Changeset 473 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Inc/CustomDPT.inc

Timestamp:

Oct 10, 2012, 6:22:23 PM (13 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Large changes to prepare full XT-CF support (DMA not yet implemented and memory mapped transfers are not working).

File:

• trunk/XTIDE_Universal_BIOS/Inc/CustomDPT.inc (modified) (6 diffs)

trunk/XTIDE_Universal_BIOS/Inc/CustomDPT.inc

@@ -24 +24 @@
 ; Base DPT for all device types
 struc DPT
-    ; General Disk Parameter Table related (Bytes 0...3)
+    ; General Disk Parameter Table related
     .wFlags:
     .bFlagsLow              resb    1
@@ -30 +30 @@
     .bIdevarsOffset         resb    1   ; Offset to IDEVARS for this drive
     .bInitError             resb    1   ; Flags for AH=09h initialization errors
+    .wBasePort              resb    2   ; Segment for JR-IDE/ISA
 
-    ; CHS variables (Bytes 4...8)
+    ; CHS variables
     .wLchsCylinders         resb    2   ; (1...1027, yes 1027)
     .wLchsHeadsAndSectors:
@@ -43 +44 @@
     .wPchsCylinders         resb    2
     .twLbaSectors           resb    6   ; 48-bit sector count for LBA addressing
-%endif
-
-%ifdef MODULE_8BIT_IDE
-    .wXTCFport              resb    2   ; Autodetected XT-CF port
 %endif
                             alignb  2   ; WORD alignent for DPT_SERIAL or DPT_ATA
@@ -96 +93 @@
     FLG_INITERROR_FAILED_TO_SET_PIO_MODE                EQU (1<<5)
     FLG_INITERROR_FAILED_TO_INITIALIZE_STANDBY_TIMER    EQU (1<<6)
-    FLG_INITERROR_FAILED_TO_ENABLE_8BIT_PIO_MODE        EQU (1<<7)
+    FLG_INITERROR_FAILED_TO_SET_XTCF_MODE               EQU (1<<7)
 
 
 
 ; DPT for ATA devices
-struc DPT_ATA   ; 10/18 bytes + 2 bytes = 12/20 bytes
+struc DPT_ATA
     .dpt                    resb    DPT_size
+    .bDevice                resb    1   ; Device Type from IDEVARS (overrided when 32-bit controller detected)
     .bBlockSize             resb    1   ; Current block size in sectors (do not set to zero!)
-    .bDevice                resb    1   ; Device Type from IDEVARS (overrided when 32-bit controller detected)
 endstruc
 
@@ -112 +109 @@
 ; EBDA must be reserved for DPTs when using these!
 %ifdef MODULE_ADVANCED_ATA
-struc DPT_ADVANCED_ATA  ; 12/20 bytes + 8 bytes = 20/28 bytes
+struc DPT_ADVANCED_ATA
     .dpt_ata                resb    DPT_ATA_size
     .wControllerID          resb    2   ; Controller specific ID WORD (from Advanced Controller detection)
@@ -125 +122 @@
 ; DPT for Serial devices
 %ifdef MODULE_SERIAL
-struc DPT_SERIAL    ; 8/18 bytes + 2 bytes = 10/20 bytes
+struc DPT_SERIAL
     .dpt                    resb    DPT_size
     .wSerialPortAndBaud: