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Bit 5 shouldn't be used. Remove all support for modifying it.
Matches the exception vector table, of course ... more than one
bootloader uses that non-vector to help distinguish valid boot
images from random garbage in flash.
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commands added.
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Some cosmetic cleanup, and switch to a single table mapping
between state names and symbols (vs two routines which only
share that state with difficulty).
Get rid of TAP_NUM_STATES, and some related knowledge about
how TAP numbers are assigned. Later on, this will help us
get rid of more such hardwired knowlege.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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- Use the name mappings all the other code uses:
+ name-to-state ... needed to add one special case
+ state-to-name
- Improve various diagnostics:
+ don't complain about a "valid" state when the issue
is actually that it must be "stable"
+ say which command was affected
- Misc:
+ make more private data and code be static
+ use public DIM() not private dimof()
+ shorten the affected lines
Re the mappings, this means we're more generous in inputs we
accept, since case won't matter. Also our output diagnostics
will be a smidgeon more informative, saying "RUN/IDLE" not
just "IDLE" (emphasizing that there can be side effects).
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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The wrong variable (pc instead of r0) was used. Furthermore, someone
did cover this error by stupidly silencing the compiler warning that
occurred before a dummy void reference to r0 was added to the code.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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When dumping over 100 registers (as on most ARM9 + ETM cores),
aid readability by splitting them into logical groups.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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The register names are perversely not documented as zero-indexed,
so rename them to match that convention. Also switch to lowercase
suffixes and infix numbering, matching ETB and EmbeddedICE usage.
Update docs to be a bit more accurate, especially regarding what
the "trigger" event can cause; and to split the issues into a few
more paragraphs, for clarity.
Make "configure" helptext point out that "oocd_trace" is prototype
hardware, not anything "real".
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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documentation.
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commands and target read/write physical memory callbacks.
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support phys flag to specify bypassing of MMU.
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ssh://gowinex@openocd.git.sourceforge.net/gitroot/openocd/openocd into HEAD
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This is done in a polymorphic implementation in target.c
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This is done in a polymorphic implementation in target.c
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for read only ram(e.g. MMU write protected.
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XSVF improvements:
- Layer parts of XSVF directly over SVF, calling svf_add_statemove()
instead of expecting jtag_add_statemove() to conform to the SVF/XSVF
requirements (which it doesn't).
This should improve XSTATE handling a lot; it removes most users of
jtag_add_statemove(), and the comments about how it should really do
what svf_add_statemove() does.
- Update XSTATE logic to be a closer match to the XSVF spec. The main
open issue here is (still) that this implementation doesn't know how
to build and submit paths from single-state transitions ... but now
it will report that error case.
- Update the User's Guide to mention the two utility scripts for
working with XSVF, and to mention the five extension opcodes.
Handling of state transition paths is, overall, still a mess. I think
they should all be specified as paths not unlike SVF uses, and compiled
to the bitstrings later ... so that we can actually make sense of the
paths. (And see the extra clocks, detours through RUN, etc.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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TCP/IP client/server scheme.
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Don't add extra TCK in current state; exit from RESET had four extras.
Only IDLE --> IDLE needs such an extra clock. (At least one TCK must
be issued.)
Allow entry to RESET; SVF allows it, so must we (despite those entries
being commented out of the statemove table).
When entering RESET, always use TLR ... we might end up with extra clocks
in reset that way, which is harmless, but we'll never end up in any other
state than RESET, which is useful paranoia.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Lightly tested on dm365.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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As decided a while back, this isn't a transition we want to chance.
Whenever someone wants to got to RESET, force it.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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SVF: comment the predefined/default paths; make them static const
SVF, XSVF: whitespace fixes, mostly so copyrights display sanely
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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This is unfortunately needed to make stdio work like OpenOCD expects -- matching
the ANSI-C standard, instead of MS-Windows.
I tested it in both MinGW-W64 on Vista 64 and MinGW-W32 on XP, and I don't
see any adverse effects to enabling it for all MinGW versions.
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After reading a bit further, it appears that ws2_32 (Windows Sockets 2)
is included in all versions of Windows and backwards compatible with
wsock32, at least according to
http://msdn.microsoft.com/en-us/library/ms740673%28VS.85%29.aspx.
Only Win95 seems to require a manual installation; is not a big deal.
So I think we can drop this whole business of detecting 64 bit MinGW and
just use -lws2_32 for all MinGW platforms.
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Same requirement as like init_reset, and for the same reason:
we need to start with a known and working state.
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Without this fix, the following code cannot be single stepped:
add ip, pc, #1
bx ip
[thumb code here]
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Compilation on cygwin, using gcc v3 with option -mno-cygwin,
currently produces a large number of the following warnings:
warning: `gnu_printf' is an unrecognized format function type
These have been introduced with the recent MinGW GNU C99 printf
compliance patch, as gnu_printf was only introduced with gcc v4.4
and is not recognized with earlier versions.
The attached fix adds gcc version detection to the previous patch
to avoid the problem.
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Assign to "intptr_t", which on some versions of MS-Windows
will widen the variable; then cast to HANDLE.
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On Windows the name is "bin2char.exe".
All operating systems now have "xscale_handler.h".
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Passing "--std=gun99" is unfortunately not sufficient to make current
MinGW compilers conform with respect to checking printf format strings.
(The C runtime seems not to have problems.)
Fix by using a "gnu_printf" format specifier not "printf".
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Use JIM_WIDE_MODIFIER for the sscanf format, and apply it for MINGW32 as
well as other Windows environments. (Microsoft doesn't conform to the
C99 standard, and uses "%I64d" not "%lld" for "long long".)
NB: __MINGW32__ should work on both w32 and w64,.
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Work better when building outside the source tree.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Generate a C struct with the data, and use that, instead of an
assembly language file. The assembly language causes issues on
Darwin and MS-Windows, which don't necessarily use GNU AS; or
if they do, don't necessarily use its ELF syntax.
It's also better in two other ways: fewer global symbols; and
the init-time size check gets optimized away at compile time.
(Unless it fails, in which case bigger chunks of the file vanish.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Just use "%p" instead of consing up some integral type for pointer printf.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Based on some patches from <redirect.slash.nil@gmail.com>
for preliminary Win64 compilation. More such updates are
needed, but they need work. Compile tested on 64 and 32 bit
Linuxes, and Cygwin.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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