Changeset 6158 in vbox for trunk/src/recompiler

Timestamp:

Dec 19, 2007 9:38:18 PM (17 years ago)

Author:

vboxsync

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

26903

Message:

Fixed reporting of segment not present exceptions when using call gates to match Intel manuals. Either #NP or #SS must be raised, not #TS or #GP.

File:

• trunk/src/recompiler/target-i386/helper.c (modified) (3 diffs)

trunk/src/recompiler/target-i386/helper.c

@@ -720 +720 @@
             raise_exception_err(EXCP0A_TSS, ss & 0xfffc);
         if (!(ss_e2 & DESC_P_MASK))
+#ifdef VBOX /* See page 3-477 of 253666.pdf */
+            raise_exception_err(EXCP0C_STACK, ss & 0xfffc);
+#else
             raise_exception_err(EXCP0A_TSS, ss & 0xfffc);
+#endif
         new_stack = 1;
         sp_mask = get_sp_mask(ss_e2);
@@ -2207 +2211 @@
                 raise_exception_err(EXCP0D_GPF, gate_cs & 0xfffc);
             if (!(e2 & DESC_P_MASK))
+#ifdef VBOX /* See page 3-514 of 253666.pdf */
+                raise_exception_err(EXCP0B_NOSEG, gate_cs & 0xfffc);
+#else
                 raise_exception_err(EXCP0D_GPF, gate_cs & 0xfffc);
+#endif
             limit = get_seg_limit(e1, e2);
             if (new_eip > limit)
@@ -2399 +2407 @@
                 raise_exception_err(EXCP0A_TSS, ss & 0xfffc);
             if (!(ss_e2 & DESC_P_MASK))
+#ifdef VBOX /* See page 3-99 of 253666.pdf */
+                raise_exception_err(EXCP0C_STACK, ss & 0xfffc);
+#else
                 raise_exception_err(EXCP0A_TSS, ss & 0xfffc);
+#endif
             
             //            push_size = ((param_count * 2) + 8) << shift;