Changeset 397 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/VariablesAndDPTs

Timestamp:

Apr 19, 2012, 11:11:41 AM (12 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Cleaned some code concerning recent module changes.
• Removed drive number translation flag from ROMVARS.
• BOOTMENUINFO is now DRVDETECTINFO.
• Makefile now builds tiny binary (XT build with minimal features).

Location:

trunk/XTIDE_Universal_BIOS/Src/VariablesAndDPTs

Files:

• BootVars.asm (modified) (1 diff)
• DrvDetectInfo.asm (moved) (moved from trunk/XTIDE_Universal_BIOS/Src/VariablesAndDPTs/BootMenuInfo.asm) (4 diffs)

trunk/XTIDE_Universal_BIOS/Src/VariablesAndDPTs/BootVars.asm

@@ -33 +33 @@
 BootVars_Initialize:
     ; Clear to zero
-    mov     al, BOOTMENUINFO_size
+    mov     al, DRVDETECTINFO_size
     mul     BYTE [cs:ROMVARS.bIdeCnt]
-    mov     di, BOOTVARS.hotkeyVars ; We must not initialize anything before this!
+    mov     di, BOOTVARS.clearToZeroFromThisPoint   ; We must not initialize anything before this!
     add     ax, BOOTVARS_size
     sub     ax, di

trunk/XTIDE_Universal_BIOS/Src/VariablesAndDPTs/DrvDetectInfo.asm

@@ -23 +23 @@
 
 ;--------------------------------------------------------------------
-; Creates new BOOTMENUINFO struct for detected hard disk.
+; Creates new DRVDETECTINFO struct for detected hard disk.
 ;
-; BootMenuInfo_CreateForHardDisk
+; DriveDetectInfo_CreateForHardDisk
 ;   Parameters:
 ;       DL:     Drive number
@@ -31 +31 @@
 ;       ES:SI:  Ptr to 512-byte ATA information read from the drive
 ;   Returns:
-;       ES:BX:  Ptr to BOOTMENUINFO (if successful)
+;       ES:BX:  Ptr to DRVDETECTINFO (if successful)
 ;   Corrupts registers:
 ;       AX, BX, CX, DX, DI
 ;--------------------------------------------------------------------
-BootMenuInfo_CreateForHardDisk:
-    call    BootMenuInfo_ConvertDPTtoBX         ; ES:BX now points to new BOOTMENUINFO
+DriveDetectInfo_CreateForHardDisk:
+    call    DriveDetectInfo_ConvertDPTtoBX      ; ES:BX now points to new DRVDETECTINFO
 
     ; Store Drive Name
@@ -46 +46 @@
 
     add     si, BYTE ATA1.strModel              ; DS:SI now points drive name
-    lea     di, [bx+BOOTMENUINFO.szDrvName]     ; ES:DI now points to name destination
+    lea     di, [bx+DRVDETECTINFO.szDrvName]        ; ES:DI now points to name destination
     mov     cx, MAX_HARD_DISK_NAME_LENGTH / 2   ; Max number of WORDs allowed
 .CopyNextWord:
@@ -63 +63 @@
 
 ;--------------------------------------------------------------------
-; BootMenuInfo_GetTotalSectorCount
-;   Parameters:
-;       DS:DI:      DPT Pointer
-;   Returns:
-;       BX:DX:AX:   48-bit sector count
-;   Corrupts registers:
-;       CX
-;--------------------------------------------------------------------
-%ifdef MODULE_BOOT_MENU
-BootMenuInfo_GetTotalSectorCount:
-    test    BYTE [di+DPT.bFlagsLow], FLG_DRVNHEAD_LBA
-    jnz     SHORT .ReturnFullCapacity
-    jmp     AH15h_GetSectorCountToBXDXAX
-.ReturnFullCapacity:
-    jmp     AccessDPT_GetLbaSectorCountToBXDXAX
-%endif
-
-
-;--------------------------------------------------------------------
-; Returns offset to BOOTMENUINFO based on DPT pointer.
+; Returns offset to DRVDETECTINFO based on DPT pointer.
 ;
-; BootMenuInfo_ConvertDPTtoBX
+; DriveDetectInfo_ConvertDPTtoBX
 ;   Parameters:
 ;       DS:DI:  DPT Pointer
 ;   Returns:
-;       BX:     Offset to BOOTMENUINFO struct
+;       BX:     Offset to DRVDETECTINFO struct
 ;   Corrupts registers:
 ;       AX
 ;--------------------------------------------------------------------
-BootMenuInfo_ConvertDPTtoBX:
+DriveDetectInfo_ConvertDPTtoBX:
     mov     ax, di
     sub     ax, BYTE RAMVARS_size                   ; subtract off base of DPTs
-    mov     bl, DPT_BOOTMENUINFO_SIZE_MULTIPLIER    ; BOOTMENUINFO's are a whole number multiple of DPT size
+    mov     bl, DPT_DRVDETECTINFO_SIZE_MULTIPLIER   ; DRVDETECTINFO are a whole number multiple of DPT size
     mul     bl                              
-    add     ax, BOOTVARS.rgBootNfo                  ; add base of BOOTMENUINFO
+    add     ax, BOOTVARS.rgDrvDetectInfo            ; add base of DRVDETECTINFO
     xchg    ax, bx
     ret