Changeset 93828 in vbox

Timestamp:

Feb 17, 2022 1:26:05 PM (3 years ago)

Author:

vboxsync

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

150029

Message:

VGABIOS: Set DS correctly before calling into C POST code.

File:

• trunk/src/VBox/Devices/Graphics/BIOS/vgarom.asm (modified) (1 diff)

trunk/src/VBox/Devices/Graphics/BIOS/vgarom.asm

@@ -69 +69 @@
 vgabios_entry_point:
 
+  jmp vgabios_init
+
+        org     1Eh
+
+        db      'IBM',0
+
+vgabios_init:
+;; We have to set ds to access the right data segment
+  push  cs
+  pop   ds
+  cld
   jmp _vgabios_init_func
-
-        org     1Eh
-
-        db      'IBM',0
 
 ;;