[RTEMS Project] #4114: Cortex-A9 MPCore based BSPs should include the workaround for Errata 794072 and 845369

RTEMS trac trac at rtems.org
Fri Oct 16 04:48:31 UTC 2020


#4114: 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:  5.2
Component:  arch/arm         |     Version:  5
 Severity:  normal           |  Resolution:  fixed
 Keywords:                   |  Blocked By:
 Blocking:                   |
-----------------------------+------------------------------
Changes (by Sebastian Huber <sebastian.huber@…>):

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


Comment:

 In [changeset:"e71e271ce15504559f3bda019f5adc9ddb4fd0bf/rtems"
 e71e271/rtems]:
 {{{
 #!CommitTicketReference repository="rtems"
 revision="e71e271ce15504559f3bda019f5adc9ddb4fd0bf"
 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 #4114.
 }}}

--
Ticket URL: <http://devel.rtems.org/ticket/4114#comment:3>
RTEMS Project <http://www.rtems.org/>
RTEMS Project


More information about the bugs mailing list