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4429 Serge 1
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
2
;;                                                              ;;
3
;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;;
4
;; Distributed under terms of the GNU General Public License    ;;
5
;;                                                              ;;
6
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
7
 
8
$Revision: 4418 $
9
 
10
 
11
dpl0    equ  10010000b     ; data read       dpl0
12
drw0    equ  10010010b      ; data read/write dpl0
13
drw3    equ  11110010b      ; data read/write dpl3
14
cpl0    equ  10011010b      ; code read dpl0
15
cpl3    equ  11111010b      ; code read dpl3
16
 
17
D32     equ  01000000b      ; 32bit segment
18
G32     equ  10000000b      ; page gran
19
 
20
 
21
;;;;;;;;;;;;cpu_caps flags;;;;;;;;;;;;;;;;
22
 
23
CPU_386        equ 3
24
CPU_486        equ 4
25
CPU_PENTIUM    equ 5
26
CPU_P6         equ 6
27
CPU_PENTIUM4   equ 0x0F
28
 
29
CAPS_FPU       equ    00 ;on-chip x87 floating point unit
30
CAPS_VME       equ    01 ;virtual-mode enhancements
31
CAPS_DE        equ    02 ;debugging extensions
32
CAPS_PSE       equ    03 ;page-size extensions
33
CAPS_TSC       equ    04 ;time stamp counter
34
CAPS_MSR       equ    05 ;model-specific registers
35
CAPS_PAE       equ    06 ;physical-address extensions
36
CAPS_MCE       equ    07 ;machine check exception
37
CAPS_CX8       equ    08 ;CMPXCHG8B instruction
38
CAPS_APIC      equ    09 ;on-chip advanced programmable
39
                         ; interrupt controller
40
;                     10 ;unused
41
CAPS_SEP       equ    11 ;SYSENTER and SYSEXIT instructions
42
CAPS_MTRR      equ    12 ;memory-type range registers
43
CAPS_PGE       equ    13 ;page global extension
44
CAPS_MCA       equ    14 ;machine check architecture
45
CAPS_CMOV      equ    15 ;conditional move instructions
46
CAPS_PAT       equ    16 ;page attribute table
47
 
48
CAPS_PSE36     equ    17 ;page-size extensions
49
CAPS_PSN       equ    18 ;processor serial number
50
CAPS_CLFLUSH   equ    19 ;CLFUSH instruction
51
 
52
CAPS_DS        equ    21 ;debug store
53
CAPS_ACPI      equ    22 ;thermal monitor and software
54
                         ;controlled clock supported
55
CAPS_MMX       equ    23 ;MMX instructions
56
CAPS_FXSR      equ    24 ;FXSAVE and FXRSTOR instructions
57
CAPS_SSE       equ    25 ;SSE instructions
58
CAPS_SSE2      equ    26 ;SSE2 instructions
59
CAPS_SS        equ    27 ;self-snoop
60
CAPS_HTT       equ    28 ;hyper-threading technology
61
CAPS_TM        equ    29 ;thermal monitor supported
62
CAPS_IA64      equ    30 ;IA64 capabilities
63
CAPS_PBE       equ    31 ;pending break enable
64
 
65
;ecx
66
CAPS_SSE3      equ    32 ;SSE3 instructions
67
;                     33
68
;                     34
69
CAPS_MONITOR   equ    35 ;MONITOR/MWAIT instructions
70
CAPS_DS_CPL    equ    36 ;
71
CAPS_VMX       equ    37 ;virtual mode extensions
72
;                     38 ;
73
CAPS_EST       equ    39 ;enhansed speed step
74
CAPS_TM2       equ    40 ;thermal monitor2 supported
75
;                     41
76
CAPS_CID       equ    42 ;
77
;                     43
78
;                     44
79
CAPS_CX16      equ    45 ;CMPXCHG16B instruction
80
CAPS_xTPR      equ    46 ;
81
;
82
;reserved
83
;
84
;ext edx /ecx
85
CAPS_SYSCAL    equ    64 ;
86
CAPS_XD        equ    65 ;execution disable
87
CAPS_FFXSR     equ    66 ;
88
CAPS_RDTSCP    equ    67 ;
89
CAPS_X64       equ    68 ;
90
CAPS_3DNOW     equ    69 ;
91
CAPS_3DNOWEXT  equ    70 ;
92
CAPS_LAHF      equ    71 ;
93
CAPS_CMP_LEG   equ    72 ;
94
CAPS_SVM       equ    73 ;secure virual machine
95
CAPS_ALTMOVCR8 equ    74 ;
96
 
97
; CPU MSR names
98
MSR_SYSENTER_CS         equ     0x174
99
MSR_SYSENTER_ESP        equ     0x175
100
MSR_SYSENTER_EIP        equ     0x176
101
MSR_AMD_EFER            equ     0xC0000080      ; Extended Feature Enable Register
102
MSR_AMD_STAR            equ     0xC0000081      ; SYSCALL/SYSRET Target Address Register
103
 
104
CR0_PE         equ    0x00000001   ;protected mode
105
CR0_MP         equ    0x00000002   ;monitor fpu
106
CR0_EM         equ    0x00000004   ;fpu emulation
107
CR0_TS         equ    0x00000008   ;task switch
108
CR0_ET         equ    0x00000010   ;extension type hardcoded to 1
109
CR0_NE         equ    0x00000020   ;numeric error
110
CR0_WP         equ    0x00010000   ;write protect
111
CR0_AM         equ    0x00040000   ;alignment check
112
CR0_NW         equ    0x20000000   ;not write-through
113
CR0_CD         equ    0x40000000   ;cache disable
114
CR0_PG         equ    0x80000000   ;paging
115
 
116
 
117
CR4_VME        equ    0x0001
118
CR4_PVI        equ    0x0002
119
CR4_TSD        equ    0x0004
120
CR4_DE         equ    0x0008
121
CR4_PSE        equ    0x0010
122
CR4_PAE        equ    0x0020
123
CR4_MCE        equ    0x0040
124
CR4_PGE        equ    0x0080
125
CR4_PCE        equ    0x0100
126
CR4_OSFXSR     equ    0x0200
127
CR4_OSXMMEXPT  equ    0x0400
128
 
129
SSE_IE         equ    0x0001
130
SSE_DE         equ    0x0002
131
SSE_ZE         equ    0x0004
132
SSE_OE         equ    0x0008
133
SSE_UE         equ    0x0010
134
SSE_PE         equ    0x0020
135
SSE_DAZ        equ    0x0040
136
SSE_IM         equ    0x0080
137
SSE_DM         equ    0x0100
138
SSE_ZM         equ    0x0200
139
SSE_OM         equ    0x0400
140
SSE_UM         equ    0x0800
141
SSE_PM         equ    0x1000
142
SSE_FZ         equ    0x8000
143
 
144
SSE_INIT equ (SSE_IM+SSE_DM+SSE_ZM+SSE_OM+SSE_UM+SSE_PM)
145
 
146
IRQ_PIC        equ    0
147
IRQ_APIC       equ    1
148
 
149
struct  TSS
150
        _back       rw 2
151
        _esp0       rd 1
152
        _ss0        rw 2
153
        _esp1       rd 1
154
        _ss1        rw 2
155
        _esp2       rd 1
156
        _ss2        rw 2
157
        _cr3        rd 1
158
        _eip        rd 1
159
        _eflags     rd 1
160
        _eax        rd 1
161
        _ecx        rd 1
162
        _edx        rd 1
163
        _ebx        rd 1
164
        _esp        rd 1
165
        _ebp        rd 1
166
        _esi        rd 1
167
        _edi        rd 1
168
        _es         rw 2
169
        _cs         rw 2
170
        _ss         rw 2
171
        _ds         rw 2
172
        _fs         rw 2
173
        _gs         rw 2
174
        _ldt        rw 2
175
        _trap       rw 1
176
        _io         rw 1
177
                    rb 24
178
        _io_map_0   rb 4096
179
        _io_map_1   rb 4096
180
ends
181
 
4923 Serge 182
DRIVE_DATA_SIZE     equ 16
4429 Serge 183
 
184
OS_BASE             equ 0x80000000
185
 
186
window_data         equ (OS_BASE+0x0001000)
187
 
188
CURRENT_TASK        equ (OS_BASE+0x0003000)
189
TASK_COUNT          equ (OS_BASE+0x0003004)
190
TASK_BASE           equ (OS_BASE+0x0003010)
191
TASK_DATA           equ (OS_BASE+0x0003020)
192
TASK_EVENT          equ (OS_BASE+0x0003020)
193
 
194
CDDataBuf           equ (OS_BASE+0x0005000)
195
 
196
;unused                 0x6000 - 0x8fff
197
 
198
BOOT_VARS           equ (OS_BASE)               ;0x9000
199
 
200
idts                equ (OS_BASE+0x000B100)
201
WIN_STACK           equ (OS_BASE+0x000C000)
202
WIN_POS             equ (OS_BASE+0x000C400)
203
FDD_BUFF            equ (OS_BASE+0x000D000)     ;512
204
 
205
WIN_TEMP_XY         equ (OS_BASE+0x000F300)
206
KEY_COUNT           equ (OS_BASE+0x000F400)
4923 Serge 207
KEY_BUFF            equ (OS_BASE+0x000F401) ; 120*2 + 2*2 = 244 bytes, actually 255 bytes
4429 Serge 208
 
209
BTN_COUNT           equ (OS_BASE+0x000F500)
210
BTN_BUFF            equ (OS_BASE+0x000F501)
211
 
212
 
213
BTN_ADDR            equ (OS_BASE+0x000FE88)
214
MEM_AMOUNT          equ (OS_BASE+0x000FE8C)
215
 
216
SYS_SHUTDOWN        equ (OS_BASE+0x000FF00)
217
TASK_ACTIVATE       equ (OS_BASE+0x000FF01)
218
 
219
 
220
TMP_STACK_TOP       equ 0x006CC00
221
 
222
sys_proc            equ (OS_BASE+0x006F000)
223
 
224
SLOT_BASE           equ (OS_BASE+0x0080000)
225
 
226
VGABasePtr          equ (OS_BASE+0x00A0000)
227
 
228
CLEAN_ZONE          equ (_CLEAN_ZONE-OS_BASE)
229
IDE_DMA             equ (_IDE_DMA-OS_BASE)
230
 
231
; unused?
232
SB16Buffer          equ (OS_BASE+0x02A0000)
233
SB16_Status         equ (OS_BASE+0x02B0000)
234
 
235
UPPER_KERNEL_PAGES  equ (OS_BASE+0x0400000)
236
 
237
virtual at              (OS_BASE+0x05FFF80)
238
  tss  TSS
239
end virtual
240
 
241
HEAP_BASE           equ (OS_BASE+0x0800000)
242
HEAP_MIN_SIZE       equ 0x01000000
243
 
244
page_tabs           equ 0xFDC00000
245
app_page_tabs       equ 0xFDC00000
246
kernel_tabs         equ (page_tabs+ (OS_BASE shr 10))   ;0xFDE00000
247
master_tab          equ (page_tabs+ (page_tabs shr 10)) ;0xFDFF70000
248
 
249
LFB_BASE            equ 0xFE000000
250
 
251
 
252
new_app_base        equ 0;
253
 
254
twdw                equ 0x2000   ;(CURRENT_TASK-window_data)
255
 
256
std_application_base_address   equ new_app_base
257
RING0_STACK_SIZE    equ (0x2000 - 512)    ;512 байт для контекста FPU
258
 
259
REG_SS              equ (RING0_STACK_SIZE-4)
260
REG_APP_ESP         equ (RING0_STACK_SIZE-8)
261
REG_EFLAGS          equ (RING0_STACK_SIZE-12)
262
REG_CS              equ (RING0_STACK_SIZE-16)
263
REG_EIP             equ (RING0_STACK_SIZE-20)
264
REG_EAX             equ (RING0_STACK_SIZE-24)
265
REG_ECX             equ (RING0_STACK_SIZE-28)
266
REG_EDX             equ (RING0_STACK_SIZE-32)
267
REG_EBX             equ (RING0_STACK_SIZE-36)
268
REG_ESP             equ (RING0_STACK_SIZE-40)  ;RING0_STACK_SIZE-20
269
REG_EBP             equ (RING0_STACK_SIZE-44)
270
REG_ESI             equ (RING0_STACK_SIZE-48)
271
REG_EDI             equ (RING0_STACK_SIZE-52)
272
REG_RET             equ (RING0_STACK_SIZE-56)  ;irq0.return
273
 
274
 
4430 Serge 275
PAGE_SIZE           equ 4096
276
 
4429 Serge 277
PG_UNMAP            equ 0x000
278
PG_MAP              equ 0x001
279
PG_WRITE            equ 0x002
280
PG_SW               equ 0x003
281
PG_USER             equ 0x005
282
PG_UW               equ 0x007
283
PG_NOCACHE          equ 0x018
284
PG_LARGE            equ 0x080
285
PG_GLOBAL           equ 0x100
286
 
287
PG_SHARED           equ 0x200
288
 
289
;;;;;;;;;;;boot time variables
290
 
291
BOOT_BPP            equ 0x9000    ;byte   bits per pixel
292
BOOT_PITCH          equ 0x9001    ;word   scanline length
293
BOOT_VESA_MODE      equ 0x9008    ;word   vesa video mode
294
BOOT_X_RES          equ 0x900A    ;word   X res
295
BOOT_Y_RES          equ 0x900C    ;word   Y res
296
BOOT_BANK_SW        equ 0x9014    ;dword  Vesa 1.2 pm bank switch
297
BOOT_LFB            equ 0x9018    ;dword  Vesa 2.0 LFB address
298
BOOT_MTRR           equ 0x901C    ;byte   0 or 1 : enable MTRR graphics acceleration
299
;BOOT_LOG            equ 0x901D    ;byte   not used anymore (0 or 1 : enable system log display)
300
BOOT_LAUNCHER_START equ 0x901D    ;byte  (0 or 1) start the first app (right now it's LAUNCHER) after kernel is loaded?
301
;BOOT_DIRECT_LFB     equ 0x901E    ;byte   0 or 1 : enable direct lfb write, paging disabled
302
BOOT_DEBUG_PRINT    equ 0x901E    ;byte   If nonzero, duplicates debug output to the screen.
303
BOOT_DMA            equ 0x901F    ;
304
BOOT_PCI_DATA       equ 0x9020    ;8bytes pci data
305
BOOT_VRR            equ 0x9030    ;byte   VRR start enabled 1, 2-no
4923 Serge 306
;BOOT_IDE_BASE_ADDR  equ 0x9031   ;word   IDEContrRegsBaseAddr ; now free and is not used
4429 Serge 307
BOOT_MEM_AMOUNT     equ 0x9034    ;dword  memory amount
308
 
309
BOOT_APM_ENTRY      equ 0x9040
310
BOOT_APM_VERSION    equ 0x9044
311
BOOT_APM_FLAGS      equ 0x9046    ;unused
312
BOOT_APM_CODE_32    equ 0x9050
313
BOOT_APM_CODE_16    equ 0x9052
314
BOOT_APM_DATA_16    equ 0x9054
4923 Serge 315
;BOOT_IDE_BAR0_16    equ 0x9056 ; now free and is not used
316
;BOOT_IDE_BAR1_16    equ 0x9058 ; now free and is not used
317
;BOOT_IDE_BAR2_16    equ 0x905A ; now free and is not used
318
;BOOT_IDE_BAR3_16    equ 0x905C ; now free and is not used
319
;BOOT_IDE_PI_16      equ 0x905E ; now free and is not used
320
;BOOT_IDE_INTERR_16  equ 0x9060 ; now free and is not used
4429 Serge 321
 
322
TMP_FILE_NAME       equ     0
323
TMP_CMD_LINE        equ  1024
324
TMP_ICON_OFFS       equ  1280
325
 
326
 
327
EVENT_REDRAW       equ 0x00000001
328
EVENT_KEY          equ 0x00000002
329
EVENT_BUTTON       equ 0x00000004
330
EVENT_BACKGROUND   equ 0x00000010
331
EVENT_MOUSE        equ 0x00000020
332
EVENT_IPC          equ 0x00000040
333
EVENT_NETWORK      equ 0x00000080
334
EVENT_DEBUG        equ 0x00000100
335
EVENT_NETWORK2     equ 0x00000200
336
EVENT_EXTENDED     equ 0x00000400
337
 
338
EV_INTR            equ 1
339
 
340
struct  THR_DATA
341
                        rb (8192-512)
342
;       pl0_stack
343
        fpu_state       rb 512
344
        tls_page        rb 4096
345
        pdbr            rb 4096
346
ends
347
 
348
virtual at (OS_BASE-sizeof.THR_DATA)
349
  thr_data  THR_DATA
350
end virtual
351
 
352
struct  SYS_VARS
353
        bpp             dd ?
354
        scanline        dd ?
355
        vesa_mode       dd ?
356
        x_res           dd ?
357
        y_res           dd ?
358
ends
359
 
360
struct  APPOBJ                  ; common object header
361
        magic           dd ?    ;
362
        destroy         dd ?    ; internal destructor
363
        fd              dd ?    ; next object in list
364
        bk              dd ?    ; prev object in list
365
        pid             dd ?    ; owner id
366
ends
367
 
368
APP_OBJ_OFFSET  equ 48
369
APP_EV_OFFSET   equ 40
370
 
371
struct  CURSOR          APPOBJ
372
        base            dd ?   ;allocated memory
373
        hot_x           dd ?   ;hotspot coords
374
        hot_y           dd ?
375
 
376
        list_next       dd ?   ;next cursor in cursor list
377
        list_prev       dd ?   ;prev cursor in cursor list
378
        dev_obj         dd ?   ;device depended data
379
ends
380
 
381
 
382
struct  EVENT           APPOBJ
383
        id              dd ?   ;event uid
384
        state           dd ?   ;internal flags
385
        code            dd ?
386
                        rd 5
387
ends
388
 
389
 
390
struct  SMEM
391
        bk              dd ?
392
        fd              dd ?    ;+4
393
        base            dd ?    ;+8
394
        size            dd ?    ;+12
395
        access          dd ?    ;+16
396
        refcount        dd ?    ;+20
397
        name            rb 32   ;+24
398
ends
399
 
400
struct  SMAP            APPOBJ
401
        base            dd ?   ;mapped base
402
        parent          dd ?   ;SMEM
403
ends
404
 
405
struct  DLLDESCR
406
        bk              dd ?
407
        fd              dd ?    ;+4
408
        data            dd ?    ;+8
409
        size            dd ?    ;+12
410
        timestamp       dq ?
411
        refcount        dd ?
412
        defaultbase     dd ?
413
        coff_hdr        dd ?
414
        symbols_ptr     dd ?
415
        symbols_num     dd ?
416
        symbols_lim     dd ?
417
        exports         dd ?   ;export table
418
        name            rb 260
419
ends
420
 
421
struct  HDLL
422
        fd              dd ?   ;next object in list
423
        bk              dd ?   ;prev object in list
424
        pid             dd ?   ;owner id
425
 
426
        base            dd ?   ;mapped base
427
        size            dd ?   ;mapped size
428
        refcount        dd ?   ;reference counter for this process and this lib
429
        parent          dd ?   ;DLLDESCR
430
ends
431
 
432
struct  display_t
433
        x               dd ?
434
        y               dd ?
435
        width           dd ?
436
        height          dd ?
437
        bpp             dd ?
438
        vrefresh        dd ?
439
        pitch           dd ?
440
        lfb             dd ?
441
 
442
        modes           dd ?
443
        ddev            dd ?
444
        connector       dd ?
445
        crtc            dd ?
446
 
447
        cr_list.next    dd ?
448
        cr_list.prev    dd ?
449
 
450
        cursor          dd ?
451
 
452
        init_cursor     dd ?
453
        select_cursor   dd ?
454
        show_cursor     dd ?
455
        move_cursor     dd ?
456
        restore_cursor  dd ?
457
        disable_mouse   dd ?
458
        mask_seqno      dd ?
459
        check_mouse     dd ?
460
        check_m_pixel   dd ?
461
ends
462
 
463
struct  BOOT_DATA
464
        bpp             dd ?
465
        scanline        dd ?
466
        vesa_mode       dd ?
467
        x_res           dd ?
468
        y_res           dd ?
469
        mouse_port      dd ?
470
        bank_switch     dd ?
471
        lfb             dd ?
472
        vesa_mem        dd ?
473
        log             dd ?
474
        direct_lfb      dd ?
475
        pci_data        dd ?
476
                        dd ?
477
        vrr             dd ?
478
        ide_base        dd ?
479
        mem_amount      dd ?
480
        pages_count     dd ?
481
        pagemap_size    dd ?
482
        kernel_max      dd ?
483
        kernel_pages    dd ?
484
        kernel_tables   dd ?
485
 
486
        cpu_vendor      dd ?
487
                        dd ?
488
                        dd ?
489
        cpu_sign        dd ?
490
        cpu_info        dd ?
491
        cpu_caps        dd ?
492
                        dd ?
493
                        dd ?
494
ends
495
 
496
struct  LHEAD
497
        next            dd ?   ;next object in list
498
        prev            dd ?   ;prev object in list
499
ends
500
 
501
struct  MUTEX
502
        lhead   LHEAD
503
        count   dd ?
504
ends
505
 
506
struct  PCIDEV
507
        bk              dd ?
508
        fd              dd ?
509
        vendor_device_id dd ?
510
        class           dd ?
511
        devfn           db ?
512
        bus             db ?
513
                        rb 2
514
        owner           dd ? ; pointer to SRV or 0
515
ends
516
 
517
; The following macro assume that we are on uniprocessor machine.
518
; Serious work is needed for multiprocessor machines.
519
macro spin_lock_irqsave spinlock
520
{
521
        pushf
522
        cli
523
}
524
macro spin_unlock_irqrestore spinlock
525
{
526
        popf
527
}
528
macro spin_lock_irq spinlock
529
{
530
        cli
531
}
532
macro spin_unlock_irq spinlock
533
{
534
        sti
535
}
536
 
537
struct  MEM_STATE
538
        mutex           MUTEX
539
        smallmap        dd ?
540
        treemap         dd ?
541
        topsize         dd ?
542
        top             dd ?
543
        smallbins       rd 4*32
544
        treebins        rd 32
545
ends
546
 
547
struct  PG_DATA
548
        mem_amount      dd ?
549
        vesa_mem        dd ?
550
        pages_count     dd ?
551
        pages_free      dd ?
552
        pages_faults    dd ?
553
        pagemap_size    dd ?
554
        kernel_pages    dd ?
555
        kernel_tables   dd ?
556
        sys_page_dir    dd ?
557
        mutex           MUTEX
558
ends
559
 
560
struct  SRV
561
        srv_name        rb 16    ;ASCIIZ string
562
        magic           dd ?     ;+0x10 ;'SRV '
563
        size            dd ?     ;+0x14 ;size of structure SRV
564
        fd              dd ?     ;+0x18 ;next SRV descriptor
565
        bk              dd ?     ;+0x1C ;prev SRV descriptor
566
        base            dd ?     ;+0x20 ;service base address
567
        entry           dd ?     ;+0x24 ;service START function
568
        srv_proc        dd ?     ;+0x28 ;user mode service handler
569
        srv_proc_ex     dd ?     ;+0x2C ;kernel mode service handler
570
ends
571
 
572
struct USBSRV
573
        srv             SRV
574
        usb_func        dd ?
575
ends
576
 
577
struct USBFUNC
578
        strucsize       dd ?
579
        add_device      dd ?
580
        device_disconnect dd ?
581
ends
582
 
583
DRV_ENTRY    equ  1
584
DRV_EXIT     equ -1
585
 
586
struct  COFF_HEADER
587
        machine         dw ?
588
        nSections       dw ?
589
        DataTime        dd ?
590
        pSymTable       dd ?
591
        nSymbols        dd ?
592
        optHeader       dw ?
593
        flags           dw ?
594
ends
595
 
596
struct  COFF_SECTION
597
        Name            rb 8
598
        VirtualSize     dd ?
599
        VirtualAddress  dd ?
600
        SizeOfRawData   dd ?
601
        PtrRawData      dd ?
602
        PtrReloc        dd ?
603
        PtrLinenumbers  dd ?
604
        NumReloc        dw ?
605
        NumLinenum      dw ?
606
        Characteristics dd ?
607
ends
608
 
609
struct  COFF_RELOC
610
        VirtualAddress  dd ?
611
        SymIndex        dd ?
612
        Type            dw ?
613
ends
614
 
615
struct  COFF_SYM
616
        Name            rb 8
617
        Value           dd ?
618
        SectionNumber   dw ?
619
        Type            dw ?
620
        StorageClass    db ?
621
        NumAuxSymbols   db ?
622
ends
623
 
624
struct  IOCTL
625
        handle          dd ?
626
        io_code         dd ?
627
        input           dd ?
628
        inp_size        dd ?
629
        output          dd ?
630
        out_size        dd ?
631
ends
632
 
633
struct  IRQH
634
        list            LHEAD
635
        handler         dd ?   ;handler roututine
636
        data            dd ?   ;user-specific data
637
        num_ints        dd ?   ;how many times handled
638
ends