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* Tcl and doc: update to match new 'arm mcr ...' etcDavid Brownell2009-12-018-12/+32
| | | | | | Make them match the C code. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target: at91eb40a.cfg is a board, not a target.Øyvind Harboe2009-12-011-1/+4
| | | | | | | Also updated to use target name when creating flash and set jtag_khz to 16000. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* zy1000: keep up with latest changes to command handlingØyvind Harboe2009-12-012-7/+5
| | | | | | Keep up with Jim Tcl interpreter creation cleanup. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* command: the Jim interpreter can now be provided rather than createdØyvind Harboe2009-12-013-12/+18
| | | | | | | In embedded hosts, the Jim interpreter can come from the existing context rather than be created by OpenOCD. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* ARM11: remove previous mcr()/mrc() methodsDavid Brownell2009-12-011-75/+0
| | | | | | We don't need this code, now that the DPM code handles it. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Cortex-A8: remove previous mcr()/mrc() methodsDavid Brownell2009-12-012-104/+1
| | | | | | | | We don't need this code, now that the DPM code handles it. Neither do we need the ARMv7-A CP15 operations; remove their remnants too. And disable a mostly-needless diagnostic. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: implement mrc()/mcr() as DPM opsDavid Brownell2009-12-011-0/+59
| | | | | | | | | | | | | Instead of having separate ARM11 and Cortex-A8 implementations of this code, have one shared implementation which just builds on the existing "run instruction via R0" support. This enables followup patches to remove that now-unused code from those two drivers. (Patches to move the "mrc" and "mcr" code into "struct arm" are due too ... MIPS and other cores do not support those ARM-specific concepts.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target: "mcr" and "mrc" are ARM-specificDavid Brownell2009-12-019-218/+228
| | | | | | | | | | | | | | Switch "mrc" and "mcr" commands to be toplevel ARM operations, as they should initially have been. Correct the usage message for both commands: it matches ARM documentation (as one wants!) instead of reordering them to match the funky mrc() and mcr() method usage (sigh). For Cortex-A8: restore a line that got accidentally dropped, so the secure monitor mode shadow registers will show again. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARMv7-A: stop using CP15 opsDavid Brownell2009-12-011-5/+36
| | | | | | | | | | | The ARMv7-A code uses read_cp15() to access fault registers. Instead, use DPM operations directly, passing in the relevant MRC instructions. This eliminates per-operation overhead (though it'll be hard to observe, this is uncommon) and helps eliminate read_cp15(). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Cortex-A8: stop using CP15 opsDavid Brownell2009-12-011-16/+53
| | | | | | | | | | | | | | | | | | | | | There were two chunks of Cortex-A8 code which called the ARMv7-A CP15 operations; get rid of them, helping prepare to remove those methods completely: - post_debug_entry() can use the mrc() method to read its two registers. - write_memory() can use dpm->instr_write_data_r0() to flush the ICache and DCache ... doing it this way is actually faster since it reduces per-write overhead. Note that the mrc() method parameters are re-ordered with respect to the ARM instruction documentation, so that part can be confusing. Cleaned up the layout and comments in those areas a bit. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* main: invoke jtag_interface_quit() explicitlyØyvind Harboe2009-12-011-6/+2
| | | | | | | | There is no particular reason to invoke jtag_interface_quit() on the atexit() handler, it just makes the code more obtuse and stops other legitimate usage of atexit(). Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* improve command prohibition error reportZachary T Welch2009-11-301-2/+10
| | | | | | Ensures that the correct information gets displayed, depending on the mode of the command being denied. Fixes misreporting all commands as needing to run "before 'init'".
* XScale: restore_context() cleanupDavid Brownell2009-11-301-38/+30
| | | | | | | | | | | Clean up two aspects to this routine: bad naming, since it doesn't restore the context, just the banked registers; and excess indentation for the bulk of the code. Also make some of its call sites stash the function's return code; someday they should use it for error checking. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* 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>
* remove interp global variable!Zachary T Welch2009-11-303-20/+22
| | | | | | | Finish removing references to the 'interp' global variable from the command module, encapsulating all reference via command_context. Eliminates use of the global entirely, so it can be removed. Hurrah!
* command output capture: do not use interp globalZachary T Welch2009-11-301-15/+34
| | | | | | Adds a log_capture_state structure to pass to the log capture callback used by the command module. Ensures that the capture occurs in the proper context.
* do not extern 'interp' from command.cZachary T Welch2009-11-3011-23/+31
| | | | | 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.
* jtag: avoid using interp global variableZachary T Welch2009-11-302-6/+13
| | | | | Adds 'interp' field to jtag_tap_event_action structure to avoid using the global variable of same name.
* fix foo command group help messagesZachary T Welch2009-11-301-3/+6
| | | | Splits the old help strings to provide proper usage as well.
* make syntax errors respond with 'usage'Zachary T Welch2009-11-302-4/+4
| | | | | | The 'help' text will become more verbose, so its entire text will be far more than desired when you only borked your syntax. The usage still allows the commands to be looked up for more help.
* move improperly located documentationZachary T Welch2009-11-301-15/+17
| | | | | Somehow, the comment block for command handlers ended up associated with the output_handler. Move it to the command_handler_t declaration.
* improve command_done() API and docsZachary T Welch2009-11-302-6/+19
| | | | | | | | | | | | | | | | | | command_done() does not need to return an error, but it needed Doxygen comment. Provide some for copy_command_context as well. Note: this audit revealed some potential bugs with the command context implementation. There was a reason that commands were added at the end of the list. Shallow copying of command_context means that the list is shared between them. And commands added at the top-level before the pre-existing commands will not be available in the shared context as they were before. Yikes! Fortunately, this does not seem to occur in general use, as 'add_help_text' gets registered in startup.tcl and claims the first slot in my own test cases. Thus, it seems that we have been masking the issue for now, but it shows the need for further architectural improvement in the core command module.
* only display usable commands in helpZachary T Welch2009-11-301-0/+3
| | | | | | | With the ability to defer 'init', users can access the help system while still in CONFIG mode. This patch omits commands from the help and usage list when they cannot be run in the current command mode, making it much easier to see what can be done at a given time.
* allow deferal of initZachary T Welch2009-11-301-4/+23
| | | | | | | Adds 'noinit' command to prevent OpenOCD from running 'init' at the end up startup, allowing it to be given from telnet or TCL. This provides the old behavior by default, and users can add this command to their scripts to get the new behavior.
* move server_init() to openocd_main()Zachary T Welch2009-11-302-19/+28
| | | | | | | | | Moves the telnet and TCL server startup to server_init(), moving their respective command registration in to server_register_commands(). Adds proper error checking for these particular startup processes. Moves the core server startup to openocd_main(), improving related error checking and preparing to defer 'init'.
* improve gdb_init() sequenceZachary T Welch2009-11-303-35/+49
| | | | | | | | | | | | Rework gdb_init to create flexible APIs (gdb_target_add_{one,all}) and static helper (gdb_target_start) for starting GDB services. Eliminates duplicated code and provides general mechanisms for adding GDB services. The 'init' command is updated to call the new API, and later patches can decouple its policy of adding all targets therein. Provides the new capability to use both piped and TCP servers when multiple targets are defined. The first target fills the pipe, and others will be started on TCP ports (unless disabled, i.e. gdb_port=0).
* zy1000: keep up with changes to command structureØyvind Harboe2009-11-301-0/+1
| | | | | | | | | | | | | Add missing COMMAND_REGISTRATION_DONE. For now the command syntax for zy1000 needs to be compatible across 0.3/0.4, the world outside OpenOCD interfaces to zy1000 using the old syntax. Post 0.4 release(0.4.1 even) I'll switch to subcommand scheme. Switch to subcommands post 0.3 lifecycle. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* 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>
* create target/pxa3xx.cfgMarek Vasut2009-11-291-0/+86
| | | | | | [dbrownell@users.sourceforge.net; remove pxa255 comment] Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* XScale: initial PXA3xx supportMarek Vasut2009-11-293-11/+40
| | | | | | [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>
* bugfix: 'init' changes state, not main()David Brownell2009-11-281-1/+2
| | | | | | | | Code other than main() may invoke "init". When it does so, customized handlers may need to run ... so make sure the command context state is updated before they do so. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* fix s3c24xx device command helperlementec fabien2009-11-281-1/+4
| | | | | Returns the common structure for the s3c24xx device, which was somehow nuked during past cleaning efforts.
* 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 'nonce' nand driverZachary T Welch2009-11-283-0/+83
| | | | | The nonce NAND driver provides a no-op implementation useful for testing the system independently of any driver side-effects.
* 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.
* split jim_newtap_cmd into piecesZachary T Welch2009-11-281-70/+94
| | | | | Moves the ID and IR-related option parsing to static helpers, removing two levels of indent.
* improve jtag_tap_configureZachary T Welch2009-11-281-77/+88
| | | | | | | Splits bulk of the jtag_tap_configure into jtag_tap_configure_event, removing three or four levels of indentation in the process. The resulting code was stylistically improved in other ways, but it should be functionally identical.
* improve jtag_tap_handle_event indentationZachary T Welch2009-11-281-23/+30
| | | | Use 'continue' to reduce identation levels and superfluous logic.
* begin moving JTAG jim handlers/helpersZachary T Welch2009-11-281-227/+236
| | | | | | | Moves the tertiary jim handlers and required static helpers to the top of tcl.c, defining them in a new registration array that is chained in both the top-level context and under the jtag command. The top-level commands can be removed at some point in the future to reduce clutter.
* split jim_jtag_command into multiple handlersZachary T Welch2009-11-281-180/+212
| | | | | | | | | Explodes the 'jtag' into separate command handlers, which are easier to understand and extend. Makes the code much easier to understand, though further simplifications are possible. This patch tries to minimize the noise when viewed with 'git diff -w'. Gives these commands improved built-in help and usage information.
* remove redundant 'rm' command handlerZachary T Welch2009-11-281-27/+0
| | | | | | Two 'rm' commands were implemented and registered. This removes the version that would have never been called prior to refactoring the command registration.
* add error checking in command_newZachary T Welch2009-11-281-20/+30
| | | | | | Adds checks for memory allocation failures. Started to use calloc() instead of malloc()/memset(), but I got carried away. This kind of work should be done throughout the tree, but it's almost hopeless at present.
* include mode information in help text.Zachary T Welch2009-11-281-3/+27
| | | | | Extends the help output to list the valid modes for each commands. Fixes a memory leak of the returned command_name() string.
* refactor command mode detectionZachary T Welch2009-11-281-2/+7
| | | | | | | | | | | Splits the check for a command's ability to run into a helper. This also fixes a bug whereby commands that specified COMMAND_EXEC were allowed to run during the configuration stage. This allowed problematic commands to be called before 'init', defeating the intention of specifying that command mode. With this change, the run_command() helper denies access to handlers that should run only after 'init' during the configuration stage.
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