Changeset 386 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Initialization

Timestamp:

Apr 12, 2012, 2:07:46 PM (13 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Boot menu is now an optional module (MODULE_BOOT_MENU).

Location:

trunk/XTIDE_Universal_BIOS/Src/Initialization

Files:

• DetectDrives.asm (modified) (2 diffs)
• DetectPrint.asm (modified) (4 diffs)

trunk/XTIDE_Universal_BIOS/Src/Initialization/DetectDrives.asm

@@ -199 +199 @@
 DetectDrives_DriveNotFound:
     mov     si, g_szNotFound
-    jmp     BootMenuPrint_NullTerminatedStringFromCSSIandSetCF
+    jmp     DetectPrint_NullTerminatedStringFromCSSIandSetCF
 
 
@@ -219 +219 @@
     jc      SHORT DetectDrives_DriveNotFound
     call    BootMenuInfo_CreateForHardDisk
-    jmp     short DetectPrint_DriveNameFromBootnfoInESBX
+    jmp     SHORT DetectPrint_DriveNameFromBootnfoInESBX

trunk/XTIDE_Universal_BIOS/Src/Initialization/DetectPrint.asm

@@ -22 +22 @@
 
 ;--------------------------------------------------------------------
+; BootMenuPrint_InitializeDisplayContext
+;   Parameters:
+;       Nothing
+;   Returns:
+;       Nothing
+;   Corrupts registers:
+;       AX, DI
+;--------------------------------------------------------------------
+BootMenuPrint_InitializeDisplayContext:
+    CALL_DISPLAY_LIBRARY InitializeDisplayContext
+    ret
+
+
+;--------------------------------------------------------------------
 ; Prints BIOS name and segment address where it is found.
 ;
@@ -39 +53 @@
     push    cs                          ; BIOS segment
 
-DetectPrint_BootMenuPrint_FormatCSSIfromParamsInSSBP_Relay:
-    jmp     BootMenuPrint_FormatCSSIfromParamsInSSBP
+    jmp     DetectPrint_FormatCSSIfromParamsInSSBP
 
 
@@ -122 +135 @@
     mov     si, g_szDetectOuter             ; Load SI with default wrapper string "IDE %s at %s: "
 
-    jmp     short DetectPrint_BootMenuPrint_FormatCSSIfromParamsInSSBP_Relay
+    jmp     SHORT DetectPrint_FormatCSSIfromParamsInSSBP
 
 
@@ -146 +159 @@
     pop     di
     ret
+
+;--------------------------------------------------------------------
+; DetectPrint_FailedToLoadFirstSector
+;   Parameters:
+;       AH:     INT 13h error code
+;   Returns:
+;       Nothing
+;   Corrupts registers:
+;       AX, CX, SI, DI
+;--------------------------------------------------------------------
+DetectPrint_FailedToLoadFirstSector:
+    push    bp
+    mov     bp, sp
+    eMOVZX  cx, ah
+    push    cx                  ; Push INT 13h error code
+    mov     si, g_szReadError
+    jmp     SHORT DetectPrint_FormatCSSIfromParamsInSSBP
+
+
+;--------------------------------------------------------------------
+; DetectPrint_TryToBootFromDL
+;   Parameters:
+;       DL:     Drive to boot from (translated, 00h or 80h)
+;       DS:     RAMVARS segment
+;   Returns:
+;       Nothing
+;   Corrupts registers:
+;       AX, SI, DI
+;--------------------------------------------------------------------
+DetectPrint_TryToBootFromDL:
+    push    bp
+    mov     bp, sp
+
+    mov     ax, g_szHDD
+    test    dl, dl
+    js      SHORT .NotFDD
+    mov     ax, g_szFDD
+.NotFDD:
+    push    ax
+
+    call    DriveXlate_ToOrBack
+    push    dx                  ; Push untranslated drive number
+    call    DriveXlate_ToOrBack
+    push    dx                  ; Push translated drive number
+
+    mov     si, g_szTryToBoot
+    jmp     SHORT DetectPrint_FormatCSSIfromParamsInSSBP    
+
+
+;--------------------------------------------------------------------
+; DetectPrint_NullTerminatedStringFromCSSIandSetCF
+;   Parameters:
+;       CS:SI:  Ptr to NULL terminated string to print
+;   Returns:
+;       CF:     Set since menu event was handled successfully
+;   Corrupts registers:
+;       AX, DI
+;--------------------------------------------------------------------
+DetectPrint_NullTerminatedStringFromCSSIandSetCF:
+;
+; We send all CSSI strings through the Format routine for the case of
+; compressed strings, but this doesn't hurt in the non-compressed case either
+; (perhaps a little slower, but shouldn't be noticeable to the user)
+; and results in smaller code size.
+;
+    push    bp
+    mov     bp,sp
+    ; Fall to BootMenuPrint_FormatCSSIfromParamsInSSBP
+
+;--------------------------------------------------------------------
+; DetectPrint_FormatCSSIfromParamsInSSBP
+;   Parameters:
+;       CS:SI:  Ptr to string to format
+;       BP:     SP before pushing parameters
+;   Returns:
+;       BP:     Popped from stack
+;       CF:     Set since menu event was handled successfully
+;   Corrupts registers:
+;       AX, DI
+;--------------------------------------------------------------------
+DetectPrint_FormatCSSIfromParamsInSSBP:
+    CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI
+    stc             ; Successful return from menu event
+    pop     bp
+    ret