Changeset 9572

Timestamp:

06/10/08 15:47:22 (6 months ago)

Author:

vboxsync

Message:

IDE: Make SCO OpenServer? disk detection work

Files:

• trunk/src/VBox/Devices/Storage/DevATA.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Storage/DevATA.cpp

@@ -3211 +3211 @@
-            ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
-            break;
+        case ATA_SEEK: /* Used by the SCO OpenServer. Command is marked as obsolete */
+            ataCmdOK(s, 0);
+            ataSetIRQ(s); /* Shortcut, do not use AIO thread. */
+            break;
-        case ATA_READ_NATIVE_MAX_ADDRESS:
-            ataSetSector(s, RT_MIN(s->cTotalSectors, 1 << 28) - 1);
@@ -4699 +4703 @@
-        case VAL(2, 2): *pu32 = ataBMDMAStatusReadB(pCtl, Port); break;
-        case VAL(4, 4): *pu32 = ataBMDMAAddrReadL(pCtl, Port); break;
+        case VAL(0, 4):
+            /* The SCO OpenServer tries to read 4 bytes starting from offset 0. */
+            *pu32 = ataBMDMACmdReadB(pCtl, Port) | (ataBMDMAStatusReadB(pCtl, Port) << 16);
+            break;
-        default:
-            AssertMsgFailed(("%s: Unsupported read from port %x size=%d\n", __FUNCTION__, Port, cb));