else
   ARCHCPUFLAGS		= -mapcs-32 -mtune=arm9tdmi -march=armv5te -msoft-float -fno-builtin
 endif
-ARCHPICFLAGS		= -fpic
+
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHDEFINES		=
 ARCHINCLUDES		= -I. -isystem $(TOPDIR)/include
@@ -67,6 +68,7 @@ ARCHSCRIPT		= -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/nsh/ld.script
 
 CFLAGS			= $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/ntosd-dm320/nsh/defconfig

@@ -182,6 +182,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=nsh
 CONFIG_DEBUG=n
@@ -204,6 +207,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/ntosd-dm320/ostest/Make.defs

@@ -59,7 +59,8 @@ ifeq ($(ARCHCCMAJOR),4)
 else
   ARCHCPUFLAGS		= -mapcs-32 -mtune=arm9tdmi -march=armv5te -msoft-float -fno-builtin
 endif
-ARCHPICFLAGS		= -fpic
+
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHDEFINES		=
 ARCHINCLUDES		= -I. -isystem $(TOPDIR)/include
@@ -67,6 +68,7 @@ ARCHSCRIPT		= -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/ostest/ld.script
 
 CFLAGS			= $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/ntosd-dm320/ostest/defconfig

@@ -182,6 +182,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=ostest
 CONFIG_DEBUG=n
@@ -204,6 +207,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/ntosd-dm320/poll/Make.defs

@@ -59,7 +59,8 @@ ifeq ($(ARCHCCMAJOR),4)
 else
   ARCHCPUFLAGS		= -mapcs-32 -mtune=arm9tdmi -march=armv5te -msoft-float -fno-builtin
 endif
-ARCHPICFLAGS		= -fpic
+
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHDEFINES		=
 ARCHINCLUDES		= -I. -isystem $(TOPDIR)/include
@@ -67,6 +68,7 @@ ARCHSCRIPT		= -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/poll/ld.script
 
 CFLAGS			= $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/ntosd-dm320/poll/defconfig

@@ -182,6 +182,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=poll
 CONFIG_DEBUG=n
@@ -204,6 +207,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/ntosd-dm320/udp/Make.defs

@@ -59,7 +59,8 @@ ifeq ($(ARCHCCMAJOR),4)
 else
   ARCHCPUFLAGS		= -mapcs-32 -mtune=arm9tdmi -march=armv5te -msoft-float -fno-builtin
 endif
-ARCHPICFLAGS		= -fpic
+
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHDEFINES		=
 ARCHINCLUDES		= -I. -isystem $(TOPDIR)/include
@@ -67,6 +68,7 @@ ARCHSCRIPT		= -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/udp/ld.script
 
 CFLAGS			= $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/ntosd-dm320/udp/defconfig

@@ -182,6 +182,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=udp
 CONFIG_DEBUG=n
@@ -204,6 +207,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/ntosd-dm320/uip/Make.defs

@@ -59,7 +59,8 @@ ifeq ($(ARCHCCMAJOR),4)
 else
   ARCHCPUFLAGS		= -mapcs-32 -mtune=arm9tdmi -march=armv5te -msoft-float -fno-builtin
 endif
-ARCHPICFLAGS		= -fpic
+
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHDEFINES		=
 ARCHINCLUDES		= -I. -isystem $(TOPDIR)/include
@@ -67,6 +68,7 @@ ARCHSCRIPT		= -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/uip/ld.script
 
 CFLAGS			= $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/ntosd-dm320/uip/defconfig

@@ -182,6 +182,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=uip
 CONFIG_DEBUG=n
@@ -204,6 +207,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/olimex-strp711/nsh/Make.defs

@@ -93,15 +93,17 @@ endif
 
 ARCHCFLAGS		= -fno-builtin
 ARCHCXXFLAGS		= -fno-builtin -fno-exceptions
-ARCHPICFLAGS		= -fpic
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHWARNINGSXX		= -Wall -Wshadow
 ARCHDEFINES		=
 
 CFLAGS			= $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CXXFLAGS		= $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) -pipe
+CXXPICFLAGS		= $(ARCHPICFLAGS) $(CXXFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/olimex-strp711/nsh/defconfig

@@ -265,6 +265,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=nsh
 CONFIG_DEBUG=n
@@ -287,6 +290,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

configs/olimex-strp711/ostest/Make.defs

@@ -93,15 +93,17 @@ endif
 
 ARCHCFLAGS		= -fno-builtin
 ARCHCXXFLAGS		= -fno-builtin -fno-exceptions
-ARCHPICFLAGS		= -fpic
+ARCHPICFLAGS		= -fpic -msingle-pic-base -mpic-register=r10
 ARCHWARNINGS		= -Wall -Wstrict-prototypes -Wshadow
 ARCHWARNINGSXX		= -Wall -Wshadow
 ARCHDEFINES		=
 
 CFLAGS			= $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) -pipe
+CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CXXFLAGS		= $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
 			  $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) -pipe
+CXXPICFLAGS		= $(ARCHPICFLAGS) $(CXXFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 

configs/olimex-strp711/ostest/defconfig

@@ -265,6 +265,9 @@ CONFIG_HAVE_LIBM=n
 # CONFIG_SDCLONE_DISABLE. Disable cloning of all socket
 #   desciptors by task_create() when a new task is started. If
 #   set, all sockets will appear to be closed in the new task.
+# CONFIG_NXFLAT. Enable support for the NXFLAT binary format.
+#  This format will support execution of NuttX binaries located
+#  in a ROMFS filesystem (see examples/nxflat).
 #
 CONFIG_EXAMPLE=ostest
 CONFIG_DEBUG=n
@@ -287,6 +290,7 @@ CONFIG_SEM_NNESTPRIO=0
 CONFIG_FDCLONE_DISABLE=n
 CONFIG_FDCLONE_STDIO=n
 CONFIG_SDCLONE_DISABLE=y
+CONFIG_NXFLAT=n
 
 #
 # The following can be used to disable categories of

examples/nxflat/tests/Make.defs

@@ -34,9 +34,9 @@
 ############################################################################
 
 NXFLATCC = $(CC)
-NXFLATCFLAGS = $(CFLAGS)
+NXFLATCFLAGS = $(CPICFLAGS)
 NXFLATCXX = $(CXX)
-NXFLATCXXFLAGS = $(CXXFLAGS)
+NXFLATCXXFLAGS = $(CXXPICFLAGS)
 NXFLATCC = $(CC)
 NXFLATCFLAGS = $(CFLAGS)
 

examples/nxflat/tests/Makefile

@@ -33,23 +33,25 @@
 #
 ############################################################################
 
-TESTDIRS	:= errno hello hello++ longjmp mutex pthread signal task
+# Most of these do no build yet
+#SUBDIRS	= errno hello hello++ longjmp mutex pthread signal task
+SUBDIRS	= errno hello pthread task
 
-define TEST_template
+define DIR_template
 $(1)_$(2):
 	$(MAKE) -C $(1) $(3)
 endef
 
-$(foreach TEST, $(TESTDIRS), $(eval $(call TEST_template,$(TEST),build, all)))
-$(foreach TEST, $(TESTDIRS), $(eval $(call TEST_template,$(TEST),clean,clean)))
-$(foreach TEST, $(TESTDIRS), $(eval $(call TEST_template,$(TEST),install,install)))
-
 all: build
-.PHONY: all build clean user_install root_install
+.PHONY: all build clean install
 
-build: $(foreach TEST, $(TESTDIRS), $(TEST)_build)
+$(foreach DIR, $(SUBDIRS), $(eval $(call DIR_template,$(DIR),build, all)))
+$(foreach DIR, $(SUBDIRS), $(eval $(call DIR_template,$(DIR),clean,clean)))
+$(foreach DIR, $(SUBDIRS), $(eval $(call DIR_template,$(DIR),install,install)))
 
-clean: $(foreach TEST, $(TESTDIRS), $(TEST)_clean)
+build: $(foreach DIR, $(SUBDIRS), $(DIR)_build)
 
-install: $(foreach TEST, $(TESTDIRS), $(TEST)_install)
+clean: $(foreach DIR, $(SUBDIRS), $(DIR)_clean)
+
+install: $(foreach DIR, $(SUBDIRS), $(DIR)_install)
 

examples/nxflat/tests/errno/Makefile

@@ -39,22 +39,34 @@ include ../Make.defs		# NXFLAT make info
 
 BIN			= errno
 
-SRCS			= $(BIN).c
+R1SRCS			= $(BIN).c
-OBJS			= $(SRCS:.c=.o)
+R1OBJS			= $(R1SRCS:.c=.o)
+
+R2SRC			= $(BIN)-thunk.S
+R2OBJ			= $(R2SRC:.S=.o)
 
 all: $(BIN)
 
-$(OBJS): %.o: %.c
+$(R1OBJS): %.o: %.c
 	$(NXFLATCC) -c $(NXFLATCFLAGS) $< -o $@
 
-$(BIN).rnx: $(OBJS)
+$(R2OBJ): %.o: %.S
+	$(NXFLATCC) -c $(NXFLATCFLAGS) $< -o $@
+
+$(BIN).r1: $(R1OBJS)
 	$(NXFLATLD) -r $(NXFLATLDFLAGS) -o $@ $^
 
-$(BIN): $(BIN).rnx
+$(R2SRC): $(BIN).r1
+	$(MKNXFLAT) -o $@ $^
+
+$(BIN).r2: $(R2OBJ)
+	$(NXFLATLD) -r $(NXFLATLDFLAGS) -o $@ $^
+
+$(BIN): $(BIN).r2
 	touch $(BIN) # For now
 
 clean: 
-	rm -f $(BIN) *.o *.rnx *~ .*.swp core
+	rm -f $(BIN) $(R2SRC) *.o *.r1 *.r2 *~ .*.swp core
 
 install:
 	install -D $(BIN) $(ROMFS_DIR)/$(BIN)

examples/nxflat/tests/hello++/Makefile

@@ -41,31 +41,46 @@ BIN1			= hello++1
 BIN2			= hello++2
 BIN3			= hello++3
 #BIN4			= hello++4
+ALL_BIN			= $(BIN1) $(BIN2) $(BIN3) $(BIN4)
 
-SRCS1			= $(BIN1).c
+R1SRCS1			= $(BIN1).c
-OBJS1			= $(SRCS1:.c=.o)
+OBJS1			= $(R1SRCS1:.c=.o)
+R2SRC1			= $(BIN1)-thunk.S
+R2OBJ1			= $(R2SRC1:.S=.o)
 
-SRCS2			= $(BIN2).c
+R1SRCS2			= $(BIN2).c
-OBJS2			= $(SRCS2:.c=.o)
+OBJS2			= $(R1SRCS2:.c=.o)
+R2SRC2			= $(BIN2)-thunk.S
+R2OBJ2			= $(R2SRC2:.S=.o)
 
-SRCS3			= $(BIN3).c
+R1SRCS3			= $(BIN3).c
-OBJS3			= $(SRCS3:.c=.o)
+OBJS3			= $(R1SRCS3:.c=.o)
+R2SRC3			= $(BIN3)-thunk.S
+R2OBJ3			= $(R2SRC3:.S=.o)
 
-#SRCS4			= $(BIN4).c
+#R1SRCS4		= $(BIN4).c
-#OBJS4			= $(SRCS4:.c=.o)
+#OBJS4			= $(R1SRCS4:.c=.o)
+#R2SRC4			= $(BIN4)-thunk.S
+#R2OBJ4			= $(R2SRC4:.S=.o)
 
-CXXOBJS			= $(OBJS1) $(OBJS2) $(OBJS3) # $(OBJS4)
+DERIVED			= $(R2SRC1) $(R2SRC2) $(R2SRC3) $(R2SRC4)
+
+R1CXXOBJS		= $(R1OBJS1) $(R1OBJS2) $(R1OBJS3) # $(R1OBJS4)
+R2AOBJS			= $(R2OBJ1) $(R2OBJ2) $(R2OBJ3) # $(R2OBJ4)
 
 LIBSTDC_STUBS_DIR	= $(TOPDIR)/libxx
 LIBSTDC_STUBS_LIB	= $(LIBSTDC_STUBS_DIR)/liblibxx.a
 
 all: $(BIN1) $(BIN2) $(BIN3) # $(BIN4)
 
-$(CXXOBJS): %.o: %.cpp
+$(R1CXXOBJS): %.o: %.cpp
 	$(NXFLATCXX) -c $(NXFLATCXXFLAGS) $< -o $@
 
+$(R2AOBJS): %.o: %.S
+	$(NXFLATCC) -c $(NXFLATCFLAGS) $< -o $@
+
 # This contains libstdc++ stubs to that you can build C++ code
-# without actually have libstdc++
+# without actually having libstdc++
 
 $(LIBSTDC_STUBS_LIB):
 	$(MAKE) -C $(LIBSTDC_STUBS_DIR) TOPDIR=$(TOPDIR)
@@ -75,16 +90,28 @@ $(LIBSTDC_STUBS_LIB):
 # BIN2 contains a class that implements hello world, but it is
 # not statically initialized.
 
-$(BIN1).rnx: $(OBJS1)
+$(BIN1).r1: $(OBJS1)
 	$(NXFLATLD) -r $(NXFLATLDFLAGS) -o $@ $^
 
-$(BIN1): $(BIN1).rnx
+$(R2SRC1): $(BIN1).r1
+	$(MKNXFLAT) -o $@ $^
+
+$(BIN1).r2: $(R2OBJ1)
+	$(NXFLATLD) -r $(NXFLATLDFLAGS) -o $@ $^
+
+$(BIN1): $(BIN1).r2
 	touch $(BIN1) # For now
 
-$(BIN2).rnx: $(OBJS2) $(LIBSTDC_STUBS_LIB)
+$(BIN2).r1: $(OBJS2) $(LIBSTDC_STUBS_LIB)
 	$(NXFLATLD) -r $(NXFLATLDFLAGS) -o $@ $^
 
-$(BIN2): $(BIN2).rnx
+$(R2SRC2): $(BIN2).r1
+	$(MKNXFLAT) -o $@ $^
+
+$(BIN2).r2: $(R2OBJ2)
+	$(NXFLATLD) -r $(NXFLATLDFLAGS) -o $@ $^
+
+(BIN2): $(BIN2).r2
 	touch $(BIN2) # For now
 
 # BIN3 and BIN4 require that we include --cxx in the xflat-ld command.
@@ -93,26 +120,38 @@ $(BIN2): $(BIN2).rnx
 #
 # BIN3 is equivalent to BIN2 except that is uses static initializers
 
-$(BIN3).rnx: $(OBJS3) $(LIBSTDC_STUBS_LIB)
+$(BIN3).r1: $(OBJS3) $(LIBSTDC_STUBS_LIB)
 	$(NXFLATLD) -r $(NXFLATLDFLAGS) -o $@ $^
 
-$(BIN3): $(BIN3).rnx
+$(R2SRC3): $(BI3N).r1
+	$(MKNXFLAT) -o $@ $^
+
+$(BIN3).r2: $(R2OBJ3)
+	$(NXFLATLD) -r $(NXFLATLDFLAGS) -o $@ $^
+
+$(BIN3): $(BIN3).r2
 	touch $(BIN3) # For now
 
 # BIN4 is similar to BIN3 except that it uses the streams code from libstdc++
 #
 # NOTE:  libstdc++ is not available for XFLAT as of this writing
 #
-#$(BIN4).rnx: $(OBJS4) $(LIBSTDC_STUBS_LIB)
+#$(BIN4).r1: $(OBJS4) $(LIBSTDC_STUBS_LIB)
 #	$(NXFLATLD) -r $(NXFLATLDFLAGS) -o $@ $^
 #
-#$(BIN4): $(BIN4).rnx
+#$(R2SRC4): $(BIN4).r1
+#	$(MKNXFLAT) -o $@ $^
+#
+#$(BIN4).r2: $(R2OBJ4)
+#	$(NXFLATLD) -r $(NXFLATLDFLAGS) -o $@ $^
+#
+#$(BIN4): $(BIN4).r2
 #	touch $(BIN4) # For now
 
 clean: 
-	rm -f $(BIN1) $(BIN2) $(BIN3) $(BIN4) *.o *.rnx *~ .*.swp core
+	rm -f $(ALL_BIN) $(DERIVED) *.o *.r1 *.r2 *~ .*.swp core
 
-user_install: $(BIN1) $(BIN2) $(BIN3) # $(BIN4)
+install: $(ALL_BIN)
 	install -D $(BIN1) $(ROMFS_DIR)/$(BIN1)
 	install -D $(BIN2) $(ROMFS_DIR)/$(BIN2)
 	install -D $(BIN3) $(ROMFS_DIR)/$(BIN3)