Changeset 66138 in vbox

Timestamp:

Mar 16, 2017 4:27:11 PM (8 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

114044

Message:

IEM: Implemented AAS.

Location:

trunk/src/VBox/VMM/VMMAll

Files:

• IEMAllInstructionsOneByte.cpp.h (modified) (2 diffs)
• IEMAllInstructionsPython.py (modified) (3 diffs)

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

@@ -901 +901 @@
  * @opfltest    af,cf
  * @opflmodify  cf,pf,af,zf,sf,of
- * @opflundef   of
+ * @opflundef   pf,zf,sf,of
  * @opgroup     og_gen_arith_dec
  * @optest      efl&~=af ax=9      -> efl&|=nc,po,na,nz,pl,nv
  * @optest      efl&~=af ax=0      -> efl&|=nc,po,na,zf,pl,nv
+ * @optest      efl&~=af ax=0x00f0 -> ax=0x0000 efl&|=nc,po,na,zf,pl,nv
+ * @optest      efl&~=af ax=0x00f9 -> ax=0x0009 efl&|=nc,po,na,nz,pl,nv
  * @optest      efl|=af  ax=0      -> ax=0x0106 efl&|=cf,po,af,nz,pl,nv
  * @optest      efl|=af  ax=0x0100 -> ax=0x0206 efl&|=cf,po,af,nz,pl,nv
@@ -1007 +1009 @@
 /**
  * @opcode      0x3f
- */
-FNIEMOP_STUB(iemOp_aas);
+ * @opfltest    af,cf
+ * @opflmodify  cf,pf,af,zf,sf,of
+ * @opflundef   pf,zf,sf,of
+ * @opgroup     og_gen_arith_dec
+ * @optest      efl&~=af ax=0x0009 -> efl&|=nc,po,na,nz,pl,nv
+ * @optest      efl&~=af ax=0x0000 -> efl&|=nc,po,na,zf,pl,nv
+ * @optest      efl&~=af ax=0x00f0 -> ax=0x0000 efl&|=nc,po,na,zf,pl,nv
+ * @optest      efl&~=af ax=0x00f9 -> ax=0x0009 efl&|=nc,po,na,nz,pl,nv
+ * @optest      efl|=af  ax=0x0000 -> ax=0xfe0a efl&|=cf,po,af,nz,pl,nv
+ * @optest      efl|=af  ax=0x0100 -> ax=0xff0a efl&|=cf,po,af,nz,pl,nv
+ * @optest      efl|=af  ax=0x000a -> ax=0xff04 efl&|=cf,pe,af,nz,pl,nv
+ * @optest      efl|=af  ax=0x010a -> ax=0x0004 efl&|=cf,pe,af,nz,pl,nv
+ * @optest      efl|=af  ax=0x020a -> ax=0x0104 efl&|=cf,pe,af,nz,pl,nv
+ * @optest      efl|=af  ax=0x0f0a -> ax=0x0e04 efl&|=cf,pe,af,nz,pl,nv
+ * @optest      efl|=af  ax=0x7f0a -> ax=0x7e04 efl&|=cf,pe,af,nz,pl,nv
+ * @optest      efl|=af  ax=0xff0a -> ax=0xfe04 efl&|=cf,pe,af,nz,pl,nv
+ * @optest      efl&~=af ax=0xff0a -> ax=0xfe04 efl&|=cf,pe,af,nz,pl,nv
+ * @optest      efl&~=af ax=0xff09 -> ax=0xff09 efl&|=nc,po,na,nz,pl,nv
+ * @optest      efl&~=af ax=0x000b -> ax=0xff05 efl&|=cf,po,af,nz,pl,nv
+ * @optest      efl&~=af ax=0x000c -> ax=0xff06 efl&|=cf,po,af,nz,pl,nv
+ * @optest      efl&~=af ax=0x000d -> ax=0xff07 efl&|=cf,pe,af,nz,pl,nv
+ * @optest      efl&~=af ax=0x000e -> ax=0xff08 efl&|=cf,pe,af,nz,pl,nv
+ * @optest      efl&~=af ax=0x000f -> ax=0xff09 efl&|=cf,po,af,nz,pl,nv
+ */
+FNIEMOP_DEF(iemOp_aas)
+{
+    IEMOP_MNEMONIC0(FIXED, AAS, aas, DISOPTYPE_HARMLESS | DISOPTYPE_INVALID_64, 0); /* express implicit AL/AX register use */
+    IEMOP_HLP_NO_64BIT();
+    IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
+    IEMOP_VERIFICATION_UNDEFINED_EFLAGS(X86_EFL_OF | X86_EFL_OF);
+
+    return IEM_MC_DEFER_TO_CIMPL_0(iemCImpl_aas);
+}
+
 
 /**

trunk/src/VBox/VMM/VMMAll/IEMAllInstructionsPython.py

@@ -2015 +2015 @@
             sFlatSection = self.flattenAllSections([asSectionLines,]);
             if not sFlatSection:
-                self.errorComment(iTagLine, '%s: missing value' % ( sTag,));
+                self.errorComment(iTagLine, '%s: missing value (dbg: aasSections=%s)' % ( sTag, aasSections));
                 continue;
             oTest = InstructionTest(oInstr);
@@ -2318 +2318 @@
                 # Process the previous tag.
                 #
+                if not asCurSection and len(aasSections) > 1:
+                    aasSections.pop(-1);
                 if sCurTag in self.dTagHandlers:
                     self.dTagHandlers[sCurTag](sCurTag, aasSections, iCurTagLine, iLine);
@@ -2345 +2347 @@
         # Process the final tag.
         #
+        if not asCurSection and len(aasSections) > 1:
+            aasSections.pop(-1);
         if sCurTag in self.dTagHandlers:
             self.dTagHandlers[sCurTag](sCurTag, aasSections, iCurTagLine, iLine);