[RTEMS Project] #4579: Stack is not properly aligned during interrupt processing

[RTEMS trac]

#4579: Stack is not properly aligned during interrupt processing
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  Reporter:  Sebastian Huber  |      Owner:  Sebastian Huber
      Type:  defect           |     Status:  assigned
  Priority:  normal           |  Milestone:  6.1
 Component:  arch/arm         |    Version:  4.11
  Severity:  normal           |   Keywords:
Blocked By:                   |   Blocking:
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 On a public boundary, the stack pointer must be aligned on an 8-byte
 boundary. However, it may temporarily be only aligned on a 4-byte
 boundary. The interrupt handling code must ensure that the stack pointer
 is properly aligned before it calls a function. See also:

 https://developer.arm.com/documentation/den0013/d/Interrupt-Handling
 /External-interrupt-requests/Nested-interrupt-handling

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Ticket URL: <http://devel.rtems.org/ticket/4579>
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