Changeset 428 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AHDh_HReset.asm

Timestamp:

May 29, 2012, 7:24:58 PM (12 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Motor spin up is now waited when resetting drive.
• Optimized boot sector loading a bit.

File:

• trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AHDh_HReset.asm (modified) (2 diffs)

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

@@ -106 +106 @@
     push    cx
     push    ax
-    call    AH9h_InitializeDriveForUse          ; Reset Master and Slave (Master will come first in DPT list)
+    call    AHDh_WaitUnilDriveMotorHasReachedFullSpeed
+    call    AH9h_InitializeDriveForUse          ; Initialize Master or Slave (Master will come first in DPT list)
 
 %ifdef MODULE_ADVANCED_ATA
@@ -130 +131 @@
     ret
 
+
+;--------------------------------------------------------------------
+; AHDh_WaitUnilDriveMotorHasReachedFullSpeed
+;   Parameters:
+;       DS:DI:  Ptr to DPT
+;   Returns:
+;       AH:     Int 13h return status
+;       CF:     0 if successful, 1 if error
+;   Corrupts registers:
+;       AL, BX, CX, DX
+;--------------------------------------------------------------------
+AHDh_WaitUnilDriveMotorHasReachedFullSpeed:
+%ifdef MODULE_SERIAL
+    test    BYTE [di+DPT.bFlagsHigh], FLGH_DPT_SERIAL_DEVICE
+    jz      SHORT .WaitSinceRealHardDisk
+    ret
+.WaitSinceRealHardDisk:
+%endif
+
+    mov     bx, TIMEOUT_AND_STATUS_TO_WAIT(TIMEOUT_MOTOR_STARTUP, FLG_STATUS_BSY)
+    jmp     IdeWait_PollStatusFlagInBLwithTimeoutInBH