* [Qemu-devel] Patch: fix init of old_exception
@ 2007-07-31 14:43 Bernhard Kauer
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From: Bernhard Kauer @ 2007-07-31 14:43 UTC (permalink / raw)
To: qemu-devel
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The old_exception field is initialized on startup with 0.
Therefore the very first fault (e.g. #GP) could be converted
to a double fault on an application processor. The attached
patch initialize old_exception on every CPU reset with -1.
Bernhard Kauer
[-- Attachment #2: qemu_init_old_exception.diff --]
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Index: target-i386/helper2.c
===================================================================
RCS file: /sources/qemu/qemu/target-i386/helper2.c,v
retrieving revision 1.47
diff -u -r1.47 helper2.c
--- target-i386/helper2.c 17 Apr 2007 23:08:56 -0000 1.47
+++ target-i386/helper2.c 31 Jul 2007 14:30:55 -0000
@@ -155,6 +155,8 @@
tlb_flush(env, 1);
+ env->old_exception = -1;
+
/* init to reset state */
#ifdef CONFIG_SOFTMMU
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2007-07-31 14:43 [Qemu-devel] Patch: fix init of old_exception Bernhard Kauer
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