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* xscale: stackframe corruption bugfixDavid Brownell2009-10-131-36/+18
| | | | | | | | | | | Resolve a "FIX" comment; yes that was superfluous given that the JTAG core does that check by default. It was also buggy since it wrote to a stack frame that went away before the write happened!! Other fixes: remove pointless malloc(); zero-init scan_field_t values wherever they appear; whitespace scrub; spelling fix. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* More error propagation fixes.Øyvind Harboe2009-10-122-5/+8
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* arm11 burst writes are now only enabled for writes larger than 1 word. ↵Øyvind Harboe2009-10-121-2/+11
| | | | Single word writes are frequently used from reset init scripts to non-memory peripherals.
* Retire arm11 no_increment. Intended for future expansion to read/write to ↵Øyvind Harboe2009-10-121-8/+22
| | | | ports. New arm11 commands would have to be added to exploit it.
* Propagate wDTR/rDTR failure immediately, otherwise it's followed up by ↵Øyvind Harboe2009-10-121-0/+1
| | | | timeout errors.
* Fix warning and improve error message upon burst transfer failureØyvind Harboe2009-10-121-3/+3
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* Fix bogus 'transfer errors' with arm11 'memwrite burst enable'. A regression ↵Øyvind Harboe2009-10-121-5/+5
| | | | introduced in b8103660fa36a77158bd77379572c09913d85c00
* simplify XScale debug handler installationDavid Brownell2009-10-124-42/+58
| | | | | | | | | | | | | | | | | | | Load the XScale debug handler from the read-only data section instead of from a separate file that can get lost or garbaged. This eliminates installation and versioning issues, and also speeds up reset handling a bit. Plus some minor bits of cleanup related to loading that handler: comments about just what this handler does, and check fault codes while writing it into the mini-icache. The only behavioral changes should be cleaner failure modes after errors during handler loading, and being a bit faster. NOTE: presumes GNU assembly syntax, with ".incbin"; and ELF, because of the syntax of the ".size" directive. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* more xscale cleanup (mostly removing JTAG hooks)David Brownell2009-10-122-88/+65
| | | | | | | | | | | | | | | | Streamline/shrink some needless JTAG stuff: - Use #defines for the JTAG instructions; they can't ever change - Remove an unused (!) shadow of tap->ir_length - Stop using a copy of target->tap - Don't bother saving the variant after sanity checking ir_length Also, make target_create() work as on other targets: build the register cache later, making init_target() no longer be a NOP. Handle malloc failure; remove a comment that was obsoleted by the not-so-new target syntax. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Merge commit 'origin/master'Øyvind Harboe2009-10-127-287/+300
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| * xscale_load_ic cleanupDavid Brownell2009-10-111-16/+16
| | | | | | | | | | | | | | | | Remove unused and deprecated (in the arch spec) mode for loading code into the *main* icache (vs the "mini" icache). Disable some extremely noisy (and rarely useful) low-level debug messages Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
| * xscale.c cleanupDavid Brownell2009-10-111-186/+197
| | | | | | | | | | | | | | | | | | Declare almost everything as static. Move stuff to remove most forward references. Remove most forward declarations. Warn if the unimplemented register functions get called. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
| * xscale bugfix to handler loadingDavid Brownell2009-10-111-2/+2
| | | | | | | | | | | | | | | | | | Just fill out the rest of the cache line with NOPs; don't change the record of how much data we consumed. Otherwise the count of how much data is left can roll over from positive to negative ("VERY positive") and skip the loop termination of zero. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
| * xscale minor cleanupDavid Brownell2009-10-111-43/+31
| | | | | | | | | | | | | | | | | | | | | | | | Add a header comment referencing useful XScale specs. Make most data static, and the tables readonly. Scrub extra blank lines. Return fault codes from one routine. Remove a needless NOP methood. (BUGFIX) When we update R0, mark R0 as dirty/valid ... not R15/PC! Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
| * printf format warning fixesDavid Brownell2009-10-106-33/+38
| | | | | | | | | | | | Observed on a Cygwin build. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
| * add documentation about reset customizationDavid Brownell2009-10-091-10/+19
| | | | | | | | | | | | | | | | | | | | 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>
* | If halt times out, stop GDB. Allows e.g. manual reset via monitor commands.Øyvind Harboe2009-10-123-3/+43
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* Stop debug session if halt failsØyvind Harboe2009-10-091-1/+6
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* ARM11 error checkingØyvind Harboe2009-10-093-52/+119
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* add overridable Tcl "init_reset"David Brownell2009-10-081-8/+22
| | | | | | | | | | | This abstracts the "jtag arp_init-reset" call into a method called from OpenOCD startup and reset processing. Platforms which have different requirements for how such hard resets must be performed can now override "init_reset" instead of needing to rebuild custom hacked versions of the server. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* minor JTAG init messaging tweaksDavid Brownell2009-10-081-2/+4
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* prevent abort via polling during jtag_resetDavid Brownell2009-10-083-9/+51
| | | | | | | | | | | | | Observed: openocd: core.c:318: jtag_checks: Assertion `jtag_trst == 0' failed. The issue was that nothing disabled background polling during calls from the TCL shell to "jtag_reset 1 1". Fix by moving the existing poll-disable mechanism to the JTAG layer where it belongs, and then augmenting it to always pay attention to TRST and SRST. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Stop ignoring most scan chain validation errorsDavid Brownell2009-10-082-15/+50
| | | | | | | | | | | | | | | | Among other things this causes startup errors to kick in the fallback "reset harder" logic during server startup. Comments are also updated a bit, explaining what the various error paths signify (in at least my observation). There's one class of validation error that we can still plausibly ignore: when wrong IDCODE values are observed. This change seems to have helped make an OMAP5912 behave much more reliably. There's still some post-reset flakiness, but it's unrelated to scan verification. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Stop GDB when polling fails, srst assert or powerdropout is detectedØyvind Harboe2009-10-083-5/+25
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* Update copyright statements. Make it easier to sync with Jim TclØyvind Harboe2009-10-081-1/+4
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* Change most in-tree references from SVN to GIT.dbrownell2009-10-081-1/+3
| | | | | | | | | 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
* Force sane SRST and TRST initializationdbrownell2009-10-071-3/+11
| | | | | | | | | | | At least some FT2232 based adapters don't necessarily come up in the expected state, with SRST and TRST disabled. Since other adapters could suffer the same problem, let's avoid needing to patch every driver and just force *all* adapters to initialize those values properly at server startup. git-svn-id: svn://svn.berlios.de/openocd/trunk@2824 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* Better fix for TAPs violating the JTAG spec for IR-Capture.dbrownell2009-10-071-16/+18
| | | | | | | | | | Instead of just assuming all IDCODE-deprived TAPs violate the JTAG spec (they don't!), just require TAPs with such problems to be declared with proper ircapture/irmask values. Example, with mask and value of zero. git-svn-id: svn://svn.berlios.de/openocd/trunk@2823 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* Remove much #ifdeffery around _DEBUG_JTAG_IO_ usage.dbrownell2009-10-073-42/+47
| | | | | | | Have DEBUG_JTAG_IO() always trigger necessary warnings. git-svn-id: svn://svn.berlios.de/openocd/trunk@2822 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* buildfixdbrownell2009-10-071-0/+1
| | | | git-svn-id: svn://svn.berlios.de/openocd/trunk@2821 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* Updates for "reset_config":dbrownell2009-10-073-18/+106
| | | | | | | | | | | - 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
* add timeouts and fix syntax error handling of mrc/mcr commands.oharboe2009-10-071-1/+2
| | | | git-svn-id: svn://svn.berlios.de/openocd/trunk@2815 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* add timeouts and fix syntax error handling of mrc/mcr commands.oharboe2009-10-071-18/+59
| | | | git-svn-id: svn://svn.berlios.de/openocd/trunk@2814 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* increase pause before reboot so web interface remains responsive when ↵oharboe2009-10-071-2/+2
| | | | | | issuing a reboot of zy1000 git-svn-id: svn://svn.berlios.de/openocd/trunk@2813 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* Do not check ir capture if there is no IDCODEoharboe2009-10-071-13/+16
| | | | git-svn-id: svn://svn.berlios.de/openocd/trunk@2812 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* 1.55 snapshotoharboe2009-10-071-1/+1
| | | | git-svn-id: svn://svn.berlios.de/openocd/trunk@2810 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* Change version labels to work better with GITdbrownell2009-10-072-3/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | - The guess-rev.sh script is now a tweaked version of "setlocalversion" as seen in Linux, U-Boot, and various other projects. When it finds source control support (git, hg, svn) it uses IDs from there. Else (specific to this project) it reports itself as "-snapshot", e.g. from gitweb. I verified this new "guess-rev.sh" script runs under Cygwin. - Also update the generic version strings to be like "0.3.0-dev" (during development) instead of the very long "0.3.0-in-development". These also show up in the PDF docs. For better tracking, we might eventually change these strings to include the version IDs too. - Change the startup banner version strings so they include the guess-rev output. Development and release versions with GIT will be like Open On-Chip Debugger 0.3.0-dev-00282-g7191a4f-dirty (2009-10-05-20:57) Open On-Chip Debugger 0.3.0 (2009-10-05-20:57) instead of the previous SVN-specific (even when using git-svn!) Open On-Chip Debugger 0.3.0-in-development (2009-10-05-01:39) svn:exported Open On-Chip Debugger 0.3.0 (2009-10-05-01:39) Release git-svn-id: svn://svn.berlios.de/openocd/trunk@2809 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* Dragonite has the same EICE affliction as feroceon.dbrownell2009-10-061-1/+2
| | | | | | | From: Nicolas Pitre <nico@fluxnic.net> git-svn-id: svn://svn.berlios.de/openocd/trunk@2807 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* Introduced jtag_init and "jtag arp_init" to allow target scripts more ↵oharboe2009-10-064-13/+37
| | | | | | control over how OpenOCD starts up and initializes the target. git-svn-id: svn://svn.berlios.de/openocd/trunk@2805 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* Improve jtag_validate_ircapture() diagnostics.dbrownell2009-10-051-8/+10
| | | | | | | | | | | Bugfix the error message so it shows the disliked value, and add a debug message showing each TAP's IR capture value, all N bits. This just changes diagnostics ... it still ignores the parameters given to us at TAP declaration time. git-svn-id: svn://svn.berlios.de/openocd/trunk@2801 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* Add a new JTAG "setup" event; use for better DaVinci ICEpick support.dbrownell2009-10-053-23/+43
| | | | | | | | | | | | | | | | | 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
* Minor cleanup to ARM926 debug entry:dbrownell2009-10-051-2/+6
| | | | | | | | | | | | - don't needlessly export this function - handle "case 0" debug method-of-entry better (silent by default) The "case 0" is a valid debug entry mode so it doesn't deserve the warning int now gets. But it probably means that OpenOCD confused itself somehow; or that it confused the ARM9EJS target. git-svn-id: svn://svn.berlios.de/openocd/trunk@2799 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* It is not possible to invalidate I-Cache on memory writes while the target ↵mlu2009-10-021-0/+3
| | | | | | is running git-svn-id: svn://svn.berlios.de/openocd/trunk@2795 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* Make sure that DSCR_DTR_RX is not full before writingmlu2009-10-021-0/+27
| | | | git-svn-id: svn://svn.berlios.de/openocd/trunk@2794 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* More error reporting in Cortex_a8 execute_opcodemlu2009-10-021-0/+6
| | | | git-svn-id: svn://svn.berlios.de/openocd/trunk@2793 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* Added asser_reset and deassert_reset for cortex_a8mlu2009-10-021-2/+2
| | | | git-svn-id: svn://svn.berlios.de/openocd/trunk@2792 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* Added asser_reset and deassert_reset for cortex_a8mlu2009-10-021-22/+56
| | | | git-svn-id: svn://svn.berlios.de/openocd/trunk@2791 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* Minor ETB and ETM bugfixes and doc updatesdbrownell2009-10-022-54/+82
| | | | | | | | | | | | | | | | | | | | | - 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
* ARMv7A: Report fault status registers when in Abort statemlu2009-10-011-0/+23
| | | | git-svn-id: svn://svn.berlios.de/openocd/trunk@2789 b42882b7-edfa-0310-969c-e2dbd0fdcd60
* Add DSCR_DTR_RX_FULL bit definemlu2009-09-301-0/+1
| | | | git-svn-id: svn://svn.berlios.de/openocd/trunk@2780 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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