From: Gerd Hoffmann <kraxel@redhat.com>
Date: Thu, 10 Sep 2009 09:43:23 +0000 (+0200)
Subject: isapc: Fix irq routing
X-Git-Tag: TizenStudio_2.0_p2.3.2~208^2~10657
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2c8d9340203c7f19265fd4cb2341f568217a3af6;p=sdk%2Femulator%2Fqemu.git

isapc: Fix irq routing

Only send irqs to ioapic in case we have one.
Fixes qemu segfault.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---

diff --git a/hw/pc.c b/hw/pc.c
index 6292001..9af0cdb 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -100,7 +100,8 @@ static void isa_irq_handler(void *opaque, int n, int level)
     if (n < 16) {
         qemu_set_irq(isa->i8259[n], level);
     }
-    qemu_set_irq(isa->ioapic[n], level);
+    if (isa->ioapic)
+        qemu_set_irq(isa->ioapic[n], level);
 };
 
 static void ioport80_write(void *opaque, uint32_t addr, uint32_t data)