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* armv4_5: remove core_type check in mcr/mrc cmdSpencer Oliver2010-02-281-7/+0
| | | | | | | core_type check is not required as the core function will be null for cores that do not support the mcr/mrc functions. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* stellaris: recover_command use usleep rather than sleepSpencer Oliver2010-02-281-1/+1
| | | | | | | windows api does not define a posix sleep, use usleep that has an openocd wrapper to the win32 native function. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* FT2232: add missing enum when using ftd2xx librarySpencer Oliver2010-02-281-0/+10
| | | | Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* semihosting: add armv7m semihosting supportSpencer Oliver2010-02-283-76/+137
| | | | | | | do_semihosting and arm_semihosting now check the core type and use the generic arm structure. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* semihosting: move semihosting cmd to arm cmd groupSpencer Oliver2010-02-283-44/+68
| | | | | | | | | Move semihosting cmd to the arm cmd group. Targets that support semihosting will setup the setup_semihosting callback function. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* CortexM3: move disassemble cmd to arm cmd groupSpencer Oliver2010-02-281-51/+0
| | | | | | | Rather than using a Cortex disassemble cmd, we now use the arm generic version. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* ARMv7M: add arm cmd groupSpencer Oliver2010-02-282-2/+31
| | | | | | | | - Add arm cmd group to armv7m cmd chain. - arm cmd's now check the core type before running a cmd. - todo: add support for armv7m registers for reg cmd. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* MIPS: add mips algorithm supportSpencer Oliver2010-02-284-82/+392
| | | | | | | | - add mips support for target algorithms. - added handlers for target_checksum_memory and target_blank_check_memory. - clean up long lines Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* ARMv7M: use software breakpoints for algorithmsSpencer Oliver2010-02-285-26/+9
| | | | | | | | - armv7m_run_algorithm now requires all algorithms to use a software breakpoint at their exit address - updated all algorithms to support this Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* Add board/redbee-usb.cfgMariano Alvira2010-02-281-0/+5
| | | | | | | | | | | The Redbee USB is a small form-factor usb stick from Redwire, LLC (www.redwirellc.com/store), built around a Freescale MC13224V ARM7TDMI + 802.15.4 radio (plus antenna). It includes an FT2232H for debugging, with Channel B connected to the mc13224v's JTAG interface (unusual) and Channel A connected to UART1. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* add board/redbee-econotag.cfg and JTAG supportMariano Alvira2010-02-271-0/+103
| | | | | | | | | | | | | | | | | | | | | | | | | | The Redbee Econotag is an open hardware development kit from Redwire, LLC (www.redwirellc.com/store), for the Freescale MC13224V ARM7TDMI + 802.15.4 radio. It includes both an MC13224V and an FT2232H (for JTAG and UART support). It has flexible power supply options. Additional features are: - inverted-F pcb antenna - 36 GPIO brought out to 0.1" pin header (includes all peripheral pins) - Reset button - Two push buttons (on kbi1-5 and kbi0-4) - USB-A connector, powered from USB - up to 16V external input - pads for optional buck inductor - pads for optional 32.768kHz crystal - 2x LEDS on TX_ON and RX_ON [ dbrownell@users.sourceforge.net: shrink lines; texi ] Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* new "stellaris recover" commandDavid Brownell2010-02-271-0/+66
| | | | | | | | | | | | | | | Stellaris chips have a procedure for restoring the chip to what's effectively the "as-manufactured" state, with all the non-volatile memory erased. That includes all flash memory, plus things like the flash protection bits and various control words which can for example disable debugger access. clearly, this can be useful during development. Luminary/TI provides an MS-Windows utility to perform this procedure along with its Stellaris developer kits. Now OpenOCD users will no longer need to use that MS-Windows utility. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ADIv5 DAP ops switching to JTAG or SWD modesDavid Brownell2010-02-272-0/+121
| | | | | | | | | | | Define two new DAP operations which use the new jtag_add_tms_seq() calls to put the DAP's transport into either SWD or JTAG mode, when the hardware allows. Tested with the Stellaris 'Recovering a "Locked" Device' procedure, which loops five times over both of these. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ft2232: implement TMS sequence commandDavid Brownell2010-02-271-2/+72
| | | | | | | Implement the new TMS_SEQ command on FT2232 hardware. Also, swap a bogus exit() call with a clean failure return. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* interface: define TMS sequence commandDavid Brownell2010-02-278-11/+124
| | | | | | | | | | | | | | | | | | | | | | | For support of SWD we need to be able to clock out special bit sequences over TMS or SWDIO. Create this as a generic operation, not yet called by anything, which is split as usual into: - upper level abstraction ... here, jtag_add_tms_seq(); - midlayer implementation logic hooking that to the lowlevel code; - lowlevel minidriver operation ... here, interface_add_tms_seq(); - message type for request queue, here JTAG_TMS. This is done slightly differently than other operations: there's a flag saying whether the interface driver supports this request. (In fact a flag *word* so upper layers can learn about other capabilities too ... for example, supporting SWD operations.) That approach (flag) lets this method *eventually* be used to eliminate pathmove() and statemove() support from most adapter drivers, by moving all that logic into the mid-layer and increasing uniformity between the various drivers. (Which will in turn reduce subtle bugginess.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ft2232: add a mechanism to specify channel in layout structsMariano Alvira2010-02-251-3/+7
| | | | | | | | | | | | | | | | | | | | | | | FT2232-family chips have two or more MPSSE modules. FTDI documentation calls these channels. JTAG adapter drivers thus need to be able to choose which channel to use. (For example, one channel may connect to a board's microcontroller, while another connects to a CPLD.) Since each channel has its own USB interface, libftdi (somewhat confusingly) identifies channels using INTERFACE_* symbols. Most boards use INTERFACE_A for JTAG, which is the default in OpenOCD. But some wire up a different one. Note that there are two facets of what makes a wiring "layout": - The mapping between debug signals map and channel signals ... embedded in C functions. - Label used in Tcl configuration scripts ... part of the "layout" structure. By letting the channel be part of the layout struct, we permit sharing the C functions between Tcl-visible layouts, when those signal mappings are reused. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM ADIv5 doxygen and cleanupDavid Brownell2010-02-241-15/+42
| | | | | | | Add doxygen for mem_ap_read_buf_u{8,16,32}() calls, and shrink a few overlong lines. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* AVR flash: handle AT90CAN128 chipsHans Peter Mortensn2010-02-241-4/+26
| | | | | | | | | I have successfully programmed the AT90CAN128, based on the mega128   with some small modifications. [ dbrownell@users.sourceforge.net: patch cleanup ] Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM ADIv5: rename more JTAG-specific routinesDavid Brownell2010-02-231-11/+11
| | | | | | | Highlight more of the internal JTAG-specific utilities, so it's easier to identify code needing changes to become transport-neutral. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* arm11: improve performance using minidriver hookØyvind Harboe2010-02-221-3/+65
| | | | | | | | | | | | | | | | zy1000 performance for GDB load went from 100kBytes/s to 300kBytes/s @ 8 MHz by implementing the inner loop of unack arm11 memory writes directly on top of the hw fifo. Profiling info: 78.57 0.77 0.77 arm11_run_instr_data_to_core_noack_inner 5.10 0.82 0.05 memcpy 4.08 0.86 0.04 jtag_tap_next_enabled 3.06 0.89 0.03 gdb_input Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* 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>
* 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>
* 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>
* 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>
* 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>
* 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>
* 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>
* 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>
* 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>
* 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>
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