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* arm7_9: Support VINITHI signalAntonio Borneo2009-12-201-23/+0
| | | | | | | | | | | Command "reset halt" checks if PC properly resets, issueing warning: "PC was not 0. Does this target need srst_pulls_trst?". Checking PC against 0 is not always correct. Removed PC value check, as suggested by Øyvind Harboe. Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com> Signed-off-by: U-PROPRIET-28D9DF\PROPRIETAIRE <PROPRIETAIRE@propriet-28d9df.(none)>
* oocd_trace buildfixesDavid Brownell2009-12-191-4/+4
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ETM: add "etm trigger_debug" commandDavid Brownell2009-12-191-4/+62
| | | | | | | | | | | | | | | | In conjunction with manual register setup, this lets the ETM trigger cause entry to debug state. It should make it easier to test and bugfix the ETM code, by enabling non-trace usage and isolating bugs specific to thef ETM support. (One current issue being that trace data collection using the ETB doesn't yet behave.) For example, many ARM9 cores with an ETM should be able to implement four more (simple) breakpoints and two more (simple) watchpoints than the EmbeddedICE supports. Or, they should be able to support complex breakpoints, incorporating ETM sequencer, counters, and/or subroutine entry/exit criteria int criteria used to trigger debug entry. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ETM: more ETM_CTRL bit cleanupDavid Brownell2009-12-192-56/+49
| | | | | | | | | | | | | | | | | | | Change handling of the CYCLE_ACCURATE, BRANCH_OUTPUT, and TRACE_* flags; also the CONTEXTID size values. - Convert to symbols matching the actual register bits, instead of some random *other* bits (and then correcting that abuse). - Get rid of a now-needless enum. - Keep those values in etm->control, and remove etm->tracemode. These values all affect the trace data that's recorded by a trace pod or in the ETB. I modified the file format used to dump ETB data; since it's fairly clear nobody can use this mechanism now, this can't cause anyone trouble. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ETM: start cleaning up ETM_CTRL bit handlingDavid Brownell2009-12-193-36/+63
| | | | | | | | | | | | | | | | | | | | | Provide better comments for the ETM_CTRL bits; use the correct bit for half/full clock mode; and define a few more of the bits available from the earliest ETM versions. The new bit defintions use ETM_CTRL_* names to match their register (instead of ETM_PORT_* or ETMV1_*). For clarity, and better matching to docs, they are defined with bitshifting not pre-computed masks. Stop abusing typdefs for ETM_CTRL values; such values are not limited to the enumerated set of individual bit values. Rename etm->portmode to etm->control ... and start morphing it into a single generic shadow of ETM_CTRL. Eventually etm->tracemode should vanish, so we can just write etm->control to ETM_CTRL. Restore an "if" that somehow got dropped. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ETM trigger_percent becomes an ETB commandDavid Brownell2009-12-194-52/+58
| | | | | | | | This command was misplaced; it's not generic to all traceport drivers, only the ETB supports this kind of configuration. So move it, and update the relevant documentation. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* XScale: better {read,write}_phys()David Brownell2009-12-181-2/+14
| | | | | | | | We can actually do the right thing if the MMU is off; save the error message for the phys-but-MMU-enabled path, which is what isn't yet supported. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* dsp563xx: cygwin build fixesDavid Brownell2009-12-181-5/+5
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* XScale: use all-ones for BYPASS, not five-onesDavid Brownell2009-12-151-1/+1
| | | | | | PXA3xx has more than five bits in IR. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target: add basic dsp563xx supportmkdorg@users.sourceforge.net2009-12-156-1/+1290
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* ARM11: improved reset supportDavid Brownell2009-12-141-48/+55
| | | | | | | | | | | | | | Teach ARM11 how to use: - the new "reset-assert" event - vector catch to implement "reset halt" - use SRST more like other cores do - ... including leaving post-SRST delays up to config scripts This gives OMAP2420 the ability to reset, and doesn't seem to cause new iMX31 problems. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: disassemble STM correctlyDavid Brownell2009-12-141-2/+5
| | | | | | There is no "STMMIDA" instruction. There is however "STMDAMI". Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target files shouldn't #include <target/...h>David Brownell2009-12-1325-39/+38
| | | | | | | | | | | Make these ".h" files adopt the same policy the ".c" files already follow: don't use <subsystem/...h> syntax for private interfaces. If we ever get reviewed/supported "public" interfaces they should come exclusively from some include/... directory; that'll be the time to switch to <...> syntax for any subsystem's own interfaces. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target: further shrink Jim-awarenessDavid Brownell2009-12-134-7/+10
| | | | | | | | | | | | | Don't include <helper/jim.h> from target.h ... not everything which touches targets needs to be able to talk to Jim. Plus, most files include this header by another path. Also, switch the affected files to use the classic sequence for #included files: all <framework/headers.h> first, then the "local_headers.h". This helps prevent growth of problematic layering, by minimizing entanglement. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM11: avoid pointless status returnsDavid Brownell2009-12-112-16/+11
| | | | | | | | For some routines that only returned ERROR_OK and where the caller never checked ... don't bother. Remove some noise, and bugfix some comments. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM DPM: support updating HW breakpointsDavid Brownell2009-12-112-52/+75
| | | | | | | | | | | Abstract the DPM breakpoint and watchpoint data structures to have a shared core for housekeeping. Abstract the code updating the watchpoint registers so that it can be used to update breakpoint registers. Then do so, when something has set up the breakpoint state used by this code. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: disassembly fixes for LDC/STC/MRRC/MCRRDavid Brownell2009-12-111-18/+33
| | | | | | | Properly detect all of these, including the "2" variants; and bugfix parameter display for LDC and STC. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM11: minor cleanup, mostly ITR commentsDavid Brownell2009-12-112-28/+43
| | | | | | | | | | | | | ITR register handling seemed to be giving me problems, so I updated the comments to better say what the code is trying to do ... and to note the preconditions (one of which seems to be an issue) as listed in the ARM1136 TRM. Also removed the unused "ARM11_TAP_DEFAULT" from the ITR scan code; all the callers already specify an exit path, since this register isn't usable with such vague semantics. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* optimisation: tiny optimisation for embedded iceØyvind Harboe2009-12-111-6/+5
| | | | | | | use two shift operations instead of three to set embedded ice register. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* embedded hosts: optimize common code path for core arm operationsØyvind Harboe2009-12-112-46/+66
| | | | | | | avoid fn call for the if check on whether anything needs to be done. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* ARM: update arm_opcodes.h copyrightDavid Brownell2009-12-091-0/+3
| | | | | | | I neglected to copy Magnus' copyright when I moved several declarations from the ARMv7-M header. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* Comment and doxygen fixesDavid Brownell2009-12-092-4/+14
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ETM: only include oocd_trace.h when tracing enabled.Spencer Oliver2009-12-091-0/+3
| | | | | | Fixes build issue on systems that do not have <termios.h>, eg native win32. Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
* target: remove more exit() callsDavid Brownell2009-12-082-9/+2
| | | | | | | | These were all basically "can't happen" cases ... like having state be corrupted by an alpha particle after the previous check for whether a value was in-range. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target: remove needless "extern"sDavid Brownell2009-12-084-24/+8
| | | | | | | | | | Most of these happened to be in the target.h file. Some of those are associated with symbols that could be removed at some point ... e.g. NVP_ASSERT/true and its sibling NVP_DEASSERT/false. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target: move 'extern' decls to *.h filesDavid Brownell2009-12-085-15/+15
| | | | | | | | The exception being declarations for drivers. Those should be split out in some clean way -- like driver add/remove calls made by initialization code -- but that's for another day. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: cygwin complile fixesDavid Brownell2009-12-081-4/+6
| | | | | | | It's as if despite integers being 32-bits, GCC refuses to convert a "uint32_t" to one of them. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* build: add build/src to include pathØyvind Harboe2009-12-081-1/+2
| | | | | | This allows including generated include files. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
* ARM: cope with stupidheaded compilerDavid Brownell2009-12-071-2/+1
| | | | | | | | Some versions of GCC don't understand that if you mask with 0x3 then have cases 0-3, it's not possible for a variable assigned in all those branches to have no value at end-of-case. Feh. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: list number of HW breakpoints/watchpointsDavid Brownell2009-12-073-0/+12
| | | | | | | | | | | | | | | When starting up, say how many hardware breakpoints and watchpoints are available on various targets. This makes it easier to tell GDB how many of those resources exist. Its remote protocol currently has no way to ask OpenOCD for that information, so it must configured by hand (or not at all). Update the docs to mention this; remove obsolete "don't do this" info. Presentation of GDB setup information is still a mess, but at least it calls out the three components that need setup. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* target: add debug_reason_name()David Brownell2009-12-075-8/+19
| | | | | | | | Provide and use debug_reason_name() instead of expecting targets to call Jim_Nvp_value2name_simple(). Less dependency on Jim, and the code becomes more clear too. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: don't clone arm_arch_state() codeDavid Brownell2009-12-074-33/+8
| | | | | | | | | | | Have various ARM cores delegate to arm_arch_state() to display basic information, instead of duplicating that logic. This shrinks the code, makes them all report when semihosting is active, and highlights which data are specific to this core. (Like ARM720 not having separate instruction and data caches.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: use <target/arm.h> not armv4_5.hDavid Brownell2009-12-0718-194/+225
| | | | | | | | | | | | | | Move most declarations in <target/armv4_5.h> to <target/arm.h> and update users. What's left in the older file is stuff that I think should be removed ... the old register cache access stuff, which makes it awkward to support microcontroller profile (Cortex-M) cores. The armv4_5_run_algorithm() declaration was moved too, even though it's not yet as generic as it probably ought to be. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: rename some generic routinesDavid Brownell2009-12-0715-32/+34
| | | | | | | | | | | | | | | | Rename some (mostly) generic ARM functions: armv4_5_arch_state() --> arm_arch_state() armv4_5_get_gdb_reg_list() --> arm_get_gdb_reg_list() armv4_5_init_arch_info() --> arm_init_arch_info() Cores using the microcontroller profile may want a different arch_state() routine though. (Also fix strange indentation in arm_arch_state: use tabs only! And update a call to it, removing assignment-in-conditional.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: move opcode macros to <target/arm_opcodes.h>David Brownell2009-12-0717-247/+276
| | | | | | | | | | | | | | | Move the ARM opcode macros from <target/armv4_5.h>, and a few Thumb2 ones from <target/armv7m.h>, to more appropriate homes in a new <target/arm_opcodes.h> file. Removed duplicate opcodes from that v7m/Thumb2 set. Protected a few macro argument references by adding missing parentheses. Tightening up some of the line lengths turned up a curious artifact: the macros for the Thumb opcodes are all 32 bits wide, not 16 bits. There's currently no explanation for why it's done that way... Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: remove mrc_opcode(), use MRC() or MCR()David Brownell2009-12-073-20/+32
| | | | | | | | | | | | Get rid of mrc_opcode() in favor of ARMV4_5_MRC() or, where arm*20t should have used it, ARMV4_5_MCR() instead. Basically, *writing* coprocessor registers shouldn't have used the *read* opcode ... and both should stick to standard opcode constructors, not rearranging parameter sequence any more than already needed. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: disassemble two more v6+ instructionsDavid Brownell2009-12-071-12/+71
| | | | | | | | | | | The SRS and RFE instructions speed exception entry/exit by making it easy to save and restore PC and SPSR. This handles both ARM and Thumb2 encodings. Fix minor PLD goofage; that "should never reach this point" can't happen, so remove it. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM DPM: don't write low bits of watchpoint valueDavid Brownell2009-12-071-1/+1
| | | | | | | The low two bits are defined as should-be-zero-or-presereved. We'll take the zero option, it's easier to enforce. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM semihosting: use breakpoint on ARM7Nicolas Pitre2009-12-041-7/+9
| | | | | | | | | | | | Fall back to software breakpoint when vector catch isn't available. Possible enhancements: - add extra optional command parameter to select high vectors - add extra optional command parameter to select hardware breakpoint Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM semihosting: work with both low and high vectorsNicolas Pitre2009-12-041-6/+4
| | | | | Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: doc updates for main headerDavid Brownell2009-12-041-3/+11
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: rename armv4_5_build_reg_cache() as arm_*()David Brownell2009-12-046-11/+10
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: rename armv4_5_algorithm as arm_algorithmDavid Brownell2009-12-043-17/+17
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: misc generic cleanupDavid Brownell2009-12-044-13/+28
| | | | | | | | | | | Remove an undesirable use of the CPSR symbol ... it needs to vanish. Flag mode-to-number stuff as obsolete; say why ... should also vanish. Get rid of no-longer-used mode and state typedefs. Comment a few of the implicit ties to "classic ARM". Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: ARMV4_5_COMMON_MAGIC --> ARM_COMMON_MAGICDavid Brownell2009-12-044-9/+9
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: switch target_to_armv4_5() to target_to_arm()David Brownell2009-12-048-20/+18
| | | | | | And remove that old symbol. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: rename armv4_5_state_* as arm_state_*David Brownell2009-12-0412-23/+23
| | | | | | And make arm_state_strings[] be const. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: rename armv4_5_mode_* AS arm_mode_*David Brownell2009-12-048-39/+39
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: rename ARMV4_5_MODE_* as ARM_MODE_*David Brownell2009-12-048-131/+131
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
* ARM: rename ARMV4_5_STATE_* as ARM_STATE_*David Brownell2009-12-0410-67/+67
| | | | Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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