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32bits
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ext2-os2
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fsh32
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fsh32_getvolparm.asm
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Assembly Source File
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1997-03-16
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3KB
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115 lines
;
; $Header: d:\\32bits\\ext2-os2\\fsh32\\rcs\\fsh32_getvolparm.asm,v 1.3 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_GETVOLPARM : far
public thunk16$fsh32_getvolparm
thunk16$fsh32_getvolparm:
call FSH_GETVOLPARM
; jmp far ptr FLAT:thunk32$fsh32_getvolparm
jmp32 thunk32$fsh32_getvolparm
CODE16 ends
CODE32 segment
ASSUME CS:FLAT, DS:FLAT, ES:FLAT, SS:NOTHING
public thunk32$fsh32_getvolparm
public fsh32_getvolparm
;
; int FSH32ENTRY fsh32_getvolparm(
; int hVPB, /* ebp + 8 */
; PTR16 *ppvpfsi, /* ebp + 12 */
; PTR16 *ppvpfsd /* ebp + 16 */
; );
;
fsh32_getvolparm proc near
enter 8, 0
;
; ebp - 4 -> tmpvpfsi
; ebp - 8 -> tmpvpfsd
;
push es
push ebx
sub esp, 10
mov ax, [ebp + 8] ; hVPB
mov [esp + 8], ax
mov ax, ss
mov [esp + 6], ax ; seg tmpvpfsi
mov [esp + 2], ax ; seg tmpvpfsd
lea eax, [ebp - 8]
mov [esp], ax ; ofs tmpvpfsd
lea eax, [ebp - 4]
mov [esp + 4], ax ; ofs tmpvpfsi
jmp far ptr thunk16$fsh32_getvolparm
thunk32$fsh32_getvolparm:
movzx eax, ax
cmp eax, NO_ERROR
jnz short @@error
mov eax, [ebp - 8]
mov ebx, [ebp + 16]
mov [ebx], eax
mov eax, [ebp - 4]
mov ebx, [ebp + 12]
mov [ebx], eax
mov eax, NO_ERROR
@@error:
pop ebx
pop es
leave
ret
fsh32_getvolparm endp
public __getvolume
__getvolume proc near
assume ES:NOTHING ; ALP bug ...
enter 0, 0
push es
push ebx
les bx, [ebp + 8]
mov eax, es:[bx] ; sb
pop ebx
pop es
leave
ret
__getvolume endp
CODE32 ends
end