ccdba9490b
- add netmap (FreeBSD header files need to be updated with this) - move prototype perl scripts to prototype/ folder - create basic structure for sipcap app (no code yet)
189 lines
4.3 KiB
NASM
189 lines
4.3 KiB
NASM
PAGE 60,132
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NAME NDIS_0
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ifdef DOSX
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.386
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_TEXT SEGMENT PUBLIC DWORD USE16 'CODE'
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_TEXT ENDS
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_DATA SEGMENT PUBLIC DWORD USE16 'CODE'
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_DATA ENDS
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_TEXT32 SEGMENT PUBLIC BYTE USE32 'CODE'
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_TEXT32 ENDS
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CB_DSEG EQU <CS> ; DOSX is tiny-model
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D_SEG EQU <_TEXT SEGMENT>
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D_END EQU <_TEXT ENDS>
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ASSUME CS:_TEXT,DS:_TEXT
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PUSHREGS equ <pushad>
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POPREGS equ <popad>
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PUBPROC macro name
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align 4
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public @&name
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@&name label near
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endm
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else
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.286
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_TEXT SEGMENT PUBLIC DWORD 'CODE'
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_TEXT ENDS
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_DATA SEGMENT PUBLIC DWORD 'DATA'
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_DATA ENDS
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CB_DSEG EQU <SEG _DATA> ; 16bit is small/large model
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D_SEG EQU <_DATA SEGMENT>
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D_END EQU <_DATA ENDS>
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ASSUME CS:_TEXT,DS:_DATA
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PUSHREGS equ <pusha>
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POPREGS equ <popa>
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PUBPROC macro name
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public _&name
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_&name label far
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endm
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endif
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;-------------------------------------------
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D_SEG
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D_END
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_TEXT SEGMENT
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EXTRN _NdisSystemRequest : near
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EXTRN _NdisRequestConfirm : near
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EXTRN _NdisTransmitConfirm : near
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EXTRN _NdisReceiveLookahead : near
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EXTRN _NdisIndicationComplete : near
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EXTRN _NdisReceiveChain : near
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EXTRN _NdisStatusProc : near
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EXTRN _NdisAllocStack : near
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EXTRN _NdisFreeStack : near
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;
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; *ALL* interrupt threads come through this macro.
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;
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CALLBACK macro callbackProc, argsSize
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pushf
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PUSHREGS ;; Save the registers
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push es
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push ds
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mov ax,CB_DSEG ;; Load DS
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mov ds,ax
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call _NdisAllocStack ;; Get and install a stack.
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mov bx,ss ;; Save off the old stack in other regs
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mov cx,sp
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mov ss,dx ;; Install the new one
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mov sp,ax
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push bx ;; Save the old one on to the new stack
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push cx
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sub sp,&argsSize ;; Allocate space for arguments on the stack
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mov ax,ss ;; Set up the destination for the move
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mov es,ax
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mov di,sp
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mov ds,bx ;; Set up the source for the move.
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mov si,cx
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add si,4+6+32
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mov cx,&argsSize ;; Move the arguments to the stack.
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shr cx,1
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cld
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rep movsw
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mov ax,CB_DSEG ;; Set my data segment again.
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mov ds,ax
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call &callbackProc ;; Call the real callback.
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pop di ;; Pop off the old stack
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pop si
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mov bx,ss ;; Save off the current allocated stack.
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mov cx,sp
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mov ss,si ;; Restore the old stack
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mov sp,di
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push ax ;; Save the return code
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push bx ;; Free the stack. Push the pointer to it
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push cx
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call _NdisFreeStack
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add sp,4
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pop ax ;; Get the return code back
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add di,32 ;; Get a pointer to ax on the stack
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mov word ptr ss:[di],ax
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pop ds
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pop es
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POPREGS
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popf
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endm
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;
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; Define all of the callbacks for the NDIS procs.
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;
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PUBPROC systemRequestGlue
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CALLBACK _NdisSystemRequest,14
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RETF
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PUBPROC requestConfirmGlue
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CALLBACK _NdisRequestConfirm,12
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RETF
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PUBPROC transmitConfirmGlue
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CALLBACK _NdisTransmitConfirm,10
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RETF
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PUBPROC receiveLookaheadGlue
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CALLBACK _NdisReceiveLookahead,16
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RETF
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PUBPROC indicationCompleteGlue
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CALLBACK _NdisIndicationComplete,4
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RETF
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PUBPROC receiveChainGlue
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CALLBACK _NdisReceiveChain,16
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RETF
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PUBPROC statusGlue
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CALLBACK _NdisStatusProc,12
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RETF
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;
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; int FAR NdisGetLinkage (int handle, char *data, int size);
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;
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ifdef DOSX
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PUBPROC NdisGetLinkage
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push ebx
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mov ebx, [esp+8] ; device handle
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mov eax, 4402h ; IOCTRL read function
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mov edx, [esp+12] ; DS:EDX -> result data
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mov ecx, [esp+16] ; ECX = length
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int 21h
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pop ebx
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jc @fail
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xor eax, eax
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@fail: ret
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else
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PUBPROC NdisGetLinkage
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enter 0, 0
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mov bx, [bp+6]
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mov ax, 4402h
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mov dx, [bp+8]
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mov cx, [bp+12]
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int 21h
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jc @fail
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xor ax, ax
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@fail: leave
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retf
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endif
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ENDS
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END
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