| 1 | ; Project name : IDE BIOS
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| 2 | ; Description : Functions for printing drive detection strings.
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| 3 |
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| 4 | ; Section containing code
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| 5 | SECTION .text
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| 6 |
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| 7 | ;--------------------------------------------------------------------
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| 8 | ; Prints BIOS name and segment address where it is found.
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| 9 | ;
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| 10 | ; DetectPrint_RomFoundAtSegment
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| 11 | ; Parameters:
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| 12 | ; Nothing
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| 13 | ; Returns:
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| 14 | ; Nothing
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| 15 | ; Corrupts registers:
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| 16 | ; AX, CX, DX, SI
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| 17 | ;--------------------------------------------------------------------
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| 18 | ALIGN JUMP_ALIGN
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| 19 | DetectPrint_RomFoundAtSegment:
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| 20 | push cs
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| 21 | ePUSH_T ax, ROMVARS.szTitle
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| 22 | mov si, g_szRomAt
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| 23 | jmp SHORT DetectPrint_4BytesPushedToStack
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| 24 |
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| 25 |
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| 26 | ;--------------------------------------------------------------------
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| 27 | ; Displays IDE drive detection string for specific device.
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| 28 | ;
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| 29 | ; DetectPrint_StartingMasterDetect
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| 30 | ; DetectPrint_StartingSlaveDetect
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| 31 | ; Parameters:
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| 32 | ; CS:BP: Ptr to IDEVARS
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| 33 | ; Returns:
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| 34 | ; Nothing
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| 35 | ; Corrupts registers:
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| 36 | ; AX, CX, DX, SI
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| 37 | ;--------------------------------------------------------------------
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| 38 | ALIGN JUMP_ALIGN
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| 39 | DetectPrint_StartingMasterDetect:
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| 40 | mov ax, g_szMaster
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| 41 | jmp SHORT DetectPrint_StartingDriveDetect
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| 42 | ALIGN JUMP_ALIGN
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| 43 | DetectPrint_StartingSlaveDetect:
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| 44 | mov ax, g_szSlave
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| 45 | ; Fall to DetectPrint_StartingDriveDetect
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| 46 |
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| 47 | ;--------------------------------------------------------------------
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| 48 | ; Displays IDE drive detection string.
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| 49 | ;
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| 50 | ; DetectPrint_StartingDriveDetect
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| 51 | ; Parameters:
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| 52 | ; AX: Offset to "Master" or "Slave" string
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| 53 | ; CS:BP: Ptr to IDEVARS
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| 54 | ; Returns:
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| 55 | ; Nothing
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| 56 | ; Corrupts registers:
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| 57 | ; AX, CX, DX, SI
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| 58 | ;--------------------------------------------------------------------
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| 59 | ALIGN JUMP_ALIGN
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| 60 | DetectPrint_StartingDriveDetect:
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| 61 | push WORD [cs:bp+IDEVARS.wPort]
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| 62 | push ax
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| 63 | mov si, g_szDetect
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| 64 | DetectPrint_4BytesPushedToStack:
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| 65 | mov dh, 4 ; 4 bytes pushed to stack
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| 66 | jmp PrintString_JumpToFormat
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| 67 |
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| 68 |
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| 69 | ;--------------------------------------------------------------------
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| 70 | ; Displays Detected Drive Name from BOOTVARS or
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| 71 | ; drive not found string if no drive was found.
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| 72 | ;
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| 73 | ; DetectPrint_DriveNameOrNotFound
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| 74 | ; Parameters:
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| 75 | ; ES:BX: Ptr to BOOTNFO (if drive found)
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| 76 | ; CF: Cleared if drive found
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| 77 | ; Set it drive not found
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| 78 | ; Returns:
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| 79 | ; Nothing
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| 80 | ; Corrupts registers:
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| 81 | ; AX, DX, SI
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| 82 | ;--------------------------------------------------------------------
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| 83 | ALIGN JUMP_ALIGN
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| 84 | DetectPrint_DriveNameOrNotFound:
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| 85 | jc SHORT .PrintDriveNotFound
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| 86 | lea si, [bx+BOOTNFO.szDrvName]
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| 87 | call PrintString_FromES
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| 88 | jmp Print_Newline
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| 89 | ALIGN JUMP_ALIGN
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| 90 | .PrintDriveNotFound:
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| 91 | mov si, g_szNotFound
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| 92 | jmp PrintString_FromCS
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