Add OpenOCD support for LM4F120 LaunchPad. From JP Carballo
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5747 42af7a65-404d-4744-a932-0658087f49c3
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@ -136,16 +136,33 @@ Using OpenOCD and GDB with an FT2232 JTAG emulator
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Building OpenOCD under Cygwin:
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Refer to configs/lm4f120-launchpad/README.txt
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Refer to configs/olimex-lpc1766stk/README.txt
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Installing OpenOCD in Linux:
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sudo apt-get install openocd
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sudo apt-get install openocd
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As of this writing, there is no support for the lm4f120 in the package
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above. You will have to build openocd from its source (as of this writing
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the latest commit was b9b4bd1a6410ff1b2885d9c2abe16a4ae7cb885f):
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git clone http://git.code.sf.net/p/openocd/code openocd
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cd openocd
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Then, add the patches provided by http://openocd.zylin.com/922:
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git fetch http://openocd.zylin.com/openocd refs/changes/22/922/14 && git checkout FETCH_HEAD
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./bootstrap
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./configure --enable-maintainer-mode --enable-ti-icdi
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make
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sudo make install
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For additional help, see http://processors.wiki.ti.com/index.php/Stellaris_Launchpad_with_OpenOCD_and_Linux
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Helper Scripts.
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I have been using the on-board FT2232 JTAG/SWD/SWO interface. OpenOCD
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requires a configuration file. I keep the one I used last here:
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I have been using the on-board In-Circuit Debug Interface (ICDI) interface.
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OpenOCD requires a configuration file. I keep the one I used last here:
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configs/lm4f120-launchpad/tools/lm4f120-launchpad.cfg
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@ -155,9 +172,9 @@ Using OpenOCD and GDB with an FT2232 JTAG emulator
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/usr/share/openocd/scripts. As of this writing, the configuration
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files of interest were:
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/usr/share/openocd/scripts/interface/luminary.cfg
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/usr/share/openocd/scripts/board/ek-lm3s6965.cfg
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/usr/share/openocd/scripts/target/stellaris.cfg
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/usr/local/share/openocd/scripts/board/ek-lm4f120xl.cfg
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/usr/local/share/openocd/scripts/interface/ti-icdi.cfg
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/usr/local/share/openocd/scripts/target/stellaris_icdi.cfg
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There is also a script on the tools/ directory that I use to start
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the OpenOCD daemon on my system called oocd.sh. That script will
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@ -169,9 +186,14 @@ Using OpenOCD and GDB with an FT2232 JTAG emulator
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Starting OpenOCD
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Then you should be able to start the OpenOCD daemon like:
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If you are in the top-level NuttX build directlory then you should
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be able to start the OpenOCD daemon like:
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configs/lm4f120-launchpad/tools/oocd.sh $PWD
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oocd.sh $PWD
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The relative path to the oocd.sh script is configs/lm4f120-launchpad/tools,
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but that should have been added to your PATH variable when you sourced
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the setenv.sh script.
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Connecting GDB
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@ -1,7 +1,7 @@
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#!/bin/bash
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# configs/lm4f120-launchpad/ostest/setenv.sh
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#
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# Copyright (C) 2010 Gregory Nutt. All rights reserved.
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# Copyright (C) 2013 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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@ -64,7 +64,10 @@ fi
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# toolchain.
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export TOOLCHAIN_BIN="${WD}/../misc/buildroot/build_arm_nofpu/staging_dir/bin"
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# Add the path to the toolchain to the PATH varialble
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export PATH="${TOOLCHAIN_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
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# The lm4f120-launchpad/tools directory
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export TOOL_DIR="${WD}/configs/lm4f120-launchpad/tools"
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# Add the path to the toolchain and tools directory to the PATH varialble
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export PATH="${TOOLCHAIN_BIN}:${TOOL_DIR}:/sbin:/usr/sbin:${PATH_ORIG}"
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echo "PATH : ${PATH}"
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71
configs/lm4f120-launchpad/tools/lm4f120-launchpad.cfg
Normal file
71
configs/lm4f120-launchpad/tools/lm4f120-launchpad.cfg
Normal file
@ -0,0 +1,71 @@
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#
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# TI Stellaris Launchpad ek-lm4f120xl Evaluation Kits
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#
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# http://www.ti.com/tool/ek-lm4f120xl
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#
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#
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# NOTE: using the bundled ICDI interface is optional!
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# This interface is not ftdi based as previous boards were
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#
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# Interface configuration
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#
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# TI Stellaris In-Circuit Debug Interface (ICDI) Board
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#
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# This is the propriety ICDI interface used on newer boards such as
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# LM4F232 Evaluation Kit - http://www.ti.com/tool/ek-lm4f232
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# Stellaris Launchpad - http://www.ti.com/stellaris-launchpad
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# http://www.ti.com/tool/ek-lm4f232
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#
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interface hla
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hla_layout ti-icdi
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hla_vid_pid 0x1cbe 0x00fd
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# Board configuration
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# unused but set to disable warnings
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adapter_khz 1000
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set WORKAREASIZE 0x8000
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set CHIPNAME lm4f120h5qr
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# Target configuration
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#
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# lm3s icdi pseudo target
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#
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if { [info exists CHIPNAME] } {
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set _CHIPNAME $CHIPNAME
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} else {
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set _CHIPNAME lm3s
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}
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# Work-area is a space in RAM used for flash programming
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# By default use 16kB
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if { [info exists WORKAREASIZE] } {
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set _WORKAREASIZE $WORKAREASIZE
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} else {
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set _WORKAREASIZE 0x4000
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}
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#
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# possible value are hla_jtag
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# currently swd is not supported
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#
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transport select hla_jtag
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# do not check id as icdi currently does not support it
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hla newtap $_CHIPNAME cpu -expected-id 0
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set _TARGETNAME $_CHIPNAME.cpu
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target create $_TARGETNAME hla_target -chain-position $_TARGETNAME
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$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
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# flash configuration ... autodetects sizes, autoprobed
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flash bank $_CHIPNAME.flash stellaris 0 0 0 0 $_TARGETNAME
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58
configs/lm4f120-launchpad/tools/oocd.sh
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58
configs/lm4f120-launchpad/tools/oocd.sh
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@ -0,0 +1,58 @@
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#!/bin/sh
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#
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# See configs/lm4f120-launchpad/README.txt for information about
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# this file.
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TOPDIR=$1
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USAGE="$0 <TOPDIR> [-d]"
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if [ -z "${TOPDIR}" ]; then
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echo "Missing argument"
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echo $USAGE
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exit 1
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fi
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# Assume that OpenOCD was installed and at /usr/local/bin. Uncomment
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# the following to run directly from the build directory
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# OPENOCD_PATH="/home/OpenOCD/openocd/src"
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# OPENOCD_PATH="/usr/bin"
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OPENOCD_PATH="/usr/local/bin"
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# TARGET_PATH="/home/OpenOCD/openocd/tcl"
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# TARGET_PATH="/usr/share/openocd/scripts"
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TARGET_PATH="/usr/local/share/openocd/scripts"
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# Assume a Unix development environment. Uncomment to use a Windows
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# like environment
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# OPENOCD_EXE=openocd.exe
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OPENOCD_EXE=openocd
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OPENOCD_CFG="${TOPDIR}/configs/lm4f120-launchpad/tools/lm4f120-launchpad.cfg"
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OPENOCD_ARGS="-f ${OPENOCD_CFG} -s ${TARGET_PATH}"
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if [ "X$2" = "X-d" ]; then
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OPENOCD_ARGS=$OPENOCD_ARGS" -d3"
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set -x
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fi
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if [ ! -d ${OPENOCD_PATH} ]; then
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echo "OpenOCD path does not exist: ${OPENOCD_PATH}"
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exit 1
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fi
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if [ ! -x ${OPENOCD_PATH}/${OPENOCD_EXE} ]; then
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echo "OpenOCD does not exist: ${OPENOCD_PATH}/${OPENOCD_EXE}"
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exit 1
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fi
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if [ ! -f ${OPENOCD_CFG} ]; then
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echo "OpenOCD config file does not exist: ${OPENOCD_CFG}"
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exit 1
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fi
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echo "Starting OpenOCD"
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cd ${OPENOCD_PATH} || { echo "Failed to CD to ${OPENOCD_PATH}"; exit 1; }
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${OPENOCD_EXE} ${OPENOCD_ARGS} &
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echo "OpenOCD daemon started"
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ps -ef | grep openocd
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echo "In GDB: target remote localhost:3333"
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@ -307,6 +307,9 @@ CONFIGURATION
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Make the user-space binaries first (pass1), then make the the kernel-space
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binaries (pass2)
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There are ordering dependencies so, for example, 'make -j 6' fails.
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'make -j 6 pass1 pass2' does work fine, however.
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NOTES:
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1. This configuration uses the mconf-based configuration tool. To
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@ -64,7 +64,7 @@ fi
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# toolchain.
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export TOOLCHAIN_BIN="${WD}/../misc/buildroot/build_arm_nofpu/staging_dir/bin"
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# The Olimex-lpc1766stk/tools directory
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# The open1788/tools directory
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export LPCTOOL_DIR="${WD}/configs/open1788/tools"
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# Add the path to the toolchain and tools directory to the PATH varialble
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