Changeset 102783 in vbox for trunk/src

Timestamp:

Jan 8, 2024 11:54:39 AM (13 months ago)

Author:

vboxsync

Message:

VMM/IEM: Corrected assertion in iemOpCommonPushSReg for 64-bit mode. bugref:10371

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllInstCommon.cpp.h (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/IEMAllInstCommon.cpp.h

@@ -891 +891 @@
 FNIEMOP_DEF_1(iemOpCommonPushSReg, uint8_t, iReg)
 {
-    Assert(iReg < X86_SREG_FS || !IEM_IS_64BIT_CODE(pVCpu));
+    Assert(iReg >= X86_SREG_FS || !IEM_IS_64BIT_CODE(pVCpu));
     IEMOP_HLP_DEFAULT_64BIT_OP_SIZE();
 
@@ -911 +911 @@
             IEM_MC_LOCAL(uint32_t, u32Value);
             IEM_MC_FETCH_SREG_ZX_U32(u32Value, iReg);
-            IEM_MC_PUSH_U32_SREG(u32Value);
+            IEM_MC_PUSH_U32_SREG(u32Value); /* Intel CPUs do funny things with this instruction. */
             IEM_MC_ADVANCE_RIP_AND_FINISH();
             IEM_MC_END();