| 1 | ; $Id: startup.asm 182 2001-05-13 19:50:33Z sandervl $
|
|---|
| 2 |
|
|---|
| 3 |
|
|---|
| 4 | ; 16 bits entrypoints for the PDD and thunks to call 32 bits code
|
|---|
| 5 | ;
|
|---|
| 6 | ; Copyright (C) 2000 Sander van Leeuwen
|
|---|
| 7 | ;
|
|---|
| 8 | ; Partly based on MWDD32 (32 bits OS/2 device driver and IFS support driver)
|
|---|
| 9 | ; Copyright (C) 1995, 1996 Matthieu WILLM
|
|---|
| 10 | ;
|
|---|
| 11 | ; This program is free software; you can redistribute it and/or modify
|
|---|
| 12 | ; it under the terms of the GNU General Public License as published by
|
|---|
| 13 | ; the Free Software Foundation; either version 2 of the License, or
|
|---|
| 14 | ; (at your option) any later version.
|
|---|
| 15 | ;
|
|---|
| 16 | ; This program is distributed in the hope that it will be useful,
|
|---|
| 17 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 18 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 19 | ; GNU General Public License for more details.
|
|---|
| 20 | ;
|
|---|
| 21 | ; You should have received a copy of the GNU General Public License
|
|---|
| 22 | ; along with this program; if not, write to the Free Software
|
|---|
| 23 | ; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|---|
| 24 |
|
|---|
| 25 | .386p
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 | INCL_DOS equ 1
|
|---|
| 29 | INCL_DOSERRORS equ 1
|
|---|
| 30 | include os2.inc
|
|---|
| 31 |
|
|---|
| 32 | include sbseg.inc
|
|---|
| 33 |
|
|---|
| 34 | DevHlp_VirtToLin EQU 5Bh
|
|---|
| 35 | DevHlp_VMLock EQU 55h
|
|---|
| 36 |
|
|---|
| 37 | ; Status word masks
|
|---|
| 38 | STERR EQU 8000H ; Bit 15 - Error
|
|---|
| 39 | STINTER EQU 0400H ; Bit 10 - Interim character
|
|---|
| 40 | STBUI EQU 0200H ; Bit 9 - Busy
|
|---|
| 41 | STDON EQU 0100H ; Bit 8 - Done
|
|---|
| 42 | STECODE EQU 00FFH ; Error code
|
|---|
| 43 |
|
|---|
| 44 | ; Definition of the request packet header.
|
|---|
| 45 |
|
|---|
| 46 | reqPacket struc
|
|---|
| 47 | reqLenght db ?
|
|---|
| 48 | reqUnit db ?
|
|---|
| 49 | reqCommand db ?
|
|---|
| 50 | reqStatus dw ?
|
|---|
| 51 | reqFlags db ?
|
|---|
| 52 | db 3 dup (?) ; Reserved field
|
|---|
| 53 | reqLink dd ?
|
|---|
| 54 | reqPacket ends
|
|---|
| 55 |
|
|---|
| 56 | rpInitIn struc
|
|---|
| 57 | i_rph db size reqPacket dup (?)
|
|---|
| 58 | i_unit db ?
|
|---|
| 59 | i_devHelp dd ?
|
|---|
| 60 | i_initArgs dd ?
|
|---|
| 61 | i_driveNum db ?
|
|---|
| 62 | rpInitIn ends
|
|---|
| 63 |
|
|---|
| 64 | rpInitOut struc
|
|---|
| 65 | o_rph db size reqPacket dup (?)
|
|---|
| 66 | o_unit db ?
|
|---|
| 67 | o_codeend dw ?
|
|---|
| 68 | o_dataend dw ?
|
|---|
| 69 | o_bpbarray dd ?
|
|---|
| 70 | o_status dw ?
|
|---|
| 71 | rpInitOut ends
|
|---|
| 72 |
|
|---|
| 73 | BEGINCS16 EQU OFFSET CODE16:help_stub_strategy
|
|---|
| 74 | BEGINDS16 EQU OFFSET DATA16:help_header
|
|---|
| 75 |
|
|---|
| 76 | DATA16 segment
|
|---|
| 77 | extrn DOS32FLATDS : abs ; ring 0 FLAT kernel data selector
|
|---|
| 78 | public __OffFinalDS16
|
|---|
| 79 | public help_header
|
|---|
| 80 | public sblive_header
|
|---|
| 81 | public _MSG_TABLE16
|
|---|
| 82 | public DevHelpInit
|
|---|
| 83 | public fOpen
|
|---|
| 84 | public InitPktSeg
|
|---|
| 85 | public InitPktOff
|
|---|
| 86 | public _MESSAGE_STR
|
|---|
| 87 | public pddname16
|
|---|
| 88 | public FileName
|
|---|
| 89 |
|
|---|
| 90 | ;*********************************************************************************************
|
|---|
| 91 | ;************************* Device Driver Header **********************************************
|
|---|
| 92 | ;*********************************************************************************************
|
|---|
| 93 | ;DEZE MOET ALS EERSTE blijven staan!!!!
|
|---|
| 94 | help_header dw (OFFSET sblive_header - BEGINDS16)
|
|---|
| 95 | ;dw OFFSET DATA16:sblive_header ; Pointer to next driver
|
|---|
| 96 | dw SEG DATA16:sblive_header
|
|---|
| 97 | dw 1000100110000000b ; Device attributes
|
|---|
| 98 | ; ||||| +-+ ||||
|
|---|
| 99 | ; ||||| | | |||+------------------ STDIN
|
|---|
| 100 | ; ||||| | | ||+------------------- STDOUT
|
|---|
| 101 | ; ||||| | | |+-------------------- NULL
|
|---|
| 102 | ; ||||| | | +--------------------- CLOCK
|
|---|
| 103 | ; ||||| | |
|
|---|
| 104 | ; ||||| | +------------------------+ (001) OS/2
|
|---|
| 105 | ; ||||| | | (010) DosDevIOCtl2 + SHUTDOWN
|
|---|
| 106 | ; ||||| +--------------------------+ (011) Capability bit strip
|
|---|
| 107 | ; |||||
|
|---|
| 108 | ; ||||+----------------------------- OPEN/CLOSE (char) or Removable (blk)
|
|---|
| 109 | ; |||+------------------------------ Sharing support
|
|---|
| 110 | ; ||+------------------------------- IBM
|
|---|
| 111 | ; |+-------------------------------- IDC entry point
|
|---|
| 112 | ; +--------------------------------- char/block device driver
|
|---|
| 113 |
|
|---|
| 114 | ; dw offset CODE16:help_stub_strategy ; Strategy routine entry point
|
|---|
| 115 | dw (offset help_stub_strategy - BEGINCS16) ; Strategy routine entry point
|
|---|
| 116 | dw 0 ; IDC routine entry point
|
|---|
| 117 | db 'OSSHLP$ ' ; Device name
|
|---|
| 118 | db 8 dup (0) ; Reserved
|
|---|
| 119 | dw 0000000000010011b ; Level 3 device driver capabilities
|
|---|
| 120 | ; |||||
|
|---|
| 121 | ; ||||+------------------ DosDevIOCtl2 + Shutdown
|
|---|
| 122 | ; |||+------------------- More than 16 MB support
|
|---|
| 123 | ; ||+-------------------- Parallel port driver
|
|---|
| 124 | ; |+--------------------- Adapter device driver
|
|---|
| 125 | ; +---------------------- InitComplete
|
|---|
| 126 | dw 0000000000000000b
|
|---|
| 127 |
|
|---|
| 128 | sblive_header dd -1
|
|---|
| 129 | dw 1101100110000000b ; Device attributes
|
|---|
| 130 | ; ||||| +-+ ||||
|
|---|
| 131 | ; ||||| | | |||+------------------ STDIN
|
|---|
| 132 | ; ||||| | | ||+------------------- STDOUT
|
|---|
| 133 | ; ||||| | | |+-------------------- NULL
|
|---|
| 134 | ; ||||| | | +--------------------- CLOCK
|
|---|
| 135 | ; ||||| | |
|
|---|
| 136 | ; ||||| | +------------------------+ (001) OS/2
|
|---|
| 137 | ; ||||| | | (010) DosDevIOCtl2 + SHUTDOWN
|
|---|
| 138 | ; ||||| +--------------------------+ (011) Capability bit strip
|
|---|
| 139 | ; |||||
|
|---|
| 140 | ; ||||+----------------------------- OPEN/CLOSE (char) or Removable (blk)
|
|---|
| 141 | ; |||+------------------------------ Sharing support
|
|---|
| 142 | ; ||+------------------------------- IBM
|
|---|
| 143 | ; |+-------------------------------- IDC entry point
|
|---|
| 144 | ; +--------------------------------- char/block device driver
|
|---|
| 145 |
|
|---|
| 146 | ; dw offset CODE16:sblive_stub_strategy; Strategy routine entry point
|
|---|
| 147 | dw (offset sblive_stub_strategy - BEGINCS16); Strategy routine entry point
|
|---|
| 148 | dw (offset sblive_stub_idc - BEGINCS16) ; IDC routine entry point
|
|---|
| 149 | db 'SBLIVE2$' ; Device name
|
|---|
| 150 | db 8 dup (0) ; Reserved
|
|---|
| 151 | dw 0000000000010011b ; Level 3 device driver capabilities
|
|---|
| 152 | ; |||||
|
|---|
| 153 | ; ||||+------------------ DosDevIOCtl2 + Shutdown
|
|---|
| 154 | ; |||+------------------- More than 16 MB support
|
|---|
| 155 | ; ||+-------------------- Parallel port driver
|
|---|
| 156 | ; |+--------------------- Adapter device driver
|
|---|
| 157 | ; +---------------------- InitComplete
|
|---|
| 158 | dw 0000000000000000b
|
|---|
| 159 |
|
|---|
| 160 | DevHelpInit dd 0
|
|---|
| 161 | fOpen dd 0
|
|---|
| 162 | InitPktSeg dw 0
|
|---|
| 163 | InitPktOff dw 0
|
|---|
| 164 | ;needed for rmcalls.lib
|
|---|
| 165 | _RM_Help0 dd 0
|
|---|
| 166 | _RM_Help1 dd 0
|
|---|
| 167 | _RM_Help3 dd 0
|
|---|
| 168 | _RMFlags dd 0
|
|---|
| 169 | _MESSAGE_STR db 1024 dup (0)
|
|---|
| 170 | _MSG_TABLE16 dw 0 ;message length
|
|---|
| 171 | dw (OFFSET _MESSAGE_STR - BEGINDS16) ;message far pointer
|
|---|
| 172 | dw SEG _MESSAGE_STR
|
|---|
| 173 |
|
|---|
| 174 | pddname16 db 'SBLIVE2$'
|
|---|
| 175 | FileName db "OSSHLP$", 0
|
|---|
| 176 |
|
|---|
| 177 | ;last byte in 16 bits data segment
|
|---|
| 178 | __OffFinalDS16 label byte
|
|---|
| 179 |
|
|---|
| 180 | DATA16 ends
|
|---|
| 181 |
|
|---|
| 182 | CODE16 segment
|
|---|
| 183 | assume cs:CODE16, ds:DATA16
|
|---|
| 184 |
|
|---|
| 185 | public __OffFinalCS16
|
|---|
| 186 |
|
|---|
| 187 | public help_stub_strategy
|
|---|
| 188 | public sblive_stub_strategy
|
|---|
| 189 | public sblive_stub_idc
|
|---|
| 190 | public thunk3216_devhelp
|
|---|
| 191 | public thunk3216_devhelp_modified_ds
|
|---|
| 192 | extrn DOSOPEN : far
|
|---|
| 193 | extrn DOSCLOSE : far
|
|---|
| 194 | extrn DOSWRITE : far
|
|---|
| 195 |
|
|---|
| 196 | ;DEZE MOET ALS EERSTE blijven staan!!!!
|
|---|
| 197 | help_stub_strategy proc far
|
|---|
| 198 | pushad
|
|---|
| 199 | push ds
|
|---|
| 200 | push es
|
|---|
| 201 | push fs
|
|---|
| 202 | push gs
|
|---|
| 203 |
|
|---|
| 204 | mov ax, DATA16
|
|---|
| 205 | mov ds, ax
|
|---|
| 206 |
|
|---|
| 207 | movzx eax, byte ptr es:[bx].reqCommand
|
|---|
| 208 | cmp eax, 0 ; Init
|
|---|
| 209 | je short @@help_init
|
|---|
| 210 | cmp eax, 0Dh ; DosOpen
|
|---|
| 211 | jne short @@help_error
|
|---|
| 212 | ;DosOpen
|
|---|
| 213 | cmp word ptr ds:(offset fOpen - BEGINDS16), 0
|
|---|
| 214 | je short @@help_ret_ok ; not ours
|
|---|
| 215 | push ebx ; later weer nodig
|
|---|
| 216 | push es
|
|---|
| 217 | mov word ptr ds:(offset fOpen - BEGINDS16), 0
|
|---|
| 218 | mov ax, word ptr ds:(offset InitPktSeg-BEGINDS16)
|
|---|
| 219 | mov fs, ax ; fs:ebx = req. packet
|
|---|
| 220 | xor ebx, ebx
|
|---|
| 221 | mov bx, word ptr ds:(offset InitPktOff - BEGINDS16)
|
|---|
| 222 | call far ptr FLAT:STRATEGY_
|
|---|
| 223 | pop es
|
|---|
| 224 | pop ebx ; oude bx ptr
|
|---|
| 225 | @@help_ret:
|
|---|
| 226 | mov word ptr es:[bx].reqStatus, ax
|
|---|
| 227 | @@help_ret_error:
|
|---|
| 228 | pop gs
|
|---|
| 229 | pop fs
|
|---|
| 230 | pop es
|
|---|
| 231 | pop ds
|
|---|
| 232 | popad
|
|---|
| 233 | ret
|
|---|
| 234 |
|
|---|
| 235 | @@help_init:
|
|---|
| 236 | mov eax, dword ptr es:[bx].i_devHelp
|
|---|
| 237 | mov dword ptr ds:(offset DevHelpInit - BEGINDS16), eax
|
|---|
| 238 | mov word ptr es:[bx].o_codeend, (offset __OffFinalCS16 - BEGINCS16)
|
|---|
| 239 | mov word ptr es:[bx].o_dataend, (offset __OffFinalDS16 - BEGINDS16)
|
|---|
| 240 |
|
|---|
| 241 | @@help_ret_ok:
|
|---|
| 242 | mov ax, STDON
|
|---|
| 243 | jmp short @@help_ret
|
|---|
| 244 |
|
|---|
| 245 | @@help_error:
|
|---|
| 246 | mov ax, STDON + STERR + ERROR_I24_BAD_COMMAND
|
|---|
| 247 | mov word ptr es:[bx].reqStatus, ax
|
|---|
| 248 | jmp short @@help_ret_error
|
|---|
| 249 |
|
|---|
| 250 | help_stub_strategy endp
|
|---|
| 251 |
|
|---|
| 252 |
|
|---|
| 253 | sblive_stub_strategy proc far
|
|---|
| 254 | pushad
|
|---|
| 255 | push ds
|
|---|
| 256 | push es
|
|---|
| 257 | push fs
|
|---|
| 258 | push gs
|
|---|
| 259 |
|
|---|
| 260 | mov ax, DATA16
|
|---|
| 261 | mov ds, ax
|
|---|
| 262 |
|
|---|
| 263 | movzx eax, byte ptr es:[bx].reqCommand
|
|---|
| 264 | cmp eax, 0
|
|---|
| 265 | jz short @@init
|
|---|
| 266 |
|
|---|
| 267 | push ebx
|
|---|
| 268 | push es
|
|---|
| 269 | mov ax, bx
|
|---|
| 270 | xor ebx, ebx
|
|---|
| 271 | mov bx, ax
|
|---|
| 272 | mov ax, es
|
|---|
| 273 | mov fs, ax ; fs:ebx = req. packet
|
|---|
| 274 |
|
|---|
| 275 | call far ptr FLAT:STRATEGY_ ; 32 bits strategy entry point
|
|---|
| 276 |
|
|---|
| 277 | pop es
|
|---|
| 278 | pop ebx ; oude bx ptr
|
|---|
| 279 | mov word ptr es:[bx].reqStatus, ax ; status code
|
|---|
| 280 |
|
|---|
| 281 | @@sblive_ret:
|
|---|
| 282 |
|
|---|
| 283 | pop gs
|
|---|
| 284 | pop fs
|
|---|
| 285 | pop es
|
|---|
| 286 | pop ds
|
|---|
| 287 | popad
|
|---|
| 288 | ret
|
|---|
| 289 |
|
|---|
| 290 | @@init:
|
|---|
| 291 | ;
|
|---|
| 292 | ; DEVICE= initialization
|
|---|
| 293 | ;
|
|---|
| 294 | mov word ptr ds:(InitPktSeg - BEGINDS16), es
|
|---|
| 295 | mov word ptr ds:(InitPktOff - BEGINDS16), bx
|
|---|
| 296 | inc word ptr ds:(fOpen - BEGINDS16)
|
|---|
| 297 | call device_init
|
|---|
| 298 |
|
|---|
| 299 | mov word ptr es:[bx].reqStatus, ax ; status code (ret by device_init)
|
|---|
| 300 | mov word ptr es:[bx].o_codeend, (offset __OffFinalCS16 - BEGINCS16)
|
|---|
| 301 | mov word ptr es:[bx].o_dataend, (offset __OffFinalDS16 - BEGINDS16)
|
|---|
| 302 | jmp short @@sblive_ret
|
|---|
| 303 |
|
|---|
| 304 | init_err:
|
|---|
| 305 | mov dword ptr es:[bx].i_devHelp, 0
|
|---|
| 306 | jmp short @@sblive_ret
|
|---|
| 307 |
|
|---|
| 308 | sblive_stub_strategy endp
|
|---|
| 309 |
|
|---|
| 310 | ;in: cx = cmd
|
|---|
| 311 | ; bx = lower 16 bits of ULONG parameter
|
|---|
| 312 | ; dx = upper 16 bits of ULONG parameter
|
|---|
| 313 | ;return value in dx:ax
|
|---|
| 314 | sblive_stub_idc proc far
|
|---|
| 315 | enter 0, 0
|
|---|
| 316 | and sp, 0fffch
|
|---|
| 317 |
|
|---|
| 318 | shl edx, 16
|
|---|
| 319 | mov dx, bx
|
|---|
| 320 | call far ptr FLAT:IDC_ ; 32 bits strategy entry point
|
|---|
| 321 |
|
|---|
| 322 | mov dx, ax
|
|---|
| 323 | shr eax, 16
|
|---|
| 324 | xchg ax, dx
|
|---|
| 325 |
|
|---|
| 326 | leave
|
|---|
| 327 | retf
|
|---|
| 328 | sblive_stub_idc endp
|
|---|
| 329 |
|
|---|
| 330 | device_init proc near
|
|---|
| 331 | enter 24, 0
|
|---|
| 332 | push ds
|
|---|
| 333 | push es
|
|---|
| 334 | push bx
|
|---|
| 335 | push si
|
|---|
| 336 | push di
|
|---|
| 337 |
|
|---|
| 338 | ; bp -> old bp
|
|---|
| 339 | ; bp - 2 -> FileHandle
|
|---|
| 340 | ; bp - 4 -> ActionTaken
|
|---|
| 341 | ; bp - 8 -> IOCTL parm (4 bytes) : union mwdd32_ioctl_init_device_parm
|
|---|
| 342 | ; bp - 24 -> IOCTL data (16 bytes) : union mwdd32_ioctl_init_device_data
|
|---|
| 343 |
|
|---|
| 344 | ;
|
|---|
| 345 | ; Opens wathlp$
|
|---|
| 346 | ;
|
|---|
| 347 | push seg DATA16 ; seg FileName
|
|---|
| 348 | push (offset FileName - BEGINDS16) ; ofs FileName
|
|---|
| 349 | push ss ; seg &FileHandle
|
|---|
| 350 | lea ax, [bp - 2]
|
|---|
| 351 | push ax ; ofs &FileHandle
|
|---|
| 352 | push ss ; seg &ActionTaken
|
|---|
| 353 | lea ax, [bp - 4]
|
|---|
| 354 | push ax ; ofs &ActionTaken
|
|---|
| 355 | push dword ptr 0 ; file size
|
|---|
| 356 | push 0 ; file attributes
|
|---|
| 357 | push OPEN_ACTION_FAIL_IF_NEW + OPEN_ACTION_OPEN_IF_EXISTS
|
|---|
| 358 | push OPEN_SHARE_DENYNONE + OPEN_ACCESS_READONLY
|
|---|
| 359 | push dword ptr 0 ; reserved
|
|---|
| 360 | call DOSOPEN
|
|---|
| 361 | cmp ax, NO_ERROR
|
|---|
| 362 | jnz short @@error
|
|---|
| 363 |
|
|---|
| 364 |
|
|---|
| 365 | ;
|
|---|
| 366 | ; Closes wathlp$
|
|---|
| 367 | ;
|
|---|
| 368 | push word ptr [bp - 2] ; FileHandle
|
|---|
| 369 | call DOSCLOSE
|
|---|
| 370 | cmp ax, NO_ERROR
|
|---|
| 371 | jnz short @@error
|
|---|
| 372 |
|
|---|
| 373 | @@out:
|
|---|
| 374 | push eax ;gemold door doswrite
|
|---|
| 375 |
|
|---|
| 376 | push 0001H
|
|---|
| 377 | push DATA16
|
|---|
| 378 | push (offset _MESSAGE_STR - BEGINDS16)
|
|---|
| 379 | push word ptr ds:(offset _MSG_TABLE16 - BEGINDS16)
|
|---|
| 380 | push ss
|
|---|
| 381 | lea dx, [bp - 2]
|
|---|
| 382 | push dx
|
|---|
| 383 | call DOSWRITE
|
|---|
| 384 |
|
|---|
| 385 | pop eax
|
|---|
| 386 |
|
|---|
| 387 | pop di
|
|---|
| 388 | pop si
|
|---|
| 389 | pop bx
|
|---|
| 390 | pop es
|
|---|
| 391 | pop ds
|
|---|
| 392 | leave
|
|---|
| 393 | ret
|
|---|
| 394 | @@error:
|
|---|
| 395 | mov ax, STDON + STERR + ERROR_I24_GEN_FAILURE
|
|---|
| 396 | jmp short @@out
|
|---|
| 397 |
|
|---|
| 398 | device_init endp
|
|---|
| 399 |
|
|---|
| 400 | ALIGN 2
|
|---|
| 401 | ;use devhlp pointer stored in 16 bits code segment
|
|---|
| 402 | thunk3216_devhelp:
|
|---|
| 403 | push ds
|
|---|
| 404 | push DATA16
|
|---|
| 405 | pop ds
|
|---|
| 406 | call dword ptr ds:(offset DevHelpInit - BEGINDS16)
|
|---|
| 407 | pop ds
|
|---|
| 408 |
|
|---|
| 409 | jmp far ptr FLAT:thunk1632_devhelp
|
|---|
| 410 |
|
|---|
| 411 | ALIGN 2
|
|---|
| 412 | thunk3216_devhelp_modified_ds:
|
|---|
| 413 | push gs
|
|---|
| 414 | push DATA16
|
|---|
| 415 | pop gs
|
|---|
| 416 | call dword ptr gs:(offset DevHelpInit - BEGINDS16)
|
|---|
| 417 | pop gs
|
|---|
| 418 | jmp far ptr FLAT:thunk1632_devhelp_modified_ds
|
|---|
| 419 |
|
|---|
| 420 | ;end of 16 bits code segment
|
|---|
| 421 | __OffFinalCS16 label byte
|
|---|
| 422 |
|
|---|
| 423 | CODE16 ends
|
|---|
| 424 |
|
|---|
| 425 | CODE32 segment
|
|---|
| 426 | ASSUME CS:FLAT, DS:FLAT, ES:FLAT
|
|---|
| 427 |
|
|---|
| 428 | public __OffBeginCS32
|
|---|
| 429 | public __GETDS
|
|---|
| 430 | public thunk1632_devhelp
|
|---|
| 431 | public thunk1632_devhelp_modified_ds
|
|---|
| 432 | public DevHlp
|
|---|
| 433 | public DevHlp_ModifiedDS
|
|---|
| 434 | public STRATEGY_
|
|---|
| 435 | public IDC_
|
|---|
| 436 | extrn SBLIVE_STRATEGY : near
|
|---|
| 437 | extrn SBLIVE_IDC : near
|
|---|
| 438 | IFDEF KEE
|
|---|
| 439 | extrn KernThunkStackTo16 : near
|
|---|
| 440 | extrn KernThunkStackTo32 : near
|
|---|
| 441 | ENDIF
|
|---|
| 442 |
|
|---|
| 443 | __OffBeginCS32:
|
|---|
| 444 |
|
|---|
| 445 | ;Called by Watcom to set the DS
|
|---|
| 446 | __GETDS proc near
|
|---|
| 447 | push eax
|
|---|
| 448 | mov eax, DOS32FLATDS
|
|---|
| 449 | mov ds, eax
|
|---|
| 450 | pop eax
|
|---|
| 451 | ret
|
|---|
| 452 | __GETDS endp
|
|---|
| 453 |
|
|---|
| 454 | __wcpp_2_pure_error__:
|
|---|
| 455 | __wcpp_2_undef_vfun__:
|
|---|
| 456 | __wcpp_2_undefed_cdtor__:
|
|---|
| 457 | __wcpp_2_dtor_array_store__:
|
|---|
| 458 | DevHelpDebug proc near
|
|---|
| 459 | int 3
|
|---|
| 460 | int 3
|
|---|
| 461 | ret
|
|---|
| 462 | DevHelpDebug endp
|
|---|
| 463 |
|
|---|
| 464 | ALIGN 4
|
|---|
| 465 |
|
|---|
| 466 | DevHlp proc near
|
|---|
| 467 | IFDEF KEE
|
|---|
| 468 | push eax
|
|---|
| 469 | call KernThunkStackTo16
|
|---|
| 470 | pop eax ;trashed by KernThunkStackTo16
|
|---|
| 471 | ENDIF
|
|---|
| 472 |
|
|---|
| 473 | jmp far ptr CODE16:thunk3216_devhelp
|
|---|
| 474 | ALIGN 4
|
|---|
| 475 | thunk1632_devhelp:
|
|---|
| 476 | IFDEF KEE
|
|---|
| 477 | push eax
|
|---|
| 478 | push edx
|
|---|
| 479 | call KernThunkStackTo32
|
|---|
| 480 | pop edx ;trashed by KernThunkStackTo32
|
|---|
| 481 | pop eax ;trashed by KernThunkStackTo32
|
|---|
| 482 | ENDIF
|
|---|
| 483 | ret
|
|---|
| 484 | DevHlp endp
|
|---|
| 485 |
|
|---|
| 486 | ALIGN 4
|
|---|
| 487 | DevHlp_ModifiedDS proc near
|
|---|
| 488 | IFDEF KEE
|
|---|
| 489 | push eax
|
|---|
| 490 | call KernThunkStackTo16
|
|---|
| 491 | pop eax ;trashed by KernThunkStackTo16
|
|---|
| 492 | ENDIF
|
|---|
| 493 | jmp far ptr CODE16:thunk3216_devhelp_modified_ds
|
|---|
| 494 | ALIGN 4
|
|---|
| 495 | thunk1632_devhelp_modified_ds:
|
|---|
| 496 | IFDEF KEE
|
|---|
| 497 | push eax
|
|---|
| 498 | push edx
|
|---|
| 499 | call KernThunkStackTo32
|
|---|
| 500 | pop edx ;trashed by KernThunkStackTo32
|
|---|
| 501 | pop eax ;trashed by KernThunkStackTo32
|
|---|
| 502 | ENDIF
|
|---|
| 503 | ret
|
|---|
| 504 | DevHlp_ModifiedDS endp
|
|---|
| 505 |
|
|---|
| 506 | STRATEGY_ proc far
|
|---|
| 507 | push ds
|
|---|
| 508 | push es
|
|---|
| 509 | push fs
|
|---|
| 510 | push gs
|
|---|
| 511 |
|
|---|
| 512 | mov eax, DOS32FLATDS
|
|---|
| 513 | mov ds, eax
|
|---|
| 514 | mov es, eax
|
|---|
| 515 | IFDEF KEE
|
|---|
| 516 | push stacksel
|
|---|
| 517 | push stackbase
|
|---|
| 518 |
|
|---|
| 519 | push edx
|
|---|
| 520 | mov edx, ss
|
|---|
| 521 | mov stacksel, edx
|
|---|
| 522 |
|
|---|
| 523 | call KernThunkStackTo32
|
|---|
| 524 | mov stackbase, edx
|
|---|
| 525 | pop edx ;trashed by KernThunkStackTo32
|
|---|
| 526 | call SBLIVE_STRATEGY
|
|---|
| 527 | push eax
|
|---|
| 528 | call KernThunkStackTo16
|
|---|
| 529 | pop eax ;trashed by KernThunkStackTo16
|
|---|
| 530 |
|
|---|
| 531 | pop stackbase
|
|---|
| 532 | pop stacksel
|
|---|
| 533 | ELSE
|
|---|
| 534 | call SBLIVE_STRATEGY
|
|---|
| 535 | ENDIF
|
|---|
| 536 |
|
|---|
| 537 | pop gs
|
|---|
| 538 | pop fs
|
|---|
| 539 | pop es
|
|---|
| 540 | pop ds
|
|---|
| 541 | retf
|
|---|
| 542 | STRATEGY_ endp
|
|---|
| 543 |
|
|---|
| 544 | ;in: ecx = cmd
|
|---|
| 545 | ; edx = ULONG parameter
|
|---|
| 546 | ;return value in eax
|
|---|
| 547 | IDC_ proc far
|
|---|
| 548 | push ds
|
|---|
| 549 | push es
|
|---|
| 550 | push fs
|
|---|
| 551 | push gs
|
|---|
| 552 | push ebx
|
|---|
| 553 |
|
|---|
| 554 | mov eax, DOS32FLATDS
|
|---|
| 555 | mov ds, eax
|
|---|
| 556 | mov es, eax
|
|---|
| 557 |
|
|---|
| 558 | IFDEF KEE
|
|---|
| 559 | push stacksel
|
|---|
| 560 | push stackbase
|
|---|
| 561 |
|
|---|
| 562 | push edx
|
|---|
| 563 | mov edx, ss
|
|---|
| 564 | mov stacksel, edx
|
|---|
| 565 |
|
|---|
| 566 | call KernThunkStackTo32
|
|---|
| 567 | mov stackbase, edx
|
|---|
| 568 | pop edx ;trashed by KernThunkStackTo32
|
|---|
| 569 |
|
|---|
| 570 | call SBLIVE_IDC
|
|---|
| 571 |
|
|---|
| 572 | push eax
|
|---|
| 573 | call KernThunkStackTo16
|
|---|
| 574 | pop eax ;trashed by KernThunkStackTo16
|
|---|
| 575 |
|
|---|
| 576 | pop stackbase
|
|---|
| 577 | pop stacksel
|
|---|
| 578 | ELSE
|
|---|
| 579 | call SBLIVE_IDC
|
|---|
| 580 | ENDIF
|
|---|
| 581 | pop ebx
|
|---|
| 582 | pop gs
|
|---|
| 583 | pop fs
|
|---|
| 584 | pop es
|
|---|
| 585 | pop ds
|
|---|
| 586 | retf
|
|---|
| 587 | IDC_ endp
|
|---|
| 588 |
|
|---|
| 589 | CODE32 ends
|
|---|
| 590 |
|
|---|
| 591 | DATA32 segment
|
|---|
| 592 | public __OffsetFinalCS16
|
|---|
| 593 | public __OffsetFinalDS16
|
|---|
| 594 | public __wcpp_2_pure_error__
|
|---|
| 595 | public __wcpp_2_undef_vfun__
|
|---|
| 596 | public __wcpp_2_undefed_cdtor__
|
|---|
| 597 | public __wcpp_2_dtor_array_store__
|
|---|
| 598 | public PDDName
|
|---|
| 599 | public _MSG_TABLE32
|
|---|
| 600 | public __OffBeginDS32
|
|---|
| 601 | public stackbase
|
|---|
| 602 | public stacksel
|
|---|
| 603 |
|
|---|
| 604 | __OffBeginDS32 dd 0
|
|---|
| 605 |
|
|---|
| 606 | stacksel dd 0
|
|---|
| 607 | stackbase dd 0
|
|---|
| 608 |
|
|---|
| 609 | __OffsetFinalCS16 dw (OFFSET CODE16:__OffFinalCS16 - BEGINCS16)
|
|---|
| 610 | __OffsetFinalDS16 dw (OFFSET DATA16:__OffFinalDS16 - BEGINDS16)
|
|---|
| 611 |
|
|---|
| 612 | _MSG_TABLE32 dw (OFFSET DATA16:_MSG_TABLE16 - BEGINDS16)
|
|---|
| 613 | dw SEG DATA16:_MSG_TABLE16
|
|---|
| 614 |
|
|---|
| 615 | ;16:16 address of driver name
|
|---|
| 616 | PDDName dw (OFFSET DATA16:pddname16 - BEGINDS16)
|
|---|
| 617 | dw SEG DATA16:pddname16
|
|---|
| 618 |
|
|---|
| 619 | DATA32 ends
|
|---|
| 620 |
|
|---|
| 621 | end
|
|---|
| 622 |
|
|---|