1 | ; File name : DetectPrint.asm
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2 | ; Project name : IDE BIOS
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3 | ; Created date : 28.3.2010
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4 | ; Last update : 9.4.2010
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5 | ; Author : Tomi Tilli
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6 | ; Description : Functions for printing drive detection strings.
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7 |
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8 | ; Section containing code
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9 | SECTION .text
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10 |
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11 | ;--------------------------------------------------------------------
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12 | ; Prints BIOS name and segment address where it is found.
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13 | ;
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14 | ; DetectPrint_RomFoundAtSegment
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15 | ; Parameters:
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16 | ; Nothing
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17 | ; Returns:
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18 | ; Nothing
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19 | ; Corrupts registers:
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20 | ; AX, CX, DX, SI
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21 | ;--------------------------------------------------------------------
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22 | ALIGN JUMP_ALIGN
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23 | DetectPrint_RomFoundAtSegment:
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24 | push cs
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25 | ePUSH_T ax, ROMVARS.szTitle
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26 | mov si, g_szRomAt
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27 | mov dh, 4 ; 4 bytes pushed to stack
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28 | jmp PrintString_JumpToFormat
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29 |
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30 |
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31 | ;--------------------------------------------------------------------
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32 | ; Displays IDE drive detection string for specific device.
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33 | ;
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34 | ; DetectPrint_StartingMasterDetect
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35 | ; DetectPrint_StartingSlaveDetect
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36 | ; Parameters:
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37 | ; CS:BP: Ptr to IDEVARS
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38 | ; Returns:
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39 | ; Nothing
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40 | ; Corrupts registers:
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41 | ; AX, CX, DX, SI
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42 | ;--------------------------------------------------------------------
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43 | ALIGN JUMP_ALIGN
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44 | DetectPrint_StartingMasterDetect:
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45 | mov ax, g_szMaster
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46 | jmp SHORT DetectPrint_StartingDriveDetect
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47 | ALIGN JUMP_ALIGN
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48 | DetectPrint_StartingSlaveDetect:
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49 | mov ax, g_szSlave
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50 | ; Fall to DetectPrint_StartingDriveDetect
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51 |
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52 | ;--------------------------------------------------------------------
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53 | ; Displays IDE drive detection string.
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54 | ;
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55 | ; DetectPrint_StartingDriveDetect
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56 | ; Parameters:
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57 | ; AX: Offset to "Master" or "Slave" string
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58 | ; CS:BP: Ptr to IDEVARS
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59 | ; Returns:
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60 | ; Nothing
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61 | ; Corrupts registers:
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62 | ; AX, CX, DX, SI
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63 | ;--------------------------------------------------------------------
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64 | ALIGN JUMP_ALIGN
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65 | DetectPrint_StartingDriveDetect:
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66 | push WORD [cs:bp+IDEVARS.wPort]
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67 | push ax
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68 | mov si, g_szDetect
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69 | mov dh, 4 ; 4 bytes pushed to stack
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70 | jmp PrintString_JumpToFormat
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71 |
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72 |
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73 | ;--------------------------------------------------------------------
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74 | ; Displays Detected Drive Name from BOOTVARS or
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75 | ; drive not found string if no drive was found.
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76 | ;
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77 | ; DetectPrint_DriveNameOrNotFound
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78 | ; Parameters:
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79 | ; ES:BX: Ptr to BOOTNFO (if drive found)
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80 | ; CF: Cleared if drive found
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81 | ; Set it drive not found
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82 | ; Returns:
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83 | ; Nothing
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84 | ; Corrupts registers:
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85 | ; AX, DX, SI
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86 | ;--------------------------------------------------------------------
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87 | ALIGN JUMP_ALIGN
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88 | DetectPrint_DriveNameOrNotFound:
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89 | jc SHORT .PrintDriveNotFound
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90 | lea si, [bx+BOOTNFO.szDrvName]
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91 | call PrintString_FromES
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92 | jmp Print_Newline
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93 | ALIGN JUMP_ALIGN
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94 | .PrintDriveNotFound:
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95 | mov si, g_szNotFound
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96 | jmp PrintString_FromCS
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