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431 serge 1 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;                                                              ;;
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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
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;;  Shutdown for Menuet                                         ;;
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;;                                                              ;;
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;;  Distributed under General Public License                    ;;
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;;  See file COPYING for details.                               ;;
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;;  Copyright 2003 Ville Turjanmaa                              ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
1 ha 13 
 
593 mikedld 14 
$Revision: 748 $
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16 
 
465 serge 17 
align 4
1 ha 18 
pr_mode_exit:
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46 halyavin 20 
; setup stack
465 serge 21 
        mov    ax, 0x3000
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        mov    ss, ax
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        mov    esp, 0x0EC00
46 halyavin 24 
; setup ds
465 serge 25 
        push    cs
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        pop    ds
1 ha 27 
 
465 serge 28 
        lidt [old_ints_h]
27 halyavin 29 
;remap IRQs
465 serge 30 
        mov  al,0x11
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        out  0x20,al
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        call rdelay
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        out  0xA0,al
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        call rdelay
227 serge 35 
 
465 serge 36 
        mov  al,0x08
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        out  0x21,al
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        call rdelay
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        mov  al,0x70
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        out  0xA1,al
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        call rdelay
227 serge 42 
 
465 serge 43 
        mov  al,0x04
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        out  0x21,al
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        call rdelay
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        mov  al,0x02
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        out  0xA1,al
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        call rdelay
227 serge 49 
 
465 serge 50 
        mov  al,0x01
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        out  0x21,al
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        call rdelay
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        out  0xA1,al
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        call rdelay
227 serge 55 
 
465 serge 56 
        mov  al,0xB8
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        out  0x21,al
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        call rdelay
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        mov  al,0xBD
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        out  0xA1,al
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        sti
1 ha 62 
 
465 serge 63 
temp_3456:
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        xor  ax,ax
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        mov  es,ax
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        mov  al,byte [es:0x9030]
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        cmp  al,1
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        jl   nbw
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        cmp  al,4
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        jle  nbw32
227 serge 71 
 
465 serge 72 
nbw:
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        in   al,0x60
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        cmp  al,6
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        jae  nbw
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        mov  bl,al
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nbw2:
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        in   al,0x60
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        cmp  al,bl
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        je   nbw2
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        cmp  al,240  ;ax,240
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        jne  nbw31
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        mov  al,bl
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        dec  ax
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        jmp  nbw32
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nbw31:
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        add  bl,128
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        cmp  al,bl
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        jne  nbw
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        sub  al,129
1 ha 91 
 
465 serge 92 
nbw32:
61 halyavin 93 
 
748 heavyiron 94 
        dec  ax
465 serge 95 
        dec  ax    ; 2 = power off
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        jnz  no_apm_off
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        call APM_PowerOff
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        jmp  $
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no_apm_off:
1 ha 100 
 
465 serge 101 
        dec  ax    ; 3 = reboot
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        jnz  restart_kernel        ; 4 = restart kernel
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        push 0x40
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        pop  ds
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        mov  word[0x0072],0x1234
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        jmp  0xF000:0xFFF0
1 ha 107 
 
61 halyavin 108 
 
109 
rdelay:
1 ha 110 
        ret
61 halyavin 111 
 
465 serge 112 
APM_PowerOff:
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        mov     ax, 5304h
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        xor     bx, bx
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        int     15h
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;!!!!!!!!!!!!!!!!!!!!!!!!
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        mov ax,0x5300
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        xor bx,bx
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        int 0x15
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        push ax
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        mov ax,0x5301
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        xor bx,bx
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        int 0x15
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        mov ax,0x5308
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        mov bx,1
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        mov cx,bx
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        int 0x15
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        mov ax,0x530E
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        xor bx,bx
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        pop cx
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        int 0x15
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        mov ax,0x530D
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        mov bx,1
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        mov cx,bx
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        int 0x15
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        mov ax,0x530F
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        mov bx,1
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        mov cx,bx
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        int 0x15
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146 
        mov ax,0x5307
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        mov bx,1
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        mov cx,3
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        int 0x15
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;!!!!!!!!!!!!!!!!!!!!!!!!
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        ret
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restart_kernel:
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        mov     ax,0x0003      ; set text mode for screen
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        int     0x10
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        jmp     0x4000:0000
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restart_kernel_4000:
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        cli
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        push    ds
681 diamond 163 
        pop     es
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        mov     cx, 0x8000
465 serge 165 
        push    cx
681 diamond 166 
        push    0x7000
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        pop     ds
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        xor     si, si
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        xor     di, di
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        rep     movsw
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        pop     cx
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        mov     ds, cx
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        push    0x2000
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        pop     es
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        rep     movsw
465 serge 176 
        push    0x9000
681 diamond 177 
        pop     ds
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        push    0x3000
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        pop     es
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        mov     cx, 0xE000/2
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        rep     movsw
465 serge 182 
 
183 
        wbinvd  ; write and invalidate cache
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185 
        mov    al, 00110100b
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        out    43h, al
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        jcxz    $+2
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        mov    al, 0xFF
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        out    40h, al
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        jcxz    $+2
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        out    40h, al
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        jcxz    $+2
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        sti
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195 
; (hint by Black_mirror)
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; We must read data from keyboard port,
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; because there may be situation when previous keyboard interrupt is lost
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; (due to return to real mode and IRQ reprogramming)
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; and next interrupt will not be generated (as keyboard waits for handling)
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        in      al, 0x60
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; bootloader interface
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        push    0x1000
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        pop    ds
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        mov    si, kernel_restart_bootblock
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        mov    ax, 'KL'
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        jmp     0x1000:0000
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