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* arm11: allow minidrivers to implement inner loop of memory writesØyvind Harboe2010-02-222-45/+100
| | | | | | | | | | | | | | | This allows minidrivers to e.g. hardware accelerate memory writes. Same trick as is used for arm7/9 dcc writes. Added error propagation for memory transfer failures in code rearrangement. Also the JTAG end state is not updated until after the memory write run is complete. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* zy1000: jtag_add_dr_scan() performance improvementØyvind Harboe2010-02-221-8/+15
| | | | | | Reduce overhead in jtag_add_dr_scan() a bit. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* ft2232 table init cleanupDavid Brownell2010-02-211-19/+78
| | | | | | | | Use labeled initializers in the table of layouts instead of positional ones. This ls cleaner and less error prone, plus it simplifies patches which add members to these structure. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Developer's Guide: refresh release proceduresDavid Brownell2010-02-211-44/+99
| | | | | | | | | | Be a closer match to what I've actually done for the past few cycles. In particular, hold off pushing repository updates until after the packages are published, as part of opening the merge window, and mention the utility commands which actually create the archives. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ADIv5: relocate memacess_tck cyclesDavid Brownell2010-02-211-12/+12
| | | | | | | | | | | | | When using an AP to access a memory (or a memory-mapped register), some extra TCK (assuming JTAG) cycles should be added to ensure the AP has enugh time to complete that access before trying to collect the response. The previous code was adding these cycles *before* trying to access (read or write) data to that address, not *after*. Fix by putting the delays in the right location. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ADIv5: remove ATOMIC/COMPOSITE interface modeDavid Brownell2010-02-213-98/+29
| | | | | | | | | | | | | This removes context-sensitivity from the programming interface and makes it possible to know what a block of code does without needing to know the previous history (specifically, the DAP's "trans_mode" setting). The mode was only set to ATOMIC briefly after DAP initialization, making this patch be primarily cleanup; almost everything depends on COMPOSITE. The transactions which shouldn't have been queued were already properly flushing the queue. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: ADIv5, deadcode cleanupDavid Brownell2010-02-211-13/+13
| | | | | | | | | | | | I have no idea what the scan_inout_check() was *expecting* to achieve by issuing a read of the DP_RDBUFF register. But in any case, that code was clearly never being called ("invalue" always NULL) ... so remove it, and the associated comment. Also rename it as ap_write_check(), facilitating a cleanup of its single call site by removing constant parameters. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: ADIv5 code shrinkage, cleanupDavid Brownell2010-02-211-40/+16
| | | | | | | | | | adi_jtag_dp_scan_u32() now wraps adi_jtag_dp_scan(), removing code duplication. Include doxygen for the former. Comment some particularly relevant points. Minor fault handling fixes for both routines: don't register a callback that can't run, or return ERROR_OK after an error. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ADIv5 clean up AP fault handlingDavid Brownell2010-02-211-32/+46
| | | | | | | | | | | | | | | | | Pass up fault codes from various routines, so their callers can clean up after failures, and remove the FIXME comments highlighting those previously goofy code paths. dap_ap_{read,write}_reg_u32() dap_ap_write_reg() mem_ap_{read,write}_u32() mem_ap_{read,write}_atomic_u32() dap_setup_accessport() Make dap_ap_write_reg_u32() just wrap dap_ap_write_reg(), instead of cloning its core code (and broken fault handling). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ADIv5 clean up AP selection and register cachingDavid Brownell2010-02-214-34/+60
| | | | | | | | | | | | | | | | | | | Handling of AP (and AP register bank) selection, and cached AP registers, is pretty loose ... start tightening it: - It's "AP bank" select support ... there are no DP banks. Rename. + dap_dp_bankselect() becomes dap_ap_bankselect() + "dp_select_value" struct field becomes "ap_bank_value" - Remove duplicate AP cache init paths ... only use dap_ap_select(), and don't make Cortex (A8 or M3) cores roll their own code. - For dap_ap_bankselect(), pass up any fault code from writing the SELECT register. (Nothing yet checks those codes.) - Add various bits of Doxygen Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: keep a handle to the PCDavid Brownell2010-02-2116-88/+106
| | | | | | | | | | | | | | | | Keep a handle to the PC in "struct arm", and use it. This register is used a fair amount, so this is a net minor code shrink (other than some line length fixes), but mostly it's to make things more readable. For XScale, fix a dodgy sequence while stepping. It was initializing a variable to a non-NULL value, then updating it to handle the step-over-active-breakpoint case, and then later testing for non-NULL to see if it should reverse that step-over-active logic. It should have done like ARM7/ARM9 does: init to NULL. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM DPM: support adding/removing HW breakpointsDavid Brownell2010-02-211-38/+113
| | | | | | | | | | | | | | Generalize the core of watchpoint setup so that it can handle breakpoints too. Create breakpoint add/remove routines which will use that, and hook them up to target types which don't provide their own breakpoint support (nothing, yet). This suffices for hardware-only breakpoint support. The ARM11 code will be able to switch over to this without much trouble, since it doesn't yet handle software breakpoints. Switching Cortex-A8 will be a bit more involved. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM11: per-core options should not be globalDavid Brownell2010-02-212-33/+44
| | | | | | | | | | Address some FIXME comments by getting rid of globals, moving per-core parameters in the existing per-core data structure. This will matter most whenever there are multiple ARM11 cores, e.g. ARM11 MPcore chips, but in general is just cleanup. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARMv7-M: start using "struct arm"David Brownell2010-02-215-9/+74
| | | | | | | | | | | | | | | | | | | | | | | | | | | This sets up a few of the core "struct arm" data structures so they can be used with ARMv7-M cores. Specifically, it: - defines new ARM core_modes to match the microcontroller modes (e.g. HANDLER not IRQ, and two types of thread mode); - Establishes a new microcontroller "core_type", which can be used to make sure v7-M (and v6-M) cores are handled right; - adds "struct arm" to "struct armv7m" and arranges for the target_to_armv7m() converter to use it; - sets up the arm.core_cache and arm.cpsr values - makes the Cortex-M3 code maintain arm.map and arm.core_mode. This is currently set up as a parallel data structure, primarily to minimize special cases for the semihosting support with microcontroller profile cores. Later patches can rip out the duplicative ARMv7-M support and start reusing core ARM code. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Open the merge window for the 0.5.0 release cycle.David Brownell2010-02-213-69/+101
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Label builds as OpenOCD v0.4.0David Brownell2010-02-211-1/+1
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* User's Guide mentions OS-specific installationDavid Brownell2010-02-212-2/+14
| | | | | | | | | | Specifically the Linux issue of needing "udev" rules, and MS-Windows needing driver configuration. Also, update the existing udev note to use the correct name of that rules file in the source tree. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* arm920t line length cleanupDavid Brownell2010-02-201-115/+247
| | | | | | | | | | | | The recent patch to fixbreakpoints and dcache handling added a bunch of overlong lines (80+ chars) ... shrink them, and do the same to a few lines which were already overlong. Also add a few FIXME comments to nudge (a) replacement of some magic numbers with opcode macros, which will be much better at showing what's actually going on, and (b) correct return codes. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* CSB337 board cleanup (quasi-regression)David Brownell2010-02-201-0/+2
| | | | | | | | Get rid of new nasty warning: NOTE! Severe performance degradation without fast memory access enabled... Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* FreeBSD buildfixDavid Brownell2010-02-201-2/+2
| | | | | | | | | Fix an unused variable warning seen when building the parport driver under FreeBSD. Using information from Xiaofan Chen <xiaofanc@gmail.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* atm920t : fix breakpoints and data cache handlingMarc Pignat2010-02-191-17/+103
| | | | | | | | | Breakpoints did not work because the data cache was not flushed properly. As a bonus add capability to write to memory marked as read only by the MMU, which allows software breakpoints in such memory regions.
* ARM920T scanchain 15 comments/cleanupDavid Brownell2010-02-161-51/+112
| | | | | | | | | | | | | | | | | For folk who don't know the ARM920 JTAG interface very well, the two modes of scan chain 15 access to CP15 are confusing. Make those parts of the ARM920 code less opaque, by: - Adding comments referencing the relevant parts of the TRM, catching up to similar updates in the User's Guide. - Replacing magic numbers in physical access clients with symbolic equivalents. No functional change. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* gpl: fix GPL startup messageØyvind Harboe2010-02-152-2/+3
| | | | Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* LPC1768.cfg -- partial fixes for bogus reset-init handlerDavid Brownell2010-02-151-4/+4
| | | | | | | | | Cortex-M targets don't support ARM instructions. Leave the NVIC.VTOR setup alone, but comment how the whole routine looks like one big bug... Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* fix crash with DSP563XXMathias Kuester2010-02-141-0/+25
| | | | | | | | | | | When a DSP563xx-aware GDB asks OpenOCD for target registers, the result should be a GDB with register data ... not an OpenOCD crash. (Note that mainline GDB doesn't currently support this core, so for now, this requires a GDB with FreeScale patches.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* NEWS: mention removal of obsolete commandsDavid Brownell2010-02-131-0/+2
| | | | | | | | | | | | | Removed remaining support for various commands, like advice for migrating old-style TAP declarations. The documentation no longer describes them either ... so if users have been delaying config updates, they may need to consult older releases. ALL this stuff has been clearly marked as "do not use" for at least a year now, so anyone still using it hasn't been holding up their end. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Restore "-dev" version suffix (0.4.0-rc2-dev)David Brownell2010-02-131-1/+1
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* v4.0-rc2 milestoneDavid Brownell2010-02-131-1/+1
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* STR9xpec: issue warning when unlocking deviceSpencer Oliver2010-02-121-0/+8
| | | | | | | Issue warning to user when unlocking or writing the option bytes. The new settings will not take effect until a target reset. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* STM32x: issue warning when unlocking device (bug #16)Spencer Oliver2010-02-121-2/+6
| | | | | | | Issue warning to user when unlocking or writing the option bytes. The new settings will not take effect until a target reset. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* arm720t: virt2phys callback addedØyvind Harboe2010-02-121-4/+14
| | | | | | | | This is a copy and paste of arm926ejs. Not tested, but ready for testing at least. There is a good chance that it will work if the generic armv4_5 fn's are robust enough... Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* arm920: add virt2phys fnMarc Pignat2010-02-121-3/+13
| | | | | | | Copy of the 926ejs function. I have tested it only using my rtems application (where virtual address mapping == physical). Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* target library: configuration files for openocd tested with Atmel SAM-ICE V6 ↵Viktar Palstsiuk2010-02-112-0/+119
| | | | | | JTAG. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* User's Guide: "#" in filesystems names is badDavid Brownell2010-02-101-6/+14
| | | | | | | | Sometimes MS-Windows users try to use filesystem names which include the "#" character. That's generally unwise, since it begins Tcl comments. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* arm11: fix another infinite loop bugØyvind Harboe2010-02-101-4/+23
| | | | | | | | | | | | | reset init would get stuck in an infinite loop when e.g. khz was too high. Added timeout. This is a copy of paste of a number of such bugfixes in the arm11 code. Arm11 code reviewed for further such infinite loop bugs and I couldn't find any more. Xing fingers it's the last one... Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* User's Guide: clarify jtag_rclk adviceDavid Brownell2010-02-101-2/+4
| | | | | | | | | | Not all cores and boards support adaptive clocking, so qualify all advice to use it to depend on core and board support. It's primarily ARM cores which support this; and many of the newer ones (like Cortex-M series) don't. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target: add todo in target_write_memory() about alignmentØyvind Harboe2010-02-091-2/+13
| | | | | | | target_write_buffer() does not align "buffer" in host memory passed to target_write_memory(). Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* str730.cfg: fix incorrect mem regionsSpencer Oliver2010-02-091-2/+2
| | | | | | - update str73x mem regions to correct values. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* Re-title Developer's GuideDavid Brownell2010-02-061-2/+2
| | | | | | | | | | | | The Doxygen output was previously titled "OpenOCD Reference Manual", which was quite misleading ... the User's Guide is the reference manual which folk should consult about how to use the software. Just rename it to match how it's been discussed previously, and to bring out its intended audience: developers of this software. As a rule, Doxygen is only for folk who work with the code it documents. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ADIv5: doxygenDavid Brownell2010-02-062-32/+138
| | | | | | | | | | | | | | | | | Provide doxygen for many of the public ADIv5 interfaces (i.e. the ones called from Cortex core support code). Add FIXMEs (and a TODO) to help resolve implementation issues which became more apparent when trying to document this code: - Error-prone context-sensitivity (queued/nonqueued) in many procedures. - Procedures that lie by ignoring errors and wrongly claiming success. Also, there was no point in a return from dap_ap_select(); it can't fail, and no caller checks its return status. Clean that up, make it void. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* zy1000: complete zy1000_uart to jim command switchØyvind Harboe2010-02-051-6/+6
| | | | Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* ARMv7-M: make DAP commands verify target is an ARMv7-MDavid Brownell2010-02-042-3/+31
| | | | | | | | Init the ARMv7-M magic number. Define predicate verifying it. Use it to resolve a lurking bug/FIXME: make sure the ARMv7-M specific DAP ops reject non-ARMv7-M targets. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Documentation: mention bug databaseDavid Brownell2010-02-042-1/+14
| | | | | | | Have the User's Guide and BUG handling notes both reference the fact that we now have a bug database at SourceForge. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* JLink: reference protocol documentationDavid Brownell2010-02-041-0/+4
| | | | | | | Segger publishes some documentation on this protocol; reference it, so future maintainers can know it exists. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* CMD: duplicate cmd error msgSpencer Oliver2010-02-041-1/+4
| | | | | | | | | When registering cmds we report duplicate attempts to register a cmd as a LOG_ERROR. Some situations need this, such as when registering dual flash banks. http://www.mail-archive.com/openocd-development@lists.berlios.de/msg11152.html Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* scripts: Phytec/LPC2350 config scriptsEthan Eade2010-02-042-0/+124
| | | | Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* JTAG: fix bug when no interface connectedSpencer Oliver2010-02-031-0/+7
| | | | | | - fix coredump when OpenOCD is started without a jtag interface connected. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* AT91R40008/Ethernut 3 configurationHarald Kipp2010-02-022-32/+95
| | | | | | | | | | Moved board specific settings from target/at91r40008.cfg to a new file board/ethernut3.cfg. Set correct CPUTAPID. Reset delay increased, see MIC2775 data sheet. Increased work area size from 16k to 128k. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* NOR: User's Guide updatesDavid Brownell2010-02-021-6/+5
| | | | | | | | | | | | Remove long-obsolete text about "erase_check" affecting "flash info" output. Move parts of that text to "protect_check", where it's still relevant; and update the "flash info" description to mention the issue. (This is still awkward. It might be best to make "protect_check" mirror "erase_check" by dumping what it finds, so "flash info" doesn't dump any potentially-stale cache info.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* tcl/str7x: Reset init unlocks the flashEdgar Grimberg2010-02-022-2/+17
| | | | | | | | | | | For STR7x flash, the device cannot be queried for the protect status. The solution is to remove the protection on reset init. The driver also initialises the sector protect field to unprotected. [dbrownell@users.sourceforge.net: line length shrinkage] Signed-off-by: Edgar Grimberg <edgar.grimberg@zylin.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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