Changeset 507 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers

Timestamp:

Mar 1, 2013, 5:12:33 PM (12 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Reduced minimum time to display hotkeys. Now it is 2 seconds.
• Brought back IDE controller reset.
• Space savings by merging AH=Dh to AH=0h. AH=Dh is now redirected to AH=9h.

Location:

trunk/XTIDE_Universal_BIOS/Src/Handlers

Files:

• Int13h.asm (modified) (1 diff)
• Int13h/AH0h_HReset.asm (modified) (3 diffs)
• Int13h/AHDh_HReset.asm (deleted)

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h.asm

@@ -378 +378 @@
     dw  UnsupportedFunction                         ; 0Bh, Write Disk Sectors with ECC (XT, AT, EISA)
     dw  AHCh_HandlerForSeek                         ; 0Ch, Seek (All)
-    dw  AHDh_HandlerForResetHardDisk                ; 0Dh, Alternate Disk Reset (All)
+    dw  AH9h_HandlerForInitializeDriveParameters    ; 0Dh, Alternate Disk Reset (All)
     dw  UnsupportedFunction                         ; 0Eh, Read Sector Buffer (XT, PS/1), ESDI Undocumented Diagnostic (PS/2)
     dw  UnsupportedFunction                         ; 0Fh, Write Sector Buffer (XT, PS/1), ESDI Undocumented Diagnostic (PS/2)

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH0h_HReset.asm

@@ -119 +119 @@
     jz      SHORT .ErrorCodeNotUsed
     mov     bl, [di+DPT.bIdevarsOffset]                 ; replace drive number with Idevars pointer for cmp with dl
+.ErrorCodeNotUsed:
 
-.ErrorCodeNotUsed:                                      ; BH will be garbage on exit if this entry point is used,
+    mov     si, ControllerResetForDPTinDSDI
+    call    .CallSIforEveryDrive                        ; Reset all drives to power on settings
+    mov     si, AH9h_InitializeDriveForUse
+    ; Fall to .CallSIforEveryDrive                      ; Initialize all drives
+
+.CallSIforEveryDrive:                                   ; BH will be garbage on exit if this entry point is used,
                                                         ; but reset of all drives will still happen
 
@@ -130 +136 @@
     ; will point to them.  Performance isn't an issue, as this is a reset operation.
     ;
-    mov     cx, (ROMVARS.ideVarsEnd - ROMVARS.ideVarsBegin) / IDEVARS_size
+    mov     cx, NUMBER_OF_IDEVARS
 
 .loop:
+    push    si
     call    FindDPT_ForIdevarsOffsetInDL                ; look for the first drive on this controller, if any
+    pop     si
     jc      SHORT .notFound
 
-    call    AHDh_ResetDrive                             ; reset master and slave on that controller
+    push    bx
+    push    cx
+    push    dx
+    call    si                                          ; Reset Master AND Slave or initialize Master OR Slave drive
+    pop     dx
+    pop     cx
+    pop     bx
     call    BackupErrorCodeFromTheRequestedDriveToBH    ; save error code if same controller as drive from entry
 
@@ -142 +156 @@
     add     dl, IDEVARS_size                            ; move Idevars pointer forward
     loop    .loop
+    ret
 
-.done:
-    ret
+
+;--------------------------------------------------------------------
+; ControllerResetForDPTinDSDI
+;   Parameters:
+;       DS:DI:  Ptr to DPT for drive to reset (resets both Master and Slave drive)
+;       SS:BP:  Ptr to IDEPACK
+;   Returns:
+;       AH:     Int 13h return status
+;       CF:     0 if successful, 1 if error
+;   Corrupts registers:
+;       AL, BX, CX, DX
+;--------------------------------------------------------------------
+ControllerResetForDPTinDSDI:
+%ifdef MODULE_IRQ
+    call    Interrupts_UnmaskInterruptControllerForDriveInDSDI
+%endif
+%ifdef MODULE_ADVANCED_ATA
+    call    Device_ResetMasterAndSlaveController
+    jmp     AdvAtaInit_InitializeControllerForDPTinDSDI
+%else
+    jmp     Device_ResetMasterAndSlaveController
+%endif