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target-ppc: Initialize OpenPIC properly

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When lowering an IRQ line, we search for the line we're supposed to lower.

Usually we run into an optimization there that queues up interrupts. This
queue ends with -1. Unfortunately we didn't set the first item to -1.

This patch fixes this, making interrupts work on PPC64.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Alexander Graf 2009-12-18 23:37:26 +01:00 • committed by Aurelien Jarno
parent 0aced4e219
commit d14ed2548c
1 changed files with 2 additions and 0 deletions
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2
hw/openpic.c
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@ -442,7 +442,9 @@ static void openpic_reset (void *opaque)
opp->dst[i].pctp = 0x0000000F;
opp->dst[i].pcsr = 0x00000000;
memset(&opp->dst[i].raised, 0, sizeof(IRQ_queue_t));
opp->dst[i].raised.next = -1;
memset(&opp->dst[i].servicing, 0, sizeof(IRQ_queue_t));
opp->dst[i].servicing.next = -1;
}
/* Initialise timers */
for (i = 0; i < MAX_TMR; i++) {