[RTEMS Project] #4115: Cortex-A9 MPCore based BSPs should include the workaround for Errata 794072 and 845369

RTEMS trac trac at rtems.org
Fri Oct 16 04:39:17 UTC 2020


#4115: Cortex-A9 MPCore based BSPs should include the workaround for Errata 794072
and 845369
-----------------------------+------------------------------
 Reporter:  Sebastian Huber  |       Owner:  Sebastian Huber
     Type:  defect           |      Status:  closed
 Priority:  normal           |   Milestone:  6.1
Component:  arch/arm         |     Version:  6
 Severity:  normal           |  Resolution:  fixed
 Keywords:                   |  Blocked By:
 Blocking:                   |
-----------------------------+------------------------------
Changes (by Sebastian Huber <sebastian.huber@…>):

 * status:  assigned => closed
 * resolution:   => fixed


Comment:

 In [changeset:"cf1682130c096a52fff7b54b30720c6ee2732789/rtems"
 cf16821/rtems]:
 {{{
 #!CommitTicketReference repository="rtems"
 revision="cf1682130c096a52fff7b54b30720c6ee2732789"
 bsps/arm: Add workaround for Errata 794072

 Add a workaround for Cortex-A9 Errata 845369: A short loop including a DMB
 instruction might cause a denial of service on another which executes a
 CP15
 broadcast operation.

 Close #4115.
 }}}

--
Ticket URL: <http://devel.rtems.org/ticket/4115#comment:4>
RTEMS Project <http://www.rtems.org/>
RTEMS Project


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