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* 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>
* 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>
* flash/str7x: After reset init the flash is unlockedEdgar Grimberg2010-02-021-2/+14
| | | | | | | | | | | | | | The default state of the STR7 flash after a reset init is unlocked. The information in the flash driver now reflects this. The information about the lock status cannot be read from the flash chip, so the user is informed that flash info might not contain accurate information. [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>
* ARM semihosting: fix EOF handling with SYS_READNicolas Pitre2010-02-021-1/+1
| | | | | | | | The semihosting interface has a strange convention for read/write where the unused amount of buffer must be returned. We failed to return the total buffer size when the local read() call returned 0. Signed-off-by: Nicolas Pitre <nico@marvell.com>
* gdb: restore behavior from 0.3.1 for srst_asserted and power_restoreØyvind Harboe2010-02-012-15/+46
| | | | | | | | srst_asserted and power_restore can now be overriden to do nothing. By default they will "reset init" the targets and halt gdb. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* ADIv5: more messaging cleanup, docsDavid Brownell2010-01-311-12/+20
| | | | | | | | | When the TAR cache was explicitly invalidated, don't bother printing it; the actual hardware status is more informative. Provide some doxygen for the MEM-AP setup routine. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* build: fix problems with "struct stat" not being defined under eCosØyvind Harboe2010-01-311-0/+1
| | | | | | | Include <sys/stat.h> according to http://www.opengroup.org/onlinepubs/000095399/functions/stat.html Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* telnet: fix strage blank spaces at beginning of telnet linesØyvind Harboe2010-01-311-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | Sometimes we saw two strange blank spaces at the beginning of the telnet lines. progress ogress > This patch fixes this problem: progress progress > The code changes are *reasonably* clean, but perhaps it could be made a bit more elegant, but I didn't want to change things after I finished diagnosis/testing & submitting the patch. The problem was that logging can send the text and the newline separately in two different requests and the telnet code would incorrectly remove the prompt from the end of a line. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* Subject: ADIv5: fix more diagnosticsDavid Brownell2010-01-311-9/+16
| | | | | | | | | | | If the MEM-AP cache is invalid, don't display it; just report that invalidity as an error. (This bug has been observed with "mdw 0 32" after just a "reset halt". Some code is being wrongly bypassed...) If it's valid, display that cache at DEBUG level, not ERROR. Also, don't assume it's an AHB-AP; it could be another flavor of MEM-AP. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ADIv5 error checking for Tcl commandsDavid Brownell2010-01-301-1/+17
| | | | | | | | | Reject invalid AP numbers (256+) as Tcl operation parameters. Shrink one of the overlong lines. Add my copyright to the ADIv5 code (multiple contributions). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM ADIv5: fix diagnostics for block writesDavid Brownell2010-01-301-5/+14
| | | | | | They were reporting "read" errors, not "write" errors. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ADIv5: cleanup, rename swjdp_transaction_endcheck()David Brownell2010-01-293-34/+43
| | | | | | | | | | | | | | | | Make messages reference "DAP" if they're actually transport-agnostic, or "JTAG-DP" when they're JTAG-specific. Saying SWJ-DP is often wrong (on most Cortex-A8 chips) and is confusing even if correct (since we don't yet support SWD). Rename a JTAG-specific routine to jtagdp_transaction_endcheck() to highlight that it's JTAG-specific, and that identify DAP clients undesirably depending on JTAG. (They will all need to change for SWD support.) Shrink a few overlong lines of code. Copy a comment from code removed in a previous patch (for the ARMv7-M "dap baseaddr" command). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARMv7-M: use command handler for "dap baseaddr".David Brownell2010-01-291-30/+1
| | | | | | | | | | Make the ARMv7-M DAP code reuse the command handler for "dap baseaddr". For some reason, this DAP command wasn't converted earlier. This is a code shrink and simplification; it also removes a needless transport dependency on JTAG. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* NOR: cleanup driver declsDavid Brownell2010-01-2918-202/+200
| | | | | | Fix goofy struct indents. Function names *are* their addresses. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Clang buildfixesAlex Austin2010-01-292-1/+11
| | | | | | | | | Building with clang took a few very small changes. The change to helper/log.h is because clang doesn't like an expression where the result is unused. In helper/system.h, I just defined true and false since clang doesn't have them builtin. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: reference DPM defn from v6/v7 arch specDavid Brownell2010-01-281-0/+6
| | | | | | | | The term "DPM" is probably not well known ("Device Power Management"?), so identify its source in the current ARM architecture specification. It's relevant to ARMv6, ARMv7-A, and ARMv7-R ... but not "M" profiles. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM semihosting: win32 and cygwin fixesSpencer Oliver2010-01-282-16/+32
| | | | | | | | | | | | Cygwin would fail to reopen a previously written file if the mode is not given. Simplified converting the open flags and made sure the win32 O_BINARY bit is set. Added define for systems that do not support O_BINARY. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* ARM semihosting: fix writing to stdoutSpencer Oliver2010-01-282-8/+6
| | | | | | | | SYS_FLEN would be called before a write on a descriptor to check its size. Currently lseek would fail with -1 when given the stdout/stderr descriptor. Changing to use fstat seems to be the standard way of handling this. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* Cortex-M3: report lockup, and recoverDavid Brownell2010-01-271-0/+15
| | | | | | | | | | | | ARMv7-M defines a "lockup" state that's entered in certain double fault sequences which can't be recovered from without external help. OpenOCD has previously ignored this. Issue a diagnostic saying the chip has locked up, and force exit from this state by halting the core. It's not clear this is the best way to handle lockup; but there should now be less confusion. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM ADIv5: messaging tweaksDavid Brownell2010-01-271-2/+5
| | | | | | | Add space missing after the invalid ACK value. On init, say which AP is being used, and don't assume it's an AHP-AP. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Cortex-A8: debug messaging tweaksDavid Brownell2010-01-271-5/+6
| | | | | | | Make that "TODO" message say what needs to be done. Say what part of examining failed. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* cygwin buildfixDavid Brownell2010-01-261-2/+2
| | | | | | | isspace() parameter must be an integer, else a 'char' gets used as an array index (sigh). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* SVF: all content between parentheses is one parametersimon qian2010-01-251-14/+29
| | | | | | | | | | | | | | | | | | | | | | | | | More SVF fixes: * Treat all content between parentheses as part of the same parameter; don't (wrongly) treat whitespace as a delimiter. * Use isspace() to catch that whitespace; it's not all single spaces, newlines etc are also valid. * When parsing bitstrings, strip leading whitespace too. So for example, these are equivalent and should (now) be OK: "TDI( 1234 )" "TDI( 1 2 3 4 )" "TDI(00 12 34 )" "TDI( 00 12 34)" [dbrownell@users.sourceforge.net: comment updates; trivial cleanup] Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* core arm11: Silence logs at level 3 if there is no activityEdgar Grimberg2010-01-252-5/+7
| | | | | | | | If the target and openocd are idling, the log should normally be silent at level 3. (Given no verbose logging options.) Signed-off-by: Edgar Grimberg <edgar.grimberg@zylin.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* SVF: insert space before '(' and after ')'simon qian2010-01-231-7/+29
| | | | | | | | | | | | | See http://forum.sparkfun.com/viewtopic.php?p=90983#90983 for discussion; basically, the SVF parser wrongly expects "TDI (123)" but the space is optional and it should accept "TDI(123)" too. In the same way, "TDI(123)TDO(456)" should work too. Rather than update the command parsing, this just makes sure the expected spaces are present. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* EmbeddedICE - fix Feroceon/Dragonite messageDavid Brownell2010-01-221-2/+9
| | | | | | | The breakpoint/watchpoint message was wrong for Feroceon and Dragonite, which have only one working watchpoint unit. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM11: fix breakpoints with GDBDavid Brownell2010-01-221-9/+15
| | | | | | | | | | | This fixes a bug whereby GDB's breakpoints weren't activated. The root cause is a confused interface to resume(). Fix by almost ignoring the "handle breakpoints" parameter; it only seems related to the case of skipping breakpoint-at-PC. Update a few coments to clarify what's happening. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Various doc/comment updatesDavid Brownell2010-01-211-0/+1
| | | | | | | | Doxygen: don't be needlessly verbose; alphabetically sort members TODO: add random bits; clarify which manuals are referenced ARM disassembler: mention a few opcodes that still aren't handled Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ADIv5 header cleanup (+ #defines)David Brownell2010-01-211-7/+27
| | | | | | | | | | Update the comments about DP registers and some of the bitfields. Remove inappropriate (and unused) DP_ZERO declaration. Add some (currently unused) #defines needed for SWD protocol support, based on previous patches from Andreas Fritiofson and Simon Qian. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target: print reason why GDB haltsØyvind Harboe2010-01-211-0/+10
| | | | | | | | | | | If GDB halts unexpectedly, print reason: srst assert or power out detected. If polling fails, then things are a bit trickier. We do not want to spam telnet or the log with polling failed messages. Leave that case be w/a comment in a code for now. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* target: Fixed format problem for mdhEdgar Grimberg2010-01-211-1/+1
| | | | | | Fixed format problem for mdh. It needs to display 4 chars. Signed-off-by: Edgar Grimberg <edgar.grimberg@zylin.com>
* gdb_server: handle stepi/continue packet while target is running with more graceØyvind Harboe2010-01-211-9/+14
| | | | | | | | | | Rather than issuing a halt and then stepi/resume, just wait for target to halt. Issue a sterner warning via gdb console that any gdb register changes will be ignored in this case. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* ecos: add missing PRId8 definitionØyvind Harboe2010-01-211-0/+1
| | | | Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* BUILD: remove cygwin gcc 3.4.4 build warningsSpencer Oliver2010-01-203-4/+4
| | | | Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* gdb_server: correctly report flash sector sizesDavid Brownell2010-01-201-31/+46
| | | | | | | | | | | | | | | Report each region of same-size sectors separately, instead of incorrectly reporting that every sector has the same size. This is a longstanding bug on NOR flash chips with non-uniform sector sizes. It was largely hidden by other bugs in flash handling. When some of those were recently fixed, this one was exposed as a regression on str710. [oyvind.harboe@zylin.com: update the loop to behave on str7 ] Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* arm7/9: add nags upon reset about options to improve performanceØyvind Harboe2010-01-201-0/+10
| | | | | | arm7_9 fast_memory_access and working area nags added. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* ARMV7M: handle bkpt instruction on resume/stepSpencer Oliver2010-01-203-2/+63
| | | | | | | | | | Skip over a bkpt instruction if found on resume/step. Only software breakpoints known to OpenOCD are currently handled. So this handles the special case of either a user added bkpt or library added, eg. semi-hosting support. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* gdb_server -- subroutinize memory map logicDavid Brownell2010-01-191-107/+116
| | | | | | | | Put the memory map logic into its own subroutine. This will make it a bit easier to package bugfixes, and simplifies the query packet handling. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* gdb_server -- symbol cleanupDavid Brownell2010-01-192-62/+105
| | | | | | | | Make most methods static; net minor object code shrink. Likewise various data symbols; no net change. Shrink some overlong lines. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* update win32 script search pathAndreas Fritiofson2010-01-191-5/+5
| | | | | | | | | | | | | | | | | The default script search path on Windows is out of date with the current layout (from installation and documentation), which makes the standard script library not be found after a normal ./configure && make && make install under msys/MinGW. The same should hold true for cygwin native builds (not verified). Update search path to ../share/openocd/scripts not ../lib/openocd, relative to the openocd executable. Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* NOR: fix diagnosticDavid Brownell2010-01-191-1/+1
| | | | | | | The "NOR: last_addr also needs correction when checking alignment" patch omitted a necessary update to the key diagnostic; fix. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* zy1000: flush jtag buffer before changing speedØyvind Harboe2010-01-191-0/+3
| | | | | | | | | It is conceivable that there could be commands in the queue when a speed change request comes in. Flush the hw queue before changing speed. Not observed, found by inspection. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* zy1000: print out PCB revision upon bootØyvind Harboe2010-01-191-1/+5
| | | | | | Simplify debugging a bit. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* flash: add error messages upon incorrect arguments to flash iterationØyvind Harboe2010-01-191-0/+6
| | | | | | | | According to OpenOCD error handling rules the error is logged at where it occurs(same site where an exception would have been thrown). Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* vsllink -- add commentDavid Brownell2010-01-181-0/+3
| | | | | | | Previous patch deserved *inline* comment, not just in git revision history. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* commands: allow scan_chain command to be executed during configØyvind Harboe2010-01-181-1/+1
| | | | | | | Adding taps and then dumping them is quite reasonable thing to do in a config script. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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