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[Qemu-devel] [PATCH] PPC: Initialize OpenPIC properly
From: |
Alexander Graf |
Subject: |
[Qemu-devel] [PATCH] PPC: Initialize OpenPIC properly |
Date: |
Fri, 18 Dec 2009 23:37:26 +0100 |
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 <address@hidden>
---
hw/openpic.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/hw/openpic.c b/hw/openpic.c
index 42db59d..1e4b3c1 100644
--- a/hw/openpic.c
+++ b/hw/openpic.c
@@ -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++) {
--
1.6.0.2
- [Qemu-devel] [PATCH] PPC: Initialize OpenPIC properly,
Alexander Graf <=