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32bits
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ext2-os2
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fsh32
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fsh32_devioctl.asm
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Assembly Source File
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1997-03-16
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3KB
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111 lines
;
; $Header: d:\\32bits\\ext2-os2\\fsh32\\rcs\\fsh32_devioctl.asm,v 1.4 1997/03/15 17:52:54 Willm Exp $
;
; 32 bits OS/2 device driver and IFS support. Provides 32 bits kernel
; services (DevHelp) and utility functions to 32 bits OS/2 ring 0 code
; (device drivers and installable file system drivers).
; Copyright (C) 1995, 1996, 1997 Matthieu WILLM (willm@ibm.net)
;
; This program is free software; you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 2 of the License, or
; (at your option) any later version.
;
; This program is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this program; if not, write to the Free Software
; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
.386p
INCL_DOSERRORS equ 1
include bseerr.inc
include devhlp.inc
include segdef.inc
include r0thunk.inc
CODE16 segment
ASSUME CS:CODE16, DS:FLAT
extrn FSH_DEVIOCTL : far
public thunk16$fsh32_devioctl
thunk16$fsh32_devioctl:
call FSH_DEVIOCTL
; jmp far ptr FLAT:thunk32$fsh32_devioctl
jmp32 thunk32$fsh32_devioctl
CODE16 ends
CODE32 segment
ASSUME CS:FLAT, DS:FLAT, ES:FLAT, SS:NOTHING
public thunk32$fsh32_devioctl
public fsh32_devioctl
;
;int FSH32ENTRY fsh32_devioctl(
; unsigned short FSDRaisedFlag , /* ebp + 8 */
; unsigned long hDev, /* ebp + 12 */
; unsigned short sfn, /* ebp + 16 */
; unsigned short cat, /* ebp + 20 */
; unsigned short func, /* ebp + 24 */
; PTR16 pParm, /* ebp + 28 */
; unsigned short cbParm, /* ebp + 32 */
; PTR16 pData, /* ebp + 36 */
; unsigned short cbData /* ebp + 40 */
;);
;
fsh32_devioctl proc near
enter 0, 0
push es
push ebx
sub esp, 24
mov ax, [ebp + 8]
mov [esp + 22], ax ; flag
mov eax, [ebp + 12]
mov [esp + 18], eax ; hDev
mov ax, [ebp + 16]
mov [esp + 16], ax ; sfn
mov ax, [ebp + 20] ; cat
mov [esp + 14], ax
mov ax, [ebp + 24]
mov [esp + 12], ax ; func
mov eax, [ebp + 28]
mov [esp + 8], eax ; pParm
mov ax, [ebp + 32]
mov [esp + 6], ax ; cbParm
mov eax, [ebp + 36]
mov [esp + 2], eax ; pData
mov ax, [ebp + 40] ; cbData
mov [esp], ax
jmp far ptr thunk16$fsh32_devioctl
thunk32$fsh32_devioctl:
movzx eax, ax
pop ebx
pop es
leave
ret
fsh32_devioctl endp
CODE32 ends
end