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struct flash_driver has a default_padded_value field that is similar,
but it can be changed by the user for the specific purpose of padding.
Add a new erased_value field and initialize it for all targets,
particularly stm32lx, xmc4xxx and virtual.
Use this value in core.c:default_flash_mem_blank_check(), the slow path.
Extend the target API to pass erased_value down to target code.
Adding an argument ensures that we catch all callers.
This allows us to merge xmc4xxx.c:xmc4xxx_blank_check_memory() into
armv7m:armv7m_blank_check_memory().
It further allows us to use default_flash_blank_check() in place of
xmc4xxx.c:xmc4xxx_flash_blank_check(), adding a potential slow path
fallback, as well as stm32lx:stm32lx_erase_check(), adding the potential
armv7m fast path with fallback to default_flash_mem_blank_check().
Fix a mips32 code comment while at it (zeroed -> erased).
The armv4_5 and mips32 target implementations will now error out if an
erase value other than 0xff is used, causing default_flash_blank_check()
to fall back to the default_flank_mem_blank_check() slow path.
Change-Id: I39323fbbc4b71c256cd567e439896d0245d4745f
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-on: http://openocd.zylin.com/3497
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
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- FPU detection and FPU register support added for Cortex-M7.
There is no apparent difference between FPv4 and FPv5_SP but ...
- Autoincrement range for MEM-AP added for Cortex-M7
This patch together with #3526 replaces #3123 except for stm32f7x.cfg.
Change-Id: I5ed5392e3835674160563ff37d67622a7bf2c877
Signed-off-by: Andreas Bolsch <hyphen0break@gmail.com>
Reviewed-on: http://openocd.zylin.com/3531
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
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Change-Id: Ie13e8af0bb74ed290f811dcad64ad06c9d8cb4fa
Signed-off-by: Marc Schink <openocd-dev@marcschink.de>
Reviewed-on: http://openocd.zylin.com/2956
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
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Also make GPL notices consistent according to:
https://www.gnu.org/licenses/gpl-howto.html
Change-Id: I84c9df40a774958a7ed91460c5d931cfab9f45ba
Signed-off-by: Marc Schink <openocd-dev@marcschink.de>
Reviewed-on: http://openocd.zylin.com/3488
Tested-by: jenkins
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
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Change the debug_ap and memory_ap fields of the cortex_a target and
the debug_ap field of the cortex_m target to be pointers to the
struct adiv5_ap instead of AP numbers in some known DAP.
This reduces the dependency on the DAP struct in the targets and
enables MEM-AP accesses to take the relevant AP as parameter.
Change-Id: I39d7b134d78000564b7eec5bff464adf0ef89147
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-on: http://openocd.zylin.com/3147
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
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Separate out the values from adiv5_dap that are associated with a specific AP into a new struct, so we can properly support multiple APs. Remove the DAP struct from the armv7* structs, because we can have multiple CPUs per DAP, and we shouldn't have multiple DAP structs. Tidy up a few places where ap_current is used incorrectly.
Change-Id: I0c6ef4b49cc86b140366347aaf9b76c07cbab0a8
Signed-off-by: Patrick Stewart <patstew@gmail.com>
Reviewed-on: http://openocd.zylin.com/2984
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
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Prepare to support multiple cortex-m cores on one DAP. Uses mem_ap_sel_*
functions and removes mem_ap_* functions. Adds a new debug_ap
parameter to the cortex_m (currently set to zero as in existing code).
Change-Id: I6926029d1e7bf44a42d453d1aff349bda824ba72
Signed-off-by: Patrick Stewart <patstew@gmail.com>
Reviewed-on: http://openocd.zylin.com/2983
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
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Change-Id: I184042d277a52f3940d6d6c13f3d94afc557933d
Signed-off-by: Marc Schink <openocd-dev@marcschink.de>
[andreas.fritiofson@gmail.com: don't check pointers before free()]
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-on: http://openocd.zylin.com/2881
Tested-by: jenkins
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This provides support for various trace-related subsystems in a
generic and expandable way.
Change-Id: I3a27fa7b8cfb111753088bb8c3d760dd12d1395f
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2538
Tested-by: jenkins
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This is runtime and valgrind tested with l0, l1 and f3 hla boards.
Change-Id: I49b0b042253d5f3bf216997f0203583db319fe23
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2516
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
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Change-Id: I875cfab8dec4ade72ed9c9cd7d52baaca182a1ef
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/2295
Tested-by: jenkins
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Change-Id: I4296b812f0211011ccf3da8d203545dfba493903
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/2053
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
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Now that we support the target description format we do not need
these hacks anymore, we can now tell gdb what registers we support.
Change-Id: Ie774231d296420b35efcf708bc4435475c87ff5e
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/1617
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
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* Add a parameter in .get_gdb_reg_list() to return different
register lists as generating target description.
* Modify STRUCT REG to let gdb generate target description
according to register information.
The modified structure of register is
struct reg {
const char *name;
uint32_t number; /* for regnum="num" */
struct reg_feature *feature; /* for register group feature name */
bool caller_save; /* for save-restore="yes|no" */
void *value;
bool dirty;
bool valid;
bool exist;
uint32_t size;
struct reg_data_type *reg_data_type; /* for type="type" */
const char *group; /* for group="general|float|vector" */
void *arch_info;
const struct reg_arch_type *type;
};
Change-Id: I2096b67adf94518ba0b8b23d8c6a9f64ad7932b8
Signed-off-by: Hsiangkai Wang <hsiangkai@gmail.com>
Reviewed-on: http://openocd.zylin.com/1382
Tested-by: jenkins
Reviewed-by: Franck Jullien <franck.jullien@gmail.com>
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
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Change-Id: I429f7fd51f77b0e7c86d7a7f110ca31afd76c173
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/1426
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
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Change-Id: I0c15acc1278d2972269d294078495e6b069c830b
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/969
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
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This removes the armv7m::core_cache and uses the generic arm::core_cache.
Change-Id: If854281b31486cea8be005008f6a71a691b4c208
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/968
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
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This simplifies the armv7m_core_reg structure ready for the move to using
the generic struct arm_reg.
Change-Id: I8edb9d77cc54965d49cd2e754568ebcea4cf6964
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/967
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
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To simplify things change over to using the generic core_mode struct rather
than maintaining a armv7m specific one.
Change-Id: Ibf32b785d896fef4f33307fabe0d8eb266f7086f
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/966
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
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This enables us to better handle some of the low level functions that the
stlink does not support. It also enables us to share a few more of the
standard cortex_m3 functions if necessary.
Change-Id: I7a2c57450122012ec189245d8879d8967913e00e
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/637
Tested-by: jenkins
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The stlink partially supports the cortex-m4 fp regs and requires these
defines to build.
Change-Id: Id3aa802ecc7006cb6d9f84b79ab3c21af24c1001
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/545
Tested-by: jenkins
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This patch add fp feature detection on cortex-m4.
Change-Id: I99e9d1bf5534630a22b8ad9c878165683db2d0ba
Signed-off-by: Mathias K <kesmtp@freenet.de>
Reviewed-on: http://openocd.zylin.com/524
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
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Signed-off-by: Mathias K <kesmtp@freenet.de>
Change-Id: I0bfad091bd8adabd949fc0a74ef3a08a514eb307
Reviewed-on: http://openocd.zylin.com/519
Reviewed-by: Peter Stuge <peter@stuge.se>
Tested-by: jenkins
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Change-Id: Ia055b6d2b5f6449a38afd0539a8c66e7d7e0c059
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/430
Tested-by: jenkins
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This move will enable use to share with regmaps with the stlink target.
Change-Id: If8f41c7c53323d5074cb22ec3440530c1e402004
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/377
Tested-by: jenkins
Reviewed-by: Øyvind Harboe <oyvindharboe@gmail.com>
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Split armv7m_run_algorithm into two pieces and use them to reimplement it.
The arch_info parameter is used to keep context between the two calls, so
both calls must refer to the same armv7m_algorithm struct. Ugly but works
for a proof-of-concept.
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
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Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Unused. If something should happen after context restore, then the
calling code can just do it afterwards.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
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Get rid of needless and undesirable code duplication for
all the DAP commands (resolving a FIXME) ... there's no
need for coreas to have private copies of that stuff.
Stick a pointer to the DAP in "struct arm", letting common
code get to it.
Also rename the "swjdp_info" symbol; just call it "dap".
This is an overall code shrink.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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This partially corrects an inappropriate name choice (and its
associated FIXME).
There are still too many variables named "swjdp", bug little
current code actually relies on them referencing an SWJ-DP instead
of some other flavor of DAP. Only the two new dap_to{swd,jtag}()
calls could behave differently on an SWJ-DP instead of a SW-DP or
a JTAG-DP.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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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>
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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>
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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>
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This updates three aspects of debugger/exception interactions:
- Save the user's "vector_catch" setting, and restore it after reset.
Previously, it was obliterated (rather annoyingly) each time.
- Don't catch BusFault and HardFault exceptions unless the user says
to do so. Target firmware may need to handle them.
- Don't modify SHCSR to prevent escalating BusFault to HardFault.
Target firmware may expect to handle it as a HardFault.
Those simplifications fix several bugs. In one annoying case, OpenOCD
would cause the target to lock up on ome faults which triggered after
the debugger disconnected.
NOTE: a known remaining issue is that OpenOCD can still leave DEMCR
set after an otherwise-clean OpenOCD shutdown.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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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>
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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>
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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>
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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>
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "armv4_5.h"
the following form should be used.
#include <target/armv4_5.h>
The exception is from .c files in the same directory.
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Changes from the flat namespace to heirarchical one. Instead of writing:
#include "arm_adi_v5.h"
the following form should be used.
#include <target/arm_adi_v5.h>
The exception is from .c files in the same directory.
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Uses chaining of command_registration structures to eliminate all
target_type register_callback routines. Exports the command_handler
registration arrays for those target types that are used by others.
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All ARM cores need to provide obsolete FPA registers in their
GDB register dumps. (Even though cores with floating point
support now generally use some version of VFP...)
Clean up that support a bit by sharing the same dummy registers,
and removing the duplicate copies. Eventually we shouldn't need
to export those dummies.
(This makes the ARMv7-M support include the armv4_5 header, and
cleans up related #includes, but doesn't yet use anything from
there except those dummies.)
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
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Eliminate redundant check that gets covered by using unsigned type.
Created to eliminate noise from subsequent patches, but this kind of
conversion will be beneficial in similar ways throughout the tree.
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Remove misleading typedef and redundant suffix from struct command_context.
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Remove misleading typedef and redundant suffix from struct target.
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Remove misleading typedef and redundant suffix from struct reg.
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Remove misleading typedef and redundant suffix from struct reg_cache.
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Remove misleading typedef and redundant suffix from struct armv7m_core_reg.
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Remove misleading typedef and redundant suffix from struct armv7m_algorithm.
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Remove misleading typedef and redundant suffix from struct armv7m_common.
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