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[Openocd-svn] r1418 - in trunk: doc src/jtag src/target/board
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From: <oh...@ma...> - 2009-03-19 16:51:30
|
Author: oharboe
Date: 2009-03-19 16:51:28 +0100 (Thu, 19 Mar 2009)
New Revision: 1418
Modified:
trunk/doc/openocd.texi
trunk/src/jtag/jtag.c
trunk/src/target/board/stm32f10x_128k_eval.cfg
Log:
Thomas Kindler <mai...@t-...> typos
Modified: trunk/doc/openocd.texi
===================================================================
--- trunk/doc/openocd.texi 2009-03-18 11:59:31 UTC (rev 1417)
+++ trunk/doc/openocd.texi 2009-03-19 15:51:28 UTC (rev 1418)
@@ -70,11 +70,11 @@
* Sample Scripts:: Sample Target Scripts
* TFTP:: TFTP
* GDB and OpenOCD:: Using GDB and OpenOCD
-* TCL scripting API:: Tcl scripting API
+* Tcl scripting API:: Tcl scripting API
* Upgrading:: Deprecated/Removed Commands
* Target library:: Target library
* FAQ:: Frequently Asked Questions
-* TCL Crash Course:: TCL Crash Course
+* Tcl Crash Course:: Tcl Crash Course
* License:: GNU Free Documentation License
@comment DO NOT use the plain word ``Index'', reason: CYGWIN filename
@comment case issue with ``Index.html'' and ``index.html''
@@ -92,14 +92,14 @@
devices.
@b{JTAG:} OpenOCD uses a ``hardware interface dongle'' to communicate
-with the JTAG (IEEE 1149.1) complient taps on your target board.
+with the JTAG (IEEE 1149.1) compliant taps on your target board.
-@b{Dongles:} OpenOCD currently many types of hardware dongles: USB
+@b{Dongles:} OpenOCD currently supports many types of hardware dongles: USB
Based, Parallel Port Based, and other standalone boxes that run
OpenOCD internally. See the section titled: @xref{JTAG Hardware Dongles}.
-@b{GDB Debug:} It allows ARM7 (ARM7TDMI and ARM720t), ARM9 (ARM920t,
-ARM922t, ARM926ej--s, ARM966e--s), XScale (PXA25x, IXP42x) and
+@b{GDB Debug:} It allows ARM7 (ARM7TDMI and ARM720t), ARM9 (ARM920T,
+ARM922T, ARM926EJ--S, ARM966E--S), XScale (PXA25x, IXP42x) and
Cortex-M3 (Luminary Stellaris LM3 and ST STM32) based cores to be
debugged via the GDB Protocol.
@@ -139,9 +139,9 @@
@enumerate
@item @b{Sell dongles} and include pre-built binaries
-@item @b{Supply tools} ie: A complete development solution
+@item @b{Supply tools} i.e.: A complete development solution
@item @b{Supply IDEs} like Eclipse, or RHIDE, etc.
-@item @b{Build packages} ie: RPM files, or DEB files for a Linux Distro
+@item @b{Build packages} i.e.: RPM files, or DEB files for a Linux Distro
@end enumerate
As a @b{PACKAGER} - you are at the top of the food chain. You solve
@@ -151,8 +151,8 @@
suggestions:
@enumerate
-@item @b{Always build with Printer Ports Enabled}
-@item @b{Try where possible to use LIBFTDI + LIBUSB} You cover more bases
+@item @b{Always build with printer ports enabled}.
+@item @b{Try to use LIBFTDI + LIBUSB where possible}. You cover more bases.
@end enumerate
It is your decision..
@@ -166,7 +166,7 @@
@item @b{MORE} platforms are supported
@item @b{MORE} complete solution
@end itemize
-@item @b{Why not LIBFTDI + LIBUSB} (ie: ftd2xx instead)
+@item @b{Why not LIBFTDI + LIBUSB} (i.e.: ftd2xx instead)
@itemize @bullet
@item @b{LESS} Some say it is slower.
@item @b{LESS} complex to distribute (external dependencies)
@@ -208,7 +208,7 @@
homepage (@uref{www.amontec.com}), as the JTAGkey uses a non-standard VID/PID.
@end itemize
-libftdi is supported under windows. Do not use versions earlier then 0.14.
+libftdi is supported under Windows. Do not use versions earlier then 0.14.
In general, the D2XX driver provides superior performance (several times as fast),
but has the draw-back of being binary-only - though that isn't that bad, as it isn't
@@ -282,7 +282,7 @@
FTDICHIP.COM closed source driver, or (2) the open (and free) driver
libftdi. Some claim the (closed) FTDICHIP.COM solution is faster.
-The FTDICHIP drivers come as either a (win32) ZIP file, or a (linux)
+The FTDICHIP drivers come as either a (win32) ZIP file, or a (Linux)
TAR.GZ file. You must unpack them ``some where'' convient. As of this
writing (12/26/2008) FTDICHIP does not supply means to install these
files ``in an appropriate place'' As a result, there are two
@@ -315,7 +315,7 @@
Cygwin/Linux LIBFTDI solution
Assumes:
- 1a) For Windows: The windows port of LIBUSB is in place.
+ 1a) For Windows: The Windows port of LIBUSB is in place.
1b) For Linux: libusb has been built and is inplace.
2) And libftdi has been built and installed
@@ -344,11 +344,11 @@
@node JTAG Hardware Dongles
@chapter JTAG Hardware Dongles
@cindex dongles
-@cindex ftdi
+@cindex FTDI
@cindex wiggler
@cindex zy1000
@cindex printer port
-@cindex usb adapter
+@cindex USB adapter
@cindex rtck
Defined: @b{dongle}: A small device that plugins into a computer and serves as
@@ -378,7 +378,7 @@
@section USB FT2232 Based
-There are many USB jtag dongles on the market, many of them are based
+There are many USB JTAG dongles on the market, many of them are based
on a chip from ``Future Technology Devices International'' (FTDI)
known as the FTDI FT2232.
@@ -505,7 +505,7 @@
@itemize @bullet
@item @b{ep93xx}
-@* An EP93xx based linux machine using the GPIO pins directly.
+@* An EP93xx based Linux machine using the GPIO pins directly.
@item @b{at91rm9200}
@* Like the EP93xx - but an ATMEL AT91RM9200 based solution using the GPIO pins on the chip.
@@ -589,8 +589,8 @@
@section Small configuration file method
-This is the prefered method, it is simple and is works well for many
-people. The developers of OpenOCD would encourage you to use this
+This is the preferred method. It is simple and works well for many
+people. The developers of OpenOCD would encourage you to use this
method. If you create a new configuration please email new
configurations to the development list.
@@ -663,10 +663,10 @@
Some key things you should look at and understand are:
@enumerate
-@item The RESET configuration of your debug environment as a hole
+@item The RESET configuration of your debug environment as a whole
@item Is there a ``work area'' that OpenOCD can use?
@* For ARM - work areas mean up to 10x faster downloads.
-@item For MMU/MPU based ARM chips (ie: ARM9 and later) will that work area still be available?
+@item For MMU/MPU based ARM chips (i.e.: ARM9 and later) will that work area still be available?
@item For complex targets (multiple chips) the JTAG SPEED becomes an issue.
@end enumerate
@@ -679,26 +679,25 @@
OpenOCD. These are guidelines for creating new boards and new target
configurations as of 28/Nov/2008.
-However, you the user of OpenOCD should be some what familiar with
+However, you, the user of OpenOCD, should be somewhat familiar with
this section as it should help explain some of the internals of what
you might be looking at.
-The user should find under @t{$(INSTALLDIR)/lib/openocd} the
-following directories:
+The user should find the following directories under @t{$(INSTALLDIR)/lib/openocd} :
@itemize @bullet
@item @b{interface}
-@*Think JTAG Dongle. Files that configure the jtag dongle go here.
+@*Think JTAG Dongle. Files that configure the JTAG dongle go here.
@item @b{board}
-@* Thing Circuit Board, PWA, PCB, they go by many names. Board files
+@* Think Circuit Board, PWA, PCB, they go by many names. Board files
contain initialization items that are specific to a board - for
example: The SDRAM initialization sequence for the board, or the type
of external flash and what address it is found at. Any initialization
-sequence to enable that external flash or sdram should be found in the
-board file. Boards may also contain multiple targets, ie: Two cpus, or
+sequence to enable that external flash or SDRAM should be found in the
+board file. Boards may also contain multiple targets, i.e.: Two CPUs, or
a CPU and an FPGA or CPLD.
@item @b{target}
-@* Think CHIP. The ``target'' directory represents a jtag tap (or
+@* Think chip. The ``target'' directory represents a JTAG tap (or
chip) OpenOCD should control, not a board. Two common types of targets
are ARM chips and FPGA or CPLD chips.
@end itemize
@@ -722,7 +721,7 @@
today, that said, perhaps some interfaces have only been used by the
sole developer who created it.
-@b{FIXME/NOTE:} We need to add support for a variable like TCL variable
+@b{FIXME/NOTE:} We need to add support for a variable like Tcl variable
tcl_platform(platform), it should be called jim_platform (because it
is jim, not real tcl) and it should contain 1 of 3 words: ``linux'',
``cygwin'' or ``mingw''
@@ -745,12 +744,12 @@
The board file should contain one or more @t{source [find
target/FOO.cfg]} statements along with any board specific things.
-In summery the board files should contain (if present)
+In summary the board files should contain (if present)
@enumerate
-@item External flash configuration (ie: the flash on CS0)
-@item SDRAM configuration (size, speed, etc)
-@item Board specific IO configuration (ie: GPIO pins might disable a 2nd flash)
+@item External flash configuration (i.e.: the flash on CS0)
+@item SDRAM configuration (size, speed, etc.
+@item Board specific IO configuration (i.e.: GPIO pins might disable a 2nd flash)
@item Multiple TARGET source statements
@item All things that are not ``inside a chip''
@item Things inside a chip go in a 'target' file
@@ -766,7 +765,7 @@
openocd -f target/FOOBAR.cfg
@end example
-In summery the target files should contain
+In summary the target files should contain
@enumerate
@item Set Defaults
@@ -793,8 +792,8 @@
@* When OpenOCD examines the JTAG chain, it will attempt to identify
every chip. If the @t{-expected-id} is nonzero, OpenOCD attempts
to verify the tap id number verses configuration file and may issue an
-error or warning like this. The hope is this will help pin point
-problem OpenOCD configurations.
+error or warning like this. The hope is that this will help to pinpoint
+problems in OpenOCD configurations.
@example
Info: JTAG tap: sam7x256.cpu tap/device found: 0x3f0f0f0f (Manufacturer: 0x787, Part: 0xf0f0, Version: 0x3)
@@ -830,12 +829,12 @@
@end itemize
-@subsection TCL Variables Guide Line
+@subsection Tcl Variables Guide Line
The Full Tcl/Tk language supports ``namespaces'' - JIM-Tcl does not.
Thus the rule we follow in OpenOCD is this: Variables that begin with
-a leading underscore are temporal in nature, and can be modified and
-used at will within a ?TARGET? configuration file
+a leading underscore are temporary in nature, and can be modified and
+used at will within a ?TARGET? configuration file.
@b{EXAMPLE:} The user should be able to do this:
@@ -849,14 +848,14 @@
source [find target/pxa270.cfg]
# variable: _TARGETNAME = network.cpu
# other commands can refer to the "network.cpu" tap.
- $_TARGETNAME configure .... params for this cpu..
+ $_TARGETNAME configure .... params for this CPU..
set ENDIAN little
set CHIPNAME video
source [find target/pxa270.cfg]
# variable: _TARGETNAME = video.cpu
# other commands can refer to the "video.cpu" tap.
- $_TARGETNAME configure .... params for this cpu..
+ $_TARGETNAME configure .... params for this CPU..
unset ENDIAN
set CHIPNAME xilinx
@@ -896,7 +895,7 @@
@end example
@subsection Creating Taps
-After the ``defaults'' are choosen, [see above], the taps are created.
+After the ``defaults'' are choosen [see above] the taps are created.
@b{SIMPLE example:} such as an Atmel AT91SAM7X256
@@ -943,7 +942,7 @@
@b{Tap Naming Convention}
-See the command ``jtag newtap'' for detail, but in breif the names you should use are:
+See the command ``jtag newtap'' for detail, but in brief the names you should use are:
@itemize @bullet
@item @b{tap}
@@ -963,20 +962,20 @@
@subsection Work Areas
Work areas are small RAM areas used by OpenOCD to speed up downloads,
-and to download small snippits of code to program flash chips.
+and to download small snippets of code to program flash chips.
-If the chip includes an form of ``on-chip-ram'' - and many do - define
+If the chip includes a form of ``on-chip-ram'' - and many do - define
a reasonable work area and use the ``backup'' option.
@b{PROBLEMS:} On more complex chips, this ``work area'' may become
-inaccessable if/when the application code enables or disables the MMU.
+inaccessible if/when the application code enables or disables the MMU.
@subsection ARM Core Specific Hacks
-If the chip has a DCC, enable it. If the chip is an arm9 with some
-special high speed download - enable it.
+If the chip has a DCC, enable it. If the chip is an ARM9 with some
+special high speed download features - enable it.
-If the chip has an ARM ``vector catch'' feature - by defeault enable
+If the chip has an ARM ``vector catch'' feature - by default enable
it for Undefined Instructions, Data Abort, and Prefetch Abort, if the
user is really writing a handler for those situations - they can
easily disable it. Experiance has shown the ``vector catch'' is
@@ -1010,31 +1009,31 @@
learn more about JIM here: @url{http://jim.berlios.de}
@itemize @bullet
-@item @b{JIM vrs TCL}
+@item @b{JIM vs. Tcl}
@* JIM-TCL is a stripped down version of the well known Tcl language,
which can be found here: @url{http://www.tcl.tk}. JIM-Tcl has far
fewer features. JIM-Tcl is a single .C file and a single .H file and
-impliments the basic TCL command set along. In contrast: Tcl 8.6 is a
-4.2MEG zip file containing 1540 files.
+impliments the basic Tcl command set along. In contrast: Tcl 8.6 is a
+4.2 MB .zip file containing 1540 files.
@item @b{Missing Features}
-@* Our practice has been: Add/clone the Real TCL feature if/when
+@* Our practice has been: Add/clone the real Tcl feature if/when
needed. We welcome JIM Tcl improvements, not bloat.
@item @b{Scripts}
@* OpenOCD configuration scripts are JIM Tcl Scripts. OpenOCD's
-command interpretor today (28/nov/2008) is a mixture of (newer)
-JIM-Tcl commands, and (older) the orginal command interpretor.
+command interpreter today (28/nov/2008) is a mixture of (newer)
+JIM-Tcl commands, and (older) the orginal command interpreter.
@item @b{Commands}
@* At the OpenOCD telnet command line (or via the GDB mon command) one
can type a Tcl for() loop, set variables, etc.
@item @b{Historical Note}
-@* JIM-Tcl was introduced to OpenOCD in Spring 2008.
+@* JIM-Tcl was introduced to OpenOCD in spring 2008.
-@item @b{Need a Crash Course In TCL?}
-@* See: @xref{TCL Crash Course}.
+@item @b{Need a Crash Course In Tcl?}
+@* See: @xref{Tcl Crash Course}.
@end itemize
@@ -1071,9 +1070,9 @@
@item @b{tcl_port} <@var{number}>
@cindex tcl_port
@*Intended as a machine interface. Port on which to listen for
-incoming TCL syntax. This port is intended as a simplified RPC
+incoming Tcl syntax. This port is intended as a simplified RPC
connection that can be used by clients to issue commands and get the
-output from the TCL engine.
+output from the Tcl engine.
@item @b{gdb_port} <@var{number}>
@cindex gdb_port
@@ -1089,7 +1088,7 @@
@*Force breakpoint type for gdb 'break' commands.
The raison d'etre for this option is to support GDB GUI's without
a hard/soft breakpoint concept where the default OpenOCD and
-GDB behaviour is not sufficient. Note that GDB will use hardware
+GDB behavior is not sufficient. Note that GDB will use hardware
breakpoints if the memory map has been set up for flash regions.
This option replaces older arm7_9 target commands that addressed
@@ -1097,16 +1096,16 @@
@item @b{gdb_detach} <@var{resume|reset|halt|nothing}>
@cindex gdb_detach
-@*Configures what OpenOCD will do when gdb detaches from the daemon.
-Default behaviour is <@var{resume}>
+@*Configures what OpenOCD will do when GDB detaches from the daemon.
+Default behavior is <@var{resume}>
@item @b{gdb_memory_map} <@var{enable|disable}>
@cindex gdb_memory_map
-@*Set to <@var{enable}> to cause OpenOCD to send the memory configuration to gdb when
-requested. gdb will then know when to set hardware breakpoints, and program flash
-using the gdb load command. @option{gdb_flash_program enable} will also need enabling
+@*Set to <@var{enable}> to cause OpenOCD to send the memory configuration to GDB when
+requested. GDB will then know when to set hardware breakpoints, and program flash
+using the GDB load command. @option{gdb_flash_program enable} must also be enabled
for flash programming to work.
-Default behaviour is <@var{enable}>
+Default behavior is <@var{enable}>
@xref{gdb_flash_program}.
@item @b{gdb_flash_program} <@var{enable|disable}>
@@ -1114,7 +1113,7 @@
@anchor{gdb_flash_program}
@*Set to <@var{enable}> to cause OpenOCD to program the flash memory when a
vFlash packet is received.
-Default behaviour is <@var{enable}>
+Default behavior is <@var{enable}>
@comment END GDB Items
@end itemize
@@ -1153,10 +1152,10 @@
@verbatim
interface arm-jtag-ew
@end verbatim
-@section Interface Conmmand
+@section Interface Command
-The interface command tells OpenOCD what type of jtag dongle you are
-using. Depending upon the type of dongle, you may need to have one or
+The interface command tells OpenOCD what type of JTAG dongle you are
+using. Depending on the type of dongle, you may need to have one or
more additional commands.
@itemize @bullet
@@ -1194,16 +1193,16 @@
@* Gateworks GW16012 JTAG programmer.
@item @b{jlink}
-@* Segger jlink usb adapter
+@* Segger jlink USB adapter
@item @b{rlink}
-@* Raisonance RLink usb adapter
+@* Raisonance RLink USB adapter
@item @b{vsllink}
@* vsllink is part of Versaloon which is a versatile USB programmer.
@item @b{arm-jtag-ew}
-@* Olimex ARM-JTAG-EW usb adapter
+@* Olimex ARM-JTAG-EW USB adapter
@comment - End parameters
@end itemize
@comment - End Interface
@@ -1283,7 +1282,7 @@
specified, the FTDI default value is used. This setting is only valid
if compiled with FTD2XX support.
-@b{TODO:} Confirm the following: On windows the name needs to end with
+@b{TODO:} Confirm the following: On Windows the name needs to end with
a ``space A''? Or not? It has to do with the FTD2xx driver. When must
this be added and when must it not be added? Why can't the code in the
interface or in OpenOCD automatically add this if needed? -- Duane.
@@ -1300,7 +1299,7 @@
@item @b{usbjtag}
"USBJTAG-1" layout described in the original OpenOCD diploma thesis
@item @b{jtagkey}
-Amontec JTAGkey and JTAGkey-tiny
+Amontec JTAGkey and JTAGkey-Tiny
@item @b{signalyzer}
Signalyzer
@item @b{olimex-jtag}
@@ -1326,17 +1325,17 @@
@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. Multiple <@var{vid}>, <@var{pid}> pairs may be given, eg.
+default values are used. Multiple <@var{vid}>, <@var{pid}> pairs may be given, e.g.
@example
ft2232_vid_pid 0x0403 0xcff8 0x15ba 0x0003
@end example
@item @b{ft2232_latency} <@var{ms}>
-@*On some systems using ft2232 based JTAG interfaces the FT_Read function call in
+@*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
+FT2232 latency timer to a larger value increases delays for short USB packets 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.
+The OpenOCD default value is 2 and for some systems a value of 10 has proved useful.
@end itemize
@subsection ep93xx options
@@ -1349,9 +1348,9 @@
@cindex jtag_khz
It is debatable if this command belongs here - or in a board
-configuration file. In fact, in some situations the jtag speed is
-changed during the target initialization process (ie: (1) slow at
-reset, (2) program the cpu clocks, (3) run fast)
+configuration file. In fact, in some situations the JTAG speed is
+changed during the target initialization process (i.e.: (1) slow at
+reset, (2) program the CPU clocks, (3) run fast)
Speed 0 (khz) selects RTCK method. A non-zero speed is in KHZ. Hence: 3000 is 3mhz.
@@ -1359,11 +1358,11 @@
support the rate asked for, or can not translate from kHz to
jtag_speed, then an error is returned.
-Make sure the jtag clock is no more than @math{1/6th CPU-Clock}. This is
+Make sure the JTAG clock is no more than @math{1/6th CPU-Clock}. This is
especially true for synthesized cores (-S). Also see RTCK.
@b{NOTE: Script writers} If the target chip requires/uses RTCK -
-please use the command: 'jtag_rclk FREQ'. This TCL proc (in
+please use the command: 'jtag_rclk FREQ'. This Tcl proc (in
startup.tcl) attempts to enable RTCK, if that fails it falls back to
the specified frequency.
@@ -1372,7 +1371,7 @@
jtag_rclk 3000
@end example
-@item @b{DEPRICATED} @b{jtag_speed} - please use jtag_khz above.
+@item @b{DEPRECATED} @b{jtag_speed} - please use jtag_khz above.
@cindex jtag_speed
@*Limit the maximum speed of the JTAG interface. Usually, a value of zero means maximum
speed. The actual effect of this option depends on the JTAG interface used.
@@ -1416,7 +1415,7 @@
@section reset_config
-@b{Note:} To maintainer types and integrators. Where exactly the
+@b{Note:} To maintainer and integrators: Where exactly the
``reset configuration'' goes is a good question. It touches several
things at once. In the end, if you have a board file - the board file
should define it and assume 100% that the DONGLE supports
@@ -1426,17 +1425,17 @@
@* @b{Problems:}
@enumerate
-@item Every JTAG Dongle is slightly different, some dongles impliment reset differently.
+@item Every JTAG Dongle is slightly different, some dongles implement reset differently.
@item Every board is also slightly different; some boards tie TRST and SRST together.
@item Every chip is slightly different; some chips internally tie the two signals together.
-@item Some may not impliment all of the signals the same way.
+@item Some may not implement all of the signals the same way.
@item Some signals might be push-pull, others open-drain/collector.
@end enumerate
@b{Best Case:} OpenOCD can hold the SRST (push-button-reset), then
reset the TAP via TRST and send commands through the JTAG tap to halt
the CPU at the reset vector before the 1st instruction is executed,
and finally release the SRST signal.
-@*Depending upon your board vendor, your chip vendor, etc, these
+@*Depending on your board vendor, chip vendor, etc., these
signals may have slightly different names.
OpenOCD defines these signals in these terms:
@@ -1459,12 +1458,12 @@
[@var{combination}] is an optional value specifying broken reset
signal implementations. @option{srst_pulls_trst} states that the
-testlogic is reset together with the reset of the system (e.g. Philips
+test logic is reset together with the reset of the system (e.g. Philips
LPC2000, "broken" board layout), @option{trst_pulls_srst} says that
the system is reset together with the test logic (only hypothetical, I
haven't seen hardware with such a bug, and can be worked around).
-@option{combined} imples both @option{srst_pulls_trst} and
-@option{trst_pulls_srst}. The default behaviour if no option given is
+@option{combined} implies both @option{srst_pulls_trst} and
+@option{trst_pulls_srst}. The default behavior if no option given is
@option{separate}.
The [@var{trst_type}] and [@var{srst_type}] parameters allow the
@@ -1498,7 +1497,7 @@
@itemize @bullet
@item @b{Debug Target} A tap can be used by a GDB debug target
@item @b{Flash Programing} Some chips program the flash via JTAG
-@item @b{Boundry Scan} Some chips support boundry scan.
+@item @b{Boundry Scan} Some chips support boundary scan.
@end itemize
@@ -1529,7 +1528,7 @@
the size of the IR.
@comment END REQUIRED
@end itemize
-An example of a FOOBAR Tap
+An example of a FOOBAR tap
@example
jtag newtap foobar tap -irlen 7 -ircapture 0x42 -irmask 0x55
@end example
@@ -1542,12 +1541,12 @@
@itemize @bullet
@item @b{-expected-id NUMBER}
@* By default it is zero. If non-zero represents the
-expected tap ID used when the Jtag Chain is examined. See below.
+expected tap ID used when the JTAG chain is examined. See below.
@item @b{-disable}
@item @b{-enable}
@* By default not specified the tap is enabled. Some chips have a
-jtag route controller (JRC) that is used to enable and/or disable
-specific jtag taps. You can later enable or disable any JTAG tap via
+JTAG route controller (JRC) that is used to enable and/or disable
+specific JTAG taps. You can later enable or disable any JTAG tap via
the command @b{jtag tapenable DOTTED.NAME} or @b{jtag tapdisable
DOTTED.NAME}
@comment END Optional
@@ -1562,22 +1561,22 @@
@* newtap is a sub command of the ``jtag'' command
@item @b{Big Picture Background}
@*GDB Talks to OpenOCD using the GDB protocol via
-tcpip. OpenOCD then uses the JTAG interface (the dongle) to
+TCP/IP. OpenOCD then uses the JTAG interface (the dongle) to
control the JTAG chain on your board. Your board has one or more chips
in a @i{daisy chain configuration}. Each chip may have one or more
-jtag taps. GDB ends up talking via OpenOCD to one of the taps.
+JTAG taps. GDB ends up talking via OpenOCD to one of the taps.
@item @b{NAME Rules}
@*Names follow ``C'' symbol name rules (start with alpha ...)
@item @b{TAPNAME - Conventions}
@itemize @bullet
@item @b{tap} - should be used only FPGA or CPLD like devices with a single tap.
-@item @b{cpu} - the main cpu of the chip, alternatively @b{foo.arm} and @b{foo.dsp}
+@item @b{cpu} - the main CPU of the chip, alternatively @b{foo.arm} and @b{foo.dsp}
@item @b{flash} - if the chip has a flash tap, example: str912.flash
@item @b{bs} - for boundary scan if this is a seperate tap.
-@item @b{jrc} - for jtag route controller (example: OMAP3530 found on Beagleboards)
+@item @b{jrc} - for JTAG route controller (example: OMAP3530 found on Beagleboards)
@item @b{unknownN} - where N is a number if you have no idea what the tap is for
@item @b{Other names} - Freescale IMX31 has a SDMA (smart dma) with a JTAG tap, that tap should be called the ``sdma'' tap.
-@item @b{When in doubt} - use the chip makers name in their data sheet.
+@item @b{When in doubt} - use the chip maker's name in their data sheet.
@end itemize
@item @b{DOTTED.NAME}
@* @b{CHIPNAME}.@b{TAPNAME} creates the tap name, aka: the
@@ -1591,12 +1590,12 @@
@item @b{Multi Tap Example}
@* This example is based on the ST Microsystems STR912. See the ST
document titled: @b{STR91xFAxxx, Section 3.15 Jtag Interface, Page:
-28/102, Figure 3: Jtag chaining inside the STR91xFA}.
+28/102, Figure 3: JTAG chaining inside the STR91xFA}.
@url{http://eu.st.com/stonline/products/literature/ds/13495.pdf}
@*@b{checked: 28/nov/2008}
-The diagram shows the TDO pin connects to the flash tap, flash TDI
+The diagram shows that the TDO pin connects to the flash tap, flash TDI
connects to the CPU debug tap, CPU TDI connects to the boundary scan
tap which then connects to the TDI pin.
@@ -1631,7 +1630,7 @@
@* @b{Removed: 28/nov/2008} This command has been removed and replaced
by the ``jtag newtap'' command. The documentation remains here so that
one can easily convert the old syntax to the new syntax. About the old
-syntax: The old syntax is positional, ie: The 3rd parameter is the
+syntax: The old syntax is positional, i.e.: The 3rd parameter is the
``irmask''. The new syntax requires named prefixes, and supports
additional options, for example ``-expected-id 0x3f0f0f0f''. Please refer to the
@b{jtag newtap} command for details.
@@ -1657,20 +1656,20 @@
@cindex JRC
@cindex route controller
-These commands are used when your target has a JTAG Route controller
-that effectively adds or removes a tap from the jtag chain in a
+These commands are used when your target has a JTAG route controller
+that effectively adds or removes a tap from the JTAG chain in a
non-standard way.
The ``standard way'' to remove a tap would be to place the tap in
bypass mode. But with the advent of modern chips, this is not always a
good solution. Some taps operate slowly, others operate fast, and
-there are other JTAG clock syncronization problems one must face. To
-solve that problem, the JTAG Route controller was introduced. Rather
-then ``bypass'' the tap, the tap is completely removed from the
+there are other JTAG clock synchronization problems one must face. To
+solve that problem, the JTAG route controller was introduced. Rather
+than ``bypass'' the tap, the tap is completely removed from the
circuit and skipped.
-From OpenOCD's view point, a JTAG TAP is in one of 3 states:
+From OpenOCD's point of view, a JTAG tap is in one of 3 states:
@itemize @bullet
@item @b{Enabled - Not In ByPass} and has a variable bit length
@@ -1685,15 +1684,15 @@
This command returns 1 if the named tap is currently enabled, 0 if not.
This command exists so that scripts that manipulate a JRC (like the
-Omap3530 has) can determine if OpenOCD thinks a tap is presently
-enabled, or disabled.
+OMAP3530 has) can determine if OpenOCD thinks a tap is presently
+enabled or disabled.
@page
@node Target Configuration
@chapter Target Configuration
-This chapter discusses how to create a GDB Debug Target. Before
-creating a ``target'' a JTAG Tap DOTTED.NAME must exist first.
+This chapter discusses how to create a GDB debug target. Before
+creating a ``target'' a JTAG tap DOTTED.NAME must exist first.
@section targets [NAME]
@b{Note:} This command name is PLURAL - not singular.
@@ -1701,8 +1700,8 @@
With NO parameter, this plural @b{targets} command lists all known
targets in a human friendly form.
-With a parameter, this pural @b{targets} command sets the current
-target to the given name. (ie: If there are multiple debug targets)
+With a parameter, this plural @b{targets} command sets the current
+target to the given name. (i.e.: If there are multiple debug targets)
Example:
@verbatim
@@ -1722,7 +1721,7 @@
The TARGET command accepts these sub-commands:
@itemize @bullet
@item @b{create} .. parameters ..
-@* creates a new target, See below for details.
+@* creates a new target, see below for details.
@item @b{types}
@* Lists all supported target types (perhaps some are not yet in this document).
@item @b{names}
@@ -1768,8 +1767,8 @@
@b{Model:} The Tcl/Tk language has the concept of object commands. A
good example is a on screen button, once a button is created a button
-has a name (a path in TK terms) and that name is useable as a 1st
-class command. For example in TK, one can create a button and later
+has a name (a path in Tk terms) and that name is useable as a 1st
+class command. For example in Tk, one can create a button and later
configure it like this:
@example
@@ -1784,13 +1783,13 @@
@end example
In OpenOCD's terms, the ``target'' is an object just like a Tcl/Tk
-button. Commands avaialble as a ``target object'' are:
+button. Commands available as a ``target object'' are:
@comment START targetobj commands.
@itemize @bullet
@item @b{configure} - configure the target; see Target Config/Cget Options below
@item @b{cget} - query the target configuration; see Target Config/Cget Options below
-@item @b{curstate} - current target state (running, halt, etc)
+@item @b{curstate} - current target state (running, halt, etc.
@item @b{eventlist}
@* Intended for a human to see/read the currently configure target events.
@item @b{Various Memory Commands} See the ``mww'' command elsewhere.
@@ -1845,7 +1844,7 @@
via ``$_TARGETNAME configure'' see this example.
Syntactially, the option is: ``-event NAME BODY'' where NAME is a
-target event name, and BODY is a tcl procedure or string of commands
+target event name, and BODY is a Tcl procedure or string of commands
to execute.
The programmers model is the ``-command'' option used in Tcl/Tk
@@ -1865,9 +1864,9 @@
The following events are available:
@itemize @bullet
@item @b{debug-halted}
-@* The target has halted for debug reasons (ie: breakpoint)
+@* The target has halted for debug reasons (i.e.: breakpoint)
@item @b{debug-resumed}
-@* The target has resumed (ie: gdb said run)
+@* The target has resumed (i.e.: gdb said run)
@item @b{early-halted}
@* Occurs early in the halt process
@item @b{examine-end}
@@ -1889,7 +1888,7 @@
@item @b{gdb-flash-write-end}
@* After GDB writes to the flash
@item @b{gdb-start}
-@* Before the taret steps, gdb is trying to start/resume the tarfget
+@* Before the taret steps, gdb is trying to start/resume the target
@item @b{halted}
@* The target has halted
@item @b{old-gdb_program_config}
@@ -1960,7 +1959,7 @@
DOTTED.NAME, this name is also used to create the target object
command.
@item @b{TYPE}
-@* Specifies the target type, ie: arm7tdmi, or cortexM3. Currently supported targes are:
+@* Specifies the target type, i.e.: ARM7TDMI, or Cortex-M3. Currently supported targets are:
@comment START types
@itemize @minus
@item @b{arm7tdmi}
@@ -1978,8 +1977,7 @@
@comment end TYPES
@end itemize
@item @b{PARAMS}
-@*PARAMs are various target configure parameters, the following are mandatory
-at configuration:
+@*PARAMs are various target configuration parameters. The following ones are mandatory:
@comment START mandatory
@itemize @bullet
@item @b{-endian big|little}
@@ -2000,7 +1998,7 @@
@item @b{-work-area-size [ADDRESS]} specify/set the work area
@item @b{-work-area-backup [0|1]} does the work area get backed up
@item @b{-endian [big|little]}
-@item @b{-variant [NAME]} some chips have varients OpenOCD needs to know about
+@item @b{-variant [NAME]} some chips have variants OpenOCD needs to know about
@item @b{-chain-position DOTTED.NAME} the tap name this target refers to.
@end itemize
Example:
@@ -2013,14 +2011,14 @@
@}
@end example
-@section Target Varients
+@section Target Variants
@itemize @bullet
@item @b{arm7tdmi}
@* Unknown (please write me)
@item @b{arm720t}
-@* Unknown (please write me) (simular to arm7tdmi)
+@* Unknown (please write me) (similar to arm7tdmi)
@item @b{arm9tdmi}
-@* Varients: @option{arm920t}, @option{arm922t} and @option{arm940t}
+@* Variants: @option{arm920t}, @option{arm922t} and @option{arm940t}
This enables the hardware single-stepping support found on these
cores.
@item @b{arm920t}
@@ -2028,10 +2026,10 @@
@item @b{arm966e}
@* None (this is also used as the ARM946)
@item @b{cortex_m3}
-@* use variant <@var{-variant lm3s}> when debugging luminary lm3s targets. This will cause
+@* use variant <@var{-variant lm3s}> when debugging Luminary lm3s targets. This will cause
OpenOCD to use a software reset rather than asserting SRST to avoid a issue with clearing
the debug registers. This is fixed in Fury Rev B, DustDevil Rev B, Tempest, these revisions will
-be detected and the normal reset behaviour used.
+be detected and the normal reset behavior used.
@item @b{xscale}
@* Supported variants are @option{ixp42x}, @option{ixp45x}, @option{ixp46x},@option{pxa250}, @option{pxa255}, @option{pxa26x}.
@item @b{arm11}
@@ -2042,7 +2040,7 @@
OpenOCD to instead use an EJTAG software reset command to reset the
processor. You still need to enable @option{srst} on the reset
configuration command to enable OpenOCD hardware reset functionality.
-@comment END varients
+@comment END variants
@end itemize
@section working_area - Command Removed
@cindex working_area
@@ -2068,7 +2066,7 @@
@cindex Flash Configuration
@b{Note:} As of 28/nov/2008 OpenOCD does not know how to program a SPI
-flash that a micro may boot from. Perhaps you the reader would like to
+flash that a micro may boot from. Perhaps you, the reader, would like to
contribute support for this.
Flash Steps:
@@ -2081,7 +2079,7 @@
flash on your board.
@item GDB Flashing
@* Flashing via GDB requires the flash be configured via ``flash
-bank'', and the GDB flash features be enabled. See the Daemon
+bank'', and the GDB flash features be enabled. See the daemon
configuration section for more details.
@end enumerate
@@ -2175,16 +2173,16 @@
@subsection External Flash - cfi options
@cindex cfi options
-CFI flash are external flash chips - often they are connected to a
-specific chip select on the micro. By default at hard reset most
-micros have the ablity to ``boot'' from some flash chip - typically
-attached to the chips CS0 pin.
+CFI flashes are external flash chips - often they are connected to a
+specific chip select on the CPU. By default, at hard reset, most
+CPUs have the ablity to ``boot'' from some flash chip - typically
+attached to the CPU's CS0 pin.
For other chip selects: OpenOCD does not know how to configure, or
-access a specific chip select. Instead you the human might need to via
-other commands (like: mww) configure additional chip selects, or
+access a specific chip select. Instead you, the human, might need to
+configure additional chip selects via other commands (like: mww) , or
perhaps configure a GPIO pin that controls the ``write protect'' pin
-on the FLASH chip.
+on the flash chip.
@b{flash bank cfi} <@var{base}> <@var{size}> <@var{chip_width}> <@var{bus_width}>
<@var{target#}> [@var{jedec_probe}|@var{x16_as_x8}]
@@ -2194,11 +2192,11 @@
@var{chip_width} and @var{bus_width} are specified in bytes.
-The @var{jedec_probe} option is used to detect certain non-CFI flash roms, like AM29LV010 and similar types.
+The @var{jedec_probe} option is used to detect certain non-CFI flash ROMs, like AM29LV010 and similar types.
@var{x16_as_x8} ???
-@subsection Internal Flash (Micro Controllers)
+@subsection Internal Flash (Microcontrollers)
@subsubsection lpc2000 options
@cindex lpc2000 options
@@ -2230,7 +2228,7 @@
@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.
+@*The str9 needs the flash controller to be configured prior to Flash programming, e.g.
@example
str9x flash_config 0 4 2 0 0x80000
@end example
@@ -2239,17 +2237,17 @@
@subsubsection 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
+@*Before using the flash commands the turbo mode must be enabled 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. @xref{STR9 specific commands}.
-@subsubsection stellaris (LM3Sxxx) options
-@cindex stellaris (LM3Sxxx) options
+@subsubsection 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#}.
+@*Stellaris flash plugin only require the @var{target#}.
@subsubsection stm32x options
@cindex stm32x options
@@ -2283,12 +2281,12 @@
mflash bank pxa270 0x08000000 2 2 43 -1 51 0
@end example
-@section Micro Controller Specific Flash Commands
+@section Microcontroller specific flash 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
+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
@@ -2308,11 +2306,11 @@
@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
+@*enable turbo mode, will simply 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.
+@*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
@@ -2336,13 +2334,13 @@
Standard driver @option{str9x} programmed via the str9 core. Normally used for
flash programming as it is faster than the @option{str9xpec} driver.
@item
-Direct programming @option{str9xpec} using the flash controller, this is
+Direct programming @option{str9xpec} using the flash controller. This is an
ISC compilant (IEEE 1532) tap connected in series with the str9 core. The str9
core does not need to be running to program using this flash driver. Typical use
for this driver is locking/unlocking the target and programming the option bytes.
@end enumerate
-Before we run any cmds using the @option{str9xpec} driver we must first disable
+Before we run any commands using the @option{str9xpec} driver we must first disable
the str9 core. This example assumes the @option{str9xpec} driver has been
configured for flash bank 0.
@example
@@ -2363,7 +2361,7 @@
The above example will read the str9 option bytes.
When performing a unlock remember that you will not be able to halt the str9 - it
has been locked. Halting the core is not required for the @option{str9xpec} driver
-as mentioned above, just issue the cmds above manually or from a telnet prompt.
+as mentioned above, just issue the commands above manually or from a telnet prompt.
@subsection STR9 configuration
@cindex STR9 configuration
@@ -2373,7 +2371,7 @@
@cindex str9x flash_config
@*Configure str9 flash controller.
@example
-eg. str9x flash_config 0 4 2 0 0x80000
+e.g. str9x flash_config 0 4 2 0 0x80000
This will setup
BBSR - Boot Bank Size register
NBBSR - Non Boot Bank Size register
@@ -2433,12 +2431,12 @@
@end itemize
-@node General Commands
-@chapter General Commands
+@node General commands
+@chapter General commands
@cindex commands
The commands documented in this chapter here are common commands that
-you a human may want to type and see the output of. Configuration type
+you, as a human, may want to type and see the output of. Configuration type
commands are documented elsewhere.
Intent:
@@ -2446,10 +2444,10 @@
@item @b{Source Of Commands}
@* OpenOCD commands can occur in a configuration script (discussed
elsewhere) or typed manually by a human or supplied programatically,
-or via one of several Tcp/Ip Ports.
+or via one of several TCP/IP Ports.
@item @b{From the human}
-@* A human should interact with the Telnet interface (default port: 4444,
+@* A human should interact with the telnet interface (default port: 4444,
or via GDB, default port 3333)
To issue commands from within a GDB session, use the @option{monitor}
@@ -2457,7 +2455,7 @@
command. All output is relayed through the GDB session.
@item @b{Machine Interface}
-The TCL interface intent is to be a machine interface. The default TCL
+The Tcl interface's intent is to be a machine interface. The default Tcl
port is 5555.
@end itemize
@@ -2471,7 +2469,7 @@
@subsection shutdown
@cindex shutdown
-@*Close the OpenOCD daemon, disconnecting all clients (GDB, Telnet, Other).
+@*Close the OpenOCD daemon, disconnecting all clients (GDB, telnet, other).
@subsection debug_level [@var{n}]
@cindex debug_level
@@ -2480,13 +2478,13 @@
@subsection fast [@var{enable|disable}]
@cindex fast
-@*Default disabled. Set default behaviour of OpenOCD to be "fast and dangerous". For instance ARM7/9 DCC memory
+@*Default disabled. Set default behavior of OpenOCD to be "fast and dangerous". For instance ARM7/9 DCC memory
downloads and fast memory access will work if the JTAG interface isn't too fast and
the core doesn't run at a too low frequency. Note that this option only changes the default
and that the indvidual options, like DCC memory downloads, can be enabled and disabled
individually.
-The target specific "dangerous" optimisation tweaking options may come and go
+The target specific "dangerous" optimization tweaking options may come and go
as more robust and user friendly ways are found to ensure maximum throughput
and robustness with a minimum of configuration.
@@ -2503,7 +2501,7 @@
@subsection script <@var{file}>
@cindex script
@*Execute commands from <file>
-Also see: ``source [find FILENAME]''
+See also: ``source [find FILENAME]''
@section Target state handling
@subsection power <@var{on}|@var{off}>
@@ -2516,8 +2514,8 @@
@cindex reg
@*Access a single register by its number[@option{#}] or by its [@option{name}].
No arguments: list all available registers for the current target.
-Number or name argument: display a register
-Number or name and value arguments: set register value
+Number or name argument: display a register.
+Number or name and value arguments: set register value.
@subsection poll [@option{on}|@option{off}]
@cindex poll
@@ -2536,7 +2534,7 @@
@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.
+arg is given.
@subsection resume [@var{address}]
@cindex resume
@@ -2567,18 +2565,18 @@
@subsection soft_reset_halt
@cindex reset
-@*Requesting target halt and executing a soft reset. This often used
+@*Requesting target halt and executing a soft reset. This is often used
when a target cannot be reset and halted. The target, after reset is
released begins to execute code. OpenOCD attempts to stop the CPU and
-then sets the Program counter back at the reset vector. Unfortunatlly
-that code that was executed may have left hardware in an unknown
+then sets the program counter back to the reset vector. Unfortunately
+the code that was executed may have left the hardware in an unknown
state.
@section Memory access commands
@subsection meminfo
-display available ram memory.
-@subsection Memory Peek/Poke type commands
+display available RAM memory.
+@subsection Memory peek/poke type commands
These commands allow accesses of a specific size to the memory
system. Often these are used to configure the current target in some
special way. For example - one may need to write certian values to the
@@ -2586,7 +2584,7 @@
@enumerate
@item To change the current target see the ``targets'' (plural) command
-@item In system level scripts these commands are depricated, please use the TARGET object versions.
+@item In system level scripts these commands are deprecated, please use the TARGET object versions.
@end enumerate
@itemize @bullet
@@ -2610,7 +2608,7 @@
@*write memory byte (8bit)
@end itemize
-@section Image Loading Commands
+@section Image loading commands
@subsection load_image
@b{load_image} <@var{file}> <@var{address}> [@option{bin}|@option{ihex}|@option{elf}]
@cindex load_image
@@ -2621,18 +2619,18 @@
@cindex fast_load_image
@anchor{fast_load_image}
@*Normally you should be using @b{load_image} or GDB load. However, for
-testing purposes or when IO overhead is significant(OpenOCD running on embedded
-host), then storing the image in memory and uploading the image to the target
+testing purposes or when I/O overhead is significant(OpenOCD running on an embedded
+host), storing the image in memory and uploading the image to the target
can be a way to upload e.g. multiple debug sessions when the binary does not change.
-Arguments as @b{load_image}, but image is stored in OpenOCD host
+Arguments are the same as @b{load_image}, but the image is stored in OpenOCD host
memory, i.e. does not affect target. This approach is also useful when profiling
-target programming performance as IO and target programming can easily be profiled
-seperately.
+target programming performance as I/O and target programming can easily be profiled
+separately.
@subsection fast_load
@b{fast_load}
@cindex fast_image
@anchor{fast_image}
-@*Loads image stored in memory by @b{fast_load_image} to current target. Must be preceeded by fast_load_image.
+@*Loads an image stored in memory by @b{fast_load_image} to the current target. Must be preceeded by fast_load_image.
@subsection dump_image
@b{dump_image} <@var{file}> <@var{address}> <@var{size}>
@cindex dump_image
@@ -2643,7 +2641,7 @@
@b{verify_image} <@var{file}> <@var{address}> [@option{bin}|@option{ihex}|@option{elf}]
@cindex verify_image
@*Verify <@var{file}> against target memory starting at <@var{address}>.
-This will first attempt comparison using a crc checksum, if this fails it will try a binary compare.
+This will first attempt a comparison using a CRC checksum, if this fails it will try a binary compare.
@section Breakpoint commands
@@ -2663,21 +2661,22 @@
@*remove watchpoint <adress>
@end itemize
-@section Misc Commands
-@cindex Other Target Commands
+@section Misc commands
+@cindex Other target commands
@itemize
@item @b{profile} <@var{seconds}> <@var{gmon.out}>
-Profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC.
+Profiling samples the CPU's program counter as quickly as possible, which is useful for non-intrusive stochastic profiling.
+
@end itemize
-@section Target Specific Commands
-@cindex Target Specific Commands
+@section Target specific commands
+@cindex Target specific commands
@page
-@section Architecture Specific Commands
-@cindex Architecture Specific Commands
+@section Architecture specific commands
+@cindex Architecture specific commands
@subsection ARMV4/5 specific commands
@cindex ARMV4/5 specific commands
@@ -2700,7 +2699,7 @@
@cindex ARM7/9 specific commands
These commands are specific to ARM7 and ARM9 targets, like ARM7TDMI, ARM720t,
-ARM920t or ARM926EJ-S.
+ARM920T or ARM926EJ-S.
@itemize @bullet
@item @b{arm7_9 dbgrq} <@var{enable}|@var{disable}>
@cindex arm7_9 dbgrq
@@ -2711,13 +2710,13 @@
@anchor{arm7_9 fast_memory_access}
@*Allow 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.
+cables (FT2232), but might be unsafe if used with targets running at very low
+speeds, like the 32kHz startup clock of an AT91RM9200.
@item @b{arm7_9 dcc_downloads} <@var{enable}|@var{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
+unsafe, especially with targets running at very low speeds. This command was introduced
with OpenOCD rev. 60.
@end itemize
@@ -2749,7 +2748,7 @@
@option{reset} @option{undef} @option{swi} @option{pabt} @option{dabt} @option{reserved}
@option{irq} @option{fiq}.
-Can also be used on other arm9 based cores, arm966, arm920t and arm926ejs.
+Can also be used on other ARM9 based cores such as ARM966, ARM920T and ARM926EJ-S.
@end itemize
@subsection ARM966E specific commands
@@ -2773,8 +2772,8 @@
@*display/modify cp15 (interpreted access) <@option{opcode}> [@option{value}] [@option{address}]
@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).
+@*Print information about the caches found. This allows to see whether your target
+is an 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.
@@ -2792,8 +2791,8 @@
@*Translate a virtual address to a physical address.
@end itemize
-@subsection ARM926EJS specific commands
-@cindex ARM926EJS specific commands
+@subsection ARM926EJ-S specific commands
+@cindex ARM926EJ-S specific commands
@itemize @bullet
@item @b{arm926ejs cp15} <@var{num}> [@var{value}]
@@ -2845,8 +2844,8 @@
encoding of the [M4:M0] bits of the PSR.
@end itemize
-@section Target Requests
-@cindex Target Requests
+@section Target requests
+@cindex Target requests
OpenOCD can handle certain target requests, currently debugmsg are only supported for arm7_9 and cortex_m3.
See libdcc in the contrib dir for more details.
@itemize @bullet
@@ -2857,13 +2856,13 @@
@node JTAG Commands
@chapter JTAG Commands
-@cindex JTAG commands
+@cindex JTAG Commands
Generally most people will not use the bulk of these commands. They
are mostly used by the OpenOCD developers or those who need to
directly manipulate the JTAG taps.
In general these commands control JTAG taps at a very low level. For
-example if you need to control a JTAG Route Controller (ie: the
+example if you need to control a JTAG Route Controller (i.e.: the
OMAP3530 on the Beagle Board has one) you might use these commands in
a script or an event procedure.
@section Commands
@@ -2943,27 +2942,27 @@
@node TFTP
@chapter TFTP
@cindex TFTP
-If OpenOCD runs on an embedded host(as ZY1000 does), then tftp can
-be used to access files on PCs(either developer PC or some other PC).
+If OpenOCD runs on an embedded host(as ZY1000 does), then TFTP can
+be used to access files on PCs (Either the developer's PC or some other PC).
The way this works on the ZY1000 is to prefix a filename by
-"/tftp/ip/" and append the tftp path on the tftp
-server(tftpd). E.g. "load_image /tftp/10.0.0.96/c:\temp\abc.elf" will
+"/tftp/ip/" and append the TFTP path on the TFTP
+server (tftpd). E.g. "load_image /tftp/10.0.0.96/c:\temp\abc.elf" will
load c:\temp\abc.elf from the developer pc (10.0.0.96) into memory as
if the file was hosted on the embedded host.
-In order to achieve decent performance, you must choose a tftp server
-that supports a packet size bigger than the default packet size(512 bytes). There
-are numerous tftp servers out there(free and commercial) and you will have to do
+In order to achieve decent performance, you must choose a TFTP server
+that supports a packet size bigger than the default packet size (512 bytes). There
+are numerous TFTP servers out there (free and commercial) and you will have to do
a bit of googling to find something that fits your requirements.
-@node Sample Scripts
-@chapter Sample Scripts
+@node Sample scripts
+@chapter Sample scripts
@cindex scripts
This page shows how to use the target library.
-The configuration script can be divided in the following section:
+The configuration script can be divided into the following sections:
@itemize @bullet
@item daemon configuration
@item interface
@@ -2993,14 +2992,14 @@
@cindex Connecting to GDB
@anchor{Connecting to GDB}
Use GDB 6.7 or newer with OpenOCD if you run into trouble. For
-instance 6.3 has a known bug where it produces bogus memory access
+instance GDB 6.3 has a known bug that produces bogus memory access
errors, which has since been fixed: look up 1836 in
@url{http://sourceware.org/cgi-bin/gnatsweb.pl?database=gdb}
@*OpenOCD can communicate with GDB in two ways:
@enumerate
@item
-A socket (tcp) connection is typically started as follows:
+A socket (TCP) connection is typically started as follows:
@example
target remote localhost:3333
@end example
@@ -3016,14 +3015,14 @@
@end enumerate
@*To see a list of available OpenOCD commands type @option{monitor help} on the
-GDB commandline.
+GDB command line.
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.
+to be sent by the GDB remote server (i.e. OpenOCD) to GDB. Typical information includes
+packet size and the device's memory map.
Previous versions of OpenOCD required the following GDB options to increase
-the packet size and speed up GDB communication.
+the packet size and speed up GDB communication:
@example
set remote memory-write-packet-size 1024
set remote memory-write-packet-size fixed
@@ -3035,25 +3034,25 @@
@section Programming using GDB
@cindex Programming using GDB
-By default the target memory map is sent to GDB, this can be disabled by
-the following OpenOCD config option:
+By default the target memory map is sent to GDB. This can be disabled by
+the following OpenOCD configuration option:
@example
gdb_memory_map disable
@end example
-For this to function correctly a valid flash config must also be configured
+For this to function correctly a valid flash configuration must also be set
in OpenOCD. For faster performance you should 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
+flash areas of the target and use hardware breakpoints by default. This means
that the OpenOCD option @option{gdb_breakpoint_override} is not required when
using a memory map. @xref{gdb_breakpoint_override}.
-To view the configured memory map in GDB, use the gdb command @option{info mem}
-All other unasigned addresses within GDB are treated as RAM.
+To view the configured memory map in GDB, use the GDB command @option{info mem}
+All other unassigned addresses within GDB are treated as RAM.
-GDB 6.8 and higher set any memory area not in the memory map as inaccessible,
-this can be changed to the old behaviour by using the following GDB command.
+GDB 6.8 and higher set any memory area not in the memory map as inaccessible.
+This can be changed to the old behavior by using the following GDB command
@example
set mem inaccessible-by-default off
@end example
@@ -3066,7 +3065,7 @@
will be used.
If the target needs configuring before GDB programming, an event
-script can be executed.
+script can be executed:
@example
$_TARGETNAME configure -event EVENTNAME BODY
@end example
@@ -3074,11 +3073,11 @@
To verify any flash programming the GDB command @option{compare-sections}
can be used.
-@node TCL scripting API
-@chapter TCL scripts
-@cindex TCL scripting API
-@cindex TCL scripts
-@section API Rules
+@node Tcl scripting API
+@chapter Tcl scripts
+@cindex Tcl scripting API
+@cindex Tcl scripts
+@section API rules
The commands are stateless. E.g. the telnet command line has a concept
of currently active target, the Tcl API proc's take this sort of state
@@ -3115,36 +3114,36 @@
Lists returned must be relatively small. Otherwise a range
should be passed in to the proc in question.
-@section Internal Low Level Commands
+@section Internal low-level Commands
-By Low level, the intent is a human would not directly use these commands.
+By low-level, the intent is a human would not directly use these commands.
-Low level commands are (should be) prefixed with "openocd_", e.g. openocd_flash_banks
+Low-level commands are (should be) prefixed with "openocd_", e.g. openocd_flash_banks
is the low level API upon which "flash banks" is implemented.
@itemize @bullet
@item @b{ocd_mem2array} <@var{varname}> <@var{width}> <@var{addr}> <@var{nelems}>
-Read memory and return as a TCL array for script processing
+Read memory and return as a Tcl array for script processing
@item @b{ocd_array2mem} <@var{varname}> <@var{width}> <@var{addr}> <@var{nelems}>
-Convert a TCL array to memory locations and write the values
+Convert a Tcl array to memory locations and write the values
@item @b{ocd_flash_banks} <@var{driver}> <@var{base}> <@var{size}> <@var{chip_width}> <@var{bus_width}> <@var{target}> [@option{driver options} ...]
Return information about the flash banks
@end itemize
OpenOCD commands can consist of two words, e.g. "flash banks". The
-startup.tcl "unknown" proc will translate this into a tcl proc
+startup.tcl "unknown" proc will translate this into a Tcl proc
called "flash_banks".
-@section OpenOCD specific Global Variables
+@section OpenOCD specific global variables
@subsection HostOS
-Real TCL has ::tcl_platfo...
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