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Search and destroy the jtag_tap_t typedef. This also cleans up a
layering violation, removing the declaration from types.h.
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Remove useless structure typedef.
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By introducing the CMD_NAME macro, this parameter may be integrated
as args[-1] in command.[ch], without touching any other call sites.
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By using CALL_COMMAND_HANDLER, parameters can be reordered, added, or
even removed in inherited signatures, without requiring revisiting
all of the various call sites.
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Define the numerous helpers that inherit command handler parameters
using the COMMAND_HELPER macro.
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Add 'const' keyword to 'char *' parameters to allow command handlers to
pass constant string arguments. These changes allow the 'args' command
handler to be changed to 'const' in a subsequent patch.
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Start switching MMU handling over to a more sensible scheme.
Having an mmu() method enables MMU-aware behaviors. Not having
one kicks in simpler ones, with no distinction between virtual
and physical addresses.
Currently only a handful of targets have methods to read/write
physical memory: just arm720, arm920, and arm926. They should
all initialize OK now, but the arm*20 parts don't do the "extra"
stuff arm926 does (which should arguably be target-generic).
Also simplify how target_init() loops over all targets by making
it be a normal "for" loop, instead of scattering its three parts
to the four winds.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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- improve some names -- a "default" prefix is not descriptive
- add doxygen @todo entries for some issues
- avr8 isn't ever going to need those MMU hooks
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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And shrink a few too-long lines.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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This patch removes the last batch of forward references from the tree,
moving the target command registration routines to the end of the file.
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This patch introduced a bug preventing flash writes from working
on Cortex-M3 targets like the STM32. Moreover, it's the wrong
approach for handling no-MMU targets.
The right way to handle no-MMU targets is to provide accessors
for physical addresses, and use them everywhere; and any code
which tries to work with virtual-to-physical mappings should use
a identity mapping (which can be defaulted).
And ... we can tell if a target has an MMU by seeing if it's
got an mmu() method. No such methood means no MMU.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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It's been about a year since these were deprecated and, in most
cases, removed. There's no point in carrying that documentation,
or backwards compatibility for "jtag_device" and "jtag_speed",
around forever. (Or a few remnants of obsolete code...)
Removed a few obsolete uses of "jtag_speed":
- The Calao stuff hasn't worked since July 2008. (Those Atmel
targets need to work with a 32KHz core clock after reset until
board-specific init-reset code sets up the PLL and enables a
faster JTAg clock.)
- Parport speed controls don't actually work (tops out at about
1 MHz on typical HW).
- In general, speed controls need to live in board.cfg files (or
sometimes target.cfg files), not interface.cfg ...
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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This patch changes the duration_* API in several ways. First, it
updates the API to use better names. Second, string formatting has
been removed from the API (with its associated malloc). Finally, a
new function added to convert the time into seconds, which can be
used (or formatted) by the caller. This eliminates hidden calls to
malloc that require associated calls to free().
This patch also removes the useless extern keyword from prototypes,
and it eliminates the duration_t typedef (use 'struct duration').
These API also allows proper error checking, as it is possible for
gettimeofday to fail in certain circumstances.
The consumers have all been chased to use this new API as well, as
there were relatively few cases doing this type of measurement.
In most cases, the code performs additional checks for errors, but
the calling code looks much cleaner in every case.
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Resolve serious bug inserted by the "target: require working
area for physical/virtual addresses to be specified" patch.
It forced use of (invalid) virtual addresses when the MMU
was disabled, and vice versa.
Observed to break at least Cortex-M3, ARM926, ARM7TDMI whenever
work areas are used, such as during bulk writes to flash, DDR2,
SRAM, and so on.
Also, fix overlong lines and whitespace goofs.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Passes cmd_ctx into parse_load_image_command_args for reporting the
parsing errors therein.
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Now matches machine code syntax and old arm11 syntax.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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This avoids polluting help for targets that can never support mrc/mcr
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Fail watchpoint_add() if it's the same address but the
parameters are different ... don't just assume having
the same address means the same watchpoint! (Note that
overlapping watchpoints aren't detected...)
Handle unrecognized return codes more sanely; don't exit()!
And describe command params right.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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improve default target->read/write_phys_memory, produce
more sensible error messages if the mmu interface
functions have not been implemented yet vs. will
not be implemented(e.g. cortex m3).
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Fixed bug: if virtual address for working memory was not specified
and MMU was enabled, then address 0 would be used.
Require working address to be specified for both MMU enabled
and disabled case.
For some completely inexplicable reason this fixes the regression
in svn 2646 for flash write in arm926ejs target. The logs showed
that MMU was disabled in the case below:
https://lists.berlios.de/pipermail/openocd-development/2009-November/011882.html
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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commands added.
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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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support phys flag to specify bypassing of MMU.
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Signed-off-by: Yauheni Kaliuta <y.kaliuta@gmail.com>
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Observed:
openocd: core.c:318: jtag_checks: Assertion `jtag_trst == 0' failed.
The issue was that nothing disabled background polling during calls
from the TCL shell to "jtag_reset 1 1". Fix by moving the existing
poll-disable mechanism to the JTAG layer where it belongs, and then
augmenting it to always pay attention to TRST and SRST.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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files; omitted src/httpd
git-svn-id: svn://svn.berlios.de/openocd/trunk@2742 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- Shrink messaging during resets, primarily by getting rid of
"nothing happened" noise that hides *useful* information.
- Improve: the "no IDCODE" message by identifying which tap only
supports BYPASS; and the TAP event strings.
Related minor code updates:
- Remove two needless tests when examining the chain: we know
we have a TAP, and that all TAPs have names.
- Clean up two loops, turning "while"s into "for"s which better
show what's actually being done.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2736 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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and Tcl/external):
- Reorder so *both* paths (TCK/TMS or TRST) can enable TAPs with
ICEpick ... first C code flags TAPs that got disabled, then call
any Tcl code that might want to re-enable them.
- Always call the C/internal handlers when JTAG operations can be
issued; previously that wasn't done when TRST was used.
Plus some small cleanups (whitespace, strings, better messaging
during debug and on some errors) to reset-related code.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2730 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2693 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2692 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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jtag/core.c copy & pasted.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2690 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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accesses. Use 16 bit access on tailend of a memory read if possible.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2684 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2650 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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various target-specific
reset operations. Maybe they can't; or it's a "not yet" thing.
Note that the assert/deassert operations can't yet trigger for
OMAP3 because resets currently include JTAG reset in all cases,
resetting the ICEpick and thus disabling the TAP for Cortex-A8.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2620 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2615 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- spell "address" right
- list bp/wp params as optional
And make those source lines wrap at sane margins.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2596 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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Simplify dumping of register lists by only printing cached values
if they are marked as valid. Most of the time, they are invalid;
so printing *any* value is just misleading.
Note that for ARM7 and ARM9 most EmbeddedICE registers (except for
debug status) could be cached most of the time; and their register
cache isn't maintained properly (many accesses seem to bypass that
cache code).
git-svn-id: svn://svn.berlios.de/openocd/trunk@2594 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2549 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2478 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2411 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2409 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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- Replace '\s*$' with ''.
git-svn-id: svn://svn.berlios.de/openocd/trunk@2379 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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git-svn-id: svn://svn.berlios.de/openocd/trunk@2378 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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