Changeset 613 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Device/Device.asm

Timestamp:

May 27, 2021, 6:25:17 PM (3 years ago)

Author:

aitotat

Message:

Added more complex way to limit illegal P-CHS Cylinders. This way more modifications can be easily made later if necessary.
Updated biosdrvs to display unmodified and modified CHS.

File:

• trunk/XTIDE_Universal_BIOS/Src/Device/Device.asm (modified) (3 diffs)

trunk/XTIDE_Universal_BIOS/Src/Device/Device.asm

@@ -88 +88 @@
 ;   Parameters:
 ;       BH:     Drive Select byte for Drive and Head Select Register
+;       CX:     XUB_INT13h_SIGNATURE to ignore illegal ATA-ID values, otherwise
+;               correct them (only used if NOT build with NO_ATAID_CORRECTION)
 ;       DX:     Autodetected port (for devices that support autodetection)
 ;       DS:     Segment to RAMVARS
@@ -98 +100 @@
 ;       AL, BX, CX, DX, SI, DI, ES
 ;--------------------------------------------------------------------
+Device_IdentifyToBufferInESSIwithDriveSelectByteInBH:
+%ifndef NO_ATAID_CORRECTION
+    cmp     cx, XUB_INT13h_SIGNATURE
+    je      SHORT .DoNotFixAtaInformation
+    push    es
+    push    si
+    ePUSH_T cx, AtaID_PopESSIandFixIllegalValuesFromESSI    ; Here we modify ATA information if necessary
+.DoNotFixAtaInformation:
+%endif
+
 %ifdef MODULE_SERIAL    ; IDE + Serial
-Device_IdentifyToBufferInESSIwithDriveSelectByteInBH:
     cmp     BYTE [cs:bp+IDEVARS.bDevice], DEVICE_SERIAL_PORT
 %ifdef USE_386
@@ -112 +123 @@
 
 %else                   ; IDE
-    Device_IdentifyToBufferInESSIwithDriveSelectByteInBH    EQU     IdeCommand_IdentifyDeviceToBufferInESSIwithDriveSelectByteInBH
+    jmp     IdeCommand_IdentifyDeviceToBufferInESSIwithDriveSelectByteInBH
 %endif