Changeset 165 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h

Timestamp:

Aug 20, 2011, 6:37:44 PM (13 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Hopefully this commit is successful. Sorry for the mess.

Location:

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h

Files:

• AH25h_HDrvID.asm (modified) (2 diffs)
• AH2h_HRead.asm (modified) (3 diffs)
• AH3h_HWrite.asm (modified) (2 diffs)
• AH4h_HVerify.asm (modified) (2 diffs)
• EBIOS (added)
• EBIOS/AH41h_CheckIfExtensionsPresent.asm (added)
• EBIOS/AH42h_ExtendedReadSectors.asm (added)
• EBIOS/AH43h_ExtendedWriteSectors.asm (added)
• EBIOS/AH44h_ExtendedVerifySectors.asm (added)
• EBIOS/AH47h_ExtendedSeek.asm (added)
• EBIOS/AH48h_GetExtendedDriveParameters.asm (added)
• Tools (added)
• Tools/Address.asm (added)
• Tools/CommandLookup.asm (added)

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH25h_HDrvID.asm

@@ -22 +22 @@
 ALIGN JUMP_ALIGN
 AH25h_HandlerForGetDriveInformation:
+    mov     si, [bp+IDEPACK.intpack+INTPACK.bx]
+%ifdef USE_186
+    push    Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
+    ; Fall to AH25h_GetDriveInformationToBufferInESSIfromDriveInDL
+%else
+    call    AH25h_GetDriveInformationToBufferInESSIfromDriveInDL
+    jmp     Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
+%endif
+
+
+;--------------------------------------------------------------------
+; AH25h_GetDriveInformationToBufferInESSIfromDriveInDL
+;   Parameters:
+;       DL:     Translated Drive number
+;       DS:DI:  Ptr to DPT (in RAMVARS segment)
+;       ES:SI:  Ptr to buffer to receive 512-byte drive information
+;   Returns with INTPACK:
+;       AH:     Int 13h return status
+;       CF:     0 if succesfull, 1 if error
+;   Corrupts registers:
+;       AL, BX, CX, DX
+;--------------------------------------------------------------------
+AH25h_GetDriveInformationToBufferInESSIfromDriveInDL:
+    push    es
     push    bp
+    push    di
+    push    si
 
-    mov     si, [bp+IDEPACK.intpack+INTPACK.bx]
     call    AccessDPT_GetDriveSelectByteToAL
     mov     bh, al
@@ -31 +56 @@
     call    Device_IdentifyToBufferInESSIwithDriveSelectByteInBH
 
+    pop     si
+    pop     di
     pop     bp
-    jmp     Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
+    pop     es
+    ret

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH2h_HRead.asm

@@ -15 +15 @@
 ;       SS:BP:  Ptr to IDEPACK
 ;   Parameters on INTPACK:
-;       AL:     Number of sectors to read (1...255)
+;       AL:     Number of sectors to read (1...127)
 ;       CH:     Cylinder number, bits 7...0
 ;       CL:     Bits 7...6: Cylinder number bits 9 and 8
@@ -29 +29 @@
 AH2h_HandlerForReadDiskSectors:
     cmp     BYTE [bp+IDEPACK.intpack+INTPACK.al], 0
-    je      SHORT AH2h_ExitInt13hSinceSectorCountInIntpackIsZero
+    jle     SHORT AH2h_ExitInt13hSinceSectorCountInIntpackIsZero
 
-    mov     ah, COMMAND_READ_SECTORS    ; Load sector mode command
-    test    BYTE [di+DPT.bFlagsHigh], FLGH_DPT_BLOCK_MODE_SUPPORTED
-    eCMOVNZ ah, COMMAND_READ_MULTIPLE   ; Load block mode command
+    xor     bx, bx
+    call    CommandLookup_OrOldInt13hIndexToBL
+    mov     ah, [cs:bx+g_rgbReadCommandLookup]
     mov     bx, TIMEOUT_AND_STATUS_TO_WAIT(TIMEOUT_DRQ, FLG_STATUS_DRQ)
     mov     si, [bp+IDEPACK.intpack+INTPACK.bx]
@@ -55 +55 @@
     mov     ah, RET_HD_INVALID
     jmp     Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
+

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH3h_HWrite.asm

@@ -15 +15 @@
 ;       SS:BP:  Ptr to IDEREGS_AND_INTPACK
 ;   Parameters on INTPACK:
-;       AL:     Number of sectors to write
+;       AL:     Number of sectors to write (1...127)
 ;       CH:     Cylinder number, bits 7...0
 ;       CL:     Bits 7...6: Cylinder number bits 9 and 8
@@ -28 +28 @@
 AH3h_HandlerForWriteDiskSectors:
     cmp     BYTE [bp+IDEPACK.intpack+INTPACK.al], 0
-    je      SHORT AH2h_ExitInt13hSinceSectorCountInIntpackIsZero
+    jle     SHORT AH2h_ExitInt13hSinceSectorCountInIntpackIsZero
 
-    mov     ah, COMMAND_WRITE_SECTORS   ; Load sector mode command
-    test    BYTE [di+DPT.bFlagsHigh], FLGH_DPT_BLOCK_MODE_SUPPORTED
-    eCMOVNZ ah, COMMAND_WRITE_MULTIPLE  ; Load block mode command
+    xor     bx, bx
+    call    CommandLookup_OrOldInt13hIndexToBL
+    mov     ah, [cs:bx+g_rgbWriteCommandLookup]
     mov     bx, TIMEOUT_AND_STATUS_TO_WAIT(TIMEOUT_DRQ, FLG_STATUS_DRQ)
     mov     si, [bp+IDEPACK.intpack+INTPACK.bx]

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH4h_HVerify.asm

@@ -15 +15 @@
 ;       SS:BP:  Ptr to INTPACK
 ;   Parameters on INTPACK in SS:BP:
-;       AL:     Number of sectors to verify
+;       AL:     Number of sectors to verify (1...127)
 ;       CH:     Cylinder number, bits 7...0
 ;       CL:     Bits 7...6: Cylinder number bits 9 and 8
@@ -27 +27 @@
 AH4h_HandlerForVerifyDiskSectors:
     cmp     BYTE [bp+IDEPACK.intpack+INTPACK.al], 0
-    je      SHORT AH2h_ExitInt13hSinceSectorCountInIntpackIsZero
+    jle     SHORT AH2h_ExitInt13hSinceSectorCountInIntpackIsZero
 
     mov     ah, COMMAND_VERIFY_SECTORS