ARM IHI0031F "Arm Debug Interface Architecture Specification"
chapter C2.6.1 "BASE, Debug Base Address register" reports:
A debugger must handle the following situations as
non-fatal errors:
- ...
- An entry in the ROM Table points to a faulting location.
- ...
Typically, a debugger issues a warning if it encounters
one of these situations. However, Arm recommends that it
continues operating. An example of an implementation that
might cause errors of this type is a system with static
base address or ROM Table entries that enable entire
subsystems to be disabled, for example by a tie-off input,
packaging choice, fuse, or similar.
Don't halt ROM table parsing if one entry causes an error; log the
error condition and continue to next entry.
Not sure if we have to send an ABORT before continuing.
Change-Id: I94fdb5b175bfb07dde378149421582b7e7cd5b09
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6818
Tested-by: jenkins
Reviewed-by: Daniel Goehring <dgoehrin@os.amperecomputing.com>
/* Recurse. "romentry" is signed */
target_addr_t component_base = base_address + (int32_t)(romentry & ARM_CS_ROMENTRY_OFFSET_MASK);
retval = rtp_cs_component(cmd, ap, component_base, depth + 1);
- if (retval != ERROR_OK)
- return retval;
+ if (retval != ERROR_OK) {
+ /* TODO: do we need to send an ABORT before continuing? */
+ LOG_DEBUG("Ignore error parsing CoreSight component");
+ continue;
+ }
}
return ERROR_OK;
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