Flash probing must succeed for e.g. gdb load and automatic
hardware/software breakpoints to work.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Clean up the jtag/tcl.c file, which was one of the biggest and
messiest ones in that directory. Do it by splitting out all the
generic adapter commands to a separate "adapter.c" file (leaving
the "tcl.c" file holding only JTAG utilities).
Also rename the little-used "jtag interface" to "adapter_name", which
should have been at least re-categorized earlier (it's not jtag-only).
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
The mips_m4k_assert_reset has now been restructured
so the variant ejtag_srst is not required anymore.
The ejtag software reset will be used if the target does not
have srst connected.
Remove ejtag_srst from docs.
Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
Globally rename "jtag_nsrst_assert_width" as "adapter_nsrst_assert_width",
and move it out of the "jtag" command group ... it needs to be used with
non-JTAG transports
Includes a migration aid (in jtag/startup.tcl) so that old user scripts
won't break. That aid should Sunset in about a year.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Globally rename "jtag_nsrst_delay" as "adapter_nsrst_delay", and move it
out of the "jtag" command group ... it needs to be used with non-JTAG
transports
Includes a migration aid (in jtag/startup.tcl) so that old user scripts
won't break. That aid should Sunset in about a year.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Globally rename "jtag_khz" as "adapter_khz", and move it out of the "jtag"
command group ... it needs to be used with non-JTAG transports
Includes a migration aid (in jtag/startup.tcl) so that old user scripts
won't break. That aid should Sunset in about a year. (We may want to
update it to include a nag message too.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
This includes a driver and matching config file. This support needs to be
enabled through the initial "configure" (use "--enable-buspirate").
Signed-off-by: Michal Demin <michaldemin@gmail.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
We'll need to be able to work with debug adapter interfaces (drivers)
even when they're not used for JTAG ... for example, while there are
multi-transport drivers which support JTAG *and* several other
transports (or just one more, like SWD) there are also adapters
with more limited goals (and no JTAG support at all).
Start decoupling the two concepts ("debug adapter driver", "jtag")
by having two command groups, which initialize separately.
This will help us support OpenOCD sessions using only non-JTAG
transports, in which JTAG commands should not be registered.
Update docs to mention that the JTAG, SVF, and XSVF commands
won't work without a JTAG transport.
Note that at least commands working with SRST are still inappropriately
coupled to JTAG ... inappropriate because (a) SRST is not part of the
JTAG standard, for all that many platforms (like ARM) expect it; and also
(b) because they're used with non-JTAG debug and programming interfaces,
too. They should perhaps become generic "interface" operations at some
point. (Similarly with the clock rate to be used by a given adapter.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Talk more about "debug adapters" instead of only "dongles". Not all
adapters are discrete widgets; some are integrated onto boards. If
we only talk about "dongles" we rule out many valid setups, and help
confuse some users (who may be using Dongle-free environments).
Also start bringing out the point that JTAG isn't the only transport
protocol, even though OpenOCD historically presumes "all is JTAG".
(Not all debug adapters are JTAG adapters, or JTAG-only adapters.)
Plus a few minor fixes (spelling etc) in the vicinity of those changes,
and updates about FT2232H clocking issues (they can go faster than the
older chips, and can support adaptive clocking).
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Move semihosting cmd to the arm cmd group.
Targets that support semihosting will setup the
setup_semihosting callback function.
Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
The Redbee USB is a small form-factor usb stick from Redwire, LLC
(www.redwirellc.com/store), built around a Freescale MC13224V
ARM7TDMI + 802.15.4 radio (plus antenna).
It includes an FT2232H for debugging, with Channel B connected to the
mc13224v's JTAG interface (unusual) and Channel A connected to UART1.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
The Redbee Econotag is an open hardware development kit from
Redwire, LLC (www.redwirellc.com/store), for the Freescale
MC13224V ARM7TDMI + 802.15.4 radio.
It includes both an MC13224V and an FT2232H (for JTAG and UART
support). It has flexible power supply options.
Additional features are:
- inverted-F pcb antenna
- 36 GPIO brought out to 0.1" pin header
(includes all peripheral pins)
- Reset button
- Two push buttons (on kbi1-5 and kbi0-4)
- USB-A connector, powered from USB
- up to 16V external input
- pads for optional buck inductor
- pads for optional 32.768kHz crystal
- 2x LEDS on TX_ON and RX_ON
[ dbrownell@users.sourceforge.net: shrink lines; texi ]
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Stellaris chips have a procedure for restoring the chip to
what's effectively the "as-manufactured" state, with all the
non-volatile memory erased. That includes all flash memory,
plus things like the flash protection bits and various control
words which can for example disable debugger access. clearly,
this can be useful during development.
Luminary/TI provides an MS-Windows utility to perform this
procedure along with its Stellaris developer kits. Now OpenOCD
users will no longer need to use that MS-Windows utility.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Specifically the Linux issue of needing "udev" rules, and MS-Windows
needing driver configuration.
Also, update the existing udev note to use the correct name of that
rules file in the source tree.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Sometimes MS-Windows users try to use filesystem names which include
the "#" character. That's generally unwise, since it begins Tcl
comments.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Not all cores and boards support adaptive clocking, so qualify
all advice to use it to depend on core and board support.
It's primarily ARM cores which support this; and many of the
newer ones (like Cortex-M series) don't.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Have the User's Guide and BUG handling notes both reference
the fact that we now have a bug database at SourceForge.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Remove long-obsolete text about "erase_check" affecting "flash info" output.
Move parts of that text to "protect_check", where it's still relevant; and
update the "flash info" description to mention the issue.
(This is still awkward. It might be best to make "protect_check" mirror
"erase_check" by dumping what it finds, so "flash info" doesn't dump any
potentially-stale cache info.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
The "-f" is a shortcut for "-c" ... and providing any "-c" options
means the "openocd.cfg" file isn't implicitly used. Both the User's
Guide and the manual page were weak on these points, which has led
to some confusion.
Also update the manual page to include highlights of the search path
mechanism, including the facts that it exists and that "-s" adds to it.
Stop saying only the current directory is involved; the OpenOCD
script library is quite significant.
(Missing: complete manpage coverage of the search path, including a
FILES section listing all components and saying where the script
library is found.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Highlight the needs to properly jumper development boards; to
make the OpenOCD configuration match the jumpering; and to have
a usable "reset-init" method when debugging early boot code.
Specific mention of the "ATX Mode" that seems useful on
many i.MX boards, forcing NAND boot.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Folk almost certainly want to have OpenOCD compute the checksum
when they modify the vector table. However, that almost guarantees
that "verify_image" will fail.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Identical to the existing 2412/2443 support except for the base address
and NFCONF value (bit 2 is reserved and should be written as 1 ref UM).
Tested on a s3c6410 board, but controller is identical in 6400/6410
except for 8bit MLC ECC support in 6410 which isn't supported by the
driver.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Capture various bits of useful information that have come up on the
list but haven't yet gotten into the documentation:
- Watchdog timers firing during JTAG debug need attention;
- Some chips have special registers to help JTAG debug;
- Cortex-M3 stepping example with IRQs and maskisr;
- Clarifications re adaptive clocking: not all ARMs do it, and
explain it a bit better.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Add a NOR flash mechanism where erase_address ranges can be padded
out to sector boundaries, triggering a diagnostic:
> flash erase_address 0x0001f980 16
address range 0x0001f980 .. 0x0001f98f is not sector-aligned
Command handler execution failed
in procedure 'flash' called at file "command.c", line 647
called at file "command.c", line 361
>
> flash erase_address pad 0x0001f980 16
Adding extra erase range, 0x0001f800 to 0x0001f97f
Adding extra erase range, 0x0001f990 to 0x0001fbff
erased address 0x0001f980 (length 16) in 0.095975s (0.163 kb/s)
>
This addresses what would otherwise be something of a functional
regression. An earlier version of the interface had a dangerous
problem: it would silently erase data outside the range it was
told to erase. Fixing that bug turned up some folk who relied on
that unsafe behavior. (The classic problem with interface bugs!)
Now they can get that behavior again. If they really need it,
just specify "pad".
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Based on notes from Tomek Cedro <tomek.cedro@gmail.com> and
Steve Franks <bahamasfranks@gmail.com>.
In the User's Guide, sort the list of operating systems reported
through Tcl with $ocd_HOSTOS ... and include FreeBSD.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
The "parport_port" commands generally don't *require* a port_number;
they're of the "apply any parameter, then print result" variety. Update
the User's Guide accordingly.
Some of those commands are intended to be write-once: parport_port,
and parport_cable. Say so.
Use proper EBNF for the parport_write_on_exit parameter.
Parport address 0xc8b8 is evidently mutant. Say so in the "parport.cfg"
file, to avoid breaking anyone with that mutant config. But update the
User's Guide to include a sane example for the LP2 port.
Finally document the "presto_serial" command.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Make "usage" messages use the same EBNF as the User's Guide;
no angle brackets. Improve and correct various helptexts.
Don't use "&function"; a function's name is its address.
Remove a couple instances of pointless whitespace; shrink a
few overlong lines; fix some bad indents.
Add TODO list entry re full support for NAND/NOR bank names.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Make "usage" messages use the same EBNF as the User's Guide;
no angle brackets. Improve and correct various helptexts.
Specifically for the port commands, clarify that the number
is optional, and omitting it causes the current number to be
displayed.
Don't use "&function"; a function's name is its address.
Remove a couple instances of pointless whitespace; shrink a
few overlong lines.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Usage messages should use the same EBNF as the User's Guide;
no angle brackets. Be more complete too ... some params were
missing. Improve and correct various helptexts.
Make user's guide refer to the NAND "driver" name, not the
controller name; that's a bit more precise.
Don't use "&function"; its name is its address. Line up struct
initializers properly. Remove some blank lines.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
The issues is on Win32, which ignores case in filesystem
and thus doesn't tolerate the quilt "patches" directory.
Rename, and add "patches" to .gitignore so that developers
can choose to use quilt for local patch management.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Usage syntax messages have the same EBNF as the User's Guide;
there should be no angle brackets in either place.
Fix the User's Guide to say where the magic CP15 bits are defined;
and add comments in case someone provides mcr/mrc methods.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Deprecate the "pass an instruction opcode" flavor of cp15
access in favor of the "arm mcr ..." and "arm mrc ..."
commands, which offer fewer ways to break things.
Use the same EBNF syntax in the code as for the user's guide.
Update User's Guide to say where to find those magic values
(which table in the ARM920 TRM).
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Deprecate the "pass an instruction opcode" flavor of cp15 access
in favor of the "arm mcr ..." and "arm mrc ..." commands, which
offer fewer ways to break things.
Use the same EBNF syntax in the code as for the user's guide.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Usage syntax messages have the same EBNF as the User's Guide;
there should be no angle brackets in either place.
Uupdate some helptext to be more accurate.
Fix the User's Guide in a few places to be more consistent (mostly
to use brackets not parentheses) and to recognize that parameter may
be entirely optional (in which case the command just displays output,
and changes nothing). Also reference NXP, not Philips, for LPC chips.
Don't use "&function"; functions are like arrays, their address
is their name.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Provide helptext which was sometimes missing; update some of it
to be more accurate.
Usage syntax messages have the same EBNF as the User's Guide;
there should be no angle brackets in either place.
Fix the User's Guide in a few places to be more consistent (mostly
to use brackets not parentheses) and to recognize that parameter may
be entirely optional (in which case the command just displays output,
and changes nothing). Also reference NXP, not Philips, for LPC chips.
Don't use "&function"; functions are like arrays, their address
is their name. Shrink some overlong lines.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Provide helptext which was sometimes missing; update some of it
to be more accurate.
Usage syntax messages have the same EBNF as the User's Guide;
there should be no angle brackets in either place.
Don't use "&function"; functions are like arrays, their address
is their name. Shrink some overlong lines, remove some empties.
Add a couple comments about things that should change: those
extra TCK cycles for MEM-AP reads are in the wrong place (that
might explain some problems we've seen); the DAP command tables
should be shared, not copied.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Most commands are usable only at runtime; so don't bother saying
that, it's noise. Moreover, tokens like EXEC are cryptic. Be
more clear: highlight only the commands which may (also) be used
during the config stage, thus matching the docs more closely.
There are
- Configuration commands (per documentation)
- And also some commands that valid at *any* time.
Update the docs to note that "help" now shows this mode info.
This also highlighted a few mistakes in command configuration,
mostly commands listed as "valid at any time" which shouldn't
have been. This just fixes ones I noted when sanity testing.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Remove useless space/tab at end of lines.
Remove spaces in indentation and replace with tab.
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Most of this patch updates documentation and comments for various
Luminary boards, supporting two bug fixes by helping to make sense
of the current mess:
- Recent rev C lm3s811 eval boards didn't work. They must use
the ICDI layout, which sets up some signals that the older
boards didn't need. This is actually safe and appropriate
for *all* recent boards ... so just make "luminary.cfg" use
the ICDI layout.
- "luminary-lm3s811.cfg", was previously unusable! No VID/PID;
and the wrong vendor string. Make it work, but reserve it
for older boards where the ICDI layout is wrong.
- Default the LM3748 eval board to "luminary.cfg", like the
other boards. If someone uses an external JTAG adapter, all
boards will use the same workaround (override that default).
The difference between the two FT2232 layouts is that eventually
the EVB layout will fail cleanly when asked to enable SWO trace,
but the ICDI layout will as cleanly be able to enable it. Folk
using "luminary.cfg" with Rev B boards won't see anything going
wrong until SWO support is (someday) added.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Resolve a regression when using newish automagic "write_image"
modes, by always padding to the end of affected sectors.
Also document some issues associated with those automagic options,
in the User's Guide and also some related code comments.
We might need similar padding at the *beginning* of some sectors,
but this is a minimalist fix for the problems which have currently
been reported (plus doc updates).
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
The 10-pin JTAG layout used with these adapters is used by
a variety of platforms including AVR.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
This creates the TCL interface for configuring an AT91SAM9 NAND flash
controller and implements the necessary functions to correctly work with
a NAND flash device connected to the chip. This includes updates to the
driver list and the Makefile.am to support building the driver and also
houses the documentation update in openocd.texi.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
In conjunction with manual register setup, this lets the ETM trigger
cause entry to debug state. It should make it easier to test and
bugfix the ETM code, by enabling non-trace usage and isolating bugs
specific to thef ETM support. (One current issue being that trace
data collection using the ETB doesn't yet behave.)
For example, many ARM9 cores with an ETM should be able to implement
four more (simple) breakpoints and two more (simple) watchpoints than
the EmbeddedICE supports. Or, they should be able to support complex
breakpoints, incorporating ETM sequencer, counters, and/or subroutine
entry/exit criteria int criteria used to trigger debug entry.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
This command was misplaced; it's not generic to all traceport drivers,
only the ETB supports this kind of configuration. So move it, and
update the relevant documentation.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Tweak the "scan_chain" output by removing column separators. Also
remove the "current instruction" state ... which changes constantly.
Now its style resembles the "targets" output, and can even fit on
one line in standard terminals and in the PDF docs.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Add a "-ignore-version" to "jtag newtap" which makes the IDCODE
comparison logic optionally ignore version differences.
Update the "scan_chain" command to illustrate this by showing
the "*" character instead of the (ignored) version nibble.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
When starting up, say how many hardware breakpoints and watchpoints
are available on various targets.
This makes it easier to tell GDB how many of those resources exist.
Its remote protocol currently has no way to ask OpenOCD for that
information, so it must configured by hand (or not at all).
Update the docs to mention this; remove obsolete "don't do this" info.
Presentation of GDB setup information is still a mess, but at least
it calls out the three components that need setup.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Add a brief "setup with no customization" note showing the
how easily things can work if standard OpenOCD config scripts
already exist. We've had some new users comment that this
information is needlessly hard to find, so that starting to
use OpenOCD is more difficult than it should be.
Plus describe a few other issues that come up when setting
up an OpenOCD server.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Rename the existing 'flash banks' implementation as 'flash list', and
replace the broken 'flash_banks' TCL wrapper with a new command handler.
Adds documentation for the new 'flash list' command in the user guide.
List it in the concept index, in the section about target software
changes a project might want to consider, and in the section about
debug messaging.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Semihosting enables code running on an ARM target to use the
I/O facilities on the host computer. The target application must
be linked against a library that forwards operation requests by
using the SVC instruction that is trapped at the Supervisor Call
vector by the debugger. The "hosted" library version provided
with CodeSourcery's Sourcery G++ Lite for ARM EABI is one example.
This is currently available for ARM9 processors, but any ARM
variant should be able to support this with little additional work.
Tested using binaries compiled with Sourcery G++ Lite 2009q1-161
and ARM RVCT 3.0.
[dbrownell@users.sourceforge.net: doc tweaks, NEWS]
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
This defines a "reset-assert" event and a supporting utility
routine, and documents both how targets should implement it
and how config scripts should use it. Core-specific updates
are needed to make this work.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Add $HOME/.openocd as the first default script search directory, allowing
the user to override the standard scripts.
Update the user guide with information on where OpenOCD expects to find
configuration files and scripts. Also fixed some minor formatting issues.
Add entry to NEWS as well.
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Remove two commands that were documented as "debug commands"
and where "you probably don't want to use this". We never
intended to support them, and at least one problem report
boiled down to using this when it shouldn't have been used.
Update the docs on the existing register commands to talk a
bit more about register access and cache behavior. (Those
debug commands existed largely to *bypass* the cache.) And
fix some minor doc goofs that snuck in with recent changes,
renaming "armv4_5" as "arm" and "arm9tdmi" as "arm9".
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Rename the "armv4_5" command prefix to straight "arm" so it makes
more sense for newer cores. Add a simple compatibility script.
Make sure all the commands give the same "not an ARM" diagnostic
message (and fail properly) when called against non-ARM targets.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Add the 'nand verify' command to perform a dump and fake-write
simultaneously, checking the read bits against those generated by the
write process. Appropriate user documentation for this command has
been added to the user guide as well.
The algorithm presently makes a relatively naive comparison. Some chips
that use ECC may not verify correctly using this implementation, but the
new documentation provides details about this limitation.
ARM11 and newer cores include updated ETM modules. Recognize
their version codes and some key config differences. Sanity
checked on an OMAP2, with an ETM11RV r0p1 (ETMv3.1).
This still handles only scan chain 6, with at most 128 registers.
Newer cores (mostly, Cortex) will need to use the DAP instead.
Note that the newer ETM modules don't quite fit the quirky config
model of the older ones ... having more port widths is easy, but
the modes aren't the same. That still needs to change.
Fix a curious bug ... how did the register cache NOT get saved??
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Add the khz and speed_div functions to the parport interface driver.
Add the parport_toggling_time function that tells the parport driver
how long (in nanoseconds) it takes for the hardware to toggle TCK.
[dbrownell@users.sourceforge.net: tweak doc for clarity, mention
multimeter, and whitespace fixes]
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Start switching MMU handling over to a more sensible scheme.
Having an mmu() method enables MMU-aware behaviors. Not having
one kicks in simpler ones, with no distinction between virtual
and physical addresses.
Currently only a handful of targets have methods to read/write
physical memory: just arm720, arm920, and arm926. They should
all initialize OK now, but the arm*20 parts don't do the "extra"
stuff arm926 does (which should arguably be target-generic).
Also simplify how target_init() loops over all targets by making
it be a normal "for" loop, instead of scattering its three parts
to the four winds.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
It's been about a year since these were deprecated and, in most
cases, removed. There's no point in carrying that documentation,
or backwards compatibility for "jtag_device" and "jtag_speed",
around forever. (Or a few remnants of obsolete code...)
Removed a few obsolete uses of "jtag_speed":
- The Calao stuff hasn't worked since July 2008. (Those Atmel
targets need to work with a 32KHz core clock after reset until
board-specific init-reset code sets up the PLL and enables a
faster JTAg clock.)
- Parport speed controls don't actually work (tops out at about
1 MHz on typical HW).
- In general, speed controls need to live in board.cfg files (or
sometimes target.cfg files), not interface.cfg ...
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Rename the "Drivers, Options, and Commands" sections to be
just "Driver List" matching the earlier reference. Add an
example of parallel CFI flash.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
The "$ocd_HOSTOS" variable was wrongly documented. Fix its
documentation, and its value on Linux.
Shrink a few of the too-long lines.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
The semantics of "-work-area-virt 0" (or phys) changed with
the patch to require specifying physical or virtrual work
area addresses. Specifying zero was previously a NOP. Now
it means that address zero is valid.
This patch addresses three related issues:
- MMU-less processors should never specify work-area-virt;
remove those specifications. Such processors include
ARM7TDMI, Cortex-M3, and ARM966.
- MMU-equipped processors *can* specify work-area-virt...
but zero won't be appropriate, except in mischievous
contexts (which hide null pointer exceptions).
Remove those specs from those processors too. If any of
those mappings is valid, someone will need to submit a
patch adding it ... along with a comment saying what OS
provides the mapping, and in which context. Example,
say "works with Linux 2.6.30+, in kernel mode". (Note
that ARM Linux doesn't map kernel memory to zero ...)
- Clarify docs on that "-virt" and other work area stuff.
Seems to me work-area-virt is quite problematic; not every
operating system provides such static mappings; if they do,
they're not in every MMU context...
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Highlight that the "-expected-id" probably comes from vendor
documentation, and that it *should* be used where possible.
Don't use ircapture/irmask in examples, to help discourage
use of those params when they're not required. Explain a
bit better about why/when those params get used.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Mention the autoprobing as a tool that may be useful when
figuring out how to set up; and add a section showing how
to use that mechanism (with an example).
Strengthen the differences between config and run stage
descriptions; add a section for the latter.
Mention Dragonite.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Bit 5 shouldn't be used. Remove all support for modifying it.
Matches the exception vector table, of course ... more than one
bootloader uses that non-vector to help distinguish valid boot
images from random garbage in flash.
The register names are perversely not documented as zero-indexed,
so rename them to match that convention. Also switch to lowercase
suffixes and infix numbering, matching ETB and EmbeddedICE usage.
Update docs to be a bit more accurate, especially regarding what
the "trigger" event can cause; and to split the issues into a few
more paragraphs, for clarity.
Make "configure" helptext point out that "oocd_trace" is prototype
hardware, not anything "real".
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
XSVF improvements:
- Layer parts of XSVF directly over SVF, calling svf_add_statemove()
instead of expecting jtag_add_statemove() to conform to the SVF/XSVF
requirements (which it doesn't).
This should improve XSTATE handling a lot; it removes most users of
jtag_add_statemove(), and the comments about how it should really do
what svf_add_statemove() does.
- Update XSTATE logic to be a closer match to the XSVF spec. The main
open issue here is (still) that this implementation doesn't know how
to build and submit paths from single-state transitions ... but now
it will report that error case.
- Update the User's Guide to mention the two utility scripts for
working with XSVF, and to mention the five extension opcodes.
Handling of state transition paths is, overall, still a mess. I think
they should all be specified as paths not unlike SVF uses, and compiled
to the bitstrings later ... so that we can actually make sense of the
paths. (And see the extra clocks, detours through RUN, etc.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
This makes the documentation a closer match to "help" output:
- "pathmove" somehow was not documented in the User's Guide
- "jtag_nsrst_assert_width" and "jtag_ntrst_assert_width"
are new; both needed descriptions.
- Removed two undocumented and fairly useless script mechanisms:
* production/production_info/production_test ... using it,
requires replacing everything; so having it adds no value.
* cpu ... way out of date; hopeless to keep that current
Note that anyone using that "production" stuff already defines
their own procedures, and can keep using them with no change.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Fix formatting and layout bugs in the new "translating configuration
files" bit. Make it a section within the chapter about config files.
Add a crossreference.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
We added two overridable procedures; document them, and the
two jtag arp_* operations they necessarily expose.
Update the comment about the jtag_init_reset() routine; it's
been obsolete for as long as it's had SRST support.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Also, talk about "mainline" not "trunk".
The release.txt and release.sh files need more updates.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2825 b42882b7-edfa-0310-969c-e2dbd0fdcd60
It had a very little bit of content; move that to the more extensive
chapter on config file guidelines, and give more current "ls" output
to show the available library code.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2820 b42882b7-edfa-0310-969c-e2dbd0fdcd60
- revert to previous default: don't talk JTAG during SRST
- add "srst_nogates" flag, the converse of "srst_gates_jtag"
- with no args, display the current configuration
And update the User's Guide text with bullet lists to be a bit more clear.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2818 b42882b7-edfa-0310-969c-e2dbd0fdcd60
The model is that this fires after scanchain verification, when it's
safe to call "jtag tapenable $TAPNAME". So it will fire as part of
non-error paths of "init" and "reset" command processing. However it
will *NOT* trigger during "jtag_reset" processing, which skips all
scan chain verification, or after verification errors.
ALSO:
- switch DaVinci chips to use this new mechanism
- log TAP activation/deactivation, since their IDCODEs aren't verified
- unify "enum jtag_event" scripted event notifications
- remove duplicative JTAG_TAP_EVENT_POST_RESET
git-svn-id: svn://svn.berlios.de/openocd/trunk@2800 b42882b7-edfa-0310-969c-e2dbd0fdcd60
- ETB
* report _actual_ hardware status, not just expected status
* add a missing diagnostic on a potential ETB setup error
* prefix any diagnostics with "ETB"
- ETM
* make "etm status" show ETM hardware status too, instead of
just traceport status (which previously was fake, sigh)
- Docs
* flesh out "etm tracemode" docs a bit
* clarify "etm status" ... previously it was traceport status
* explain "etm trigger_percent" as a *traceport* option
ETM+ETB tracing still isn't behaving, but now I can see that part of
the reason is that the ETB turns itself off almost immediately after
being enabled, and before collecting any data.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2790 b42882b7-edfa-0310-969c-e2dbd0fdcd60
- Commands were supposed to have been "arm11 memwrite ..."
not "memwrite ..."
- Get rid of obfuscatory macros
- Re-alphabetize
- Add docs for "arm11 vcr"
git-svn-id: svn://svn.berlios.de/openocd/trunk@2776 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Change the handling of the "-ircapture" and "-irmask" parameters
to be slightly more sensible, given that the JTAG spec describes
what is required, and that we already require that conformance in
one place. IR scan returns some bitstring with LSBs "01".
- First, provide and use default values that satisfy the IEEE spec.
Existing TAP configs will override the defaults, but those parms
are no longer required.
- Second, warn if any TAP gets set up to violate the JTAG spec.
It's likely a bug, but maybe not; else this should be an error.
Improve the related diagnostics to say which TAP is affected.
And associated minor fixes/cleanups to comments and diagnostics.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2758 b42882b7-edfa-0310-969c-e2dbd0fdcd60
only expose the registers which are actually present. They
could be missing for two basic reasons:
- This version might not support them at all; e.g. ETMv1.1
doesn't have some control/status registers. (My sample of
ARM9 boards shows all with ETMv1.3 support, FWIW.)
- The configuration on this chip may not populate as many
registers as possible; e.g. only two data value comparators
instead of eight.
Includes a bugfix in the "etm info" command: only one of the
two registers is missing on older silicon, so show the first
one before bailing.
Update ETM usage docs to explain that those registers need to be
written to configure what is traced, and that some ETM configs
are not yet handled. Also, give some examples of the kinds of
constrained trace which could be arranged.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2752 b42882b7-edfa-0310-969c-e2dbd0fdcd60
of a (NOR) flash chip: allow passing "last" as an alias
for the number of the last sector.
Improve several aspects of error checking while we're at it.
From: Johnny Halfmoon <jhalfmoon@milksnot.com>
git-svn-id: svn://svn.berlios.de/openocd/trunk@2746 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Highlight that the "post-reset" event kicks in before the
scan chain is validated, which limits what can be done
in a post-reset handler.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2745 b42882b7-edfa-0310-969c-e2dbd0fdcd60
done on exit from the config stage, how JTAG clocking issues can
trigger errors there, and how to avoid such problems.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2737 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Erase logic:
- command invocation
+ treat "nand erase N" (no offset/length) as "erase whole chip N"
+ catch a few more bogus parameter cases, like length == 0 (sigh)
- nand_erase() should be static
- on error
+ say which block failed, and if it was a bad block
+ don't give up after the first error; try to erase the rest
- on success, say which nand device was erased (name isn't unique)
Device list ("nand list"):
- say how many blocks there are
- split summary into two lines
- give example in the docs
Doc tweaks:
- Use @option{...} for DaVinci's supported hardware ECC options
For the record, I've observed that _sometimes_ erasing bad blocks causes
failure reports, and that manufacturer bad block markers aren't always
erasable (even when erasing their blocks doesn't trigger an error report).
git-svn-id: svn://svn.berlios.de/openocd/trunk@2724 b42882b7-edfa-0310-969c-e2dbd0fdcd60
- update comments to say so.
- update docs to clarify that the "arm9tdmi" command prefix
is a misnomer.
- bugfix some messages that wrongly assume only ARM9TDMI
based processors use this code.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2719 b42882b7-edfa-0310-969c-e2dbd0fdcd60
JTAG clocking by gating the core clock, and workarounds.
Most details are with the "halt" command, which is one
of the first places this issue will be noticed.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2718 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Fix docs on ARM11 MCR and MRC coprocessor commands:
correct read-vs-write; and describe the params.
(ARM920 and ARM926 have cp15-specific commands; this
approach is more generic. MCR2, MRC2, MCRR, MCRR2,
MRRC, and MRRC2 instructions could also get exposed.)
git-svn-id: svn://svn.berlios.de/openocd/trunk@2679 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Provide an "armv7a disassemble" command. Current omissions include
VFP (except as coprocessor instructions), Neon, and various Thumb2
opcodes that are not available in ARMv7-M processors.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2676 b42882b7-edfa-0310-969c-e2dbd0fdcd60
- Itemize the list of private customization examples
for openocd.cfg
- Add "override defaults" as a customization, specifically
for the work area (back it up or relocate it)
- Highlight some work area location issues
git-svn-id: svn://svn.berlios.de/openocd/trunk@2651 b42882b7-edfa-0310-969c-e2dbd0fdcd60
For ARMv4/ARMv5:
- better command parameter error checking
- don't require an instruction count; default to one
- recognize thumb function addresses
- make function static
- shorten some too-long lines
For Cortex-M3:
- don't require an instruction count; default to one
With the relevant doc updates.
---
Nyet done: invoke the thumb2 disassembler on v4/v5,
to better handle branch instructions.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2624 b42882b7-edfa-0310-969c-e2dbd0fdcd60
the values that are written in the mini-IC (plus documentation updates that
describe why this is needed).
git-svn-id: svn://svn.berlios.de/openocd/trunk@2613 b42882b7-edfa-0310-969c-e2dbd0fdcd60
issue with this is that the core debug support uses this
mechanism, then trashes its state over reset. Users can
Work around that (for now) by re-assigning the desired
config after reset.
Also fixes "target halted due to target-not-halted" goof.
When we can't describe the reason using OpenOCD's limited
vocabulary, say "reason undefined" instead of saying it's
not halted.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2588 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Add flash programming support for NXP LPC1700 cortex_m3 based family
git-svn-id: svn://svn.berlios.de/openocd/trunk@2579 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Initial support for disassembling Thumb2 code. This works only for
Cortex-M3 cores so far. Eventually other cores will also need Thumb2
support ... but they don't yet support any kind of disassembly.
- Update the 16-bit Thumb decoder:
* Understand CPS, REV*, SETEND, {U,S}XT{B,H} opcodes added
by ARMv6. (It already seems to treat CPY as MOV.)
* Understand CB, CBNZ, WFI, IT, and other opcodes added by
in Thumb2.
- A new Thumb2 instruction decode routine is provided.
* This has a different signature: pass the target, not the
instruction, so it can fetch a second halfword when needed.
The instruction size is likewise returned to the caller.
* 32-bit instructions are recognized but not yet decoded.
- Start using the current "UAL" syntax in some cases. "SWI" is
renamed as "SVC"; "LDMIA" as "LDM"; "STMIA" as "STM".
- Define a new "cortex_m3 disassemble addr count" command to give
access to this disassembly.
Sanity checked against "objdump -d" output; a bunch of the new
instructions checked out fine.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2530 b42882b7-edfa-0310-969c-e2dbd0fdcd60
on ARM9 cores, and update the DaVinci config files so they
no longer explicitly specify it.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2484 b42882b7-edfa-0310-969c-e2dbd0fdcd60
reading the output, and both were reported in openocd.log
after making the PDF.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2449 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Add some text to introduce the project to new users.
Move packaging, configuration, and compilation of OpenOCD out of
the User's Guide and into README, where it can be used by users
before configuring and compiling the documentation.
Improve notes about required Subversion repository build steps.
Add reference to the standard GNU INSTALL file.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2436 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This patch adds support for the Luminary Micro LM3S9B90 target and
LM3S9B92 Evaluation Kit. These kits include a new ft2232 adapter, the
Luminary In-Circuit Debug Interface (ICDI) Board, so this is added as a
new ft2232 layout called "luminary_icdi".
git-svn-id: svn://svn.berlios.de/openocd/trunk@2429 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Add "jtag names" command, mirroring "target names" but returning
TAP names instead of target names. This starts letting TAPs be
manipulated in scripts ... much like what works now for targets.
It's a bit limited just yet, since "jtag cget $TAPNAME" doesn't
expose all TAP attributes. "$TARGETNAME cget" is more functional.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2428 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Warn when people (or scripts) use numeric identifiers for TAPs,
instead of dotted.name values. We want this usage to go away,
so that for example adding more TAPs doesn't cause config scripts
to break because some sequence number changed.
It's been deprecated since late 2008, but putting a warning on
this should help us remove it (say, in June 2010) by helping to
phase out old (ab)usage in config scripts.
Other than in various config files, the only code expecting such
a number was the almost unused str9xpec driver. This code was
changed to use the TAP it was passed, instead of making its own
dubious lookup and ignoring that TAP.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2415 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Minor fixup to the User's Guide, primarily related to the
handful of commands defined in "startup.tcl"; "help" was
not previously documented.
Also, be more consistent about "Config Command" definitions
(and to be explicit about that doc convention).
git-svn-id: svn://svn.berlios.de/openocd/trunk@2414 b42882b7-edfa-0310-969c-e2dbd0fdcd60
and some formatting issues with sam7 and stm32 keyword params.
Tweak at91sam3 docs. Remove ninth nibble from flash bank addresses,
clarify "at91sam3 show" variants and that the flash bank layout is
not needed as a parameter (unlike with sam7); formatting fixes.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2400 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Move the short chapter about JIM-Tcl earlier, so that we
can reasonably assume it's been introduced before we start
presenting things that presume such an introduction.
Plus a few minor typo-level fixes.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2355 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This should be my last significant update of the User's Guide for
this release. Mostly it's a rework of the config file chapter's
presentation of board and target config files.
- Give the new path for scripts!
- Move board-config material out of the target-config section
- Add more board-config info, notably for reset-init events
- Link out of the board-config section to NAND, NOR, and Reset chapters
- Emphasize target input vs. output naming conventions
- Other textual improvements
Plus some other updates, like adding my copyright (now that I've
basically rewritten much of this).
git-svn-id: svn://svn.berlios.de/openocd/trunk@2354 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This is minimal patch to support FA526 ARMv4 compatible core.
Since it is very similar to ARM920T I tried to reuse as much
code as possible.
CPU and board configs will follow soon.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2292 b42882b7-edfa-0310-969c-e2dbd0fdcd60
The PLD stuff hasn't been documented yet. It's just Virtex2 for now,
but it looks like adding others would be easy.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2273 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Various bits of cleanup, mostly to match the style hints
I just got around to writing up.
- Various @cindex improvements
- Cross reference the command line options in a few spots,
notably for @command{debug_level}
- Clean the config file guidelines a bit:
* They're for all users, not just integrators
* Reference the interface config chapter
* Don't emphasize command line usage here
* Tweak board and target config introductory text
Plus two minor bits of cleanup: remove most date references,
and refer to the reader as "you" not "the user".
git-svn-id: svn://svn.berlios.de/openocd/trunk@2271 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Distributing FTDI's "ftd2xx" library with OpenOCD violates the
OpenOCD license (GNU GPLv2 with no exceptions).
Make that clear where that build option is presented, and don't
describe the FTDI libraries as an option for any packager. (It's
fine for personal use, of course.)
Plus some related clarifications: libftdi version 0.16 for the
new FT2232H chips (for RTCK and high speed USB); the Amontec
drivers are just ftd2xx variants.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2248 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Øyvind Harboe
David Brownell
Spencer Oliver
Michal Demin
Mariano Alvira
Peter Korsgaard
Antonio Borneo
Catalin Patulea
Dean Glazeski
mkdorg@users.sourceforge.net
Zachary T Welch
Nicolas Pitre
Marek Vasut
Andreas Fritiofson
Jonas Horberg
dbrownell
oharboe
ntfreak
zwelch
duane