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* ETM: start support for ETMv2+David Brownell2009-11-122-23/+129
| | | | | | | | | | | | | | | | | 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>
* parport: add support for the jtag_khz command.Jonas Horberg2009-11-121-8/+64
| | | | | | | | | | | 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>
* ETM: remove old mid-level ETM handleDavid Brownell2009-11-117-11/+8
| | | | | | | | | | | | | | | | | | Now that nothing uses the old ETM handle any more, remove it. Add minimal header tweaks, letting non-ARM7 and non-ARM9 cores access ETM facilities. Now ARM11 could support standard ETM (and ETB) access as soon as it derives from "struct arm" ... its scanchain 6 is used access the ETM, just like ARM7 and ARM9. The Cortex parts (both M3 and A8) will need modified access methods (via ETM init parameters), so they use the DAP. Our first A8 target (OMAP3) needs that for both ETM and ETB, but the M3 ETM isn't very useful without SWO trace support (it's painfully stripped down), so that support won't be worth adding for a while. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ETM: use new toplevel ETM handleDavid Brownell2009-11-111-58/+50
| | | | | | | | Make ETM itself use the new toplevel ETM handle, instead of the to-be-removed lower level one. As of this patch, nothing should be using the old ARM7/ARM9-specific handle. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ETM: update port driversDavid Brownell2009-11-113-42/+41
| | | | | | | | | | Make both useful ETM port drivers (etb, etm_dummy) use the new toplevel ETM handle, instead of the to-be-removed lower level one. Do the same for the "oocd-trace" prototype too; and fix its error reporting paths: return failure codes, don't exit(), etc Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ETM: update arm[79]tdmi_examine()David Brownell2009-11-112-8/+10
| | | | | | | Make ARM7 and ARM9 cores use the new toplevel ETM handle to trigger ETM setup, not the to-be-removed lower level one. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: start generalized base typeDavid Brownell2009-11-112-19/+34
| | | | | | | | | | | | | | | | Rename "struct armv4_5_common_s" as "struct arm". It needs a bit more work to be properly generic, and to move out of this header, but it's the best start we have on that today. Add and initialize an optional ETM pointer, since that will be the first thing that gets generalized. The intent being: all ARMs should eventually derive from this "struct arm", so they can reuse the current ETM logic. (And later, more.) Currently the ARM cores that *don't* so derive are only ARMv7-M (and thus Cortex-M3) and ARM11. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* fix 'jtag interface' behaviorZachary T Welch2009-11-111-1/+2
| | | | | Without this patch, running "openocd -c 'jtag interface'" segfaults. Now, it returns the string "undefined" when the interface is unset.
* improve command registrationZachary T Welch2009-11-111-31/+43
| | | | | | | Eliminate duplicate code for linking commands into a list. Adds a check to ensure the command does not already exist; if it does, return that one instead of creating a duplicate.
* add help regardless of callbackZachary T Welch2009-11-111-2/+2
| | | | | | | | | Add help for commands regardless of whether a handler is involved. With this, all sorts of new commands can be found in 'help' text. Hopefully, all of them have been documented.... Sadly, the lsort function appears to handle nested lists poorly, such that sub-commands do not group with their parents.
* eliminate duplicate helptext managementZachary T Welch2009-11-111-31/+30
| | | | | Add helpers to manage adding entries to the helptext list. Adds support for arbitrarily nested commands.
* add command_name helperZachary T Welch2009-11-112-32/+49
| | | | | | | The command_name function returns a malloced string for a given command and its parents. This can be used to display a message to the user, but it is used internally to handle registration and syntax errors. This helps permit arbitrary command nesting.
* wrap help commandZachary T Welch2009-11-111-9/+17
| | | | Use continuation characters to wrap the help command into 80 columns.
* remove obsolete doxygen commentsZachary T Welch2009-11-112-49/+1
| | | | Documenting command handler parameters is redundant and pointless.
* remove more useless declarationsZachary T Welch2009-11-115-97/+62
| | | | | Removes forward declarations by moving command registration after defintion of the command handlers.
* cortex_a8: remove declarations, use static keywordZachary T Welch2009-11-112-112/+82
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* add const keyword to some APIsZachary T Welch2009-11-1115-20/+22
| | | | | | Add 'const' keyword to 'char *' parameters to allow command handlers to pass constant string arguments. These changes allow the 'args' command handler to be changed to 'const' in a subsequent patch.
* change argv to args in command handlersZachary T Welch2009-11-113-28/+28
| | | | | | | | | | | Subsequent patches expect all command handlers to use a uniform parameter naming scheme. In the entire tree, these two files used standard 'argv' instead of our non-standard 'args'. This patch opts to reduces the noise required to unify the command handlers, using dominant 'args' form. A future patch may be used to convert us back to the standard argv, but that requires coordination with all developers to minimize disruptions.
* script_debug(): improve typesZachary T Welch2009-11-112-5/+6
| | | | Use unsigned type for number of arguments.
* command.c: make private routines staticZachary T Welch2009-11-111-2/+4
| | | | This patch also improves the signature of run_command function.
* log: improve log_callback_fn signatureZachary T Welch2009-11-114-6/+6
| | | | Use unsigned type for line number in log_callback_fn signature.
* time_support: improve use of typesZachary T Welch2009-11-112-26/+15
| | | | | Update timeval_add_time to use long int; implement timeval_add with it. Update timeval_ms to check gettimeofday return value, return int64_t.
* makefiles: improve build orderZachary T Welch2009-11-112-85/+123
| | | | | | | | | | | Separates various groups of files to be built in logical succession. In each layer, the core module (target.c, nand.c, etc.) is built _after_ their helper modules (e.g. image.c, nand_ecc.c) but _before_ any of their drivers (e.g. arm966e.c, mx3_nand.c). This allows problems introduced at the bottom of the stack to result in build failures as soon as possible, as the helpers and core should wrap portions of them.
* ETM cleanupDavid Brownell2009-11-114-131/+120
| | | | | | | | | | | | | | | | Various cleanups of ETM related code. - Saner error return paths - Simplify arm7_9 init ... no need for extra zeroing! - Shrink some lines - Tweak some diagnostics - Use shorter name for ETM struct type. - Don't exit() and similar. The diagnostics look forward to having this ETM code work with more than just ARM7/ARM9. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* fix bug in ARM720: bugfixZachary T Welch2009-11-101-1/+1
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* ARM720: bugfixDavid Brownell2009-11-101-1/+2
| | | | | | | The "ARM720 uses the new inheritance/nesting scheme" patch wrongly scrubbed a calloc() from arm720t_target_create(). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target: MMU-aware init for memory read/writeDavid Brownell2009-11-101-23/+42
| | | | | | | | | | | | | | | | | | 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>
* arm11: add etmr/etmw registers to access ETM via DBGTAP scan chainMichael Bruck2009-11-103-0/+142
| | | | | | | | First cut of these commands. Øyvind tinkered a bit with the number parsing to bring it up to speed + rebased it. Ready for testing. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* ARM11: remove old mrc/mcr commandsØyvind Harboe2009-11-101-102/+0
| | | | | | Switch to new commands in config scripts Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* Target: minor cleanupDavid Brownell2009-11-102-13/+21
| | | | | | | | - improve some names -- a "default" prefix is not descriptive - add doxygen @todo entries for some issues - avr8 isn't ever going to need those MMU hooks Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM920: implement basic MMU opsDavid Brownell2009-11-101-0/+22
| | | | | | mmu() works; virt2phys() fails and logs an error. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM720: implement basic MMU opsDavid Brownell2009-11-101-0/+22
| | | | | | mmu() works; virt2phys() fails and logs an error. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Target: fix bad error messagesDavid Brownell2009-11-101-7/+10
| | | | | | And shrink a few too-long lines. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* httpd: fix warnings, more robust error handling, improved MIME handlingØyvind Harboe2009-11-101-6/+9
| | | | | | | | The httpd is work in progress... No mime type set by default. Let the browser guess. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* tcl: HostOs now picks up eCos as well during compile timeØyvind Harboe2009-11-101-0/+2
| | | | Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* svf,xsvf,arm7_9_common: trim forard declarationsZachary T Welch2009-11-093-53/+55
| | | | Remove forward declarations by reordering command registration.
* command.c: make commands staticZachary T Welch2009-11-091-50/+48
| | | | | Removes useless declarations, moving the handler functions to appear before their use in the (much bigger) command registriation function.
* server: remove useless declarationsZachary T Welch2009-11-094-52/+64
| | | | Remove server command declarations, make handler routines static.
* jtag: remove useless declarationsZachary T Welch2009-11-096-295/+248
| | | | | | Contrary to my previous assessment, some opportunities to remove forward declarations were overlooked. Remove them by moving the definitions of the command registration and interface structure to the end of files.
* target.c: remove useless declarationsZachary T Welch2009-11-091-103/+127
| | | | | This patch removes the last batch of forward references from the tree, moving the target command registration routines to the end of the file.
* {pic32m,stm32}x.c: remove useless declarationsZachary T Welch2009-11-092-98/+73
| | | | | | | | Remove useless forward declarations. Moves command registrations to end of files. Moves flash structure definitions to end of files. Signed-off-by: Zachary T Welch <zw@superlucidity.net>
* str{7,9}x*.c: remove useless forward declarationsZachary T Welch2009-11-093-141/+108
| | | | | | | | Remove useless forward declarations. Moves command registrations to end of files. Moves flash structure definitions to end of files. Signed-off-by: Zachary T Welch <zw@superlucidity.net>
* flash/<various>.c: remove useless declarationsZachary T Welch2009-11-093-75/+42
| | | | | | | Remove useless forward declarations. Moves flash structure definitions to end of files. Signed-off-by: Zachary T Welch <zw@superlucidity.net>
* flash/<assorted>.c: remove useless declarationsZachary T Welch2009-11-095-170/+103
| | | | | | | | Remove useless forward declarations. Moves command registrations to end of files. Moves flash structure definitions to end of files. Signed-off-by: Zachary T Welch <zw@superlucidity.net>
* flash/at91sam[37].c: remove useless declarationsZachary T Welch2009-11-092-53/+44
| | | | | | | | | | Remove useless forward declarations. Moves command registration to end of file. Moves flash structure definitions to end of files. Changes a few references to global flash structure to local refs. Signed-off-by: Zachary T Welch <zw@superlucidity.net>
* flash/lpc2???.c: remove useless declarationsZachary T Welch2009-11-093-72/+43
| | | | | | | | Remove useless forward declarations. Moves command registrations to end of files. Moves flash structure definitions to end of files. Signed-off-by: Zachary T Welch <zw@superlucidity.net>
* flash/*nand*.c: remove useless declarationsZachary T Welch2009-11-096-167/+132
| | | | | | | | Remove useless forward declarations. Moves command registration to end of files. Moves flash structure definition to end of files. Signed-off-by: Zachary T Welch <zw@superlucidity.net>
* flash/flash.c: remove forward declarationsZachary T Welch2009-11-091-57/+62
| | | | | | | | Remove useless forward declarations. Moves command registration to end of file. Moves flash structure definition to end of file. Signed-off-by: Zachary T Welch <zw@superlucidity.net>
* Revert "target: add target->type->has_mmu fn"David Brownell2009-11-093-48/+5
| | | | | | | | | | | | | | | | This patch introduced a bug preventing flash writes from working on Cortex-M3 targets like the STM32. Moreover, it's the wrong approach for handling no-MMU targets. The right way to handle no-MMU targets is to provide accessors for physical addresses, and use them everywhere; and any code which tries to work with virtual-to-physical mappings should use a identity mapping (which can be defaulted). And ... we can tell if a target has an MMU by seeing if it's got an mmu() method. No such methood means no MMU. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* finish removing deprecated/obsolete commandsDavid Brownell2009-11-096-113/+8
| | | | | | | | | | | | | | | | | | | | 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>
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