Creating 1st pass locked region build
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2888 42af7a65-404d-4744-a932-0658087f49c3
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@ -391,6 +391,16 @@ selected as follow:
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Where <subdir> is one of the following:
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locked
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This is not a configuration. When on-demand page is enabled
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then we must do a two pass link: The first pass creates an
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intermediate object that has all of the code that must be
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placed in the locked memory partition. This is logic that
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must be locked in memory at all times.
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The directory contains the logic necessary to do the platform
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specific first pass link for the EA313x.
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nsh:
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Configures the NuttShell (nsh) located at examples/nsh. The
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Configuration enables only the serial NSH interface.
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54
configs/ea3131/locked/Makefile
Executable file
54
configs/ea3131/locked/Makefile
Executable file
@ -0,0 +1,54 @@
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############################################################################
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# configs/ea3131/locked/Makefile
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#
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# Copyright (C) 2010 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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-include $(TOPDIR)/Make.defs
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all: liblocked.r
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ld-locked.script:
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./mklocked.sh "$(TOPDIR)"
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liblocked.r: ld-locked.script $(OBJS)
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@LD -o $@ --start-group $(LDLIBS) --end-group -u os_start $(LIBGCC)
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.depend:
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depend: .depend
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clean:
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@rm -f liblocked.r *~ .*.swp
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distclean: clean
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@rm -f ld-locked.script
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137
configs/ea3131/locked/mklocked.sh
Executable file
137
configs/ea3131/locked/mklocked.sh
Executable file
@ -0,0 +1,137 @@
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#!/bin/sh
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###########################################################################
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# configs/ea3131/locked/mklocked.sh
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#
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# Copyright (C) 2010 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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#set -x
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############################################################################
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# Arguments
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############################################################################
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USAGE="$0 <nuttx-dir>"
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TOPDIR="$1"
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CONFIG="$TOPDIR/.config"
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if [ -z "$TOPDIR" ]; then
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echo "Missing Argument"
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echo $USAGE
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exit 1
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fi
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if [ ! -d "$TOPDIR" ]; then
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echo "NuttX directory does not exist: $TOPDIR"
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echo $USAGE
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exit 1
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fi
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if [ ! -f "$CONFIG" ]; then
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echo "Configuration file not found: $CONFIG"
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exit 1
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fi
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############################################################################
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# Functions
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############################################################################
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function checkconfig () {
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CONFIGLINE=`cat "$CONFIG" | grep "$1="`
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if [ "X${CONFIGLINE}" = "X${1}=y" ]; then
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echo "y"
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else
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echo "n"
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fi
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}
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############################################################################
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# Interrupt Handlers
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############################################################################
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#
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# All interrupt handlers must be forced to lie in the locked
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# .text region
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#
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# These are the vector entry points (only one is really needed
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# since they are all in the same file). These should drag in all
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# of the vector dispatching logic.
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#
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rm -f ld-locked.script
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echo "EXTERN(up_vectorswi)" >>ld-locked.script
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echo "EXTERN(up_vectordata)" >>ld-locked.script
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echo "EXTERN(up_vectorprefetch)" >>ld-locked.script
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echo "EXTERN(up_vectorundefinsn)" >>ld-locked.script
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echo "EXTERN(up_vectorfiq)" >>ld-locked.script
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echo "EXTERN(up_vectorirq)" >>ld-locked.script
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#
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# These are the initialization entry points of all device drivers
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# that handle interrupts. We really want to include as little as
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# possible -- ideally just the interrupt handler itself, but that
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# is not usually possible.
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#
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# Of course, this list must be extended as interrupt handlers are
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# added.
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echo "EXTERN(up_timerinit)" >>ld-locked.script
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answer=$(checkconfig CONFIG_LPC313X_UART)
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if [ $answer = y ]; then
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echo "EXTERN(up_earlyserialinit)" >>ld-locked.script
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fi
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# up_i2cinitialize -- Not conditioned on anything
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answer=$(checkconfig CONFIG_USBDEV)
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if [ $answer = y ]; then
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echo "EXTERN(up_usbinitialize)" >>ld-locked.script
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fi
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############################################################################
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# Idle Loop
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############################################################################
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#
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# The IDLE loop must be forced to lie in the locked .text region
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# NOTE that most of the IDLE loop is is os_start.c, but we don't
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# we want to handle that differently so that it does not draw in
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# a lot of things that we do not need.
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echo "EXTERN(up_idle)" >>ld-locked.script
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############################################################################
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# PG Fill Worker Thread
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############################################################################
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#
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# All of the page fill worker thread must be in the locked .text
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# region.
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echo "EXTERN(pg_worker)" >>ld-locked.script
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