Changeset 150 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenuPrint.asm

Timestamp:

Apr 29, 2011, 7:04:13 PM (13 years ago)

Author:

aitotat

google:author:

aitotat

Message:

Changes to XTIDE Universal BIOS:

• Redesigned Disk Parameter Tables.
• Code generalizations for supporting non-IDE devices in the future.

File:

• trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenuPrint.asm (modified) (4 diffs)

trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenuPrint.asm

@@ -111 +111 @@
 BootMenuPrint_HardDiskMenuitem:
     call    PrintDriveNumberAfterTranslationFromDL
-    call    FindDPT_ForDriveNumber      ; DS:DI to point DPT
+    call    RamVars_IsDriveHandledByThisBIOS
     jnc     SHORT .HardDiskMenuitemForForeignDrive
     ; Fall to .HardDiskMenuitemForOurDrive
@@ -280 +280 @@
 ALIGN JUMP_ALIGN
 BootMenuPrint_HardDiskMenuitemInformation:
+    call    RamVars_IsDriveHandledByThisBIOS
+    jnc     SHORT .HardDiskMenuitemInfoForForeignDrive
     call    FindDPT_ForDriveNumber      ; DS:DI to point DPT
-    jnc     SHORT .HardDiskMenuitemInfoForForeignDrive
     ; Fall to .HardDiskMenuitemInfoForOurDrive
 
@@ -303 +304 @@
 
     ; Get and push L-CHS size
-    call    HCapacity_GetSectorCountFromOurAH08h
+    mov     [RAMVARS.wTimeoutCounter], dl       ; Store drive number
+    call    AH15h_GetSectorCountToDXAX
     call    ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
 
     ; Get and push total LBA size
-    mov     dl, [di+DPT.bDrvNum]
+    mov     dl, [RAMVARS.wTimeoutCounter]       ; Restore drive number
     call    BootInfo_GetTotalSectorCount
     call    ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
@@ -332 +334 @@
 
     call    DriveXlate_ToOrBack
-    call    HCapacity_GetSectorCountFromForeignAH08h
+    call    AH15h_GetSectorCountFromForeignDriveToDXAX
     call    ConvertSectorCountInBXDXAXtoSizeAndPushForFormat