[88] | 1 | ; Project name : XTIDE Universal BIOS |
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[3] | 2 | ; Description : Functions for printing drive detection strings. |
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| 3 | |
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[376] | 4 | ; |
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| 5 | ; XTIDE Universal BIOS and Associated Tools |
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| 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team. |
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| 7 | ; |
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| 8 | ; This program is free software; you can redistribute it and/or modify |
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| 9 | ; it under the terms of the GNU General Public License as published by |
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| 10 | ; the Free Software Foundation; either version 2 of the License, or |
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| 11 | ; (at your option) any later version. |
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| 12 | ; |
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| 13 | ; This program is distributed in the hope that it will be useful, |
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| 14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | ; GNU General Public License for more details. |
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| 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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| 18 | ; |
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| 19 | |
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[3] | 20 | ; Section containing code |
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| 21 | SECTION .text |
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| 22 | |
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| 23 | ;-------------------------------------------------------------------- |
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[386] | 24 | ; BootMenuPrint_InitializeDisplayContext |
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| 25 | ; Parameters: |
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| 26 | ; Nothing |
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| 27 | ; Returns: |
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| 28 | ; Nothing |
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| 29 | ; Corrupts registers: |
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| 30 | ; AX, DI |
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| 31 | ;-------------------------------------------------------------------- |
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| 32 | BootMenuPrint_InitializeDisplayContext: |
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| 33 | CALL_DISPLAY_LIBRARY InitializeDisplayContext |
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| 34 | ret |
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| 35 | |
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| 36 | |
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| 37 | ;-------------------------------------------------------------------- |
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[3] | 38 | ; Prints BIOS name and segment address where it is found. |
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| 39 | ; |
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| 40 | ; DetectPrint_RomFoundAtSegment |
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| 41 | ; Parameters: |
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| 42 | ; Nothing |
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| 43 | ; Returns: |
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| 44 | ; Nothing |
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| 45 | ; Corrupts registers: |
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[120] | 46 | ; AX, SI, DI |
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[3] | 47 | ;-------------------------------------------------------------------- |
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| 48 | DetectPrint_RomFoundAtSegment: |
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[88] | 49 | push bp |
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[97] | 50 | mov bp, sp |
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[3] | 51 | mov si, g_szRomAt |
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[88] | 52 | ePUSH_T ax, ROMVARS.szTitle ; Bios title string |
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| 53 | push cs ; BIOS segment |
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[242] | 54 | |
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[386] | 55 | jmp DetectPrint_FormatCSSIfromParamsInSSBP |
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[3] | 56 | |
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| 57 | |
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| 58 | ;-------------------------------------------------------------------- |
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[294] | 59 | ; DetectPrint_StartDetectWithMasterOrSlaveStringInCXandIdeVarsInCSBP |
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[3] | 60 | ; Parameters: |
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[233] | 61 | ; CS:CX: Ptr to "Master" or "Slave" string |
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[3] | 62 | ; CS:BP: Ptr to IDEVARS |
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[242] | 63 | ; SI: Ptr to template string |
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[3] | 64 | ; Returns: |
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| 65 | ; Nothing |
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| 66 | ; Corrupts registers: |
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[196] | 67 | ; AX, SI, DI, CX |
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[3] | 68 | ;-------------------------------------------------------------------- |
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[294] | 69 | DetectPrint_StartDetectWithMasterOrSlaveStringInCXandIdeVarsInCSBP: |
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[233] | 70 | mov ax, [cs:bp+IDEVARS.wPort] ; for IDE: AX=port address, DH=.bDevice |
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| 71 | mov dx, [cs:bp+IDEVARS.bDevice-1] ; for Serial: AL=port address>>2, AH=baud rate |
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| 72 | ; DL=COM number character, DH=.bDevice |
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[285] | 73 | %ifdef MODULE_JRIDE |
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| 74 | cmp dh, DEVICE_JRIDE_ISA |
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| 75 | eCMOVE ax, cs ; Use segment address for JR-IDE/ISA |
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| 76 | %endif |
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| 77 | |
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[242] | 78 | push bp ; setup stack for call to |
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[233] | 79 | mov bp, sp ; BootMenuPrint_FormatCSSIfromParamsInSSBP |
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| 80 | |
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| 81 | push cx ; Push "Master" or "Slave" |
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[242] | 82 | |
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[233] | 83 | mov cl, (g_szDetectPort-$$) & 0xff ; Setup print string for standard IDE |
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| 84 | ; Note that we modify only the low order bits of CX a lot here, |
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| 85 | ; saving code space rather than reloading CX completely. |
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| 86 | ; This optimization requires that all the g_szDetect* strings are |
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| 87 | ; on the same 256 byte page, which is checked in strings.asm. |
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[3] | 88 | |
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[277] | 89 | %ifdef MODULE_SERIAL |
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[244] | 90 | cmp dh, DEVICE_SERIAL_PORT ; Check if this is a serial device |
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[233] | 91 | |
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[244] | 92 | jnz .pushAndPrint ; CX = string to print, AX = port address, DX won't be used |
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[233] | 93 | |
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| 94 | mov cl, (g_szDetectCOM-$$) & 0xff ; Setup print string for COM ports |
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| 95 | push cx ; And push now. We use the fact that format strings can contain |
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| 96 | ; themselves format strings. |
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| 97 | |
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| 98 | push dx ; Push COM number character |
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[242] | 99 | ; If the string is going to be "Auto", we will push a NULL (zero) |
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| 100 | ; here for the COM port number, which will be eaten by the |
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| 101 | ; print routine (DisplayPrint_CharacterFromAL), resulting in |
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[235] | 102 | ; just "COM" being printed without a character after it. |
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[242] | 103 | |
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[233] | 104 | mov cl, (g_szDetectCOMAuto-$$) & 0xff ; Setup secondary print string for "Auto" |
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[242] | 105 | |
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[244] | 106 | test dl, dl ; Check if serial port "Auto" |
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[262] | 107 | jz .pushAndPrintSerial ; CX = string to print, AX and DX won't be used |
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[242] | 108 | |
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[233] | 109 | mov cl, (g_szDetectCOMLarge-$$) & 0xff ; Setup secondary print string for "COMn/xx.yK" |
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[3] | 110 | |
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[233] | 111 | mov al,ah ; baud rate divisor to AL |
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| 112 | cbw ; clear AH, AL will always be less than 128 |
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| 113 | xchg si,ax ; move AX to SI for divide |
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[242] | 114 | mov ax,1152 ; baud rate to display is 115200/divisor, the "00" is handled |
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[233] | 115 | ; in the print strings |
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[242] | 116 | cwd ; clear top 16-bits of dividend |
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[233] | 117 | div si ; and divide... Now AX = baud rate/100, DX = 0 (always a clean divide) |
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[242] | 118 | |
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[233] | 119 | mov si,10 ; Now separate the whole portion from the fractional for "K" display |
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| 120 | div si ; and divide... Now AX = baud rate/1000, DX = low order digit |
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[242] | 121 | |
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| 122 | cmp ax,si ; < 10: "2400", "9600", etc.; >= 10: "19.2K", "38.4K", etc. |
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[262] | 123 | jae .pushAndPrintSerial |
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[196] | 124 | |
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[233] | 125 | mov cl, (g_szDetectCOMSmall-$$) & 0xff ; Setup secondary print string for "COMn/XXy00" |
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[242] | 126 | |
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[294] | 127 | .pushAndPrintSerial: |
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[242] | 128 | .pushAndPrint: |
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[277] | 129 | %endif |
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[294] | 130 | |
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[233] | 131 | push cx ; Push print string |
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| 132 | push ax ; Push high order digits, or port address, or N/A |
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| 133 | push dx ; Push low order digit, or N/A |
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| 134 | |
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[334] | 135 | mov si, g_szDetectOuter ; Load SI with default wrapper string "IDE %s at %s: " |
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| 136 | |
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[386] | 137 | jmp SHORT DetectPrint_FormatCSSIfromParamsInSSBP |
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[196] | 138 | |
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| 139 | |
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[3] | 140 | ;-------------------------------------------------------------------- |
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[98] | 141 | ; DetectPrint_DriveNameFromBootnfoInESBX |
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[3] | 142 | ; Parameters: |
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[254] | 143 | ; ES:BX: Ptr to BOOTMENUINFO (if drive found) |
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[3] | 144 | ; Returns: |
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| 145 | ; Nothing |
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| 146 | ; Corrupts registers: |
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[88] | 147 | ; AX, SI |
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[3] | 148 | ;-------------------------------------------------------------------- |
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[98] | 149 | DetectPrint_DriveNameFromBootnfoInESBX: |
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[88] | 150 | push di |
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| 151 | push bx |
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| 152 | |
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[254] | 153 | lea si, [bx+BOOTMENUINFO.szDrvName] |
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[88] | 154 | mov bx, es |
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| 155 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromBXSI |
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| 156 | CALL_DISPLAY_LIBRARY PrintNewlineCharacters |
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| 157 | |
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| 158 | pop bx |
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| 159 | pop di |
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| 160 | ret |
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[386] | 161 | |
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| 162 | ;-------------------------------------------------------------------- |
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| 163 | ; DetectPrint_FailedToLoadFirstSector |
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| 164 | ; Parameters: |
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| 165 | ; AH: INT 13h error code |
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| 166 | ; Returns: |
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| 167 | ; Nothing |
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| 168 | ; Corrupts registers: |
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| 169 | ; AX, CX, SI, DI |
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| 170 | ;-------------------------------------------------------------------- |
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| 171 | DetectPrint_FailedToLoadFirstSector: |
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| 172 | push bp |
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| 173 | mov bp, sp |
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| 174 | eMOVZX cx, ah |
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| 175 | push cx ; Push INT 13h error code |
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| 176 | mov si, g_szReadError |
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| 177 | jmp SHORT DetectPrint_FormatCSSIfromParamsInSSBP |
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| 178 | |
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| 179 | |
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| 180 | ;-------------------------------------------------------------------- |
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| 181 | ; DetectPrint_TryToBootFromDL |
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| 182 | ; Parameters: |
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| 183 | ; DL: Drive to boot from (translated, 00h or 80h) |
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| 184 | ; DS: RAMVARS segment |
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| 185 | ; Returns: |
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| 186 | ; Nothing |
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| 187 | ; Corrupts registers: |
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| 188 | ; AX, SI, DI |
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| 189 | ;-------------------------------------------------------------------- |
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| 190 | DetectPrint_TryToBootFromDL: |
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| 191 | push bp |
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| 192 | mov bp, sp |
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| 193 | |
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| 194 | mov ax, g_szHDD |
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| 195 | test dl, dl |
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| 196 | js SHORT .NotFDD |
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| 197 | mov ax, g_szFDD |
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| 198 | .NotFDD: |
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| 199 | push ax |
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| 200 | |
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| 201 | call DriveXlate_ToOrBack |
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| 202 | push dx ; Push untranslated drive number |
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| 203 | call DriveXlate_ToOrBack |
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| 204 | push dx ; Push translated drive number |
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| 205 | |
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| 206 | mov si, g_szTryToBoot |
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| 207 | jmp SHORT DetectPrint_FormatCSSIfromParamsInSSBP |
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| 208 | |
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| 209 | |
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| 210 | ;-------------------------------------------------------------------- |
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| 211 | ; DetectPrint_NullTerminatedStringFromCSSIandSetCF |
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| 212 | ; Parameters: |
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| 213 | ; CS:SI: Ptr to NULL terminated string to print |
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| 214 | ; Returns: |
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| 215 | ; CF: Set since menu event was handled successfully |
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| 216 | ; Corrupts registers: |
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| 217 | ; AX, DI |
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| 218 | ;-------------------------------------------------------------------- |
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| 219 | DetectPrint_NullTerminatedStringFromCSSIandSetCF: |
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| 220 | ; |
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| 221 | ; We send all CSSI strings through the Format routine for the case of |
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| 222 | ; compressed strings, but this doesn't hurt in the non-compressed case either |
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| 223 | ; (perhaps a little slower, but shouldn't be noticeable to the user) |
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| 224 | ; and results in smaller code size. |
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| 225 | ; |
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| 226 | push bp |
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| 227 | mov bp,sp |
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| 228 | ; Fall to BootMenuPrint_FormatCSSIfromParamsInSSBP |
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| 229 | |
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| 230 | ;-------------------------------------------------------------------- |
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| 231 | ; DetectPrint_FormatCSSIfromParamsInSSBP |
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| 232 | ; Parameters: |
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| 233 | ; CS:SI: Ptr to string to format |
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| 234 | ; BP: SP before pushing parameters |
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| 235 | ; Returns: |
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| 236 | ; BP: Popped from stack |
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| 237 | ; CF: Set since menu event was handled successfully |
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| 238 | ; Corrupts registers: |
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| 239 | ; AX, DI |
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| 240 | ;-------------------------------------------------------------------- |
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| 241 | DetectPrint_FormatCSSIfromParamsInSSBP: |
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| 242 | CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI |
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| 243 | stc ; Successful return from menu event |
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| 244 | pop bp |
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| 245 | ret |
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