Changeset 3930 in vbox

Timestamp:

Jul 31, 2007 7:36:53 AM (17 years ago)

Author:

vboxsync

Message:

Another attempt at fixing geometry problems with VMDK files.

File:

• trunk/src/VBox/Devices/PC/DevPcBios.cpp (modified) (1 diff)

trunk/src/VBox/Devices/PC/DevPcBios.cpp

@@ -303 +303 @@
         if (VBOX_SUCCESS(rc))
         {
+            PDMBIOSTRANSLATION enmTranslation;
+            rc = pBlockBios->pfnGetTranslation(pBlockBios, &enmTranslation);
+            if (    VBOX_SUCCESS(rc) && enmTranslation == PDMBIOSTRANSLATION_LBA
+                &&  cCylinders >= 1024 && cSectors == 63 && (cHeads == 16 || cHeads == 32 || cHeads == 64 || cHeads == 128 || cHeads == 255))
+            {
+                uint32_t cTotalSectors = cCylinders * cHeads * cSectors;
+                cHeads = 16;
+                cCylinders = cTotalSectors / 16 / 63;
+            }
             Log2(("pcbiosCmosInitHardDisk: offInfo=%#x: CHS=%d/%d/%d\n", offInfo, cCylinders, cHeads, cSectors));
             pcbiosCmosWrite(pDevIns, offType, 47);                              /* 19h - First Extended Hard Disk Drive Type */