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authorChris Metcalf <cmetcalf@tilera.com>2012-03-30 16:29:06 -0400
committerChris Metcalf <cmetcalf@tilera.com>2012-04-02 12:14:03 -0400
commite1d5c0195075abaa45cd04ca397dbeaa0d18c490 (patch)
tree6ed1ccb2ab7cfda0dae569f3adbc667e7642dbe3 /firmware/matrox
parentb1760c847ff9d04fba7cdbef005a0ad805311c6d (diff)
arch/tile: avoid accidentally unmasking NMI-type interrupt accidentally
The return path as we reload registers and core state requires that r30 hold a boolean indicating whether we are returning from an NMI, but in a couple of cases we weren't setting this properly, with the result that we could accidentally unmask the NMI interrupt(s), which could cause confusion. Now we set r30 in every place where we jump into the interrupt return path. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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