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Rev 681 Rev 748
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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
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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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;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
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;;                                                              ;;
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;;  Shutdown for Menuet                                         ;;
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;;  Shutdown for Menuet                                         ;;
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;;                                                              ;;
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;;                                                              ;;
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;;  Distributed under General Public License                    ;;
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;;  Distributed under General Public License                    ;;
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;;  See file COPYING for details.                               ;;
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;;  See file COPYING for details.                               ;;
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;;  Copyright 2003 Ville Turjanmaa                              ;;
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;;  Copyright 2003 Ville Turjanmaa                              ;;
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;;                                                              ;;
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;;                                                              ;;
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 13 
 
14 
$Revision: 681 $
 14 
$Revision: 748 $
15 
 
 15 
 
16 
 
 16 
 
17 
align 4
 17 
align 4
18 
pr_mode_exit:
 18 
pr_mode_exit:
19 
 
 19 
 
20 
; setup stack
 20 
; setup stack
21 
        mov    ax, 0x3000
 21 
        mov    ax, 0x3000
22 
        mov    ss, ax
 22 
        mov    ss, ax
23 
        mov    esp, 0x0EC00
 23 
        mov    esp, 0x0EC00
24 
; setup ds
 24 
; setup ds
25 
        push    cs
 25 
        push    cs
26 
        pop    ds
 26 
        pop    ds
27 
 
 27 
 
28 
        lidt [old_ints_h]
 28 
        lidt [old_ints_h]
29 
;remap IRQs
 29 
;remap IRQs
30 
        mov  al,0x11
 30 
        mov  al,0x11
31 
        out  0x20,al
 31 
        out  0x20,al
32 
        call rdelay
 32 
        call rdelay
33 
        out  0xA0,al
 33 
        out  0xA0,al
34 
        call rdelay
 34 
        call rdelay
35 
 
 35 
 
36 
        mov  al,0x08
 36 
        mov  al,0x08
37 
        out  0x21,al
 37 
        out  0x21,al
38 
        call rdelay
 38 
        call rdelay
39 
        mov  al,0x70
 39 
        mov  al,0x70
40 
        out  0xA1,al
 40 
        out  0xA1,al
41 
        call rdelay
 41 
        call rdelay
42 
 
 42 
 
43 
        mov  al,0x04
 43 
        mov  al,0x04
44 
        out  0x21,al
 44 
        out  0x21,al
45 
        call rdelay
 45 
        call rdelay
46 
        mov  al,0x02
 46 
        mov  al,0x02
47 
        out  0xA1,al
 47 
        out  0xA1,al
48 
        call rdelay
 48 
        call rdelay
49 
 
 49 
 
50 
        mov  al,0x01
 50 
        mov  al,0x01
51 
        out  0x21,al
 51 
        out  0x21,al
52 
        call rdelay
 52 
        call rdelay
53 
        out  0xA1,al
 53 
        out  0xA1,al
54 
        call rdelay
 54 
        call rdelay
55 
 
 55 
 
56 
        mov  al,0xB8
 56 
        mov  al,0xB8
57 
        out  0x21,al
 57 
        out  0x21,al
58 
        call rdelay
 58 
        call rdelay
59 
        mov  al,0xBD
 59 
        mov  al,0xBD
60 
        out  0xA1,al
 60 
        out  0xA1,al
61 
        sti
 61 
        sti
62 
 
 62 
 
63 
temp_3456:
 63 
temp_3456:
64 
        xor  ax,ax
 64 
        xor  ax,ax
65 
        mov  es,ax
 65 
        mov  es,ax
66 
        mov  al,byte [es:0x9030]
 66 
        mov  al,byte [es:0x9030]
67 
        cmp  al,1
 67 
        cmp  al,1
68 
        jl   nbw
 68 
        jl   nbw
69 
        cmp  al,4
 69 
        cmp  al,4
70 
        jle  nbw32
 70 
        jle  nbw32
71 
 
 71 
 
72 
nbw:
 72 
nbw:
73 
        in   al,0x60
 73 
        in   al,0x60
74 
        call pause_key
 - 
 
75 
        cmp  al,6
 74 
        cmp  al,6
76 
        jae  nbw
 75 
        jae  nbw
77 
        mov  bl,al
 76 
        mov  bl,al
78 
nbw2:
 77 
nbw2:
79 
        in   al,0x60
 78 
        in   al,0x60
80 
        call pause_key
 - 
 
81 
        cmp  al,bl
 79 
        cmp  al,bl
82 
        je   nbw2
 80 
        je   nbw2
83 
        cmp  al,240  ;ax,240
 81 
        cmp  al,240  ;ax,240
84 
        jne  nbw31
 82 
        jne  nbw31
85 
        mov  al,bl
 83 
        mov  al,bl
86 
        dec  ax
 84 
        dec  ax
87 
        jmp  nbw32
 85 
        jmp  nbw32
88 
nbw31:
 86 
nbw31:
89 
        add  bl,128
 87 
        add  bl,128
90 
        cmp  al,bl
 88 
        cmp  al,bl
91 
        jne  nbw
 89 
        jne  nbw
92 
        sub  al,129
 90 
        sub  al,129
93 
 
 91 
 
94 
nbw32:
 92 
nbw32:
95 
 
 - 
 
96 
        dec  ax    ; 1 = write floppy
 93 
 
97 
        js   nbw
 - 
 
98 
        jnz  no_floppy_write
 - 
 
99 
        call floppy_write
 - 
 
100 
        jmp  temp_3456 ;nbw
 - 
 
101 
no_floppy_write:
 - 
 
102 
 
 94 
        dec  ax
103 
        dec  ax    ; 2 = power off
 95 
        dec  ax    ; 2 = power off
104 
        jnz  no_apm_off
 96 
        jnz  no_apm_off
105 
        call APM_PowerOff
 97 
        call APM_PowerOff
106 
        jmp  $
 98 
        jmp  $
107 
no_apm_off:
 99 
no_apm_off:
108 
 
 100 
 
109 
        dec  ax    ; 3 = reboot
 101 
        dec  ax    ; 3 = reboot
110 
        jnz  restart_kernel        ; 4 = restart kernel
 102 
        jnz  restart_kernel        ; 4 = restart kernel
111 
        push 0x40
 103 
        push 0x40
112 
        pop  ds
 104 
        pop  ds
113 
        mov  word[0x0072],0x1234
 105 
        mov  word[0x0072],0x1234
114 
        jmp  0xF000:0xFFF0
 106 
        jmp  0xF000:0xFFF0
115 
 
 - 
 
116 
pause_key:
 - 
 
117 
        mov cx,100
 - 
 
118 
pause_key_1:
 - 
 
119 
        loop  pause_key_1
 - 
 
120 
        ret
 107 
 
121 
 
 108 
 
122 
rdelay:
 109 
rdelay:
123 
        ret
 110 
        ret
124 
 
 - 
 
125 
floppy_write:   ; write diskette image to physical floppy
 - 
 
126 
 
 - 
 
127 
        cmp  [flm],byte 1
 - 
 
128 
        je   fwwritedone
 - 
 
129 
        mov  [flm],byte 1
 - 
 
130 
 
 - 
 
131 
        xor    ax, ax        ; reset drive
 - 
 
132 
        xor    dx, dx
 - 
 
133 
        int     0x13
 - 
 
134 
 
 - 
 
135 
        mov     cx,0x0001               ; startcyl,startsector
 - 
 
136 
        xor    dx, dx                    ; starthead,drive
 - 
 
137 
        mov    ax, 80*2               ; read no of sect
 - 
 
138 
 
 - 
 
139 
fwwrites:
 - 
 
140 
        push    ax
 - 
 
141 
 
 - 
 
142 
        ; move 1mb+ -> 0:a000
 - 
 
143 
 
 - 
 
144 
         pusha
 - 
 
145 
        mov     si, fwmovedesc
 - 
 
146 
        mov     cx,256*18
 - 
 
147 
        mov     ah,0x87
 - 
 
148 
        push    ds
 - 
 
149 
        pop    es
 - 
 
150 
        int     0x15
 - 
 
151 
        add    dword [fwmovedesc+0x12], 512*18
 - 
 
152 
        popa
 - 
 
153 
 
 - 
 
154 
        xor     si,si
 - 
 
155 
        mov    es,si
 - 
 
156 
fwnewwrite:
 - 
 
157 
        mov     bx,0xa000               ; es:bx -> data area
 - 
 
158 
        mov     ax,0x0300+18            ; read, no of sectors to read
 - 
 
159 
        int     0x13
 - 
 
160 
 
 - 
 
161 
         test    ah, ah
 - 
 
162 
        jz      fwgoodwrite
 - 
 
163 
 
 - 
 
164 
        inc    si
 - 
 
165 
        cmp     si,10
 - 
 
166 
        jnz     fwnewwrite
 - 
 
167 
 
 - 
 
168 
; can't access diskette - return
 - 
 
169 
        pop    ax
 - 
 
170 
        ret
 - 
 
171 
 
 - 
 
172 
fwgoodwrite:
 - 
 
173 
        inc     dh
 - 
 
174 
        cmp     dh,2
 - 
 
175 
        jnz     fwbb2
 - 
 
176 
        mov     dh,0
 - 
 
177 
        inc     ch
 - 
 
178 
fwbb2:
 - 
 
179 
        pop     ax
 - 
 
180 
        dec     ax
 - 
 
181 
        jnz     fwwrites
 - 
 
182 
        ret
 - 
 
183 
 
 111 
 
184 
APM_PowerOff:
 112 
APM_PowerOff:
185 
        mov     ax, 5304h
 113 
        mov     ax, 5304h
186 
        xor     bx, bx
 114 
        xor     bx, bx
187 
        int     15h
 115 
        int     15h
188 
;!!!!!!!!!!!!!!!!!!!!!!!!
 116 
;!!!!!!!!!!!!!!!!!!!!!!!!
189 
        mov ax,0x5300
 117 
        mov ax,0x5300
190 
        xor bx,bx
 118 
        xor bx,bx
191 
        int 0x15
 119 
        int 0x15
192 
        push ax
 120 
        push ax
193 
 
 121 
 
194 
        mov ax,0x5301
 122 
        mov ax,0x5301
195 
        xor bx,bx
 123 
        xor bx,bx
196 
        int 0x15
 124 
        int 0x15
197 
 
 125 
 
198 
        mov ax,0x5308
 126 
        mov ax,0x5308
199 
        mov bx,1
 127 
        mov bx,1
200 
        mov cx,bx
 128 
        mov cx,bx
201 
        int 0x15
 129 
        int 0x15
202 
 
 130 
 
203 
        mov ax,0x530E
 131 
        mov ax,0x530E
204 
        xor bx,bx
 132 
        xor bx,bx
205 
        pop cx
 133 
        pop cx
206 
        int 0x15
 134 
        int 0x15
207 
 
 135 
 
208 
        mov ax,0x530D
 136 
        mov ax,0x530D
209 
        mov bx,1
 137 
        mov bx,1
210 
        mov cx,bx
 138 
        mov cx,bx
211 
        int 0x15
 139 
        int 0x15
212 
 
 140 
 
213 
        mov ax,0x530F
 141 
        mov ax,0x530F
214 
        mov bx,1
 142 
        mov bx,1
215 
        mov cx,bx
 143 
        mov cx,bx
216 
        int 0x15
 144 
        int 0x15
217 
 
 145 
 
218 
        mov ax,0x5307
 146 
        mov ax,0x5307
219 
        mov bx,1
 147 
        mov bx,1
220 
        mov cx,3
 148 
        mov cx,3
221 
        int 0x15
 149 
        int 0x15
222 
;!!!!!!!!!!!!!!!!!!!!!!!!
 150 
;!!!!!!!!!!!!!!!!!!!!!!!!
223 
fwwritedone:
 - 
 
224 
        ret
 151 
        ret
225 
 
 152 
 
226 
restart_kernel:
 153 
restart_kernel:
227 
 
 154 
 
228 
        mov     ax,0x0003      ; set text mode for screen
 155 
        mov     ax,0x0003      ; set text mode for screen
229 
        int     0x10
 156 
        int     0x10
230 
        jmp     0x4000:0000
 157 
        jmp     0x4000:0000
231 
 
 158 
 
232 
restart_kernel_4000:
 159 
restart_kernel_4000:
233 
        cli
 160 
        cli
234 
 
 161 
 
235 
        push    ds
 162 
        push    ds
236 
        pop     es
 163 
        pop     es
237 
        mov     cx, 0x8000
 164 
        mov     cx, 0x8000
238 
        push    cx
 165 
        push    cx
239 
        push    0x7000
 166 
        push    0x7000
240 
        pop     ds
 167 
        pop     ds
241 
        xor     si, si
 168 
        xor     si, si
242 
        xor     di, di
 169 
        xor     di, di
243 
        rep     movsw
 170 
        rep     movsw
244 
        pop     cx
 171 
        pop     cx
245 
        mov     ds, cx
 172 
        mov     ds, cx
246 
        push    0x2000
 173 
        push    0x2000
247 
        pop     es
 174 
        pop     es
248 
        rep     movsw
 175 
        rep     movsw
249 
        push    0x9000
 176 
        push    0x9000
250 
        pop     ds
 177 
        pop     ds
251 
        push    0x3000
 178 
        push    0x3000
252 
        pop     es
 179 
        pop     es
253 
        mov     cx, 0xE000/2
 180 
        mov     cx, 0xE000/2
254 
        rep     movsw
 181 
        rep     movsw
255 
 
 182 
 
256 
        wbinvd  ; write and invalidate cache
 183 
        wbinvd  ; write and invalidate cache
257 
 
 184 
 
258 
        mov    al, 00110100b
 185 
        mov    al, 00110100b
259 
        out    43h, al
 186 
        out    43h, al
260 
        jcxz    $+2
 187 
        jcxz    $+2
261 
        mov    al, 0xFF
 188 
        mov    al, 0xFF
262 
        out    40h, al
 189 
        out    40h, al
263 
        jcxz    $+2
 190 
        jcxz    $+2
264 
        out    40h, al
 191 
        out    40h, al
265 
        jcxz    $+2
 192 
        jcxz    $+2
266 
        sti
 193 
        sti
267 
 
 194 
 
268 
; (hint by Black_mirror)
 195 
; (hint by Black_mirror)
269 
; We must read data from keyboard port,
 196 
; We must read data from keyboard port,
270 
; because there may be situation when previous keyboard interrupt is lost
 197 
; because there may be situation when previous keyboard interrupt is lost
271 
; (due to return to real mode and IRQ reprogramming)
 198 
; (due to return to real mode and IRQ reprogramming)
272 
; and next interrupt will not be generated (as keyboard waits for handling)
 199 
; and next interrupt will not be generated (as keyboard waits for handling)
273 
        in      al, 0x60
 200 
        in      al, 0x60
274 
 
 201 
 
275 
; bootloader interface
 202 
; bootloader interface
276 
        push    0x1000
 203 
        push    0x1000
277 
        pop    ds
 204 
        pop    ds
278 
        mov    si, kernel_restart_bootblock
 205 
        mov    si, kernel_restart_bootblock
279 
        mov    ax, 'KL'
 206 
        mov    ax, 'KL'
280 
        jmp     0x1000:0000
 207 
        jmp     0x1000:0000