2008-02-28 01:44:13 -06:00
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\input texinfo @c -*-texinfo-*-
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@c %**start of header
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@setfilename openocd.info
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@settitle Open On-Chip Debugger (openocd)
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@dircategory Development
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@direntry
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* OpenOCD: (openocd). Open On-Chip Debugger.
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@end direntry
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@c %**end of header
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@include version.texi
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@titlepage
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@title Open On-Chip Debugger (openocd)
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@subtitle Edition @value{EDITION} for openocd version @value{VERSION}
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@subtitle @value{UPDATED}
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@page
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@vskip 0pt plus 1filll
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@end titlepage
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@contents
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@node Top, About, , (dir)
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@top OpenOCD
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This is edition @value{EDITION} of the openocd manual for version
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@value{VERSION}, @value{UPDATED}
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@menu
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* About:: About Openocd.
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* Developers::
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* Building:: Building Openocd
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* Running:: Running Openocd
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* Configuration:: Openocd Configuration.
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* Commands:: Openocd Commands
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* Sample Scripts:: Sample Target Scripts
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* GDB and Openocd:: Using GDB and Openocd
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* FAQ:: Frequently Asked Questions
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* License:: GNU Free Documentation License
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* Index:: Main index.
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@end menu
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@node About
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@unnumbered About
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@cindex about
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The Open On-Chip Debugger (openocd) aims to provide debugging, in-system programming
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and boundary-scan testing for embedded target devices. The targets are interfaced
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using JTAG (IEEE 1149.1) compliant hardware, but this may be extended to other
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connection types in the future.
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Openocd currently supports Wiggler (clones), FTDI FT2232 based JTAG interfaces, the
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Amontec JTAG Accelerator, and the Gateworks GW1602. It allows ARM7 (ARM7TDMI and ARM720t),
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ARM9 (ARM920t, ARM922t, ARM926ej--s, ARM966e--s), XScale (PXA25x, IXP42x) and
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Cortex-M3 (Luminary Stellaris LM3 and ST STM32) based cores to be debugged.
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Flash writing is supported for external CFI compatible flashes (Intel and AMD/Spansion
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command set) and several internal flashes (LPC2000, AT91SAM7, STR7x, STR9x, LM3
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and STM32x). Preliminary support for using the LPC3180's NAND flash controller is included.
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@node Developers
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@chapter Developers
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@cindex developers
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Openocd has been created by Dominic Rath as part of a diploma thesis written at the
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University of Applied Sciences Augsburg (@uref{http://www.fh-augsburg.de}).
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Others interested in improving the state of free and open debug and testing technology
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are welcome to participate.
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Other developers have contributed support for additional targets and flashes as well
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as numerous bugfixes and enhancements. See the AUTHORS file for regular contributors.
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@node Building
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@chapter Building
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@cindex building openocd
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You can download the current SVN version with SVN client of your choice from the
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following repositories:
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(@uref{svn://svn.berlios.de/openocd/trunk})
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or
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(@uref{http://svn.berlios.de/svnroot/repos/openocd/trunk})
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Using the SVN command line client, you could use the following command to fetch the
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latest version (make sure there is no (non-svn) directory called "openocd" in the
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current directory):
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@smallexample
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svn checkout svn://svn.berlios.de/openocd/trunk openocd
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@end smallexample
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Building the OpenOCD requires a recent version of the GNU autotools.
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On my build system, I'm using autoconf 2.13 and automake 1.9. For building on Windows,
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you have to use Cygwin. Make sure that your @env{PATH} environment variable contains no
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other locations with Unix utils (like UnxUtils) - these can't handle the Cygwin
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paths, resulting in obscure dependency errors (This is an observation I've gathered
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from the logs of one user - correct me if I'm wrong).
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You further need the appropriate driver files, if you want to build support for
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a FTDI FT2232 based interface:
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@itemize @bullet
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@item @b{ftdi2232} libftdi (@uref{http://www.intra2net.com/opensource/ftdi/})
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@item @b{ftd2xx} libftd2xx (@uref{http://www.ftdichip.com/Drivers/D2XX.htm})
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@item When using the Amontec JTAGkey, you have to get the drivers from the Amontec
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homepage (@uref{www.amontec.com}), as the JTAGkey uses a non-standard VID/PID.
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@end itemize
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Please note that the ftdi2232 variant (using libftdi) isn't supported under Cygwin.
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You have to use the ftd2xx variant (using FTDI's D2XX) on Cygwin.
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In general, the D2XX driver provides superior performance (several times as fast),
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but has the draw-back of being binary-only - though that isn't as worse, as it isn't
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a kernel module, only a user space library.
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To build OpenOCD (on both Linux and Cygwin), use the following commands:
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@smallexample
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./bootstrap
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@end smallexample
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Bootstrap generates the configure script, and prepares building on your system.
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@smallexample
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./configure
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@end smallexample
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Configure generates the Makefiles used to build OpenOCD.
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@smallexample
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make
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@end smallexample
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Make builds the OpenOCD, and places the final executable in ./src/.
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The configure script takes several options, specifying which JTAG interfaces
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should be included:
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@itemize @bullet
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@item
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@option{--enable-parport}
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@item
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@option{--enable-parport_ppdev}
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@item
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@option{--enable-amtjtagaccel}
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@item
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@option{--enable-ft2232_ftd2xx}
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@footnote{Using the latest D2XX drivers from FTDI and following their installation
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instructions, I had to use @option{--enable-ft2232_libftd2xx} for the OpenOCD to
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build properly.}
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@item
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@option{--enable-ft2232_libftdi}
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@item
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@option{--with-ftd2xx=/path/to/d2xx/}
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@end itemize
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If you want to access the parallel port using the PPDEV interface you have to specify
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both the @option{--enable-parport} AND the @option{--enable-parport_ppdev} option since
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the @option{--enable-parport_ppdev} option actually is an option to the parport driver
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(see @uref{http://forum.sparkfun.com/viewtopic.php?t=3795} for more info).
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Cygwin users have to specify the location of the FTDI D2XX package. This should be an
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absolute path containing no spaces.
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Linux users should copy the various parts of the D2XX package to the appropriate
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locations, i.e. /usr/include, /usr/lib.
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@node Running
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@chapter Running
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@cindex running openocd
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@cindex --configfile
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@cindex --debug_level
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@cindex --logfile
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@cindex --search
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The OpenOCD runs as a daemon, waiting for connections from clients (Telnet or GDB).
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Run with @option{--help} or @option{-h} to view the available command line arguments.
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It reads its configuration by default from the file openocd.cfg located in the current
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working directory. This may be overwritten with the @option{-f <configfile>} command line
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switch.
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To enable debug output (when reporting problems or working on OpenOCD itself), use
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the @option{-d} command line switch. This sets the debug_level to "3", outputting
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the most information, including debug messages. The default setting is "2", outputting
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only informational messages, warnings and errors. You can also change this setting
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from within a telnet or gdb session (@option{debug_level <n>}).
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You can redirect all output from the daemon to a file using the @option{-l <logfile>} switch.
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Search paths for config/script files can be added to openocd by using
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the @option{-s <search>} switch.
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@node Configuration
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@chapter Configuration
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@cindex configuration
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The Open On-Chip Debugger (OpenOCD) runs as a daemon, and reads it current configuration
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by default from the file openocd.cfg in the current directory. A different configuration
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file can be specified with the @option{-f <conf.file>} given at the openocd command line.
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The configuration file is used to specify on which ports the daemon listens for new
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connections, the JTAG interface used to connect to the target, the layout of the JTAG
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chain, the targets that should be debugged, and connected flashes.
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@section Daemon configuration
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@itemize @bullet
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@item @b{telnet_port} <@var{number}>
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@cindex telnet_port
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Port on which to listen for incoming telnet connections
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@item @b{gdb_port} <@var{number}>
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@cindex gdb_port
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First port on which to listen for incoming GDB connections. The GDB port for the
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first target will be gdb_port, the second target will listen on gdb_port + 1, and so on.
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@item @b{gdb_detach} <@var{resume|reset|halt|nothing}>
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@cindex gdb_detach
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Configures what openocd will do when gdb detaches from the daeman.
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Default behaviour is <@var{resume}>
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@item @b{gdb_memory_map} <@var{enable|disable}>
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@cindex gdb_memory_map
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Set to <@var{enable}> so that openocd will send the memory configuration to gdb when
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requested. gdb will then know when to set hardware breakpoints, and program flash
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using the gdb load command. @option{gdb_flash_program enable} will also need enabling
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for flash programming to work.
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Default behaviour is <@var{disable}>
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@item @b{gdb_flash_program} <@var{enable|disable}>
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@cindex gdb_flash_program
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Set to <@var{enable}> so that openocd will program the flash memory when a
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vFlash packet is received.
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Default behaviour is <@var{disable}>
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@item @b{daemon_startup} <@var{mode}> either @samp{attach} or @samp{reset}
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@cindex daemon_startup
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Tells the OpenOCD whether it should reset the target when the daemon is launched, or
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if it should just attach to the target.
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@end itemize
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@section JTAG interface configuration
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@itemize @bullet
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@item @b{interface} <@var{name}>
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@cindex interface
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Use the interface driver <@var{name}> to connect to the target. Currently supported
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interfaces are
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@itemize @minus
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@item parport
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PC parallel port bit-banging (Wigglers, PLD download cable, ...)
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@end itemize
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@itemize @minus
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@item amt_jtagaccel
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Amontec Chameleon in its JTAG Accelerator configuration connected to a PC's EPP
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mode parallel port
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@end itemize
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@itemize @minus
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@item ft2232
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FTDI FT2232 based devices using either the open-source libftdi or the binary only
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FTD2XX driver. The FTD2XX is superior in performance, but not available on every
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platform. The libftdi uses libusb, and should be portable to all systems that provide
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libusb.
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@end itemize
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@itemize @minus
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@item ep93xx
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Cirrus Logic EP93xx based single-board computer bit-banging (in development)
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@end itemize
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@end itemize
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@itemize @bullet
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@item @b{jtag_speed} <@var{number}>
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@cindex jtag_speed
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Limit the maximum speed of the JTAG interface. Usually, a value of zero means maximum
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speed. The actual effect of this option depends on the JTAG interface used.
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@itemize @minus
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@item wiggler: maximum speed / @var{number}
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@item ft2232: 6MHz / (@var{number}+1)
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@item amt jtagaccel: 8 / 2**@var{number}
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@end itemize
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Note: Make sure the jtag clock is no more than @math{1/6th <20> CPU-Clock}. This is
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especially true for synthesized cores (-S).
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@item @b{reset_config} <@var{signals}> [@var{combination}] [@var{trst_type}] [@var{srst_type}]
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@cindex reset_config
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The configuration of the reset signals available on the JTAG interface AND the target.
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If the JTAG interface provides SRST, but the target doesn't connect that signal properly,
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then OpenOCD can't use it. <@var{signals}> can be @samp{none}, @samp{trst_only},
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@samp{srst_only} or @samp{trst_and_srst}.
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[@var{combination}] is an optional value specifying broken reset signal implementations.
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@samp{srst_pulls_trst} states that the testlogic is reset together with the reset of
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the system (e.g. Philips LPC2000, "broken" board layout), @samp{trst_pulls_srst} says
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that the system is reset together with the test logic (only hypothetical, I haven't
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seen hardware with such a bug, and can be worked around).
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The [@var{trst_type}] and [@var{srst_type}] parameters allow the driver type of the
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|
|
|
|
reset lines to be specified. Possible values are @samp{trst_push_pull} (default)
|
|
|
|
|
and @samp{trst_open_drain} for the test reset signal, and @samp{srst_open_drain}
|
|
|
|
|
(default) and @samp{srst_push_pull} for the system reset. These values only affect
|
|
|
|
|
JTAG interfaces with support for different drivers, like the Amontec JTAGkey and JTAGAccelerator.
|
|
|
|
|
|
|
|
|
|
@item @b{jtag_device} <@var{IR length}> <@var{IR capture}> <@var{IR mask}> <@var{IDCODE instruction}>
|
|
|
|
|
@cindex jtag_device
|
|
|
|
|
Describes the devices that form the JTAG daisy chain, with the first device being
|
|
|
|
|
the one closest to TDO. The parameters are the length of the instruction register
|
|
|
|
|
(4 for all ARM7/9s), the value captured during Capture-IR (0x1 for ARM7/9), and a mask
|
|
|
|
|
of bits that should be validated when doing IR scans (all four bits (0xf) for ARM7/9).
|
|
|
|
|
The IDCODE instruction will in future be used to query devices for their JTAG
|
|
|
|
|
identification code. This line is the same for all ARM7 and ARM9 devices.
|
|
|
|
|
Other devices, like CPLDs, require different parameters. An example configuration
|
|
|
|
|
line for a Xilinx XC9500 CPLD would look like this:
|
|
|
|
|
@smallexample
|
|
|
|
|
jtag_device 8 0x01 0x0e3 0xfe
|
|
|
|
|
@end smallexample
|
|
|
|
|
The instruction register (IR) is 8 bits long, during Capture-IR 0x01 is loaded into
|
|
|
|
|
the IR, but only bits 0-1 and 5-7 should be checked, the others (2-4) might vary.
|
|
|
|
|
The IDCODE instruction is 0xfe.
|
|
|
|
|
|
|
|
|
|
@item @b{jtag_nsrst_delay} <@var{ms}>
|
|
|
|
|
@cindex jtag_nsrst_delay
|
|
|
|
|
How long (in miliseconds) the OpenOCD should wait after deasserting nSRST before
|
|
|
|
|
starting new JTAG operations.
|
|
|
|
|
@item @b{jtag_ntrst_delay} <@var{ms}>
|
|
|
|
|
@cindex jtag_ntrst_delay
|
|
|
|
|
How long (in miliseconds) the OpenOCD should wait after deasserting nTRST before
|
|
|
|
|
starting new JTAG operations.
|
|
|
|
|
|
|
|
|
|
The jtag_n[st]rst_delay options are useful if reset circuitry (like a reset supervisor,
|
|
|
|
|
or on-chip features) keep a reset line asserted for some time after the external reset
|
|
|
|
|
got deasserted.
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@section parport options
|
|
|
|
|
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{parport_port} <@var{number}>
|
|
|
|
|
@cindex parport_port
|
|
|
|
|
Either the address of the I/O port (default: 0x378 for LPT1) or the number of
|
|
|
|
|
the @file{/dev/parport} device
|
|
|
|
|
|
|
|
|
|
When using PPDEV to access the parallel port, use the number of the parallel port:
|
|
|
|
|
@option{parport_port 0} (the default). If @option{parport_port 0x378} is specified
|
|
|
|
|
you may encounter a problem.
|
|
|
|
|
@item @b{parport_cable} <@var{name}>
|
|
|
|
|
@cindex parport_cable
|
|
|
|
|
The layout of the parallel port cable used to connect to the target.
|
|
|
|
|
Currently supported cables are
|
|
|
|
|
@itemize @minus
|
|
|
|
|
@item wiggler
|
|
|
|
|
@cindex wiggler
|
|
|
|
|
Original Wiggler layout, also supported by several clones, such
|
|
|
|
|
as the Olimex ARM-JTAG
|
|
|
|
|
@item old_amt_wiggler
|
|
|
|
|
@cindex old_amt_wiggler
|
|
|
|
|
The Wiggler configuration that comes with Amontec's Chameleon Programmer. The new
|
|
|
|
|
version available from the website uses the original Wiggler layout ('@var{wiggler}')
|
|
|
|
|
@item chameleon
|
|
|
|
|
@cindex chameleon
|
|
|
|
|
Describes the connection of the Amontec Chameleon's CPLD when operated in
|
|
|
|
|
configuration mode. This is only used to program the Chameleon itself, not
|
|
|
|
|
a connected target.
|
|
|
|
|
@item dlc5
|
|
|
|
|
@cindex dlc5
|
|
|
|
|
Xilinx Parallel cable III.
|
|
|
|
|
@item triton
|
|
|
|
|
@cindex triton
|
|
|
|
|
The parallel port adapter found on the 'Karo Triton 1 Development Board'.
|
|
|
|
|
This is also the layout used by the HollyGates design
|
|
|
|
|
(see @uref{http://www.lartmaker.nl/projects/jtag/}).
|
|
|
|
|
@item flashlink
|
|
|
|
|
@cindex flashlink
|
|
|
|
|
ST Parallel cable.
|
|
|
|
|
@end itemize
|
|
|
|
|
@item @b{parport_write_on_exit} <@var{on|off}>
|
|
|
|
|
@cindex parport_write_on_exit
|
|
|
|
|
This will configure the parallel driver to write a known value to the parallel
|
|
|
|
|
interface on exiting openocd
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@section amt_jtagaccel options
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{parport_port} <@var{number}>
|
|
|
|
|
@cindex parport_port
|
|
|
|
|
Either the address of the I/O port (default: 0x378 for LPT1) or the number of the
|
|
|
|
|
@file{/dev/parport} device
|
|
|
|
|
@end itemize
|
|
|
|
|
@section ft2232 options
|
|
|
|
|
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{ft2232_device_desc} <@var{description}>
|
|
|
|
|
@cindex ft2232_device_desc
|
|
|
|
|
The USB device description of the FTDI FT2232 device. If not specified, the FTDI
|
|
|
|
|
default value is used. This setting is only valid if compiled with FTD2XX support.
|
|
|
|
|
@item @b{ft2232_layout} <@var{name}>
|
|
|
|
|
@cindex ft2232_layout
|
|
|
|
|
The layout of the FT2232 GPIO signals used to control output-enables and reset
|
|
|
|
|
signals. Valid layouts are
|
|
|
|
|
@itemize @minus
|
|
|
|
|
@item usbjtag
|
|
|
|
|
The "USBJTAG-1" layout described in the original OpenOCD diploma thesis
|
|
|
|
|
@item jtagkey
|
|
|
|
|
Amontec JTAGkey and JTAGkey-tiny
|
|
|
|
|
@item signalyzer
|
|
|
|
|
Signalyzer
|
|
|
|
|
@item olimex-jtag
|
|
|
|
|
Olimex ARM-USB-OCD
|
|
|
|
|
@item m5960
|
|
|
|
|
American Microsystems M5960
|
|
|
|
|
@item evb_lm3s811
|
|
|
|
|
Luminary Micro EVB_LM3S811 as a JTAG interface (not onboard processor), no TRST or
|
|
|
|
|
SRST signals on external connector
|
|
|
|
|
@item comstick
|
|
|
|
|
Hitex STR9 comstick
|
|
|
|
|
@item stm32stick
|
|
|
|
|
Hitex STM32 Performance Stick
|
|
|
|
|
@item flyswatter
|
|
|
|
|
Tin Can Tools Flyswatter
|
|
|
|
|
@item turtelizer2
|
|
|
|
|
egnite Software turtelizer2
|
|
|
|
|
@item oocdlink
|
|
|
|
|
OOCDLink
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@item @b{ft2232_vid_pid} <@var{vid}> <@var{pid}>
|
|
|
|
|
The vendor ID and product ID of the FTDI FT2232 device. If not specified, the FTDI
|
|
|
|
|
default values are used. This command is not available on Windows.
|
|
|
|
|
@item @b{ft2232_latency} <@var{ms}>
|
|
|
|
|
On some systems using ft2232 based JTAG interfaces the FT_Read function call in
|
|
|
|
|
ft2232_read() fails to return the expected number of bytes. This can be caused by
|
|
|
|
|
USB communication delays and has proved hard to reproduce and debug. Setting the
|
|
|
|
|
FT2232 latency timer to a larger value increases delays for short USB packages but it
|
|
|
|
|
also reduces the risk of timeouts before receiving the expected number of bytes.
|
|
|
|
|
The OpenOCD default value is 2 and for some systems a value of 10 has proved useful.
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@section ep93xx options
|
|
|
|
|
@cindex ep93xx options
|
|
|
|
|
Currently, there are no options available for the ep93xx interface.
|
|
|
|
|
|
|
|
|
|
@page
|
|
|
|
|
@section Target configuration
|
|
|
|
|
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{target} <@var{type}> <@var{endianess}> <@var{reset_mode}> <@var{JTAG pos}>
|
|
|
|
|
<@var{variant}>
|
|
|
|
|
@cindex target
|
|
|
|
|
Defines a target that should be debugged. Currently supported types are:
|
|
|
|
|
@itemize @minus
|
|
|
|
|
@item arm7tdmi
|
|
|
|
|
@item arm720t
|
|
|
|
|
@item arm9tdmi
|
|
|
|
|
@item arm920t
|
|
|
|
|
@item arm922t
|
|
|
|
|
@item arm926ejs
|
|
|
|
|
@item arm966e
|
|
|
|
|
@item cortex_m3
|
|
|
|
|
@item feroceon
|
|
|
|
|
@item xscale
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
If you want to use a target board that is not on this list, see Adding a new
|
|
|
|
|
target board
|
|
|
|
|
|
|
|
|
|
Endianess may be @option{little} or @option{big}.
|
|
|
|
|
|
|
|
|
|
The reset_mode specifies what should happen to the target when a reset occurs:
|
|
|
|
|
@itemize @minus
|
|
|
|
|
@item reset_halt
|
|
|
|
|
@cindex reset_halt
|
|
|
|
|
Immediately request a target halt after reset. This allows targets to be debugged
|
|
|
|
|
from the very first instruction. This is only possible with targets and JTAG
|
|
|
|
|
interfaces that correctly implement the reset signals.
|
|
|
|
|
@item reset_init
|
|
|
|
|
@cindex reset_init
|
|
|
|
|
Similar to @option{reset_halt}, but executes the script file defined to handle the
|
|
|
|
|
'reset' event for the target. Like @option{reset_halt} this only works with
|
|
|
|
|
correct reset implementations.
|
|
|
|
|
@item reset_run
|
|
|
|
|
@cindex reset_run
|
|
|
|
|
Simply let the target run after a reset.
|
|
|
|
|
@item run_and_halt
|
|
|
|
|
@cindex run_and_halt
|
|
|
|
|
Let the target run for some time (default: 1s), and then request halt.
|
|
|
|
|
@item run_and_init
|
|
|
|
|
@cindex run_and_init
|
|
|
|
|
A combination of @option{reset_init} and @option{run_and_halt}. The target is allowed
|
|
|
|
|
to run for some time, then halted, and the @option{reset} event script is executed.
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
On JTAG interfaces / targets where system reset and test-logic reset can't be driven
|
|
|
|
|
completely independent (like the LPC2000 series), or where the JTAG interface is
|
|
|
|
|
unavailable for some time during startup (like the STR7 series), you can't use
|
|
|
|
|
@option{reset_halt} or @option{reset_init}.
|
|
|
|
|
|
|
|
|
|
@item @b{target_script} <@var{target#}> <@var{event}> <@var{script_file}>
|
|
|
|
|
@cindex target_script
|
|
|
|
|
Event is either @option{reset}, @option{post_halt}, @option{pre_resume} or @option{gdb_program_config}
|
|
|
|
|
|
|
|
|
|
TODO: describe exact semantic of events
|
|
|
|
|
@item @b{run_and_halt_time} <@var{target#}> <@var{time_in_ms}>
|
|
|
|
|
@cindex run_and_halt_time
|
|
|
|
|
The amount of time the debugger should wait after releasing reset before it asserts
|
|
|
|
|
a debug request. This is used by the @option{run_and_halt} and @option{run_and_init}
|
|
|
|
|
reset modes.
|
|
|
|
|
@item @b{working_area} <@var{target#}> <@var{address}> <@var{size}>
|
|
|
|
|
<@var{backup}|@var{nobackup}>
|
|
|
|
|
@cindex working_area
|
|
|
|
|
Specifies a working area for the debugger to use. This may be used to speed-up
|
|
|
|
|
downloads to target memory and flash operations, or to perform otherwise unavailable
|
|
|
|
|
operations (some coprocessor operations on ARM7/9 systems, for example). The last
|
|
|
|
|
parameter decides whether the memory should be preserved <@var{backup}>. If possible, use
|
|
|
|
|
a working_area that doesn't need to be backed up, as that slows down operation.
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@subsection arm7tdmi options
|
|
|
|
|
@cindex arm7tdmi options
|
|
|
|
|
target arm7tdmi <@var{endianess}> <@var{reset_mode}> <@var{jtag#}>
|
|
|
|
|
The arm7tdmi target definition requires at least one additional argument, specifying
|
|
|
|
|
the position of the target in the JTAG daisy-chain. The first JTAG device is number 0.
|
|
|
|
|
The optional [@var{variant}] parameter has been removed in recent versions.
|
|
|
|
|
The correct feature set is determined at runtime.
|
|
|
|
|
|
|
|
|
|
@subsection arm720t options
|
|
|
|
|
@cindex arm720t options
|
|
|
|
|
ARM720t options are similar to ARM7TDMI options.
|
|
|
|
|
|
|
|
|
|
@subsection arm9tdmi options
|
|
|
|
|
@cindex arm9tdmi options
|
|
|
|
|
ARM9TDMI options are similar to ARM7TDMI options. Supported variants are
|
|
|
|
|
@option{arm920t}, @option{arm922t} and @option{arm940t}.
|
|
|
|
|
This enables the hardware single-stepping support found on these cores.
|
|
|
|
|
|
|
|
|
|
@subsection arm920t options
|
|
|
|
|
@cindex arm920t options
|
|
|
|
|
ARM920t options are similar to ARM9TDMI options.
|
|
|
|
|
|
|
|
|
|
@subsection arm966e options
|
|
|
|
|
@cindex arm966e options
|
|
|
|
|
ARM966e options are similar to ARM9TDMI options.
|
|
|
|
|
|
|
|
|
|
@subsection xscale options
|
|
|
|
|
@cindex xscale options
|
|
|
|
|
Supported variants are @option{ixp42x}, @option{ixp45x}, @option{ixp46x},
|
|
|
|
|
@option{pxa250}, @option{pxa255}, @option{pxa26x}.
|
|
|
|
|
|
|
|
|
|
@section Flash configuration
|
|
|
|
|
@cindex Flash configuration
|
|
|
|
|
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{flash bank} <@var{driver}> <@var{base}> <@var{size}> <@var{chip_width}>
|
|
|
|
|
<@var{bus_width}> <@var{target#}> [@var{driver_options ...}]
|
|
|
|
|
@cindex flash bank
|
|
|
|
|
Configures a flash bank at <@var{base}> of <@var{size}> bytes and <@var{chip_width}>
|
|
|
|
|
and <@var{bus_width}> bytes using the selected flash <driver>.
|
|
|
|
|
|
|
|
|
|
@item @b{flash auto_erase} <@option{on}|@option{off}>
|
|
|
|
|
@cindex flash auto_erase
|
|
|
|
|
auto erase flash banks prior to writing. Currently only works when using
|
|
|
|
|
@option{flash write_image} command. Default is @option{off}.
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@subsection lpc2000 options
|
|
|
|
|
@cindex lpc2000 options
|
|
|
|
|
|
|
|
|
|
@b{flash bank lpc2000} <@var{base}> <@var{size}> 0 0 <@var{target#}> <@var{variant}>
|
|
|
|
|
<@var{clock}> [@var{calc_checksum}]
|
|
|
|
|
LPC flashes don't require the chip and bus width to be specified. Additional
|
|
|
|
|
parameters are the <@var{variant}>, which may be @var{lpc2000_v1} (older LPC21xx and LPC22xx)
|
|
|
|
|
or @var{lpc2000_v2} (LPC213x, LPC214x, LPC210[123], LPC23xx and LPC24xx), the number
|
|
|
|
|
of the target this flash belongs to (first is 0), the frequency at which the core
|
|
|
|
|
is currently running (in kHz - must be an integral number), and the optional keyword
|
|
|
|
|
@var{calc_checksum}, telling the driver to calculate a valid checksum for the exception
|
|
|
|
|
vector table.
|
|
|
|
|
|
|
|
|
|
@subsection cfi options
|
|
|
|
|
@cindex cfi options
|
|
|
|
|
|
|
|
|
|
@b{flash bank cfi} <@var{base}> <@var{size}> <@var{chip_width}> <@var{bus_width}>
|
|
|
|
|
<@var{target#}>
|
|
|
|
|
CFI flashes require the number of the target they're connected to as an additional
|
|
|
|
|
argument. The CFI driver makes use of a working area (specified for the target)
|
|
|
|
|
to significantly speed up operation.
|
|
|
|
|
|
|
|
|
|
@var{chip_width} and @var{bus_width} are specified in bytes.
|
|
|
|
|
|
|
|
|
|
@subsection at91sam7 options
|
|
|
|
|
@cindex at91sam7 options
|
|
|
|
|
|
|
|
|
|
@b{flash bank at91sam7} 0 0 0 0 <@var{target#}>
|
|
|
|
|
AT91SAM7 flashes only require the @var{target#}, all other values are looked up after
|
|
|
|
|
reading the chip-id and type.
|
|
|
|
|
|
|
|
|
|
@subsection str7 options
|
|
|
|
|
@cindex str7 options
|
|
|
|
|
|
|
|
|
|
@b{flash bank str7x} <@var{base}> <@var{size}> 0 0 <@var{target#}> <@var{variant}>
|
|
|
|
|
variant can be either STR71x, STR73x or STR75x.
|
|
|
|
|
|
|
|
|
|
@subsection str9 options
|
|
|
|
|
@cindex str9 options
|
|
|
|
|
|
|
|
|
|
@b{flash bank str9x} <@var{base}> <@var{size}> 0 0 <@var{target#}>
|
|
|
|
|
The str9 needs the flash controller to be configured prior to Flash programming, eg.
|
|
|
|
|
@smallexample
|
|
|
|
|
str9x flash_config 0 4 2 0 0x80000
|
|
|
|
|
@end smallexample
|
|
|
|
|
This will setup the BBSR, NBBSR, BBADR and NBBADR registers respectively.
|
|
|
|
|
|
|
|
|
|
@subsection str9 options (str9xpec driver)
|
|
|
|
|
|
|
|
|
|
@b{flash bank str9xpec} <@var{base}> <@var{size}> 0 0 <@var{target#}>
|
|
|
|
|
Before using the flash commands the turbo mode will need enabling using str9xpec
|
|
|
|
|
@option{enable_turbo} <@var{num>.}
|
|
|
|
|
|
|
|
|
|
Only use this driver for locking/unlocking the device or configuring the option bytes.
|
|
|
|
|
Use the standard str9 driver for programming.
|
|
|
|
|
|
|
|
|
|
@subsection stellaris (LM3Sxxx) options
|
|
|
|
|
@cindex stellaris (LM3Sxxx) options
|
|
|
|
|
|
|
|
|
|
@b{flash bank stellaris} <@var{base}> <@var{size}> 0 0 <@var{target#}>
|
|
|
|
|
stellaris flash plugin only require the @var{target#}.
|
|
|
|
|
|
|
|
|
|
@subsection stm32x options
|
|
|
|
|
@cindex stm32x options
|
|
|
|
|
|
|
|
|
|
@b{flash bank stm32x} <@var{base}> <@var{size}> 0 0 <@var{target#}>
|
|
|
|
|
stm32x flash plugin only require the @var{target#}.
|
|
|
|
|
|
|
|
|
|
@node Commands
|
|
|
|
|
@chapter Commands
|
|
|
|
|
@cindex commands
|
|
|
|
|
|
|
|
|
|
The Open On-Chip Debugger (OpenOCD) allows user interaction through a telnet interface
|
|
|
|
|
(default: port 4444) and a GDB server (default: port 3333). The command line interpreter
|
|
|
|
|
is available from both the telnet interface and a GDB session. To issue commands to the
|
|
|
|
|
interpreter from within a GDB session, use the @option{monitor} command, e.g. use
|
|
|
|
|
@option{monitor poll} to issue the @option{poll} command. All output is relayed through the
|
|
|
|
|
GDB session.
|
|
|
|
|
|
|
|
|
|
@section Daemon
|
|
|
|
|
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{sleep} <@var{msec}>
|
|
|
|
|
@cindex sleep
|
|
|
|
|
Wait for n milliseconds before resuming. Useful in connection with script files
|
|
|
|
|
(@var{script} command and @var{target_script} configuration).
|
|
|
|
|
|
|
|
|
|
@item @b{shutdown}
|
|
|
|
|
@cindex shutdown
|
|
|
|
|
Close the OpenOCD daemon, disconnecting all clients (GDB, Telnet).
|
|
|
|
|
|
|
|
|
|
@item @b{debug_level} [@var{n}]
|
|
|
|
|
@cindex debug_level
|
|
|
|
|
Display or adjust debug level to n<0-3>
|
|
|
|
|
|
|
|
|
|
@item @b{log_output} <@var{file}>
|
|
|
|
|
@cindex log_output
|
|
|
|
|
Redirect logging to <file> (default: stderr)
|
|
|
|
|
|
|
|
|
|
@item @b{script} <@var{file}>
|
|
|
|
|
@cindex script
|
|
|
|
|
Execute commands from <file>
|
|
|
|
|
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@subsection Target state handling
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{poll} [@option{on}|@option{off}]
|
|
|
|
|
@cindex poll
|
|
|
|
|
Poll the target for its current state. If the target is in debug mode, architecture
|
|
|
|
|
specific information about the current state are printed. An optional parameter
|
|
|
|
|
allows continuous polling to be enabled and disabled.
|
|
|
|
|
|
|
|
|
|
@item @b{halt} [@option{ms}]
|
|
|
|
|
@cindex halt
|
|
|
|
|
Send a halt request to the target and waits for it to halt for [@option{ms}].
|
|
|
|
|
Default [@option{ms}] is 5 seconds if no arg given.
|
|
|
|
|
Optional arg @option{ms} is a timeout in milliseconds. Using 0 as the [@option{ms}]
|
|
|
|
|
will stop openocd from waiting.
|
|
|
|
|
|
|
|
|
|
@item @b{wait_halt} [@option{ms}]
|
|
|
|
|
@cindex wait_halt
|
|
|
|
|
Wait for the target to enter debug mode. Optional [@option{ms}] is
|
|
|
|
|
a timeout in milliseconds. Default [@option{ms}] is 5 seconds if no
|
|
|
|
|
arg given.
|
|
|
|
|
|
|
|
|
|
@item @b{resume} [@var{address}]
|
|
|
|
|
@cindex resume
|
|
|
|
|
Resume the target at its current code position, or at an optional address.
|
|
|
|
|
Openocd will wait 5 seconds for the target to resume.
|
|
|
|
|
|
|
|
|
|
@item @b{step} [@var{address}]
|
|
|
|
|
@cindex step
|
|
|
|
|
Single-step the target at its current code position, or at an optional address.
|
|
|
|
|
|
|
|
|
|
@item @b{reset} [@option{run}|@option{halt}|@option{init}|@option{run_and_halt}
|
|
|
|
|
|@option{run_and_init}]
|
|
|
|
|
@cindex reset
|
|
|
|
|
Do a hard-reset. The optional parameter specifies what should happen after the reset.
|
|
|
|
|
This optional parameter overwrites the setting specified in the configuration file,
|
|
|
|
|
making the new behaviour the default for the @option{reset} command.
|
|
|
|
|
@itemize @minus
|
|
|
|
|
@item run
|
|
|
|
|
@cindex reset run
|
|
|
|
|
Let the target run.
|
|
|
|
|
@item halt
|
|
|
|
|
@cindex reset halt
|
|
|
|
|
Immediately halt the target (works only with certain configurations).
|
|
|
|
|
@item init
|
|
|
|
|
@cindex reset init
|
|
|
|
|
Immediately halt the target, and execute the reset script (works only with certain
|
|
|
|
|
configurations)
|
|
|
|
|
@item run_and_halt
|
|
|
|
|
@cindex reset run_and_halt
|
|
|
|
|
Let the target run for a certain amount of time, then request a halt.
|
|
|
|
|
@item run_and_init
|
|
|
|
|
@cindex reset run_and_init
|
|
|
|
|
Let the target run for a certain amount of time, then request a halt. Execute the
|
|
|
|
|
reset script once the target entered debug mode.
|
|
|
|
|
@end itemize
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@subsection Memory access commands
|
|
|
|
|
These commands allow accesses of a specific size to the memory system:
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{mdw} <@var{addr}> [@var{count}]
|
|
|
|
|
@cindex mdw
|
|
|
|
|
display memory words
|
|
|
|
|
@item @b{mdh} <@var{addr}> [@var{count}]
|
|
|
|
|
@cindex mdh
|
|
|
|
|
display memory half-words
|
|
|
|
|
@item @b{mdb} <@var{addr}> [@var{count}]
|
|
|
|
|
@cindex mdb
|
|
|
|
|
display memory bytes
|
|
|
|
|
@item @b{mww} <@var{addr}> <@var{value}>
|
|
|
|
|
@cindex mww
|
|
|
|
|
write memory word
|
|
|
|
|
@item @b{mwh} <@var{addr}> <@var{value}>
|
|
|
|
|
@cindex mwh
|
|
|
|
|
write memory half-word
|
|
|
|
|
@item @b{mwb} <@var{addr}> <@var{value}>
|
|
|
|
|
@cindex mwb
|
|
|
|
|
write memory byte
|
|
|
|
|
|
|
|
|
|
@item @b{load_image} <@var{file}> <@var{address}> [@option{bin}|@option{ihex}|@option{elf}]
|
|
|
|
|
@cindex load_image
|
|
|
|
|
Load image <@var{file}> to target memory at <@var{address}>
|
|
|
|
|
@item @b{dump_image} <@var{file}> <@var{address}> <@var{size}>
|
|
|
|
|
@cindex dump_image
|
|
|
|
|
Dump <@var{size}> bytes of target memory starting at <@var{address}> to a
|
|
|
|
|
(binary) <@var{file}>.
|
|
|
|
|
@item @b{verify_image} <@var{file}> <@var{address}> [@option{bin}|@option{ihex}|@option{elf}]
|
|
|
|
|
@cindex verify_image
|
|
|
|
|
Verify <@var{file}> to target memory starting at <@var{address}>.
|
|
|
|
|
This will first attempt using a crc checksum, if this fails it will try a binary compare.
|
|
|
|
|
@item @b{load_binary} <@var{file}> <@var{address}> [DEPRECATED]
|
|
|
|
|
@cindex load_binary
|
|
|
|
|
Load binary <@var{file}> to target memory at <@var{address}>
|
|
|
|
|
@item @b{dump_binary} <@var{file}> <@var{address}> <@var{size}> [DEPRECATED]
|
|
|
|
|
@cindex dump_binary
|
|
|
|
|
Dump <@var{size}> bytes of target memory starting at <@var{address}> to a
|
|
|
|
|
(binary) <@var{file}>.
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@subsection Flash commands
|
|
|
|
|
@cindex Flash commands
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{flash banks}
|
|
|
|
|
@cindex flash banks
|
|
|
|
|
List configured flash banks
|
|
|
|
|
@item @b{flash info} <@var{num}>
|
|
|
|
|
@cindex flash info
|
|
|
|
|
Print info about flash bank <@option{num}>
|
|
|
|
|
@item @b{flash probe} <@var{num}>
|
|
|
|
|
@cindex flash probe
|
|
|
|
|
Identify the flash, or validate the parameters of the configured flash. Operation
|
|
|
|
|
depends on the flash type.
|
|
|
|
|
@item @b{flash erase_check} <@var{num}>
|
|
|
|
|
@cindex flash erase_check
|
|
|
|
|
Check erase state of sectors in flash bank <@var{num}>. This is the only operation that
|
|
|
|
|
updates the erase state information displayed by @option{flash info}. That means you have
|
|
|
|
|
to issue an @option{erase_check} command after erasing or programming the device to get
|
|
|
|
|
updated information.
|
|
|
|
|
@item @b{flash protect_check} <@var{num}>
|
|
|
|
|
@cindex flash protect_check
|
|
|
|
|
Check protection state of sectors in flash bank <num>.
|
|
|
|
|
|
|
|
|
|
@item @b{flash erase} <@var{num}> <@var{first}> <@var{last}> [DEPRECATED]
|
|
|
|
|
@cindex flash erase
|
|
|
|
|
Erase sectors at bank <@var{num}>, starting at sector <@var{first}> up to and including
|
|
|
|
|
<@var{last}>. Sector numbering starts at 0. Depending on the flash type, erasing might
|
|
|
|
|
require the protection to be disabled first (e.g. Intel Advanced Bootblock flash using
|
|
|
|
|
the CFI driver). This command was replaced by the new command
|
|
|
|
|
@option{flash erase_sector} using the same syntax.
|
|
|
|
|
@item @b{flash erase_sector} <@var{num}> <@var{first}> <@var{last}>
|
|
|
|
|
@cindex flash erase_sector
|
|
|
|
|
Erase sectors at bank <@var{num}>, starting at sector <@var{first}> up to and including
|
|
|
|
|
<@var{last}>. Sector numbering starts at 0. Depending on the flash type, erasing might
|
|
|
|
|
require the protection to be disabled first (e.g. Intel Advanced Bootblock flash using
|
|
|
|
|
the CFI driver).
|
|
|
|
|
@item @b{flash erase_address} <@var{address}> <@var{length}>
|
|
|
|
|
@cindex flash erase_address
|
|
|
|
|
Erase sectors starting at <@var{address}> for <@var{length}> number of bytes
|
|
|
|
|
@item @b{flash write} <@var{num}> <@var{file}> <@var{offset}> [DEPRECATED]
|
|
|
|
|
@cindex flash write
|
|
|
|
|
Write the binary <@var{file}> to flash bank <@var{num}>, starting at <@var{offset}>
|
|
|
|
|
bytes from the beginning of the bank. This command was replaced by the new command
|
|
|
|
|
@option{flash write_binary} using the same syntax.
|
|
|
|
|
@item @b{flash write_binary} <@var{num}> <@var{file}> <@var{offset}>
|
|
|
|
|
@cindex flash write_binary
|
|
|
|
|
Write the binary <@var{file}> to flash bank <@var{num}>, starting at
|
|
|
|
|
<@option{offset}> bytes from the beginning of the bank.
|
|
|
|
|
@item @b{flash write_image} <@var{file}> [@var{offset}] [@var{type}]
|
|
|
|
|
@cindex flash write_image
|
|
|
|
|
Write the image <@var{file}> to the current target's flash bank(s). A relocation
|
|
|
|
|
[@var{offset}] can be specified and the file [@var{type}] can be specified
|
|
|
|
|
explicitly as @option{bin} (binary), @option{ihex} (Intel hex), @option{elf}
|
|
|
|
|
(ELF file) or @option{s19} (Motorola s19).
|
|
|
|
|
@item @b{flash protect} <@var{num}> <@var{first}> <@var{last}> <@option{on}|@option{off}>
|
|
|
|
|
@cindex flash protect
|
|
|
|
|
Enable (@var{on}) or disable (@var{off}) protection of flash sectors <@var{first}> to
|
|
|
|
|
<@var{last}> of @option{flash bank} <@var{num}>.
|
|
|
|
|
@item @b{flash auto_erase} <@var{on}|@var{off}>
|
|
|
|
|
@cindex flash auto_erase
|
|
|
|
|
Enable (@option{on}) to erase flash banks prior to writing using the flash @option{write_image} command
|
|
|
|
|
only. Default is (@option{off}), flash banks have to be erased using @option{flash erase} command.
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@page
|
|
|
|
|
@section Target Specific Commands
|
|
|
|
|
@cindex Target Specific Commands
|
|
|
|
|
|
|
|
|
|
@subsection AT91SAM7 specific commands
|
|
|
|
|
@cindex AT91SAM7 specific commands
|
|
|
|
|
The flash configuration is deduced from the chip identification register. The flash
|
|
|
|
|
controller handles erases automatically on a page (128/265 byte) basis so erase is
|
|
|
|
|
not necessary for flash programming. AT91SAM7 processors with less than 512K flash
|
|
|
|
|
only have a single flash bank embedded on chip. AT91SAM7xx512 have two flash planes
|
|
|
|
|
that can be erased separatly.Only an EraseAll command is supported by the controller
|
|
|
|
|
for each flash plane and this is called with
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{flash erase} <@var{num}> @var{first_plane} @var{last_plane}
|
|
|
|
|
bulk erase flash planes first_plane to last_plane.
|
|
|
|
|
@item @b{at91sam7 gpnvm} <@var{num}> <@var{bit}> <@option{set}|@option{clear}>
|
|
|
|
|
@cindex at91sam7 gpnvm
|
|
|
|
|
set or clear a gpnvm bit for the processor
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@subsection STR9 specific commands
|
|
|
|
|
@cindex STR9 specific commands
|
|
|
|
|
These are flash specific commands when using the str9xpec driver.
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{str9xpec enable_turbo} <@var{num}>
|
|
|
|
|
@cindex str9xpec enable_turbo
|
|
|
|
|
enable turbo mode, simply this will remove the str9 from the chain and talk
|
|
|
|
|
directly to the embedded flash controller.
|
|
|
|
|
@item @b{str9xpec disable_turbo} <@var{num}>
|
|
|
|
|
@cindex str9xpec disable_turbo
|
|
|
|
|
restore the str9 into jtag chain.
|
|
|
|
|
@item @b{str9xpec lock} <@var{num}>
|
|
|
|
|
@cindex str9xpec lock
|
|
|
|
|
lock str9 device. The str9 will only respond to an unlock command that will
|
|
|
|
|
erase the device.
|
|
|
|
|
@item @b{str9xpec unlock} <@var{num}>
|
|
|
|
|
@cindex str9xpec unlock
|
|
|
|
|
unlock str9 device.
|
|
|
|
|
@item @b{str9xpec options_read} <@var{num}>
|
|
|
|
|
@cindex str9xpec options_read
|
|
|
|
|
read str9 option bytes.
|
|
|
|
|
@item @b{str9xpec options_write} <@var{num}>
|
|
|
|
|
@cindex str9xpec options_write
|
|
|
|
|
write str9 option bytes.
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@subsection STR9 configuration
|
|
|
|
|
@cindex STR9 configuration
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{str9x flash_config} <@var{bank}> <@var{BBSR}> <@var{NBBSR}>
|
|
|
|
|
<@var{BBADR}> <@var{NBBADR}>
|
|
|
|
|
@cindex str9x flash_config
|
|
|
|
|
Configure str9 flash controller.
|
|
|
|
|
@smallexample
|
|
|
|
|
eg. str9x flash_config 0 4 2 0 0x80000
|
|
|
|
|
This will setup
|
|
|
|
|
BBSR - Boot Bank Size register
|
|
|
|
|
NBBSR - Non Boot Bank Size register
|
|
|
|
|
BBADR - Boot Bank Start Address register
|
|
|
|
|
NBBADR - Boot Bank Start Address register
|
|
|
|
|
@end smallexample
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@subsection STR9 option byte configuration
|
|
|
|
|
@cindex STR9 option byte configuration
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{str9xpec options_cmap} <@var{num}> <@option{bank0}|@option{bank1}>
|
|
|
|
|
@cindex str9xpec options_cmap
|
|
|
|
|
configure str9 boot bank.
|
|
|
|
|
@item @b{str9xpec options_lvdthd} <@var{num}> <@option{2.4v}|@option{2.7v}>
|
|
|
|
|
@cindex str9xpec options_lvdthd
|
|
|
|
|
configure str9 lvd threshold.
|
|
|
|
|
@item @b{str9xpec options_lvdsel} <@var{num}> <@option{vdd}|@option{vdd_vddq}>
|
|
|
|
|
@cindex str9xpec options_lvdsel
|
|
|
|
|
configure str9 lvd source.
|
|
|
|
|
@item @b{str9xpec options_lvdwarn} <@var{bank}> <@option{vdd}|@option{vdd_vddq}>
|
|
|
|
|
@cindex str9xpec options_lvdwarn
|
|
|
|
|
configure str9 lvd reset warning source.
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@subsection STM32x specific commands
|
|
|
|
|
@cindex STM32x specific commands
|
|
|
|
|
|
|
|
|
|
These are flash specific commands when using the stm32x driver.
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{stm32x lock} <@var{num}>
|
|
|
|
|
@cindex stm32x lock
|
|
|
|
|
lock stm32 device.
|
|
|
|
|
@item @b{stm32x unlock} <@var{num}>
|
|
|
|
|
@cindex stm32x unlock
|
|
|
|
|
unlock stm32 device.
|
|
|
|
|
@item @b{stm32x options_read} <@var{num}>
|
|
|
|
|
@cindex stm32x options_read
|
|
|
|
|
read stm32 option bytes.
|
|
|
|
|
@item @b{stm32x options_write} <@var{num}> <@option{SWWDG}|@option{HWWDG}>
|
|
|
|
|
<@option{RSTSTNDBY}|@option{NORSTSTNDBY}> <@option{RSTSTOP}|@option{NORSTSTOP}>
|
|
|
|
|
@cindex stm32x options_write
|
|
|
|
|
write stm32 option bytes.
|
|
|
|
|
@item @b{stm32x mass_erase} <@var{num}>
|
|
|
|
|
@cindex stm32x mass_erase
|
|
|
|
|
mass erase flash memory.
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@page
|
|
|
|
|
@section Architecture Specific Commands
|
|
|
|
|
@cindex Architecture Specific Commands
|
|
|
|
|
|
|
|
|
|
@subsection ARMV4/5 specific commands
|
|
|
|
|
@cindex ARMV4/5 specific commands
|
|
|
|
|
|
|
|
|
|
These commands are specific to ARM architecture v4 and v5, like all ARM7/9 systems
|
|
|
|
|
or Intel XScale (XScale isn't supported yet).
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{armv4_5 reg}
|
|
|
|
|
@cindex armv4_5 reg
|
|
|
|
|
Display a list of all banked core registers, fetching the current value from every
|
|
|
|
|
core mode if necessary. OpenOCD versions before rev. 60 didn't fetch the current
|
|
|
|
|
register value.
|
|
|
|
|
@item @b{armv4_5 core_mode} [@option{arm}|@option{thumb}]
|
|
|
|
|
@cindex armv4_5 core_mode
|
|
|
|
|
Displays the core_mode, optionally changing it to either ARM or Thumb mode.
|
|
|
|
|
The target is resumed in the currently set @option{core_mode}.
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@subsection ARM7/9 specific commands
|
|
|
|
|
@cindex ARM7/9 specific commands
|
|
|
|
|
|
|
|
|
|
These commands are specific to ARM7 and ARM9 targets, like ARM7TDMI, ARM720t,
|
|
|
|
|
ARM920t or ARM926EJ-S.
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{arm7_9 sw_bkpts} <@option{enable}|@option{disable}>
|
|
|
|
|
@cindex arm7_9 sw_bkpts
|
|
|
|
|
Enable/disable use of software breakpoints. On ARMv4 systems, this reserves
|
|
|
|
|
one of the watchpoint registers to implement software breakpoints. Disabling
|
|
|
|
|
SW Bkpts frees that register again.
|
|
|
|
|
@item @b{arm7_9 force_hw_bkpts} <@option{enable}|@option{disable}>
|
|
|
|
|
@cindex arm7_9 force_hw_bkpts
|
|
|
|
|
When @option{force_hw_bkpts} is enabled, the @option{sw_bkpts} support is disabled, and all
|
|
|
|
|
breakpoints are turned into hardware breakpoints.
|
|
|
|
|
@item @b{arm7_9 dbgrq} <@option{enable}|@option{disable}>
|
|
|
|
|
@cindex arm7_9 dbgrq
|
|
|
|
|
Enable use of the DBGRQ bit to force entry into debug mode. This should be
|
|
|
|
|
safe for all but ARM7TDMI--S cores (like Philips LPC).
|
|
|
|
|
@item @b{arm7_9 fast_writes} <@option{enable}|@option{disable}>
|
|
|
|
|
@cindex arm7_9 fast_writes [DEPRECATED]
|
|
|
|
|
See @option{arm7_9 fast_memory_access} instead.
|
|
|
|
|
@item @b{arm7_9 fast_memory_access} <@option{enable}|@option{disable}>
|
|
|
|
|
@cindex arm7_9 fast_memory_access
|
|
|
|
|
Allow the OpenOCD to read and write memory without checking completion of
|
|
|
|
|
the operation. This provides a huge speed increase, especially with USB JTAG
|
|
|
|
|
cables (FT2232), but might be unsafe if used with targets running at a very low
|
|
|
|
|
speed, like the 32kHz startup clock of an AT91RM9200.
|
|
|
|
|
@item @b{arm7_9 dcc_downloads} <@option{enable}|@option{disable}>
|
|
|
|
|
@cindex arm7_9 dcc_downloads
|
|
|
|
|
Enable the use of the debug communications channel (DCC) to write larger (>128 byte)
|
|
|
|
|
amounts of memory. DCC downloads offer a huge speed increase, but might be potentially
|
|
|
|
|
unsafe, especially with targets running at a very low speed. This command was introduced
|
|
|
|
|
with OpenOCD rev. 60.
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@subsection ARM920T specific commands
|
|
|
|
|
@cindex ARM920T specific commands
|
|
|
|
|
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{arm920t cache_info}
|
|
|
|
|
@cindex arm920t cache_info
|
|
|
|
|
Print information about the caches found. This allows you to see if your target
|
|
|
|
|
is a ARM920T (2x16kByte cache) or ARM922T (2x8kByte cache).
|
|
|
|
|
@item @b{arm920t md<bhw>_phys} <@var{addr}> [@var{count}]
|
|
|
|
|
@cindex arm920t md<bhw>_phys
|
|
|
|
|
Display memory at physical address addr.
|
|
|
|
|
@item @b{arm920t mw<bhw>_phys} <@var{addr}> <@var{value}>
|
|
|
|
|
@cindex arm920t mw<bhw>_phys
|
|
|
|
|
Write memory at physical address addr.
|
|
|
|
|
@item @b{arm920t read_cache} <@var{filename}>
|
|
|
|
|
@cindex arm920t read_cache
|
|
|
|
|
Dump the content of ICache and DCache to a file.
|
|
|
|
|
@item @b{arm920t read_mmu} <@var{filename}>
|
|
|
|
|
@cindex arm920t read_mmu
|
|
|
|
|
Dump the content of the ITLB and DTLB to a file.
|
|
|
|
|
@item @b{arm920t virt2phys} <@var{VA}>
|
|
|
|
|
@cindex arm920t virt2phys
|
|
|
|
|
Translate a virtual address to a physical address.
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@page
|
|
|
|
|
@section Debug commands
|
|
|
|
|
@cindex Debug commands
|
|
|
|
|
The following commands give direct access to the core, and are most likely
|
|
|
|
|
only useful while debugging the OpenOCD.
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{arm7_9 write_xpsr} <@var{32-bit value}> <@option{0=cpsr}, @option{1=spsr}>
|
|
|
|
|
@cindex arm7_9 write_xpsr
|
|
|
|
|
Immediately write either the current program status register (CPSR) or the saved
|
|
|
|
|
program status register (SPSR), without changing the register cache (as displayed
|
|
|
|
|
by the @option{reg} and @option{armv4_5 reg} commands).
|
|
|
|
|
@item @b{arm7_9 write_xpsr_im8} <@var{8-bit value}> <@var{rotate 4-bit}>
|
|
|
|
|
<@var{0=cpsr},@var{1=spsr}>
|
|
|
|
|
@cindex arm7_9 write_xpsr_im8
|
|
|
|
|
Write the 8-bit value rotated right by 2*rotate bits, using an immediate write
|
|
|
|
|
operation (similar to @option{write_xpsr}).
|
|
|
|
|
@item @b{arm7_9 write_core_reg} <@var{num}> <@var{mode}> <@var{value}>
|
|
|
|
|
@cindex arm7_9 write_core_reg
|
|
|
|
|
Write a core register, without changing the register cache (as displayed by the
|
|
|
|
|
@option{reg} and @option{armv4_5 reg} commands). The <@var{mode}> argument takes the
|
|
|
|
|
encoding of the [M4:M0] bits of the PSR.
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@page
|
|
|
|
|
@section JTAG commands
|
|
|
|
|
@cindex JTAG commands
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item @b{scan_chain}
|
|
|
|
|
@cindex scan_chain
|
|
|
|
|
Print current scan chain configuration.
|
|
|
|
|
@item @b{jtag_reset}
|
|
|
|
|
@cindex jtag_reset
|
|
|
|
|
Toggle reset lines <@var{trst}> <@var{srst}>.
|
|
|
|
|
@item @b{endstate} <@var{tap_state}>
|
|
|
|
|
@cindex endstate
|
|
|
|
|
Finish JTAG operations in <@var{tap_state}>.
|
|
|
|
|
@item @b{runtest} <@var{num_cycles}>
|
|
|
|
|
@cindex runtest
|
|
|
|
|
Move to Run-Test/Idle, and execute <@var{num_cycles}>
|
|
|
|
|
@item @b{statemove} [@var{tap_state}]
|
|
|
|
|
@cindex statemove
|
|
|
|
|
Move to current endstate or [@var{tap_state}]
|
|
|
|
|
@item @b{irscan}
|
|
|
|
|
@cindex irscan
|
|
|
|
|
Execute IR scan <@var{device}> <@var{instr}> [@var{dev2}] [@var{instr2}] ...
|
|
|
|
|
@item @b{drscan}
|
|
|
|
|
@cindex drscan
|
|
|
|
|
Execute DR scan <@var{device}> [@var{dev2}] [@var{var2}] ...
|
|
|
|
|
@item @b{verify_ircapture}
|
|
|
|
|
@cindex verify_ircapture
|
|
|
|
|
Verify value captured during Capture-IR <@option{enable}|@option{disable}>
|
|
|
|
|
@item @b{var}
|
|
|
|
|
@cindex var
|
|
|
|
|
Allocate, display or delete variable <@var{name}> [@var{num_fields}|@var{del}] [@var{size1}] ...
|
|
|
|
|
@item @b{field}
|
|
|
|
|
@cindex field
|
|
|
|
|
Display/modify variable field <@var{var}> <@var{field}> [@var{value}|@var{flip}]
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
@node Sample Scripts
|
|
|
|
|
@chapter Sample Scripts
|
|
|
|
|
@cindex scripts
|
|
|
|
|
|
|
|
|
|
This page will collect some script examples for different CPUs.
|
|
|
|
|
|
|
|
|
|
The configuration script can be divided in the following section:
|
|
|
|
|
@itemize @bullet
|
|
|
|
|
@item daemon configuration
|
|
|
|
|
@item interface
|
|
|
|
|
@item jtag scan chain
|
|
|
|
|
@item target configuration
|
|
|
|
|
@item flash configuration
|
|
|
|
|
@end itemize
|
|
|
|
|
|
|
|
|
|
Detailed information about each section can be found at OpenOCD configuration
|
|
|
|
|
|
|
|
|
|
@section OMAP5912 Flash Debug
|
|
|
|
|
@cindex OMAP5912 Flash Debug
|
|
|
|
|
The following two scripts were used with a wiggler PP and and a TI OMAP5912
|
|
|
|
|
dual core processor - (@uref{http://www.ti.com}), on a OMAP5912 OSK board
|
|
|
|
|
- (@uref{http://www.spectrumdigital.com}).
|
|
|
|
|
@subsection Openocd config
|
|
|
|
|
@smallexample
|
|
|
|
|
#daemon configuration
|
|
|
|
|
telnet_port 4444
|
|
|
|
|
gdb_port 3333
|
|
|
|
|
|
|
|
|
|
#interface
|
|
|
|
|
interface parport
|
|
|
|
|
parport_port 0x378
|
|
|
|
|
parport_cable wiggler
|
|
|
|
|
jtag_speed 0
|
|
|
|
|
|
|
|
|
|
#use combined on interfaces or targets that can't set TRST/SRST separately
|
|
|
|
|
reset_config trst_and_srst
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 38 0x0 0x0 0x0
|
|
|
|
|
jtag_device 4 0x1 0x0 0xe
|
|
|
|
|
jtag_device 8 0x0 0x0 0x0
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup reset
|
|
|
|
|
|
|
|
|
|
#target <type> <endianness> <reset mode> <chainpos> <variant>
|
|
|
|
|
target arm926ejs little run_and_init 1 arm926ejs
|
|
|
|
|
target_script 0 reset omap5912_osk.init
|
|
|
|
|
run_and_halt_time 0 30
|
|
|
|
|
|
|
|
|
|
# omap5912 lcd frame buffer as working area
|
|
|
|
|
working_area 0 0x20000000 0x3e800 nobackup
|
|
|
|
|
|
|
|
|
|
#flash bank <driver> <base> <size> <chip_width> <bus_width>
|
|
|
|
|
flash bank cfi 0x00000000 0x1000000 2 2 0
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@subsection Openocd init
|
|
|
|
|
@smallexample
|
|
|
|
|
#
|
|
|
|
|
# halt target
|
|
|
|
|
#
|
|
|
|
|
poll
|
|
|
|
|
sleep 1
|
|
|
|
|
halt
|
|
|
|
|
wait_halt
|
|
|
|
|
#
|
|
|
|
|
# disable wdt
|
|
|
|
|
#
|
|
|
|
|
mww 0xfffec808 0x000000f5
|
|
|
|
|
mww 0xfffec808 0x000000a0
|
|
|
|
|
|
|
|
|
|
mww 0xfffeb048 0x0000aaaa
|
|
|
|
|
sleep 500
|
|
|
|
|
mww 0xfffeb048 0x00005555
|
|
|
|
|
sleep 500
|
|
|
|
|
#
|
|
|
|
|
# detect flash
|
|
|
|
|
#
|
|
|
|
|
flash probe 0
|
|
|
|
|
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@section STR71x Script
|
|
|
|
|
@cindex STR71x Script
|
2008-02-28 05:52:26 -06:00
|
|
|
|
The following script was used with an Amontec JTAGkey and a STR710 / STR711 CPU:
|
2008-02-28 01:44:13 -06:00
|
|
|
|
@smallexample
|
|
|
|
|
#daemon configuration
|
|
|
|
|
telnet_port 4444
|
|
|
|
|
gdb_port 3333
|
|
|
|
|
|
|
|
|
|
#interface
|
|
|
|
|
interface ft2232
|
|
|
|
|
ft2232_device_desc "Amontec JTAGkey A"
|
|
|
|
|
ft2232_layout jtagkey
|
|
|
|
|
ft2232_vid_pid 0x0403 0xcff8
|
|
|
|
|
jtag_speed 0
|
|
|
|
|
|
|
|
|
|
#use combined on interfaces or targets that can't set TRST/SRST separately
|
|
|
|
|
reset_config trst_and_srst srst_pulls_trst
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 4 0x1 0xf 0xe
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup reset
|
|
|
|
|
|
|
|
|
|
#target <type> <startup mode>
|
|
|
|
|
#target arm7tdmi <endianness> <reset mode> <chainpos> <variant>
|
|
|
|
|
target arm7tdmi little run_and_halt 0 arm7tdmi
|
|
|
|
|
run_and_halt_time 0 30
|
|
|
|
|
|
|
|
|
|
working_area 0 0x2000C000 0x4000 nobackup
|
|
|
|
|
|
|
|
|
|
#flash bank <driver> <base> <size> <chip_width> <bus_width>
|
|
|
|
|
flash bank str7x 0x40000000 0x00040000 0 0 0 STR71x
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@section STR750 Script
|
|
|
|
|
@cindex STR750 Script
|
2008-02-28 05:52:26 -06:00
|
|
|
|
The following script was used with an Amontec JTAGkey and a STR750 CPU:
|
2008-02-28 01:44:13 -06:00
|
|
|
|
@smallexample
|
|
|
|
|
#daemon configuration
|
|
|
|
|
telnet_port 4444
|
|
|
|
|
gdb_port 3333
|
|
|
|
|
|
|
|
|
|
#interface
|
|
|
|
|
interface ft2232
|
|
|
|
|
ft2232_device_desc "Amontec JTAGkey A"
|
|
|
|
|
ft2232_layout jtagkey
|
|
|
|
|
ft2232_vid_pid 0x0403 0xcff8
|
|
|
|
|
jtag_speed 19
|
|
|
|
|
|
|
|
|
|
#use combined on interfaces or targets that can't set TRST/SRST separately
|
|
|
|
|
#reset_config trst_and_srst srst_pulls_trst
|
|
|
|
|
reset_config trst_and_srst srst_pulls_trst
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 4 0x1 0xf 0xe
|
|
|
|
|
|
|
|
|
|
#jtag nTRST and nSRST delay
|
|
|
|
|
jtag_nsrst_delay 500
|
|
|
|
|
jtag_ntrst_delay 500
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup reset
|
|
|
|
|
|
|
|
|
|
#target <type> <startup mode>
|
|
|
|
|
#target arm7tdmi <reset mode> <chainpos> <endianness> <variant>
|
|
|
|
|
target arm7tdmi little run_and_halt 0 arm7tdmi
|
|
|
|
|
run_and_halt_time 0 30
|
|
|
|
|
|
|
|
|
|
working_area 0 0x40000000 0x4000 nobackup
|
|
|
|
|
|
|
|
|
|
#flash bank <driver> <base> <size> <chip_width> <bus_width>
|
|
|
|
|
flash bank str7x 0x20000000 0x000040000 0 0 0 STR75x
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@section STR912 Script
|
|
|
|
|
@cindex STR912 Script
|
2008-02-28 05:52:26 -06:00
|
|
|
|
The following script was used with an Amontec JTAGkey and a STR912 CPU:
|
2008-02-28 01:44:13 -06:00
|
|
|
|
@smallexample
|
|
|
|
|
#daemon configuration
|
|
|
|
|
telnet_port 4444
|
|
|
|
|
gdb_port 3333
|
|
|
|
|
|
|
|
|
|
#interface
|
|
|
|
|
interface ft2232
|
|
|
|
|
ft2232_device_desc "Amontec JTAGkey A"
|
|
|
|
|
ft2232_layout jtagkey
|
|
|
|
|
jtag_speed 1
|
|
|
|
|
|
|
|
|
|
#use combined on interfaces or targets that can't set TRST/SRST separately
|
|
|
|
|
reset_config trst_and_srst
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 8 0x1 0x1 0xfe
|
|
|
|
|
jtag_device 4 0x1 0xf 0xe
|
|
|
|
|
jtag_device 5 0x1 0x1 0x1e
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup reset
|
|
|
|
|
|
|
|
|
|
#target <type> <startup mode>
|
|
|
|
|
#target arm966e <endianness> <reset mode> <chainpos> <variant>
|
|
|
|
|
target arm966e little reset_halt 1 arm966e
|
|
|
|
|
run_and_halt_time 0 30
|
|
|
|
|
|
|
|
|
|
working_area 0 0x50000000 16384 nobackup
|
|
|
|
|
|
|
|
|
|
#flash bank <driver> <base> <size> <chip_width> <bus_width>
|
|
|
|
|
flash bank str9x 0x00000000 0x00080000 0 0 0
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@section STR912 comstick
|
|
|
|
|
@cindex STR912 comstick Script
|
|
|
|
|
The following script was used with a Hitex STR9 Comstick:
|
|
|
|
|
@smallexample
|
|
|
|
|
#daemon configuration
|
|
|
|
|
telnet_port 4444
|
|
|
|
|
gdb_port 3333
|
|
|
|
|
|
|
|
|
|
#interface
|
|
|
|
|
interface ft2232
|
|
|
|
|
ft2232_device_desc "STR9-comStick A"
|
|
|
|
|
ft2232_layout comstick
|
|
|
|
|
jtag_speed 1
|
|
|
|
|
|
|
|
|
|
jtag_nsrst_delay 100
|
|
|
|
|
jtag_ntrst_delay 100
|
|
|
|
|
|
|
|
|
|
#use combined on interfaces or targets that can't set TRST/SRST separately
|
|
|
|
|
reset_config trst_and_srst
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 8 0x1 0x1 0xfe
|
|
|
|
|
jtag_device 4 0x1 0xf 0xe
|
|
|
|
|
jtag_device 5 0x1 0x1 0x1e
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup reset
|
|
|
|
|
|
|
|
|
|
#target <type> <startup mode>
|
|
|
|
|
#target arm966e <endianness> <reset mode> <chainpos> <variant>
|
|
|
|
|
target arm966e little reset_halt 1 arm966e
|
|
|
|
|
run_and_halt_time 0 30
|
|
|
|
|
|
|
|
|
|
working_area 0 0x50000000 16384 nobackup
|
|
|
|
|
|
|
|
|
|
#flash bank <driver> <base> <size> <chip_width> <bus_width>
|
|
|
|
|
flash bank str9x 0x00000000 0x00080000 0 0 0
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@section STM32x Script
|
|
|
|
|
@cindex STM32x Script
|
2008-02-28 05:52:26 -06:00
|
|
|
|
The following script was used with an Amontec JTAGkey and a STM32x CPU:
|
2008-02-28 01:44:13 -06:00
|
|
|
|
@smallexample
|
|
|
|
|
#daemon configuration
|
|
|
|
|
telnet_port 4444
|
|
|
|
|
gdb_port 3333
|
|
|
|
|
|
|
|
|
|
#interface
|
|
|
|
|
interface ft2232
|
|
|
|
|
ft2232_device_desc "Amontec JTAGkey A"
|
|
|
|
|
ft2232_layout jtagkey
|
|
|
|
|
jtag_speed 10
|
|
|
|
|
|
|
|
|
|
jtag_nsrst_delay 100
|
|
|
|
|
jtag_ntrst_delay 100
|
|
|
|
|
|
|
|
|
|
#use combined on interfaces or targets that can't set TRST/SRST separately
|
|
|
|
|
reset_config trst_and_srst
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 4 0x1 0xf 0xe
|
|
|
|
|
jtag_device 5 0x1 0x1 0x1e
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup reset
|
|
|
|
|
|
|
|
|
|
#target <type> <startup mode>
|
|
|
|
|
#target cortex_m3 <endianness> <reset mode> <chainpos> <variant>
|
|
|
|
|
target cortex_m3 little run_and_halt 0
|
|
|
|
|
run_and_halt_time 0 30
|
|
|
|
|
|
|
|
|
|
working_area 0 0x20000000 16384 nobackup
|
|
|
|
|
|
|
|
|
|
#flash bank <driver> <base> <size> <chip_width> <bus_width>
|
|
|
|
|
flash bank stm32x 0x08000000 0x00020000 0 0 0
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@section STM32x Performance Stick
|
|
|
|
|
@cindex STM32x Performance Stick Script
|
|
|
|
|
The following script was used with the Hitex STM32 Performance Stick
|
|
|
|
|
@smallexample
|
|
|
|
|
#daemon configuration
|
|
|
|
|
telnet_port 4444
|
|
|
|
|
gdb_port 3333
|
|
|
|
|
|
|
|
|
|
#interface
|
|
|
|
|
interface ft2232
|
|
|
|
|
ft2232_device_desc "STM32-PerformanceStick A"
|
|
|
|
|
ft2232_layout stm32stick
|
|
|
|
|
jtag_speed 10
|
|
|
|
|
|
|
|
|
|
jtag_nsrst_delay 100
|
|
|
|
|
jtag_ntrst_delay 100
|
|
|
|
|
|
|
|
|
|
#use combined on interfaces or targets that can't set TRST/SRST separately
|
|
|
|
|
reset_config trst_and_srst
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 4 0x1 0xf 0xe
|
|
|
|
|
jtag_device 5 0x1 0x1 0x1e
|
|
|
|
|
jtag_device 4 0x1 0xf 0xe
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup reset
|
|
|
|
|
|
|
|
|
|
#target <type> <startup mode>
|
|
|
|
|
#target cortex_m3 <endianness> <reset mode> <chainpos> <variant>
|
|
|
|
|
target cortex_m3 little run_and_halt 0
|
|
|
|
|
run_and_halt_time 0 30
|
|
|
|
|
|
|
|
|
|
working_area 0 0x20000000 16384 nobackup
|
|
|
|
|
|
|
|
|
|
#flash bank <driver> <base> <size> <chip_width> <bus_width>
|
|
|
|
|
flash bank stm32x 0x08000000 0x00020000 0 0 0
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@section LPC2129 Script
|
|
|
|
|
@cindex LPC2129 Script
|
2008-02-28 05:52:26 -06:00
|
|
|
|
The following script was used with an wiggler PP and a LPC-2129 CPU:
|
2008-02-28 01:44:13 -06:00
|
|
|
|
@smallexample
|
|
|
|
|
#daemon configuration
|
|
|
|
|
telnet_port 4444
|
|
|
|
|
gdb_port 3333
|
|
|
|
|
|
|
|
|
|
#interface
|
|
|
|
|
interface parport
|
|
|
|
|
parport_port 0x378
|
|
|
|
|
parport_cable wiggler
|
|
|
|
|
jtag_speed 0
|
|
|
|
|
|
|
|
|
|
#use combined on interfaces or targets that can't set TRST/SRST separately
|
|
|
|
|
reset_config trst_and_srst srst_pulls_trst
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 4 0x1 0xf 0xe
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup reset
|
|
|
|
|
|
|
|
|
|
#target <type> <startup mode>
|
|
|
|
|
#target arm7tdmi <endianness> <reset mode> <chainpos> <variant>
|
|
|
|
|
target arm7tdmi little run_and_halt 0 arm7tdmi-s_r4
|
|
|
|
|
run_and_halt_time 0 30
|
|
|
|
|
|
|
|
|
|
working_area 0 0x40000000 0x4000 nobackup
|
|
|
|
|
|
|
|
|
|
#flash bank <driver> <base> <size> <chip_width> <bus_width>
|
|
|
|
|
flash bank lpc2000 0x0 0x40000 0 0 0 lpc2000_v1 14765 calc_checksum
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@section LPC2148 Script
|
|
|
|
|
@cindex LPC2148 Script
|
2008-02-28 05:52:26 -06:00
|
|
|
|
The following script was used with an Amontec JTAGkey and a LPC2148 CPU:
|
2008-02-28 01:44:13 -06:00
|
|
|
|
@smallexample
|
|
|
|
|
#daemon configuration
|
|
|
|
|
telnet_port 4444
|
|
|
|
|
gdb_port 3333
|
|
|
|
|
|
|
|
|
|
#interface
|
|
|
|
|
interface ft2232
|
|
|
|
|
ft2232_device_desc "Amontec JTAGkey A"
|
|
|
|
|
ft2232_layout jtagkey
|
|
|
|
|
ft2232_vid_pid 0x0403 0xcff8
|
|
|
|
|
jtag_speed 3
|
|
|
|
|
|
|
|
|
|
#use combined on interfaces or targets that can't set TRST/SRST separately
|
|
|
|
|
reset_config trst_and_srst srst_pulls_trst
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 4 0x1 0xf 0xe
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup reset
|
|
|
|
|
|
|
|
|
|
#target <type> <startup mode>
|
|
|
|
|
#target arm7tdmi <endianness> <reset mode> <chainpos> <variant>
|
|
|
|
|
target arm7tdmi little run_and_halt 0 arm7tdmi-s_r4
|
|
|
|
|
run_and_halt_time 0 30
|
|
|
|
|
|
|
|
|
|
working_area 0 0x40000000 0x8000 nobackup
|
|
|
|
|
|
|
|
|
|
#flash configuration
|
|
|
|
|
flash bank lpc2000 0x0 0x7d000 0 0 0 lpc2000_v1 14765 calc_checksum
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@section LPC2294 Script
|
|
|
|
|
@cindex LPC2294 Script
|
2008-02-28 05:52:26 -06:00
|
|
|
|
The following script was used with an Amontec JTAGkey and a LPC2294 CPU:
|
2008-02-28 01:44:13 -06:00
|
|
|
|
@smallexample
|
|
|
|
|
#daemon configuration
|
|
|
|
|
telnet_port 4444
|
|
|
|
|
gdb_port 3333
|
|
|
|
|
|
|
|
|
|
#interface
|
|
|
|
|
interface ft2232
|
|
|
|
|
ft2232_device_desc "Amontec JTAGkey A"
|
|
|
|
|
ft2232_layout jtagkey
|
|
|
|
|
ft2232_vid_pid 0x0403 0xcff8
|
|
|
|
|
jtag_speed 3
|
|
|
|
|
|
|
|
|
|
#use combined on interfaces or targets that can't set TRST/SRST separately
|
|
|
|
|
reset_config trst_and_srst srst_pulls_trst
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 4 0x1 0xf 0xe
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup reset
|
|
|
|
|
|
|
|
|
|
#target <type> <startup mode>
|
|
|
|
|
#target arm7tdmi <endianness> <reset mode> <chainpos> <variant>
|
|
|
|
|
target arm7tdmi little run_and_halt 0 arm7tdmi-s_r4
|
|
|
|
|
run_and_halt_time 0 30
|
|
|
|
|
|
|
|
|
|
working_area 0 0x40000000 0x4000 nobackup
|
|
|
|
|
|
|
|
|
|
#flash configuration
|
|
|
|
|
flash bank lpc2000 0x0 0x40000 0 0 0 lpc2000_v1 14765 calc_checksum
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@section AT91R40008 Script
|
|
|
|
|
@cindex AT91R40008 Script
|
2008-02-28 05:52:26 -06:00
|
|
|
|
The following script was used with an Amontec JTAGkey and a AT91R40008 CPU:
|
2008-02-28 01:44:13 -06:00
|
|
|
|
@smallexample
|
|
|
|
|
#daemon configuration
|
|
|
|
|
telnet_port 4444
|
|
|
|
|
gdb_port 3333
|
|
|
|
|
|
|
|
|
|
#interface
|
|
|
|
|
interface ft2232
|
|
|
|
|
ft2232_device_desc "Amontec JTAGkey A"
|
|
|
|
|
ft2232_layout jtagkey
|
|
|
|
|
ft2232_vid_pid 0x0403 0xcff8
|
|
|
|
|
jtag_speed 0
|
|
|
|
|
jtag_nsrst_delay 200
|
|
|
|
|
jtag_ntrst_delay 200
|
|
|
|
|
|
|
|
|
|
#use combined on interfaces or targets that can't set TRST/SRST separately
|
|
|
|
|
reset_config srst_only srst_pulls_trst
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 4 0x1 0xf 0xe
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup reset
|
|
|
|
|
|
|
|
|
|
#target <type> <startup mode>
|
|
|
|
|
#target arm7tdmi <endianness> <reset mode> <chainpos> <variant>
|
|
|
|
|
target arm7tdmi little run_and_halt 0 arm7tdmi
|
|
|
|
|
run_and_halt_time 0 30
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@section AT91SAM7s Script
|
|
|
|
|
@cindex AT91SAM7s Script
|
2008-02-28 05:52:26 -06:00
|
|
|
|
The following script was used with an Olimex ARM-JTAG-OCD and a AT91SAM7S64 CPU:
|
2008-02-28 01:44:13 -06:00
|
|
|
|
@smallexample
|
|
|
|
|
#daemon configuration
|
|
|
|
|
telnet_port 4444
|
|
|
|
|
gdb_port 3333
|
|
|
|
|
|
|
|
|
|
#interface
|
|
|
|
|
interface ft2232
|
|
|
|
|
ft2232_device_desc "Olimex OpenOCD JTAG A"
|
|
|
|
|
ft2232_layout olimex-jtag
|
|
|
|
|
ft2232_vid_pid 0x15BA 0x0003
|
|
|
|
|
jtag_speed 0
|
|
|
|
|
jtag_nsrst_delay 200
|
|
|
|
|
jtag_ntrst_delay 200
|
|
|
|
|
|
|
|
|
|
#use combined on interfaces or targets that can't set TRST/SRST separately
|
|
|
|
|
reset_config srst_only srst_pulls_trst
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 4 0x1 0xf 0xe
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup reset
|
|
|
|
|
|
|
|
|
|
#target <type> <startup mode>
|
|
|
|
|
#target arm7tdmi <endianness> <reset mode> <chainpos> <variant>
|
|
|
|
|
target arm7tdmi little run_and_halt 0 arm7tdmi
|
|
|
|
|
run_and_halt_time 0 30
|
|
|
|
|
|
|
|
|
|
# flash-options AT91
|
|
|
|
|
working_area 0 0x00200000 0x4000 nobackup
|
|
|
|
|
flash bank at91sam7 0 0 0 0 0
|
|
|
|
|
|
|
|
|
|
# Information:
|
|
|
|
|
# erase command (telnet-interface) for complete flash:
|
|
|
|
|
# flash erase <num> 0 numlockbits-1 (can be seen from output of flash info 0)
|
|
|
|
|
# SAM7S64 with 16 lockbits and bank 0: flash erase 0 0 15
|
|
|
|
|
# set/clear NVM-Bits:
|
|
|
|
|
# at91sam7 gpnvm <num> <bit> <set|clear>
|
|
|
|
|
# disable locking from SAM-BA:
|
|
|
|
|
# flash protect 0 0 1 off
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@section XSCALE IXP42x Script
|
|
|
|
|
@cindex XSCALE IXP42x Script
|
2008-02-28 05:52:26 -06:00
|
|
|
|
The following script was used with an Amontec JTAGkey-Tiny and a xscale ixp42x CPU:
|
2008-02-28 01:44:13 -06:00
|
|
|
|
@smallexample
|
|
|
|
|
#daemon configuration
|
|
|
|
|
telnet_port 4444
|
|
|
|
|
gdb_port 3333
|
|
|
|
|
|
|
|
|
|
#interface
|
|
|
|
|
interface ft2232
|
|
|
|
|
ft2232_device_desc "Amontec JTAGkey A"
|
|
|
|
|
ft2232_layout jtagkey
|
|
|
|
|
ft2232_vid_pid 0x0403 0xcff8
|
|
|
|
|
jtag_speed 0
|
|
|
|
|
jtag_nsrst_delay 200
|
|
|
|
|
jtag_ntrst_delay 200
|
|
|
|
|
|
|
|
|
|
#use combined on interfaces or targets that can't set TRST/SRST separately
|
|
|
|
|
reset_config srst_only srst_pulls_trst
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 7 0x1 0x7f 0x7e
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup reset
|
|
|
|
|
|
|
|
|
|
#target <type> <startup mode>
|
|
|
|
|
#target arm7tdmi <reset mode> <chainpos> <endianness> <variant>
|
|
|
|
|
target xscale big run_and_halt 0 IXP42x
|
|
|
|
|
run_and_halt_time 0 30
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@section Cirrus Logic EP9301 Script
|
|
|
|
|
@cindex Cirrus Logic EP9301 Script
|
|
|
|
|
The following script was used with FT2232 based JTAG interfaces and a
|
|
|
|
|
Cirrus Logic EP9301 processor on an Olimex CS-E9301 board.
|
|
|
|
|
@smallexample
|
|
|
|
|
#daemon configuration
|
|
|
|
|
telnet_port 4444
|
|
|
|
|
gdb_port 3333
|
|
|
|
|
|
|
|
|
|
#interface
|
|
|
|
|
interface ft2232
|
|
|
|
|
|
|
|
|
|
#Olimex ARM-USB-OCD
|
|
|
|
|
#ft2232_device_desc "Olimex OpenOCD JTAG"
|
|
|
|
|
#ft2232_layout olimex-jtag
|
|
|
|
|
#ft2232_vid_pid 0x15ba 0x0003
|
|
|
|
|
|
|
|
|
|
#Amontec JTAGkey (and JTAGkey-Tiny)
|
|
|
|
|
#Serial is only necessary if more than one JTAGkey is connected
|
|
|
|
|
ft2232_device_desc "Amontec JTAGkey A"
|
|
|
|
|
#ft2232_serial AMTJKV31
|
|
|
|
|
#ft2232_serial T1P3S2W8
|
|
|
|
|
ft2232_layout jtagkey
|
|
|
|
|
ft2232_vid_pid 0x0403 0xcff8
|
|
|
|
|
|
|
|
|
|
#wiggler/parallel port interface
|
|
|
|
|
#interface parport
|
|
|
|
|
#parport_port 0x378
|
|
|
|
|
#parport_cable wiggler
|
|
|
|
|
#jtag_speed 0
|
|
|
|
|
jtag_speed 1
|
|
|
|
|
reset_config trst_and_srst
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 4 0x1 0xf 0xe
|
|
|
|
|
|
|
|
|
|
jtag_nsrst_delay 100
|
|
|
|
|
jtag_ntrst_delay 100
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup attach
|
|
|
|
|
|
|
|
|
|
#target <type> <endianess> <reset mode>
|
|
|
|
|
target arm920t little reset_halt 0
|
|
|
|
|
working_area 0 0x80014000 0x1000 backup
|
|
|
|
|
|
|
|
|
|
#flash configuration
|
|
|
|
|
#flash bank <driver> <base> <size> <chip_width> <bus_width> [driver_options ...]
|
|
|
|
|
flash bank cfi 0x60000000 0x1000000 2 2 0
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@section Hilscher netX 100 / 500 Script
|
|
|
|
|
@cindex Hilscher netX 100 / 500 Script
|
|
|
|
|
The following script was used with an Amontec JTAGkey and a Hilscher
|
2008-02-28 05:52:26 -06:00
|
|
|
|
netX 500 CPU:
|
2008-02-28 01:44:13 -06:00
|
|
|
|
@smallexample
|
|
|
|
|
#daemon configuration
|
|
|
|
|
telnet_port 4444
|
|
|
|
|
gdb_port 3333
|
|
|
|
|
|
|
|
|
|
#interface
|
|
|
|
|
interface ft2232
|
|
|
|
|
ft2232_device_desc "Amontec JTAGkey A"
|
|
|
|
|
ft2232_layout jtagkey
|
|
|
|
|
ft2232_vid_pid 0x0403 0xcff8
|
|
|
|
|
jtag_speed 5
|
|
|
|
|
|
|
|
|
|
#use combined on interfaces or targets that can't set TRST/SRST separately
|
|
|
|
|
reset_config trst_and_srst
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 4 0x1 0xf 0xe
|
|
|
|
|
|
|
|
|
|
jtag_nsrst_delay 100
|
|
|
|
|
jtag_ntrst_delay 100
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup reset
|
|
|
|
|
|
|
|
|
|
#target <type> <endianness> <startup mode> <chainpos> <variant>
|
|
|
|
|
target arm926ejs little run_and_halt 0 arm926ejs
|
|
|
|
|
run_and_halt_time 0 500
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@section Marvell/Intel PXA270 Script
|
|
|
|
|
@cindex Marvell/Intel PXA270 Script
|
|
|
|
|
@smallexample
|
|
|
|
|
# config for Intel PXA270
|
|
|
|
|
# not, as of 2007-06-22, openocd only works with the
|
|
|
|
|
# libftd2xx library from ftdi. libftdi does not work.
|
|
|
|
|
|
|
|
|
|
telnet_port 3333
|
|
|
|
|
gdb_port 4444
|
|
|
|
|
|
|
|
|
|
interface ft2232
|
|
|
|
|
ft2232_layout olimex-jtag
|
|
|
|
|
ft2232_vid_pid 0x15BA 0x0003
|
|
|
|
|
ft2232_device_desc "Olimex OpenOCD JTAG"
|
|
|
|
|
jtag_speed 0
|
|
|
|
|
# set jtag_nsrst_delay to the delay introduced by your reset circuit
|
|
|
|
|
# the rest of the needed delays are built into the openocd program
|
|
|
|
|
jtag_nsrst_delay 260
|
|
|
|
|
# set the jtag_ntrst_delay to the delay introduced by a reset circuit
|
|
|
|
|
# the rest of the needed delays are built into the openocd program
|
|
|
|
|
jtag_ntrst_delay 0
|
|
|
|
|
|
|
|
|
|
#use combined on interfaces or targets that can't set TRST/SRST separately
|
|
|
|
|
reset_config trst_and_srst separate
|
|
|
|
|
|
|
|
|
|
#jtag scan chain
|
|
|
|
|
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
|
|
|
|
|
jtag_device 7 0x1 0x7f 0x7e
|
|
|
|
|
|
|
|
|
|
#target configuration
|
|
|
|
|
daemon_startup reset
|
|
|
|
|
|
|
|
|
|
target xscale little reset_halt 0 pxa27x
|
|
|
|
|
|
|
|
|
|
# maps to PXA internal RAM. If you are using a PXA255
|
|
|
|
|
# you must initialize SDRAM or leave this option off
|
|
|
|
|
working_area 0 0x5c000000 0x10000 nobackup
|
|
|
|
|
|
|
|
|
|
run_and_halt_time 0 30
|
|
|
|
|
|
|
|
|
|
#flash bank <driver> <base> <size> <chip_width> <bus_width>
|
|
|
|
|
# works for P30 flash
|
|
|
|
|
flash bank cfi 0x00000000 0x1000000 2 4 0
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
@node GDB and Openocd
|
|
|
|
|
@chapter GDB and Openocd
|
|
|
|
|
@cindex GDB and Openocd
|
|
|
|
|
Openocd complies with the remote gdbserver protocol, and as such can be used
|
|
|
|
|
to debug remote targets.
|
|
|
|
|
|
|
|
|
|
@section Connecting to gdb
|
|
|
|
|
@cindex Connecting to gdb
|
|
|
|
|
A connection is typically started as follows:
|
|
|
|
|
@smallexample
|
|
|
|
|
target remote localhost:3333
|
|
|
|
|
@end smallexample
|
|
|
|
|
This would cause gdb to connect to the gdbserver on the local pc using port 3333.
|
|
|
|
|
|
|
|
|
|
To see a list of available openocd commands type @option{monitor help} on the
|
|
|
|
|
gdb commandline.
|
|
|
|
|
|
|
|
|
|
Openocd supports the gdb @option{qSupported} packet, this enables information
|
|
|
|
|
to be sent by the gdb server (openocd) to gdb. Typical information includes
|
|
|
|
|
packet size and device memory map.
|
|
|
|
|
|
|
|
|
|
Previous versions of openocd required the following gdb options to increase
|
|
|
|
|
the packet size and speed up gdb communication.
|
|
|
|
|
@smallexample
|
|
|
|
|
set remote memory-write-packet-size 1024
|
|
|
|
|
set remote memory-write-packet-size fixed
|
|
|
|
|
set remote memory-read-packet-size 1024
|
|
|
|
|
set remote memory-read-packet-size fixed
|
|
|
|
|
@end smallexample
|
|
|
|
|
This is now handled in the @option{qSupported} PacketSize.
|
|
|
|
|
|
|
|
|
|
@section Programming using gdb
|
|
|
|
|
@cindex Programming using gdb
|
|
|
|
|
|
|
|
|
|
By default the target memory map is not sent to gdb, this can be enabled by
|
|
|
|
|
the following openocd config option:
|
|
|
|
|
@smallexample
|
|
|
|
|
gdb_memory_map enable
|
|
|
|
|
@end smallexample
|
|
|
|
|
For this to function correctly a valid flash config must also be configured
|
|
|
|
|
in openocd. For speed also configure a valid working area.
|
|
|
|
|
|
|
|
|
|
Informing gdb of the memory map of the target will enable gdb to protect any
|
|
|
|
|
flash area of the target and use hardware breakpoints by default. This means
|
|
|
|
|
that the openocd option @option{arm7_9 force_hw_bkpts} is not required when
|
|
|
|
|
using a memory map.
|
|
|
|
|
|
|
|
|
|
To view the configured memory map in gdb, use the gdb command @option{info mem}
|
2008-02-28 05:52:26 -06:00
|
|
|
|
All other unasigned addresses within gdb are treated as RAM.
|
2008-02-28 01:44:13 -06:00
|
|
|
|
|
|
|
|
|
If @option{gdb_flash_program enable} is also used, gdb will be able to
|
|
|
|
|
program any flash memory using the vFlash interface.
|
|
|
|
|
|
|
|
|
|
gdb will look at the target memory map when a load command is given, if any
|
|
|
|
|
areas to be programmed lie within the target flash area the vFlash packets
|
|
|
|
|
will be used.
|
|
|
|
|
|
|
|
|
|
Incase the target needs configuring before gdb programming, a script can be executed.
|
|
|
|
|
@smallexample
|
|
|
|
|
target_script 0 gdb_program_config config.script
|
|
|
|
|
@end smallexample
|
|
|
|
|
|
|
|
|
|
To verify any flash programming the gdb command @option{compare-sections}
|
|
|
|
|
can be used.
|
|
|
|
|
|
|
|
|
|
@node FAQ
|
|
|
|
|
@chapter FAQ
|
|
|
|
|
@cindex faq
|
|
|
|
|
@enumerate
|
2008-02-28 05:52:26 -06:00
|
|
|
|
@item OpenOCD complains about a missing cygwin1.dll.
|
2008-02-28 01:44:13 -06:00
|
|
|
|
|
|
|
|
|
Make sure you have Cygwin installed, or at least a version of OpenOCD that
|
|
|
|
|
claims to come with all the necessary dlls. When using Cygwin, try launching
|
|
|
|
|
the OpenOCD from the Cygwin shell.
|
|
|
|
|
|
|
|
|
|
@item I'm trying to set a breakpoint using GDB (or a frontend like Insight or
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Eclipse), but OpenOCD complains that "Info: arm7_9_common.c:213
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arm7_9_add_breakpoint(): sw breakpoint requested, but software breakpoints not enabled".
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GDB issues software breakpoints when a normal breakpoint is requested, or to implement
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source-line single-stepping. On ARMv4T systems, like ARM7TDMI, ARM720t or ARM920t,
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software breakpoints consume one of the two available hardware breakpoints,
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2008-02-28 05:52:26 -06:00
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and are therefore disabled by default. If your code is running from RAM, you
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2008-02-28 01:44:13 -06:00
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can enable software breakpoints with the @option{arm7_9 sw_bkpts enable} command. If
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your code resides in Flash, you can't use software breakpoints, but you can force
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OpenOCD to use hardware breakpoints instead: @option{arm7_9 force_hw_bkpts enable}.
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@item When erasing or writing LPC2000 on-chip flash, the operation fails sometimes
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and works sometimes fine.
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Make sure the core frequency specified in the @option{flash lpc2000} line matches the
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clock at the time you're programming the flash. If you've specified the crystal's
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frequency, make sure the PLL is disabled, if you've specified the full core speed
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(e.g. 60MHz), make sure the PLL is enabled.
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@item When debugging using an Amontec Chameleon in its JTAG Accelerator configuration,
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I keep getting "Error: amt_jtagaccel.c:184 amt_wait_scan_busy(): amt_jtagaccel timed
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out while waiting for end of scan, rtck was disabled".
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Make sure your PC's parallel port operates in EPP mode. You might have to try several
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2008-02-28 05:52:26 -06:00
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settings in your PC BIOS (ECP, EPP, and different versions of those).
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2008-02-28 01:44:13 -06:00
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@item When debugging with the OpenOCD and GDB (plain GDB, Insight, or Eclipse),
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I get lots of "Error: arm7_9_common.c:1771 arm7_9_read_memory():
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memory read caused data abort".
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The errors are non-fatal, and are the result of GDB trying to trace stack frames
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beyond the last valid frame. It might be possible to prevent this by setting up
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a proper "initial" stack frame, if you happen to know what exactly has to
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be done, feel free to add this here.
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@item I get the following message in the OpenOCD console (or log file):
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"Warning: arm7_9_common.c:679 arm7_9_assert_reset(): srst resets test logic, too".
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This warning doesn't indicate any serious problem, as long as you don't want to
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debug your core right out of reset. Your .cfg file specified @option{jtag_reset
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trst_and_srst srst_pulls_trst} to tell the OpenOCD that either your board,
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your debugger or your target uC (e.g. LPC2000) can't assert the two reset signals
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independently. With this setup, it's not possible to halt the core right out of
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reset, everything else should work fine.
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@item When using OpenOCD in conjunction with Amontec JTAGkey and the Yagarto
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Toolchain (Eclipse, arm-elf-gcc, arm-elf-gdb), the debugging seems to be
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unstable. When single-stepping over large blocks of code, GDB and OpenOCD
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quit with an error message. Is there a stability issue with OpenOCD?
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2008-02-28 05:52:26 -06:00
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No, this is not a stability issue concerning OpenOCD. Most users have solved
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this issue by simply using a self-powered USB hub, which they connect their
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2008-02-28 01:44:13 -06:00
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Amontec JTAGkey to. Apparently, some computers do not provide a USB power
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supply stable enough for the Amontec JTAGkey to be operated.
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@item When using the Amontec JTAGkey, sometimes OpenOCD crashes with the
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following error messages: "Error: ft2232.c:201 ft2232_read(): FT_Read returned:
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4" and "Error: ft2232.c:365 ft2232_send_and_recv(): couldn't read from FT2232".
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What does that mean and what might be the reason for this?
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First of all, the reason might be the USB power supply. Try using a self-powered
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hub instead of a direct connection to your computer. Secondly, the error code 4
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corresponds to an FT_IO_ERROR, which means that the driver for the FTDI USB
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2008-02-28 05:52:26 -06:00
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chip ran into some sort of error - this points us to a USB problem.
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2008-02-28 01:44:13 -06:00
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@item When using the Amontec JTAGkey, sometimes OpenOCD crashes with the following
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error message: "Error: gdb_server.c:101 gdb_get_char(): read: 10054".
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What does that mean and what might be the reason for this?
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Error code 10054 corresponds to WSAECONNRESET, which means that the debugger (GDB)
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has closed the connection to OpenOCD. This might be a GDB issue.
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@item In the configuration file in the section where flash device configurations
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are described, there is a parameter for specifying the clock frequency for
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LPC2000 internal flash devices (e.g.
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2008-02-28 05:52:26 -06:00
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@option{flash bank lpc2000 0x0 0x40000 0 0 0 lpc2000_v1 14746 calc_checksum}),
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which must be specified in kilohertz. However, I do have a quartz crystal of a
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2008-02-28 01:44:13 -06:00
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frequency that contains fractions of kilohertz (e.g. 14,745,600 Hz, i.e. 14,745.600 kHz).
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Is it possible to specify real numbers for the clock frequency?
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No. The clock frequency specified here must be given as an integral number.
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However, this clock frequency is used by the In-Application-Programming (IAP)
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routines of the LPC2000 family only, which seems to be very tolerant concerning
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the given clock frequency, so a slight difference between the specified clock
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frequency and the actual clock frequency will not cause any trouble.
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@item Do I have to keep a specific order for the commands in the configuration file?
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Well, yes and no. Commands can be given in arbitrary order, yet the devices
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listed for the JTAG scan chain must be given in the right order (jtag_device),
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with the device closest to the TDO-Pin being listed first. In general,
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whenever objects of the same type exist which require an index number, then
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these objects must be given in the right order (jtag_devices, targets and flash
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banks - a target references a jtag_device and a flash bank references a target).
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@item Sometimes my debugging session terminates with an error. When I look into the
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log file, I can see these error messages: Error: arm7_9_common.c:561
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arm7_9_execute_sys_speed(): timeout waiting for SYSCOMP
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2008-02-28 05:52:26 -06:00
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TODO.
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2008-02-28 01:44:13 -06:00
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@end enumerate
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@include fdl.texi
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@node Index
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@unnumbered Index
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@printindex cp
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@bye
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