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PAGE 60,132
NAME NDIS_0
ifdef DOSX
.386
_TEXT SEGMENT PUBLIC DWORD USE16 'CODE'
_TEXT ENDS
_DATA SEGMENT PUBLIC DWORD USE16 'CODE'
_DATA ENDS
_TEXT32 SEGMENT PUBLIC BYTE USE32 'CODE'
_TEXT32 ENDS
CB_DSEG EQU <CS> ; DOSX is tiny-model
D_SEG EQU <_TEXT SEGMENT>
D_END EQU <_TEXT ENDS>
ASSUME CS:_TEXT,DS:_TEXT
PUSHREGS equ <pushad>
POPREGS equ <popad>
PUBPROC macro name
align 4
public @&name
@&name label near
endm
else
.286
_TEXT SEGMENT PUBLIC DWORD 'CODE'
_TEXT ENDS
_DATA SEGMENT PUBLIC DWORD 'DATA'
_DATA ENDS
CB_DSEG EQU <SEG _DATA> ; 16bit is small/large model
D_SEG EQU <_DATA SEGMENT>
D_END EQU <_DATA ENDS>
ASSUME CS:_TEXT,DS:_DATA
PUSHREGS equ <pusha>
POPREGS equ <popa>
PUBPROC macro name
public _&name
_&name label far
endm
endif
;-------------------------------------------
D_SEG
D_END
_TEXT SEGMENT
EXTRN _NdisSystemRequest : near
EXTRN _NdisRequestConfirm : near
EXTRN _NdisTransmitConfirm : near
EXTRN _NdisReceiveLookahead : near
EXTRN _NdisIndicationComplete : near
EXTRN _NdisReceiveChain : near
EXTRN _NdisStatusProc : near
EXTRN _NdisAllocStack : near
EXTRN _NdisFreeStack : near
;
; *ALL* interrupt threads come through this macro.
;
CALLBACK macro callbackProc, argsSize
pushf
PUSHREGS ;; Save the registers
push es
push ds
mov ax,CB_DSEG ;; Load DS
mov ds,ax
call _NdisAllocStack ;; Get and install a stack.
mov bx,ss ;; Save off the old stack in other regs
mov cx,sp
mov ss,dx ;; Install the new one
mov sp,ax
push bx ;; Save the old one on to the new stack
push cx
sub sp,&argsSize ;; Allocate space for arguments on the stack
mov ax,ss ;; Set up the destination for the move
mov es,ax
mov di,sp
mov ds,bx ;; Set up the source for the move.
mov si,cx
add si,4+6+32
mov cx,&argsSize ;; Move the arguments to the stack.
shr cx,1
cld
rep movsw
mov ax,CB_DSEG ;; Set my data segment again.
mov ds,ax
call &callbackProc ;; Call the real callback.
pop di ;; Pop off the old stack
pop si
mov bx,ss ;; Save off the current allocated stack.
mov cx,sp
mov ss,si ;; Restore the old stack
mov sp,di
push ax ;; Save the return code
push bx ;; Free the stack. Push the pointer to it
push cx
call _NdisFreeStack
add sp,4
pop ax ;; Get the return code back
add di,32 ;; Get a pointer to ax on the stack
mov word ptr ss:[di],ax
pop ds
pop es
POPREGS
popf
endm
;
; Define all of the callbacks for the NDIS procs.
;
PUBPROC systemRequestGlue
CALLBACK _NdisSystemRequest,14
RETF
PUBPROC requestConfirmGlue
CALLBACK _NdisRequestConfirm,12
RETF
PUBPROC transmitConfirmGlue
CALLBACK _NdisTransmitConfirm,10
RETF
PUBPROC receiveLookaheadGlue
CALLBACK _NdisReceiveLookahead,16
RETF
PUBPROC indicationCompleteGlue
CALLBACK _NdisIndicationComplete,4
RETF
PUBPROC receiveChainGlue
CALLBACK _NdisReceiveChain,16
RETF
PUBPROC statusGlue
CALLBACK _NdisStatusProc,12
RETF
;
; int FAR NdisGetLinkage (int handle, char *data, int size);
;
ifdef DOSX
PUBPROC NdisGetLinkage
push ebx
mov ebx, [esp+8] ; device handle
mov eax, 4402h ; IOCTRL read function
mov edx, [esp+12] ; DS:EDX -> result data
mov ecx, [esp+16] ; ECX = length
int 21h
pop ebx
jc @fail
xor eax, eax
@fail: ret
else
PUBPROC NdisGetLinkage
enter 0, 0
mov bx, [bp+6]
mov ax, 4402h
mov dx, [bp+8]
mov cx, [bp+12]
int 21h
jc @fail
xor ax, ax
@fail: leave
retf
endif
ENDS
END