#4450: cpu/armv7m: MPU initialized incorrect
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Reporter: Christian Mauderer | Owner: Christian Mauderer
Type: defect | Status: closed
Priority: normal | Milestone:
Component: bsps | Version:
Severity: normal | Resolution: fixed
Keywords: | Blocked By:
Blocking: |
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Changes (by Christian Mauderer <christian.mauderer@…>):
* status: assigned => closed
* resolution: => fixed
Comment:
In [changeset:"8476715a49073c913d44dadb9f57712e461450ee/rtems"
8476715a/rtems]:
{{{
#!CommitTicketReference repository="rtems"
revision="8476715a49073c913d44dadb9f57712e461450ee"
cpu/armv7m: Fix initialization of MPU regions
The write to RBAR didn't have the valid flag set. Therefore the write to
RASR had an influence on the previously set region. That means for
example that if Region 0 had been enabled but 1 should be disabled due
to a size of 0, the previous code would have disabled region 0 instead.
This patch fixes that behaviour.
Close #4450
}}}
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Ticket URL: <http://devel.rtems.org/ticket/4450#comment:2>
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