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* remove register_callbacks from jtag interfaceZachary T Welch2009-11-2412-112/+33
| | | | | | | | Changes the jtag_interface->register_callbacks field to a list of commands to be registered. Changes callback to invocation of register_commands() with that command registration list. Removes all JTAG interface driver register_command callback functions, which the previous commits had converted into identical calls.
* vsllink: use register_commands()Zachary T Welch2009-11-241-20/+35
| | | | Use register_commands() with command registration array.
* jtag: use register_commands()Zachary T Welch2009-11-241-67/+119
| | | | Use register commands with command registration array.
* presto: use register_commands()Zachary T Welch2009-11-241-3/+12
| | | | Use register_commands() with command registration array.
* parport: use register_commands()Zachary T Welch2009-11-241-20/+37
| | | | Use register_commands() with a command registration array.
* jlink: use register_commands()Zachary T Welch2009-11-241-8/+18
| | | | Use register_commands() with command registration array.
* gw16012: use register_commands()Zachary T Welch2009-11-241-5/+12
| | | | Use register_commands() with command registration array.
* ft2232: use register_commands()Zachary T Welch2009-11-241-18/+41
| | | | Use register_commands() with a command registration array.
* at91rm9200: use register_commands()Zachary T Welch2009-11-241-3/+10
| | | | | | | Use register_commands() with command registration array. --- This module was broken by previous changes, but no one has complained. Are there still users for this modules?
* arm-jtag-ew: use register_commands()Zachary T Welch2009-11-241-4/+11
| | | | Uses register_commands() with command registration array.
* amt_jtagaccel: use register_commands()Zachary T Welch2009-11-241-8/+19
| | | | Use register_commands() with command_registration array.
* pld: use static registration instead of callbackZachary T Welch2009-11-243-12/+12
| | | | | Remove register_callbacks from pld_device structure, using an array of command_registration records instead.
* pld: use register_commands()Zachary T Welch2009-11-242-22/+60
| | | | Updates core PLD and virtex2 commands to use register_commands().
* {,x}svf: use register_commands()Zachary T Welch2009-11-242-10/+27
| | | | Use register_commands() for registering {,x}svf commands.
* server: use register_commandsZachary T Welch2009-11-244-45/+95
| | | | Converts server directory to use new command registration paradigm.
* log: use register_commands()Zachary T Welch2009-11-241-5/+19
| | | | | Use register_commands() for logging callbacks. Improve help and add proper usage.
* ioutil: use register_commands()Zachary T Welch2009-11-241-17/+45
| | | | Use table instead of individual calls. Add proper usage information.
* openocd: use register_commands()Zachary T Welch2009-11-241-6/+18
| | | | Use register_commands() for top-level version and init command.
* demonstrate chaining with foo commandsZachary T Welch2009-11-241-12/+7
| | | | | | Use the new command registration chaining capabilities to eliminate the foo_register_commands helper, folding its remaining command handler setup into the hello_command_handlers registration array.
* hello: use register_commands()Zachary T Welch2009-11-241-16/+36
| | | | Use new register_commands() with command registration table.
* rewrite 'unknown' command dispatching in CZachary T Welch2009-11-242-17/+65
| | | | | Rewrite the magical 'unknown' command in C as a Jim handler, allowing it to dispatch commands to any level in the tree.
* add public API for locating commandsZachary T Welch2009-11-242-0/+15
| | | | | Allow other modules to find a command, primarily for the purpose of registering and unregistering subcommands.
* refactor script_command context grabbingZachary T Welch2009-11-241-12/+16
| | | | Move command context acquisition to current_command_context() for re-use.
* add command registration chainingZachary T Welch2009-11-242-8/+37
| | | | | | | | | Adds the ability to chain registration structures. Modules can define a command with the 'chain' and 'num_chain' fields defined in their registration table, and the register_commands() function will initialize these commands. If the registration record creates a new command, then the chained commands are created under it; otherwise, they are created in the same context as the other commands (i.e. the parent argument).
* more command registration refactoringZachary T Welch2009-11-241-16/+38
| | | | | Split out the handler registration into its own function, and add a few obviously missing NULL pointer error checking.
* command: use register_commands for handlersZachary T Welch2009-11-241-17/+34
| | | | | | Use register_commands() to register low-level command handlers, adding a builtin_command_handlers declaration that is easy to understand. Splits help and usage information into their appropriate fields.
* add command usage, separate from helpZachary T Welch2009-11-242-14/+52
| | | | | | Adds the usage command, to display usage information for commands. The output for this command will remain erronenously empty until commands are updated to use these new coventions.
* add register_commands for batch registrationZachary T Welch2009-11-242-0/+36
| | | | | | The register_commands API takes multiple commands in one call, allowing modules to declare and pass a much simpler (and more explicit) array of command_registration records.
* add struct command_registrationZachary T Welch2009-11-242-23/+45
| | | | | | | | | Add a structure to encapsulate command registration information, rather than passing them all as parameters. Enables further API changes that require additional required or optional parameters. Updates the register_command API and COMMAND_REGISTER macro to use it, along with their documentation.
* use COMMAND_REGISTER macroZachary T Welch2009-11-2463-310/+286
| | | | | Replaces direct calls to register_command() with a macro, to allow its parameters to be changed and callers updated in phases.
* add COMMAND_REGISTER macroZachary T Welch2009-11-241-0/+4
| | | | | | | | Provides a migration path for the widely used register_command API, which needs to be updated to provide new functionality. This macro allows the API to change without having to update all of its callers at the same time.
* improve startup tcl scriptsZachary T Welch2009-11-244-19/+20
| | | | | Fix a couple of layering violations missed in the last round. Add missing comment headers.
* Cortex-A8: avoid DSCR readsDavid Brownell2009-11-241-48/+103
| | | | | | | | | | | | | | | | | There was a lot of needless handshaking overhead in the current Cortex-A8 DCC/ITR operations, since the status read by each step was discarded rather than letting the next step know it. This shrinks the handshaking by: (a) passing status along from previous steps, avoiding re-fetching; which enables the big win (b) relying on a useful invariant: that the DSCR_INSTR_COMP bit is set after every call to a DPM method. A "reg sp_usr" call previously took 17 flushes; now it takes just 9. This visibly speeds common operations like entry to debug state and stepping, as well as "arm reg" and so on. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Cortex-A8: hook up DPMDavid Brownell2009-11-241-323/+35
| | | | | | | | | This replaces two versions of register access functions. One was commented out, and seemed to have uncertain intent. The other was fairly new, and helped motivate the DPM framework once I observed that the ARM11 was doing the very same ops. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Cortex-A8: implement DPMDavid Brownell2009-11-244-9/+176
| | | | | | | | This implements the DPM interface for Cortex-A8 cores. It also adds a synchronization operation to the DPM framework, which is needed by the Cortex-A8 after CPSR writes. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Cortex-A8: minor cleanupDavid Brownell2009-11-242-26/+35
| | | | | | | | Make various functions static, add some comments, report vector catch as a flavor of DBG_REASON_BREAKPOINT, get rid of needless/undesirable ARMV4_5_CORE_REG_MODE, etc. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* improve alloc_vprintfAndreas Fritiofson2009-11-241-27/+16
| | | | | | | | | | | | | | The previous implementation was unnecessarily complex. Get rid of the loops, let vsnprintf() tell us directly how much storage we need and allocate that. A second pass writes the actual string. Also add a va_end() that was missing. This should be much faster for large strings and less wasteful for small ones. A quirk that has been retained is that some callers patch in a newline at the end of the returned string and depend on alloc_vprintf to allocate at least one byte extra. Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com> Signed-off-by: Zachary T Welch <zw@superlucidity.net>
* fix doxygen buildZachary T Welch2009-11-241-3/+8
| | | | | Update build rules to skip the PDF unless the TeX has been created. Also, fixes a warning regarding pattern rules being a GNU make trick.
* jlink: rewrite to use jtag_usb_openZachary T Welch2009-11-241-61/+15
| | | | Rewrite jlink_usb_open to use jtag_usb_open helper.
* jlink: remove superfluous indentationZachary T Welch2009-11-241-52/+55
| | | | | Rewrite logic to remove indentation in jlink_usb_open, in prep for further surgery.
* rlink: use jtag_usb_open helperZachary T Welch2009-11-241-82/+49
| | | | | | | Rewrite rlink_init routine to use jtag_usb_open helper. Eliminates some spurious calls to exit(). Wraps a tremendously long line of comment to fit 80 columns too.
* rlink: eliminate spurious indentationZachary T Welch2009-11-241-55/+54
| | | | Rework rlink_init to use less indentation. Best viewed with diff -w.
* vsllink: rewrite to use jtag_usb_openZachary T Welch2009-11-241-54/+30
| | | | | | Rewrite vsllink_usb_open to use jtag_usb_open helper. Eliminates spurious calls to exit().
* usbprog: use jtag_usb_openZachary T Welch2009-11-241-30/+13
| | | | Rewrite usbprob_jtag_open to use jtag_usb_open helper.
* arm-jtag-ew: use jtag_usb_openZachary T Welch2009-11-241-36/+17
| | | | Rewrite armjtagwe_usb_open to use jtag_usb_open.
* add jtag/usb_common.[ch] filesZachary T Welch2009-11-244-1/+99
| | | | | | | | Begins to consolidate code used by several USB JTAG interfaces. This first patch provides the required build system changes and a common jtag_usb_open routine, which will replace the guts for probing the busses and devices for possible VID/PID matches. The following patches convert each driver to use it.
* ARM11: remove old R0..R15/CPSR codeDavid Brownell2009-11-242-196/+74
| | | | | | | | | | | | | | | | This finishes the basic switchover to the new register code, for everything except the debug registers. (And maybe we shouldn't have a cache for *those* which works this way...) The context save/restore code now uses the new code, but it's in a slightly different sequence. That should be fine since the R0/PC/CPSR stuff is all that really matters (and if we can update those, we can update the rest). Now there's no longer a way any code can be confused about which copy of "r1" (etc) to use. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM11: use standard run_algorithm()David Brownell2009-11-241-172/+5
| | | | | | | | | | | | | | | | | | | | As with single stepping, the previous stuff was needed because the ARM11 code wasn't using the standard ARM base type and register access ... but now those mechanisms work, so we can switch out that special-purpose glue, in favor of the more thoroughly tested/capable "standard" code. Fixes a bug in the resume() implementation: it wasn't handling two of its arguments correctly, preventing the "flash erase_check" algorithm from working. (This code needs a *subsequent* update for correct register handling, though... removing the confusion about which "r2", for example, to use.) This should resolve some "FIXME" comments too, for Thumb and processor mode support. It also gets rid of a nasty exit() call; servers should only have *clean* shutdown paths. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM11: use standard single step simulationDavid Brownell2009-11-242-99/+32
| | | | | | | | | | | | | | | | | | The previous stuff was needed because the ARM11 code wasn't using the standard ARM base type and register access ... but now those mechanisms work, so we can switch out that special-purpose glue. This should resolve all the "FIXME -- handle Thumb single stepping" comments too, and properly handle the processor's mode. (Modulo the issue that this code doesn't yet handle two-byte breakpoints.) Clarify the comments about the the hardware single stepping. When we eventually share breakpoint code with Cortex-A8, we can just make that be the default on cores which support it. We may still want an override command, not just to facilitate testing but to cope with "instruction address mismatch" not quite being true single-step. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM11: partial support for standard ARM register interfaces.David Brownell2009-11-241-35/+31
| | | | | | | | | | | | | | | | | | | | | | | | | This provides "standard" ARM register support -- with twenty or more shadow registers on top of what this code now handles, but properly associated with the various core modes -- parallel to the current register code. That is, the current code is stilil managing the "current" registers; the new code shadows them. You can see all the registers with "arm reg", modify the shadows like "r8_fiq" or "sp_abt" with "reg", and see them get properly written back when you step. (Just don't do that with any of the registers managed by the "old" code ...) It also switches to using more standard code, relying on those standard registers, in two places: (a) the poll status display, which now shows core state (ARM/Thumb/...) and mode (Supervisor, IRQ, etc); and (b) GDB register access. So it's not a full migration, there are warts -- every place that touches the old register cache is a potential bug -- but it's a small more-or-less-comprehensible step that's even somewhat useful. Later patches complete the migration. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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