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* [Qemu-devel] [PATCH] Store correct IPs
@ 2008-06-04 15:41 Alexander Graf
  0 siblings, 0 replies; only message in thread
From: Alexander Graf @ 2008-06-04 15:41 UTC (permalink / raw)
  To: qemu-devel

[-- Attachment #1: Type: text/plain, Size: 133 bytes --]

If a VMEXIT occurs, the IP value needs to be current. This is the case 
with most instructions, except for CPUID and invlpg.

Alex



[-- Attachment #2: qemu-svn-ip.patch --]
[-- Type: text/x-patch, Size: 766 bytes --]

Index: target-i386/translate.c
===================================================================
--- target-i386/translate.c	(revision 4661)
+++ target-i386/translate.c	(working copy)
@@ -6407,6 +6407,7 @@
         break;
 #endif
     case 0x1a2: /* cpuid */
+        gen_jmp_im(s->pc - s->cs_base);
         tcg_gen_helper_0_0(helper_cpuid);
         break;
     case 0xf4: /* hlt */
@@ -6700,8 +6701,8 @@
                     }
                 } else {
                     gen_lea_modrm(s, modrm, &reg_addr, &offset_addr);
+                    gen_jmp_im(s->pc - s->cs_base);
                     tcg_gen_helper_0_1(helper_invlpg, cpu_A0);
-                    gen_jmp_im(s->pc - s->cs_base);
                     gen_eob(s);
                 }
             }

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2008-06-04 15:41 [Qemu-devel] [PATCH] Store correct IPs Alexander Graf

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