1 | ; Project name : XTIDE Universal BIOS |
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2 | ; Description : Sets Serial Device specific parameters to DPT. |
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3 | |
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4 | ; |
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5 | ; XTIDE Universal BIOS and Associated Tools |
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6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 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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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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24 | ; SerialDPT_Finalize |
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25 | ; Parameters: |
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26 | ; DS:DI: Ptr to Disk Parameter Table |
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27 | ; ES:SI: Ptr to 512-byte ATA information read from the drive |
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28 | ; Returns: |
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29 | ; CF: Set, indicates that this is a floppy disk |
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30 | ; Clear, indicates that this is a hard disk |
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31 | ; Corrupts registers: |
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32 | ; AX |
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33 | ;-------------------------------------------------------------------- |
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34 | SerialDPT_Finalize: |
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35 | mov ax, [es:si+SerialServer_ATA_wPortAndBaud] |
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36 | mov [di+DPT_SERIAL.wSerialPortAndBaud], ax |
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37 | |
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38 | ; |
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39 | ; Note that this section is not under %ifdef MODULE_SERIAL_FLOPPY. It is important to |
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40 | ; distinguish floppy disks presented by the server and not treat them as hard disks, even |
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41 | ; if the floppy support is disabled. |
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42 | ; |
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43 | mov al, [es:si+SerialServer_ATA_wDriveFlags] |
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44 | eSHL_IM al, 1 |
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45 | mov byte [di+DPT.bFlagsHigh], al |
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46 | |
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47 | ret |
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48 | |
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49 | %ifndef CHECK_FOR_UNUSED_ENTRYPOINTS |
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50 | %ifdef MODULE_SERIAL_FLOPPY |
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51 | %if FLGH_DPT_SERIAL_DEVICE != 0x4 || FLGH_DPT_SERIAL_FLOPPY != 0x10 || FLGH_DPT_SERIAL_FLOPPY_TYPE_MASK != 0xe0 || FLGH_DPT_SERIAL_FLOPPY_TYPE_FIELD_POSITION != 5 |
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52 | %error "The serial server passes FLGH values into SerialDPT_Finalize directly. If the flag positions are changed, corresponding changes will need to be made in the serial server, and likely a version check put in to deal with servers talking to incompatible clients" |
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53 | %endif |
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54 | %else |
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55 | %if FLGH_DPT_SERIAL_DEVICE != 0x4 |
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56 | %error "The serial server passes FLGH values into SerialDPT_Finalize directly. If the flag positions are changed, corresponding changes will need to be made in the serial server, and likely a version check put in to deal with servers talking to incompatible clients" |
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57 | %endif |
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58 | %endif ; MODULE_SERIAL_FLOPPY |
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59 | %endif |
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