Changeset 105099 in vbox for trunk/src/VBox/ValidationKit/bootsectors/bs3kit

Timestamp:

Jul 2, 2024 12:46:58 PM (8 months ago)

Author:

vboxsync

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

163720

Message:

ValKit/bs3-cpu-weird-1: Made the push/pop testcase work in LM16 mode and enabled all the testcases. bugref:10715

File:

• trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-RegCtxRestore.asm (modified) (2 diffs)

trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-RegCtxRestore.asm

@@ -423 +423 @@
         jnz     .iretq_ok
         test    eax, X86LAR_F_D | X86LAR_F_L
-        jnz     .iretq_ok               ; Returning to a big of long SS needs not extra work.
+        jnz     .iretq_ok               ; Returning to a big or long SS needs not extra work.
 
         lar     eax, word [xBX + BS3REGCTX.cs]
@@ -431 +431 @@
 
         ; Convert ss:sp to a flat address.
+        movzx   ecx, cx                 ; 16-bit stacks are 16-bit, so chop the offset down.
         BS3_EXTERN_CMN Bs3SelFar32ToFlat32NoClobber
         call    Bs3SelFar32ToFlat32NoClobber