forked from KolibriOS/kolibrios
229 lines
5.3 KiB
PHP
229 lines
5.3 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2011. 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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$Revision: 2455 $
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use32
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become_real:
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cli
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lgdt [realmode_gdt-OS_BASE]
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jmp 8:@f
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use16
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@@:
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mov ax, 10h
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mov ds, ax
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mov es, ax
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mov fs, ax
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mov gs, ax
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mov ss, ax
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mov eax, cr0
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and eax, not 80000001h
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mov cr0, eax
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jmp 0x1000:pr_mode_exit
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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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if ~ defined extended_primary_loader ; kernel restarting is not supported
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dec ax ; 3 = reboot
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jnz restart_kernel ; 4 = restart kernel
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end if
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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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if ~ defined extended_primary_loader
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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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end if
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