source: xtideuniversalbios/trunk/Assembly_Library/Src/Util/Reboot.asm@ 373

Last change on this file since 373 was 323, checked in by aitotat@…, 13 years ago

Changes to Assembly Library:

  • Added Display Library function for printing QWORDs.
  • Added couple of function numbers to BiosFunctions.inc
File size: 1.4 KB
Line 
1; Project name : Assembly Library
2; Description : Functions for rebooting computer.
3
4; Section containing code
5SECTION .text
6
7;--------------------------------------------------------------------
8; Reboot_ComputerWithBootFlagInAX
9; Parameters:
10; AX: Boot Flag
11; Returns:
12; Nothing, function never returns
13;--------------------------------------------------------------------
14Reboot_ComputerWithBootFlagInAX:
15 LOAD_BDA_SEGMENT_TO ds, bx
16 mov [BDA.wBoot], ax ; Store boot flag
17 ; Fall to Reboot_AT
18
19
20;--------------------------------------------------------------------
21; Reboot_AT
22; Parameters:
23; Nothing
24; Returns:
25; Nothing, function never returns
26;--------------------------------------------------------------------
27Reboot_AT:
28 mov al, 0FEh ; System reset (AT+ keyboard controller)
29 out 64h, al ; Reset computer (AT+)
30%ifndef EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS
31 %ifdef INCLUDE_TIME_LIBRARY
32 mov ax, 10
33 call Delay_MicrosecondsFromAX
34 %else
35 JMP_DELAY
36 %endif
37%else
38 JMP_DELAY
39%endif
40 ; Fall to Reboot_XT
41
42
43;--------------------------------------------------------------------
44; Reboot_XT
45; Parameters:
46; Nothing
47; Returns:
48; Nothing, function never returns
49;--------------------------------------------------------------------
50Reboot_XT:
51 xor ax, ax
52 push ax
53 popf ; Clear FLAGS (disables interrupt)
54 mov ds, ax
55 mov es, ax
56 mov ss, ax
57 jmp 0FFFFh:0 ; XT reset
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