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* XScale: context restore, cleanup/bugfixDavid Brownell2009-11-301-15/+29
| | | | | | | | | | | | | | This "loop over all registers" routine shared the same mess as full_context() in terms of dozens of needless number_to_mode() calls. Fix that, and comments, with related cleanup. The misnamed xscale_restore_context() had a related bug. It was restoring the *WRONG REGISTERS* ... always from whatever the current mode was, instead of using the copy from whichever register bank it was trying to restore. (But it marked the intended register as having been restored...) Fixed that. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* do not extern 'interp' from command.cZachary T Welch2009-11-302-5/+7
| | | | | Adds 'interp' field to command_context, chasing the few remaining references to the global variable outside of the command module.
* target: avoid using interp global variableZachary T Welch2009-11-302-9/+11
| | | | | Adds 'interp' to target_event_action structure to avoid using the global variable of the same name.
* XScale: clean up full_context() (#2)David Brownell2009-11-291-39/+30
| | | | | | | Streamline the loop by continuing as soon as we know there's no work to be done; this lets us un-indent almost everything. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* XScale: clean up full_context() (#1)David Brownell2009-11-291-17/+32
| | | | | | | | | When fetching all the registers, XScale was doing various stupid things like calling number_to_mode() a few dozen times instead of just once, and mapping access to each register three times (again, instead of just once). Stop that. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* XScale: debug entry uses new register mappingDavid Brownell2009-11-291-9/+10
| | | | | | | | Use the new mapping interfaces in the debug entry path. SPSR and the banked registers now have smaller and faster accessors ... use them. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* XScale: initial PXA3xx supportMarek Vasut2009-11-292-11/+39
| | | | | | [dbrownell@users.sourceforge.net: user's guide; variant param is optional] Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM11: fix warning on cygwinDavid Brownell2009-11-291-9/+22
| | | | | | Previous version of JTAG_DEBUG() macro hid this bug. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Cortex-M3: don't chain "struct arm" commandsDavid Brownell2009-11-281-3/+0
| | | | | | | | | | | | Those commands presume support for the "classic" set of CPU modes (FIQ, supervisor, IRQ, etc) ... which aren't supported by the ARMv7-M or ARMv6-M architectures. They also presume a "struct arm" base type, which this code doesn't use. We haven't cleaned up the register handling enough to be able to share any of those "base" methods. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* add more stub handlers to testee targetZachary T Welch2009-11-281-2/+22
| | | | Prevent everything from crashing when exercising various commands.
* explode tcl_target_func into many handlersZachary T Welch2009-11-281-387/+521
| | | | | | | | Eliminate the monolithic tcl_target_func by registering each of its commands using the new chained command registration mechanism. Also chains the target's commands under the CPU command, though these may not work properly without some further modification.
* split jim_target into multiple handlersZachary T Welch2009-11-281-109/+137
| | | | | | | | The 'target' command group was implemented using its own command dispatching, which can be eliminated by using the new chained command registration mechanism. This patch splits the jim_target() function into individual handlers, which makes them to be visible to the help and usage commands. These one-trick handlers are much easier to understand.
* ARM11: fix warning on amd64David Brownell2009-11-281-1/+4
| | | | | | Previous version of JTAG_DEBUG() macro hid this bug. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM11: fix dbgtap JTAG_DEBUGDavid Brownell2009-11-281-2/+2
| | | | | | | There is no DEBUG() macro; don't call one! Always at least *parse* debug code, to help prevent such errors. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target: uplevel add_{break,watch}point() error checksDavid Brownell2009-11-286-38/+23
| | | | | | | | | | | | | | | | | | | | | | | | In target_type.h it's documented that the target must be halted for add_breakpoint() ... and with slight ambiguity, also for its add_watchpoint() sibling. So rather than verifying that constraint in the CPU drivers, do it in the target_add_{break,watch}point() routines. Add minor paranoia on the remove_*point() paths too: save the return value, and print it out in in the LOG_DEBUG message in case it's nonzero. Note that with some current cores, like all ARMv7 ones I've looked at, there's no technical issue preventing watchpoint or breakpoint add/remove operations on active cores. This model seems deeply wired into OpenOCD though. ALSO: the ARM targets were fairly "good" about enforcing that constraint themselves. The MIPS ones were relied on other code to catch such stuff, but it's not clear such code existed ... keep an eye out for new issues on MIPS. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target: remove unused TARGET_EVENT_OLD_* symbolsDavid Brownell2009-11-281-2/+0
| | | | | | Just two *_OLD_* symbols left... Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Cortex-A8: support "reset-assert" eventDavid Brownell2009-11-271-5/+28
| | | | | | | | | | | | | | Use the new "reset-assert" event; else SRST; else fail. Tested on an OMAP3, using the event. NOTE: still doesn't handle "reset halt". For some reason neither VCR nor PRCR seemed effective; they held the value that was written, but VCR didn't trigger debug entry when the reset vector fired (maybe the vector needs configuring?) and PRCR refused to hold the chip in reset until deassert() could force the core into debug state. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target: groundwork for "reset-assert" eventDavid Brownell2009-11-272-3/+21
| | | | | | | | | 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>
* ARM11: write_memory() avoids increment checkDavid Brownell2009-11-271-9/+19
| | | | | | | | | | | | When writing to a chip's "reset yourself" register, the ARM11 code was reporting a spurious failure. Just don't bother checking for correctly incremented pointers given single-unit writes ... it's a bit faster that way too. (Reads should likely do the same thing. For that matter, such checks are usually just a waste...) Shrink an overlong parameter name, and associated lines'o'code. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* XScale: add stub {read,write}_phys routinesDavid Brownell2009-11-261-0/+20
| | | | | | | | | Just make these fail, instead of letting them write over potentially random memory. Users should be able to work around the lack of real implementations by disbling the MMU by hand ... until someone provides a Real Fix. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target: create and use target_name()David Brownell2009-11-254-19/+29
| | | | | | | | | | | | | Several of the sites now using target_type_name() really ought to be using an instance-specific name. Create a function called target_name(), accessing the instance's own (command) name. Use it in several places that really should be displaying instance-specific names. Also in several places which were already doing so, but which had no wrapper to call. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target: target_get_name() --> target_type_name()David Brownell2009-11-256-15/+24
| | | | | | | | | | | | | There are two names that may matter on a per-target basis. One is a per-instance name (for example, "at91sam7s.cpu"). The other is the name of its type (for example, "arm7tdmi"), which is shared among multiple targets. Currently target_get_name() returns the type name, which is misleading and is rarely appropriate for target diagnostics. Rename that as target_type_name(). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: minor armv4/armv5 cleanupDavid Brownell2009-11-251-1/+12
| | | | | | Lines of 300+ characters are still bad; debug tweaks. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: comment tweaks in ADIv5David Brownell2009-11-251-2/+5
| | | | | | "OptimoDE DESS" is ARM's semicustom DSPish stuff. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM7/9: shrink run_algorithm_inner() linesDavid Brownell2009-11-251-2/+10
| | | | | | 300+ characters is unreasonable. So is half that. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* use ARRAY_SIZE macroZachary T Welch2009-11-255-24/+24
| | | | | Search and destroy lingering cases where the ARRAY_SIZE macro should be used to convey more intrinsic meaning in the OpenOCD code.
* add 'testee' target typeZachary T Welch2009-11-253-1/+52
| | | | | | | Alliteration aside, this should provide the final piece of the puzzle for developers that want to get started writing a new target type. In this way, it also seeks to complement the 'dummy' interface driver and 'faux' NOR flash driver.
* add jim_handler to command_registrationZachary T Welch2009-11-241-23/+45
| | | | | | Adding jim_handler field to command_registration allows removing the register_jim helper. All command registrations now go through the register_command{,s}() functions.
* remove register_commands from etm_capture_driverZachary T Welch2009-11-245-31/+17
| | | | | | Converts callback to an array of command_registration records. Moves oocd_trace driver definition to end of file to eliminate useless forward declaration.
* remove target_type register_command callbackZachary T Welch2009-11-2431-149/+89
| | | | | | Uses chaining of command_registration structures to eliminate all target_type register_callback routines. Exports the command_handler registration arrays for those target types that are used by others.
* xscale: use register_commands()Zachary T Welch2009-11-241-23/+107
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* trace: use register_commands()Zachary T Welch2009-11-241-10/+29
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* target_request: use register_commands()Zachary T Welch2009-11-241-8/+21
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* target: use register_commands()Zachary T Welch2009-11-241-104/+201
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* oocd_trace: use register_commands()Zachary T Welch2009-11-241-10/+32
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* etm_dummy: use register_commands()Zachary T Welch2009-11-241-7/+20
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* etm: use register_commands()Zachary T Welch2009-11-241-37/+89
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* etb: use register_commands()Zachary T Welch2009-11-241-8/+20
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* cortex_m3: use register_commands()Zachary T Welch2009-11-241-19/+36
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* cortex_a8: use register_commands()Zachary T Welch2009-11-241-17/+25
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* armv7m: use register_commands()Zachary T Welch2009-11-241-28/+48
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* armv7a: use register_commands()Zachary T Welch2009-11-241-27/+48
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* armv4_5: use register_commands()Zachary T Welch2009-11-241-18/+34
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* arm9tdmi: use register_commands()Zachary T Welch2009-11-241-12/+21
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* arm966e: use register_commands()Zachary T Welch2009-11-241-12/+23
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* arm926ejs: use register_commands()Zachary T Welch2009-11-241-14/+22
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* arm920t: use register_commands()Zachary T Welch2009-11-241-27/+47
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* arm7_9_common: use register_commands()Zachary T Welch2009-11-241-20/+37
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* arm720t: use register_commands()Zachary T Welch2009-11-241-15/+23
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* arm11: use register_commands()Zachary T Welch2009-11-241-35/+62
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