| 1 | ; Project name : XTIDE Universal BIOS
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| 2 | ; Description : Functions for printing drive configuration
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| 3 | ; information on Boot Menu.
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| 4 | ;
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| 5 | ; Included by BootMenuPrint.asm, this routine is to be inserted into
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| 6 | ; BootMenuPrint_HardDiskRefreshInformation.
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| 7 | ;
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| 8 |
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| 9 | ;
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| 10 | ; XTIDE Universal BIOS and Associated Tools
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| 11 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team.
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| 12 | ;
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| 13 | ; This program is free software; you can redistribute it and/or modify
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| 14 | ; it under the terms of the GNU General Public License as published by
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| 15 | ; the Free Software Foundation; either version 2 of the License, or
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| 16 | ; (at your option) any later version.
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| 17 | ;
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| 18 | ; This program is distributed in the hope that it will be useful,
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| 19 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 20 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 21 | ; GNU General Public License for more details.
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| 22 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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| 23 | ;
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| 24 |
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| 25 | ; Section containing code
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| 26 | SECTION .text
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| 27 |
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| 28 | ;;; fall-into from BootMenuPrint_HardDiskRefreshInformation.
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| 29 |
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| 30 | ;--------------------------------------------------------------------
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| 31 | ; Prints Hard Disk configuration for drive handled by our BIOS.
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| 32 | ; Cursor is set to configuration header string position.
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| 33 | ;
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| 34 | ; BootMenuPrintCfg_ForOurDrive
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| 35 | ; Parameters:
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| 36 | ; DS:DI: Pointer to DPT
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| 37 | ; Returns:
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| 38 | ; Nothing
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| 39 | ; Corrupts registers:
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| 40 | ; AX, BX, CX, DX
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| 41 | ;--------------------------------------------------------------------
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| 42 | .BootMenuPrintCfg_ForOurDrive:
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| 43 | eMOVZX ax, [di+DPT.bIdevarsOffset]
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| 44 | xchg bx, ax ; CS:BX now points to IDEVARS
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| 45 | ; Fall to .PushAndFormatCfgString
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| 46 |
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| 47 | ;--------------------------------------------------------------------
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| 48 | ; PushAddressingMode
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| 49 | ; Parameters:
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| 50 | ; DS:DI: Ptr to DPT
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| 51 | ; CS:BX: Ptr to IDEVARS
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| 52 | ; Returns:
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| 53 | ; Nothing (jumps to next push below)
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| 54 | ; Corrupts registers:
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| 55 | ; AX, CX
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| 56 | ;--------------------------------------------------------------------
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| 57 | .PushAddressingMode:
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| 58 | AccessDPT_GetUnshiftedAddressModeToALZF
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| 59 | ;;
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| 60 | ;; This multiply both shifts the addressing mode bits down to low order bits, and
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| 61 | ;; at the same time multiplies by the size of the string displacement. The result is in AH,
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| 62 | ;; with AL clear, and so we exchange AL and AH after the multiply for the final result.
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| 63 | ;;
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| 64 | mov cl,(1<<(8-ADDRESSING_MODE_FIELD_POSITION)) * g_szAddressingModes_Displacement
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| 65 | mul cl
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| 66 | xchg al,ah
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| 67 | add ax,g_szAddressingModes
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| 68 | push ax
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| 69 |
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| 70 | ;--------------------------------------------------------------------
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| 71 | ; PushBlockMode
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| 72 | ; Parameters:
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| 73 | ; DS:DI: Ptr to DPT
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| 74 | ; CS:BX: Ptr to IDEVARS
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| 75 | ; Returns:
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| 76 | ; Nothing (falls to next push below)
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| 77 | ; Corrupts registers:
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| 78 | ; AX
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| 79 | ;--------------------------------------------------------------------
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| 80 | .PushBlockMode:
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| 81 | mov ax, 1
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| 82 | test BYTE [di+DPT.bFlagsHigh], FLGH_DPT_BLOCK_MODE_SUPPORTED
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| 83 | jz SHORT .PushBlockSizeFromAX
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| 84 | mov al, [di+DPT_ATA.bBlockSize]
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| 85 | .PushBlockSizeFromAX:
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| 86 | push ax
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| 87 |
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| 88 | ;--------------------------------------------------------------------
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| 89 | ; PushBusType
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| 90 | ; Parameters:
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| 91 | ; DS:DI: Ptr to DPT
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| 92 | ; CS:BX: Ptr to IDEVARS
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| 93 | ; Returns:
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| 94 | ; Nothing (jumps to next push below)
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| 95 | ; Corrupts registers:
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| 96 | ; AX, DX
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| 97 | ;--------------------------------------------------------------------
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| 98 | .PushBusType:
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| 99 | mov al,g_szBusTypeValues_Displacement
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| 100 | mul BYTE [cs:bx+IDEVARS.bDevice]
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| 101 |
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| 102 | shr ax,1 ; divide by 2 since IDEVARS.bDevice is multiplied by 2
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| 103 |
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| 104 | add ax,g_szBusTypeValues
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| 105 | push ax
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| 106 |
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| 107 | ;--------------------------------------------------------------------
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| 108 | ; PushIRQ
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| 109 | ; Parameters:
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| 110 | ; DS:DI: Ptr to DPT
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| 111 | ; CS:BX: Ptr to IDEVARS
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| 112 | ; Returns:
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| 113 | ; Nothing (falls to next push below)
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| 114 | ; Corrupts registers:
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| 115 | ; AX, DX
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| 116 | ;--------------------------------------------------------------------
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| 117 | .PushIRQ:
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| 118 | mov al, [cs:bx+IDEVARS.bIRQ]
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| 119 | cbw
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| 120 | push ax
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| 121 |
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| 122 | ;--------------------------------------------------------------------
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| 123 | ; PushResetStatus
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| 124 | ; Parameters:
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| 125 | ; DS:DI: Ptr to DPT
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| 126 | ; CS:BX: Ptr to IDEVARS
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| 127 | ; Returns:
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| 128 | ; Nothing (falls to next push below)
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| 129 | ; Corrupts registers:
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| 130 | ; AX, BX, DX, ES
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| 131 | ;--------------------------------------------------------------------
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| 132 | .PushResetStatus:
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| 133 | mov al, [di+DPT_ATA.bInitError]
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| 134 | push ax
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| 135 |
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| 136 | ;;; fall-out to BootMenuPrint_HardDiskRefreshInformation.
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