Last change
on this file since 251 was
251,
checked in by krille_n_@…, 12 years ago
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Changes:
- Simplified the bug fix I did in r242.
- Fixed a couple of new bugs in Reboot.asm
|
File size:
1.4 KB
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1 | ; Project name : Assembly Library |
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2 | ; Description : Functions for rebooting computer. |
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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 | ; Reboot_ComputerWithBootFlagInAX |
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9 | ; Parameters: |
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10 | ; AX: Boot Flag |
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11 | ; Returns: |
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12 | ; Nothing, function never returns |
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13 | ;-------------------------------------------------------------------- |
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14 | Reboot_ComputerWithBootFlagInAX: |
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15 | LOAD_BDA_SEGMENT_TO ds, bx |
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16 | mov [BDA.wBoot], ax ; Store boot flag |
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17 | ; Fall to Reboot_AT |
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18 | |
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19 | |
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20 | ;-------------------------------------------------------------------- |
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21 | ; Reboot_AT |
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22 | ; Parameters: |
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23 | ; Nothing |
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24 | ; Returns: |
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25 | ; Nothing, function never returns |
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26 | ;-------------------------------------------------------------------- |
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27 | Reboot_AT: |
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28 | mov al, 0FEh ; System reset (AT+ keyboard controller) |
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29 | out 64h, al ; Reset computer (AT+) |
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30 | %ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS |
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31 | mov ax, 10 |
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32 | call Delay_MicrosecondsFromAX |
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33 | %else |
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34 | JMP_DELAY |
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35 | %endif |
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36 | ; Fall to Reboot_XT |
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37 | |
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38 | |
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39 | ;-------------------------------------------------------------------- |
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40 | ; Reboot_XT |
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41 | ; Parameters: |
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42 | ; Nothing |
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43 | ; Returns: |
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44 | ; Nothing, function never returns |
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45 | ;-------------------------------------------------------------------- |
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46 | Reboot_XT: |
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47 | xor ax, ax |
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48 | push ax |
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49 | popf ; Clear FLAGS (disables interrupt) |
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50 | mov ds, ax |
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51 | mov es, ax |
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52 | mov ss, ax |
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53 | jmp 0FFFFh:0 ; XT reset |
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