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2288 clevermous 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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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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align 4
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pr_mode_exit:
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; setup stack
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        mov     ax, 0x3000
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        mov     ss, ax
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        mov     esp, 0x0EC00
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; setup ds
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        push    cs
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        pop     ds
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        lidt    [old_ints_h]
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;remap IRQs
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        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
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        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
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        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
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        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
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        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
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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
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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
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nbw32:
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        dec     ax
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        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:
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        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
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rdelay:
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        ret
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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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        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
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        pop     es
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        mov     cx, 0x8000
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        push    cx
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        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
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        push    0x9000
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        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
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        wbinvd  ; write and invalidate cache
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        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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; (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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