When target was already halted during the initial examination,
arm11_check_init() was trying to read, store and interpret DSCR
contents before the DPM structure is initialised. This caused
a segfault like described on
http://sourceforge.net/apps/trac/openocd/ticket/65 .
This is a totally untested attempt to fix this issue.
Change-Id: I2fff115679a3f0023e7a88c749ccb5f045d6cf01
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2043
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
LOG_DEBUG("IDCODE %08" PRIx32 " IMPLEMENTOR %02x DIDR %08" PRIx32,
device_id, implementor, didr);
LOG_DEBUG("IDCODE %08" PRIx32 " IMPLEMENTOR %02x DIDR %08" PRIx32,
device_id, implementor, didr);
+ /* Build register cache "late", after target_init(), since we
+ * want to know if this core supports Secure Monitor mode.
+ */
+ if (!target_was_examined(target))
+ CHECK_RETVAL(arm11_dpm_init(arm11, didr));
+
/* as a side-effect this reads DSCR and thus
* clears the ARM11_DSCR_STICKY_PRECISE_DATA_ABORT / Sticky Precise Data Abort Flag
* as suggested by the spec.
/* as a side-effect this reads DSCR and thus
* clears the ARM11_DSCR_STICKY_PRECISE_DATA_ABORT / Sticky Precise Data Abort Flag
* as suggested by the spec.
if (retval != ERROR_OK)
return retval;
if (retval != ERROR_OK)
return retval;
- /* Build register cache "late", after target_init(), since we
- * want to know if this core supports Secure Monitor mode.
- */
- if (!target_was_examined(target))
- CHECK_RETVAL(arm11_dpm_init(arm11, didr));
-
/* ETM on ARM11 still uses original scanchain 6 access mode */
if (arm11->arm.etm && !target_was_examined(target)) {
*register_get_last_cache_p(&target->reg_cache) =
/* ETM on ARM11 still uses original scanchain 6 access mode */
if (arm11->arm.etm && !target_was_examined(target)) {
*register_get_last_cache_p(&target->reg_cache) =
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