Changeset 42968 in vbox for trunk/src/VBox/Devices

Timestamp:

Aug 24, 2012 8:29:35 AM (12 years ago)

Author:

vboxsync

Message:

BIOS: Set transferred sector count for AHCI reads/writes.

File:

• trunk/src/VBox/Devices/PC/BIOS/ahci.c (modified) (2 diffs)

trunk/src/VBox/Devices/PC/BIOS/ahci.c

@@ -502 +502 @@
     ahci_port_init(bios_dsk->ahci_seg :> 0, bios_dsk->ahcidev[device_id].port);
     ahci_cmd_data(bios_dsk, AHCI_CMD_READ_DMA_EXT);
+    DBG_AHCI("%s: transferred %lu bytes\n", __func__, ((ahci_t __far *)(bios_dsk->ahci_seg :> 0))->aCmdHdr[1]);
+    bios_dsk->drqp.trsfsectors = bios_dsk->drqp.nsect;
 #ifdef DMA_WORKAROUND
     rep_movsw(bios_dsk->drqp.buffer, bios_dsk->drqp.buffer, bios_dsk->drqp.nsect * 512 / 2);
@@ -531 +533 @@
     ahci_port_init(bios_dsk->ahci_seg :> 0, bios_dsk->ahcidev[device_id].port);
     ahci_cmd_data(bios_dsk, AHCI_CMD_WRITE_DMA_EXT);
+    DBG_AHCI("%s: transferred %lu bytes\n", __func__, ((ahci_t __far *)(bios_dsk->ahci_seg :> 0))->aCmdHdr[1]);
+    bios_dsk->drqp.trsfsectors = bios_dsk->drqp.nsect;
     high_bits_restore(bios_dsk->ahci_seg :> 0);
     return 0;   //@todo!!