;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;; Shutdown for Menuet ;;
;; ;;
;; Distributed under General Public License ;;
;; See file COPYING for details. ;;
;; Copyright 2003 Ville Turjanmaa ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
$Revision: 6240 $
use32
become_real:
xor ebx, ebx
xor edx, edx
xor ecx, ecx
xor esi, esi
xor edi, edi
xor ebp, ebp
cli
ltr bx
lgdt [realmode_gdt-OS_BASE]
jmp 8:@f
use16
@@:
mov ax, 10h
mov ds, ax
mov es, ax
mov fs, ax
mov gs, ax
mov ss, ax
mov eax, cr0
and eax, not 80000001h
mov cr0, eax
jmp 0x1000:pr_mode_exit
pr_mode_exit:
; setup stack
mov ax, (TMP_STACK_TOP and 0xF0000) shr 4
mov ss, ax
mov esp, TMP_STACK_TOP and 0xFFFF
;setup ds
push cs
pop ds
lidt [old_ints_h]
;remap IRQs
mov al, 0x11
out 0x20, al
call rdelay
out 0xA0, al
call rdelay
mov al, 0x08
out 0x21, al
call rdelay
mov al, 0x70
out 0xA1, al
call rdelay
mov al, 0x04
out 0x21, al
call rdelay
mov al, 0x02
out 0xA1, al
call rdelay
mov al, 0x01
out 0x21, al
call rdelay
out 0xA1, al
call rdelay
mov al, 0xB8
out 0x21, al
call rdelay
mov al, 0xBD
out 0xA1, al
sti
temp_3456:
xor ax, ax
mov es, ax
mov al, byte [es:0x9030]
cmp al, 1
jl nbw
cmp al, 4
jle nbw32
nbw:
in al, 0x60
cmp al, 6
jae nbw
mov bl, al
nbw2:
in al, 0x60
cmp al, bl
je nbw2
cmp al, 240;ax,240
jne nbw31
mov al, bl
dec ax
jmp nbw32
nbw31:
add bl, 128
cmp al, bl
jne nbw
sub al, 129
nbw32:
dec ax
dec ax ; 2 = power off
jnz no_apm_off
call APM_PowerOff
jmp $
no_apm_off:
if ~ defined extended_primary_loader ; kernel restarting is not supported
dec ax ; 3 = reboot
jnz restart_kernel ; 4 = restart kernel
end if
push 0x40
pop ds
mov word[0x0072], 0x1234
jmp 0xF000:0xFFF0
rdelay:
ret
APM_PowerOff:
mov ax, 5304h
xor bx, bx
int 15h
;!!!!!!!!!!!!!!!!!!!!!!!!
mov ax, 0x5300
xor bx, bx
int 0x15
push ax
mov ax, 0x5301
xor bx, bx
int 0x15
mov ax, 0x5308
mov bx, 1
mov cx, bx
int 0x15
mov ax, 0x530E
xor bx, bx
pop cx
int 0x15
mov ax, 0x530D
mov bx, 1
mov cx, bx
int 0x15
mov ax, 0x530F
mov bx, 1
mov cx, bx
int 0x15
mov ax, 0x5307
mov bx, 1
mov cx, 3
int 0x15
;!!!!!!!!!!!!!!!!!!!!!!!!
ret
if ~ defined extended_primary_loader
restart_kernel:
mov ax, 0x0003 ; set text mode for screen
int 0x10
jmp 0x5000:0000
restart_kernel_5001:
cli
push ds
pop es
xor si, si
xor di, di
push 0x7100
pop ds
mov cx, 0x4000
rep movsd
push 0x8100
pop ds
push 0x2000
pop es
mov cx, 0x4000
rep movsd
push 0x9100
pop ds
push 0x3000
pop es
mov cx, 0x4000
rep movsd
xchg bx, bx
push 0xA100
pop ds
push 0x4000
pop es
mov cx, 0x800
rep movsd
wbinvd ; write and invalidate cache
mov al, 00110100b
out 43h, al
jcxz $+2
mov al, 0xFF
out 40h, al
jcxz $+2
out 40h, al
jcxz $+2
sti
; (hint by Black_mirror)
; We must read data from keyboard port,
; because there may be situation when previous keyboard interrupt is lost
; (due to return to real mode and IRQ reprogramming)
; and next interrupt will not be generated (as keyboard waits for handling)
in al, 0x60
; bootloader interface
push 0x1000
pop ds
mov si, kernel_restart_bootblock
mov ax, 'KL'
jmp 0x1000:0000
end if