Files
mars-dosutils/kern_wasm.asm
Mario Fetka af8a046f9d tests
2026-05-23 21:58:13 +02:00

1459 lines
34 KiB
NASM

; kern_wasm.asm
;
; Open Watcom WASM/MASM-syntax port of the old TASM IDEAL kern.asm.
; Intended for 16-bit DOS large memory model builds on Linux with Open Watcom v2.
;
; Keep kern.asm as the historical TASM source and use this file for the
; reproducible Open Watcom build.
.286
.model large
.data
enterIPX dd 0
.code
public _IPXinit
public _IPXopen_socket
public _IPXclose_socket
public _IPXlisten
public _xmemmove
public _Net_Call
public _C32_LoadNios_Probe
public _C32_GetFunc_Probe
public _C32_CallVersion_Nios_Probe
public _C32_MapLock_Probe
public _C32_NCP87_Raw5_Probe
public _C32_OpenRef_Probe
public _C32_MapVar_Probe
public _Net_Call_VLM_Raw
_IPXinit proc far
push bp
mov bp, sp
push ds
push si
push di
mov ax, 7A00h
int 2Fh
cmp al, 0FFh
jne ipxinit_done
mov cx, @data
mov ds, cx
mov word ptr enterIPX, di
mov ax, es
mov word ptr enterIPX+2, ax
mov al, 1
ipxinit_done:
mov ah, 0
pop di
pop si
pop ds
pop bp
ret
_IPXinit endp
_xmemmove proc far
push bp
mov bp, sp
; far procedure stack layout, large model:
; [bp+0] old bp
; [bp+2] return offset
; [bp+4] return segment
; [bp+6] z offset
; [bp+8] z segment
; [bp+10] q offset
; [bp+12] q segment
; [bp+14] nmbr
cli
mov cx, [bp+14]
or cx, cx
jz xmem_done
push ds
push si
push di
pushf
lds si, dword ptr [bp+10]
les di, dword ptr [bp+6]
cmp di, si
jl xmem_forward
std
dec cx
add di, cx
add si, cx
inc cx
jmp xmem_copy
xmem_forward:
cld
xmem_copy:
rep movsb
popf
pop di
pop si
pop ds
xmem_done:
pop bp
sti
ret
_xmemmove endp
_IPXopen_socket proc far
push bp
mov bp, sp
push ds
push si
push di
; int IPXopen_socket(UI sock, int live)
mov ax, [bp+8] ; live
mov dx, [bp+6] ; sock
mov bx, @data
mov ds, bx
mov bx, 0
call dword ptr enterIPX
cmp al, 0FFh
jne ipxopen_not_already
mov ax, -1 ; socket already open
jmp ipxopen_done
ipxopen_not_already:
cmp al, 0FEh
jne ipxopen_ok
mov ax, -2 ; socket table full
jmp ipxopen_done
ipxopen_ok:
mov ax, dx
ipxopen_done:
pop di
pop si
pop ds
pop bp
ret
_IPXopen_socket endp
_IPXclose_socket proc far
push bp
mov bp, sp
push ds
push si
push di
; void IPXclose_socket(UI sock)
mov dx, [bp+6]
mov bx, @data
mov ds, bx
mov bx, 1
call dword ptr enterIPX
pop di
pop si
pop ds
pop bp
ret
_IPXclose_socket endp
_IPXlisten proc far
push bp
mov bp, sp
push ds
push si
push di
; int IPXlisten(ECB *ecb)
les si, dword ptr [bp+6]
mov bx, @data
mov ds, bx
mov bx, 4
call dword ptr enterIPX
pop di
pop si
pop ds
pop bp
mov ah, 0
ret
_IPXlisten endp
_Net_Call proc far
push bp
mov bp, sp
; int Net_Call(UI func, void *req, void *repl)
; [bp+6] func
; [bp+8] req offset
; [bp+10] req segment
; [bp+12] repl offset
; [bp+14] repl segment
mov ax, [bp+6]
push ds
push si
push di
pushf
lds si, dword ptr [bp+8]
les di, dword ptr [bp+12]
int 21h
popf
pop di
pop si
pop ds
pop bp
mov ah, 0
ret
_Net_Call endp
; int Net_Call_VLM_Raw(UI ax, UI bx, UI cx, UI dx,
; void *req, void *repl,
; UI p1, UI p2, UI p3)
;
; Experimental VLM entry caller.
; INT 2F AX=7A20 returns ES:BX = VLM entry if AX == 0000.
;
; Register setup for VLM entry:
; AX, BX, CX, DX from function args
; DS:SI = req
; ES:DI = repl
;
; Extra stack args pushed before calling VLM entry:
; p3, p2, p1
;
; For NWCREQUEST/VLM test:
; AX=function
; BX=numReqFrags
; CX=connid
; DX=numReplyFrags
; DS:SI=reqFragList
; ES:DI=replyFragList
; p1=6, p2=20h, p3=0
_Net_Call_VLM_Raw proc far
push bp
mov bp, sp
sub sp, 4
push ds
push si
push di
push es
mov ax, 7A20h
xor bx, bx
int 2Fh
or ax, ax
jz vlm_raw_found
mov ax, 88FFh
jmp short vlm_raw_done
vlm_raw_found:
; save VLM entry ES:BX in stack locals
mov [bp-4], bx
mov ax, es
mov [bp-2], ax
; load caller-requested registers
mov ax, [bp+6]
mov bx, [bp+8]
mov cx, [bp+10]
mov dx, [bp+12]
lds si, dword ptr [bp+14]
les di, dword ptr [bp+18]
push word ptr [bp+26]
push word ptr [bp+24]
push word ptr [bp+22]
call dword ptr [bp-4]
vlm_raw_done:
pop es
pop di
pop si
pop ds
mov sp, bp
pop bp
ret
_Net_Call_VLM_Raw endp
; int C32_LoadNios_Probe(UI axfunc, void *outbuf)
;
; 16-bit object, but captures 32-bit ESI and ECX using manual 386 opcodes.
; This keeps the OMF/linker in 16-bit mode while still reading Client32/NIOS
; values returned by:
; INT 2F AX=D8C1
;
; outbuf:
; +00 word AX after INT 2F
; +02 dword ESI after INT 2F
; +06 dword ECX after INT 2F
; +0A word BX
; +0C word CX low
; +0E word DX
; +10 word SI low
; +12 word DS
; +14 word ES
_C32_LoadNios_Probe proc far
push bp
mov bp, sp
push ds
push es
push si
push di
; xor ecx, ecx
db 66h, 33h, 0C9h
; xor esi, esi
db 66h, 33h, 0F6h
mov ax, [bp+6]
int 2Fh
push ds
push es
push si
push cx
push bx
push dx
push ax
les di, dword ptr [bp+8]
; restore AX result into AX and store word at out+0
pop ax
mov es:[di+0], ax
; Store ESI dword at es:[di+2].
; Encoding: ES override + operand-size prefix + MOV r/m32,r32
; mov es:[di+02], esi = 26 66 89 75 02
db 26h, 66h, 89h, 75h, 02h
; Store ECX dword at es:[di+6].
; mov es:[di+06], ecx = 26 66 89 4Dh 06
db 26h, 66h, 89h, 4Dh, 06h
pop dx
pop bx
pop cx
mov es:[di+10], bx
mov es:[di+12], cx
mov es:[di+14], dx
pop ax ; saved SI
mov es:[di+16], ax
pop ax ; saved ES
pop bx ; saved DS
mov es:[di+18], bx
mov es:[di+20], ax
pop di
pop si
pop es
pop ds
pop bp
xor ah, ah
ret
_C32_LoadNios_Probe endp
; int C32_GetFunc_Probe(char *name, void *outbuf)
;
; 16-bit OMF Client32 function resolver probe.
; This mimics C32BEGINUSE for one function name:
; INT 2F AX=D8C1
; save ESI as far pointer to __Nios+8 function resolver
; push name segment
; push name offset
; push 0
; push 0
; call far [ESI]
; add sp,8
;
; outbuf:
; +00 word load AX from INT2F
; +02 dword ESI from INT2F
; +06 dword ECX from INT2F
; +0A word resolver return AX
; +0C word resolver return DX
; +0E word BX
; +10 word CX
_C32_GetFunc_Probe proc far
push bp
mov bp, sp
sub sp, 4
push ds
push es
push si
push di
; clear ECX/ESI
db 66h, 33h, 0C9h
db 66h, 33h, 0F6h
mov ax, 0D8C1h
int 2Fh
; save ESI dword to [bp-4]
db 66h, 89h, 76h, 0FCh
push ax ; save load AX
; call resolver only if AX == 0
or ax, ax
jne c32get_store_fail
push word ptr [bp+8] ; name segment
push word ptr [bp+6] ; name offset
push 0
push 0
call dword ptr [bp-4]
add sp, 8
jmp short c32get_store
c32get_store_fail:
xor dx, dx
xor ax, ax
c32get_store:
push dx
push ax
les di, dword ptr [bp+10]
pop ax ; resolver AX
pop dx ; resolver DX
pop bx ; load AX saved in BX temporarily
mov es:[di+0], bx
; Store ESI dword at out+2: ES override + operand prefix
db 26h, 66h, 89h, 75h, 02h
; Store ECX dword at out+6
db 26h, 66h, 89h, 4Dh, 06h
mov es:[di+10], ax
mov es:[di+12], dx
mov es:[di+14], bx
mov es:[di+16], cx
pop di
pop si
pop es
pop ds
mov sp, bp
pop bp
xor ah, ah
ret
_C32_GetFunc_Probe endp
; int C32_CallVersion_Nios_Probe(void *outbuf)
;
; Safe Client32 version call using the exact d32wrap convention:
; 1) INT 2F AX=D8C1
; 2) use ESI resolver to resolve "CLIENT32GetVersion"
; 3) call ECX trampoline, not the function pointer directly:
; push 0
; push 0
; push fn_seg
; push fn_off
; call ECX
; add sp,8
;
; outbuf:
; +00 load AX
; +02 resolver off
; +04 resolver seg
; +06 trampoline off
; +08 trampoline seg
; +0A fn off
; +0C fn seg
; +0E call AX
; +10 call DX
; +12 flags
_C32_CallVersion_Nios_Probe proc far
push bp
mov bp, sp
sub sp, 12
push ds
push es
push si
push di
pushf
; clear ECX/ESI
db 66h, 33h, 0C9h
db 66h, 33h, 0F6h
mov ax, 0D8C1h
int 2Fh
; save ESI resolver at [bp-4]
db 66h, 89h, 76h, 0FCh
; save ECX trampoline at [bp-8]
db 66h, 89h, 4Eh, 0F8h
push ax ; load AX for output
or ax, ax
jne c32ver_fail
push cs
push offset c32ver_name
push 0
push 0
call dword ptr [bp-4]
add sp, 8
; resolver returns DX:AX function pointer
mov [bp-12], ax
mov [bp-10], dx
or ax, dx
je c32ver_fail
; d32wrap _CLIENT32GetVersion convention:
push 0
push 0
push word ptr [bp-10]
push word ptr [bp-12]
call dword ptr [bp-8]
add sp, 8
pushf
push dx
push ax
jmp short c32ver_store
c32ver_fail:
xor dx, dx
xor ax, ax
pushf
push dx
push ax
c32ver_store:
les di, dword ptr [bp+6]
pop ax ; call AX
pop dx ; call DX
pop bx ; flags
pop cx ; load AX
mov es:[di+0], cx
mov cx, word ptr [bp-4]
mov es:[di+2], cx
mov cx, word ptr [bp-2]
mov es:[di+4], cx
mov cx, word ptr [bp-8]
mov es:[di+6], cx
mov cx, word ptr [bp-6]
mov es:[di+8], cx
mov cx, word ptr [bp-12]
mov es:[di+10], cx
mov cx, word ptr [bp-10]
mov es:[di+12], cx
mov es:[di+14], ax
mov es:[di+16], dx
mov es:[di+18], bx
popf
pop di
pop si
pop es
pop ds
mov sp, bp
pop bp
xor ah, ah
ret
c32ver_name db 'CLIENT32GetVersion',0
_C32_CallVersion_Nios_Probe endp
; int C32_MapLock_Probe(void *ptr, UI len, void *outbuf)
;
; Probe d32wrap.o __MapLockFlat / __UnlockFlat:
; INT 2F AX=D8C1
; ESI resolver returned by D8C1 is used with command 2 and 3:
; push len_hi
; push len_lo
; push seg
; push off
; push 0
; push 2
; call ESI ; returns flat DX:AX
;
; push len_hi
; push len_lo
; push flat_hi
; push flat_lo
; push 0
; push 3
; call ESI ; unlock
;
; outbuf:
; +00 load AX
; +02 ESI off
; +04 ESI seg
; +06 map AX low
; +08 map DX high
; +0A unlock AX
; +0C unlock DX
_C32_MapLock_Probe proc far
push bp
mov bp, sp
sub sp, 8
push ds
push es
push si
push di
; clear ECX/ESI
db 66h, 33h, 0C9h
db 66h, 33h, 0F6h
mov ax, 0D8C1h
int 2Fh
; save ESI resolver at [bp-4]
db 66h, 89h, 76h, 0FCh
push ax ; load AX
or ax, ax
jne mapflat_fail
; MapLockFlat(ptr, len)
push 0
push word ptr [bp+10] ; len
push word ptr [bp+8] ; ptr seg
push word ptr [bp+6] ; ptr off
push 0
push 2
call dword ptr [bp-4]
add sp, 0cH
; save mapped flat DX:AX at [bp-8]
mov word ptr [bp-8], ax
mov word ptr [bp-6], dx
; UnlockFlat(flat, len)
push 0
push word ptr [bp+10] ; len
push dx
push ax
push 0
push 3
call dword ptr [bp-4]
add sp, 0cH
jmp short mapflat_store
mapflat_fail:
xor dx, dx
xor ax, ax
mov word ptr [bp-8], ax
mov word ptr [bp-6], dx
mapflat_store:
les di, dword ptr [bp+12]
mov bx, ax ; unlock AX
mov cx, dx ; unlock DX
pop ax ; load AX
mov es:[di+0], ax
mov ax, word ptr [bp-4]
mov es:[di+2], ax
mov ax, word ptr [bp-2]
mov es:[di+4], ax
mov ax, word ptr [bp-8]
mov es:[di+6], ax
mov ax, word ptr [bp-6]
mov es:[di+8], ax
mov es:[di+10], bx
mov es:[di+12], cx
pop di
pop si
pop es
pop ds
mov sp, bp
pop bp
xor ah, ah
ret
_C32_MapLock_Probe endp
; int C32_OpenRef_Probe(UI refLo, UI refHi, void *outbuf)
;
; Opens a Client32 connection by connection reference using the same d32wrap
; convention as _CONNOpenByReference / w95ocref.o.
;
; Input:
; refLo/refHi = connection reference, e.g. C32PRIMREF returned 0028:0000.
;
; outbuf:
; +00 load AX from D8C1
; +02 resolver off
; +04 resolver seg
; +06 trampoline off
; +08 trampoline seg
; +0A function off
; +0C function seg
; +0E return AX
; +10 return DX
; +12 handle low
; +14 handle high
_C32_OpenRef_Probe proc far
push bp
mov bp, sp
sub sp, 80
push ds
push es
push si
push di
; clear ESI/ECX
db 66h, 33h, 0F6h
db 66h, 33h, 0C9h
mov ax, 0D8C1h
int 2Fh
mov [bp-4], ax ; load AX
; resolver ESI -> [bp-8]
db 66h, 89h, 76h, 0F8h
; trampoline ECX -> [bp-12]
db 66h, 89h, 4Eh, 0F4h
or ax, ax
jne c32openref_fail
; resolve "CONNOpenByReference"
push cs
push offset c32openref_name
push 0
push 0
call dword ptr [bp-8]
add sp, 8
mov [bp-16], ax
mov [bp-14], dx
or ax, dx
jne c32openref_have_func
jmp c32openref_fail
c32openref_have_func:
; local output handle dword at [bp-20]
mov word ptr [bp-20], 0
mov word ptr [bp-18], 0
; MapLockFlat(&handle, 4) -> flat [bp-24]
push 0
push 4
push ss
lea ax, -20[bp]
push ax
push 0
push 2
call dword ptr [bp-8]
add sp, 0cH
mov [bp-24], ax
mov [bp-22], dx
; Call NIOS trampoline command 5 / CONNOpenByReference.
; This matches d32wrap _CONNOpenByReference after w95ocref:
; flat handle ptr,
; refHi/refLo,
; 0,0,
; FEFE FEFE FEFE FEFE,
; command 5,
; function ptr.
push word ptr [bp-22] ; flat handle high
push word ptr [bp-24] ; flat handle low
push word ptr [bp+8] ; ref high
push word ptr [bp+6] ; ref low
push 0
push 0
push 0fefeH
push 0fefeH
push 0fefeH
push 0fefeH
push 0
push 5
push word ptr [bp-14] ; function seg
push word ptr [bp-16] ; function off
call dword ptr [bp-12]
add sp, 1cH
mov [bp-28], ax
mov [bp-26], dx
; UnlockFlat(handle flat, 4)
push 0
push 4
push word ptr [bp-22]
push word ptr [bp-24]
push 0
push 3
call dword ptr [bp-8]
add sp, 0cH
jmp short c32openref_store
c32openref_fail:
mov word ptr [bp-16], 0
mov word ptr [bp-14], 0
mov word ptr [bp-28], 0ffffH
mov word ptr [bp-26], 0ffffH
mov word ptr [bp-20], 0
mov word ptr [bp-18], 0
c32openref_store:
les di, dword ptr [bp+10]
mov ax, [bp-4]
mov es:[di+0], ax
mov ax, [bp-8]
mov es:[di+2], ax
mov ax, [bp-6]
mov es:[di+4], ax
mov ax, [bp-12]
mov es:[di+6], ax
mov ax, [bp-10]
mov es:[di+8], ax
mov ax, [bp-16]
mov es:[di+10], ax
mov ax, [bp-14]
mov es:[di+12], ax
mov ax, [bp-28]
mov es:[di+14], ax
mov ax, [bp-26]
mov es:[di+16], ax
mov ax, [bp-20]
mov es:[di+18], ax
mov ax, [bp-18]
mov es:[di+20], ax
pop di
pop si
pop es
pop ds
mov sp, bp
pop bp
xor ah, ah
ret
c32openref_name db 'CONNOpenByReference',0
_C32_OpenRef_Probe endp
; int C32_MapVar_Probe(UI specLen, UI flag, void *outbuf)
;
; Exact-ish raw version of w95mconn.o::__C32MapConn16To32 second step.
;
; It emulates:
; C32MAPCONNONE 40 -> server name MARS
; NWCSCANCONNINFO(scanIterator/result ptr,
; scanInfoLevel=0A, scanConnInfo=NWCString/SPECTDATA "MARS",
; scanFlags=1, connInfoVersion=0,
; returnInfoLevel=0, returnConnInfo=NULL,
; connReference local)
;
; But calls Client32 CONNScanInfo directly through ECX/NIOS command 0A.
;
; outbuf:
; +00 load AX
; +02 resolver off
; +04 resolver seg
; +06 trampoline off
; +08 trampoline seg
; +0A function off
; +0C function seg
; +0E ret AX
; +10 ret DX
; +12 resultRef low ; corresponds to caller output ptr in w95mconn
; +14 resultRef high
; +16 connRefLocal low ; corresponds to d32conni local -1c
; +18 connRefLocal high
_C32_MapVar_Probe proc far
push bp
mov bp, sp
sub sp, 140
push ds
push es
push si
push di
; clear ESI/ECX
db 66h, 33h, 0F6h
db 66h, 33h, 0C9h
mov ax, 0D8C1h
int 2Fh
mov [bp-4], ax ; load AX
; resolver ESI -> [bp-8]
db 66h, 89h, 76h, 0F8h
; trampoline ECX -> [bp-12]
db 66h, 89h, 4Eh, 0F4h
or ax, ax
jne c32mapvar_fail
; resolve "CONNScanInfo"
push cs
push offset c32mapvar_name
push 0
push 0
call dword ptr [bp-8]
add sp, 8
mov [bp-16], ax
mov [bp-14], dx
or ax, dx
jne c32mapvar_have_func
jmp c32mapvar_fail
c32mapvar_have_func:
; resultRef/output dword at [bp-20], init 0
mov word ptr [bp-20], 0
mov word ptr [bp-18], 0
; connReference local dword at [bp-24], init 0
mov word ptr [bp-24], 0
mov word ptr [bp-22], 0
; string buffer at [bp-80], copy "MARS", zero padded enough
lea di, -80[bp]
push ss
pop es
mov byte ptr es:[di+0], 'M'
mov byte ptr es:[di+1], 'A'
mov byte ptr es:[di+2], 'R'
mov byte ptr es:[di+3], 'S'
mov byte ptr es:[di+4], 0
; Map string buffer len 31h -> [bp-28]
push 0
push 31H
push ss
lea ax, -80[bp]
push ax
push 0
push 2
call dword ptr [bp-8]
add sp, 0cH
mov [bp-28], ax
mov [bp-26], dx
; Build SPECTDATA/NWCString transfer block at [bp-48], len 10h.
; Mirrors d32conni initialization for server-name scan.
mov ax, [bp+6]
mov word ptr [bp-48], ax
mov word ptr [bp-46], 0
mov ax, [bp-28]
mov word ptr [bp-44], ax
mov ax, [bp-26]
mov word ptr [bp-42], ax
mov word ptr [bp-40], 1
mov word ptr [bp-38], 0
mov word ptr [bp-36], 0
mov word ptr [bp-34], 0
; Map scanInfo spectdata block len 10h -> [bp-32]
push 0
push 10H
push ss
lea ax, -48[bp]
push ax
push 0
push 2
call dword ptr [bp-8]
add sp, 0cH
mov [bp-32], ax
mov [bp-30], dx
; Map resultRef/output len4 -> [bp-56] (this is w95mconn caller ptr)
push 0
push 4
push ss
lea ax, -20[bp]
push ax
push 0
push 2
call dword ptr [bp-8]
add sp, 0cH
mov [bp-56], ax
mov [bp-54], dx
; Map connReference local len4 -> [bp-60]
push 0
push 4
push ss
lea ax, -24[bp]
push ax
push 0
push 2
call dword ptr [bp-8]
add sp, 0cH
mov [bp-60], ax
mov [bp-58], dx
; Raw CONNScanInfo via NIOS, following d32wrap _CONNScanInfo
; argument order from d32conni L$115.
push word ptr [bp-58] ; connReference flat high
push word ptr [bp-60] ; connReference flat low
push 0 ; returnConnInfo flat high = NULL
push 0 ; returnConnInfo flat low = NULL
push 0 ; returnInfoLen high
push 0 ; returnInfoLen low
push 0 ; returnInfoLevel high
push 4 ; returnInfoLevel low, as d32conni L$115
push 0 ; scan flag high
push word ptr [bp+8] ; scan flag low
push word ptr [bp-30] ; scanInfo flat high
push word ptr [bp-32] ; scanInfo flat low
push 0 ; scanInfoLevel high
push 0aH ; scanInfoLevel low = SERVER_NAME
push word ptr [bp-54] ; scanIterator/result flat high
push word ptr [bp-56] ; scanIterator/result flat low
push 0fefeH
push 0fefeH
push 0fefeH
push 0fefeH
push 0
push 0aH
push word ptr [bp-14]
push word ptr [bp-16]
call dword ptr [bp-12]
add sp, 30H
mov [bp-64], ax
mov [bp-62], dx
; Unlock maps.
push 0
push 4
push word ptr [bp-58]
push word ptr [bp-60]
push 0
push 3
call dword ptr [bp-8]
add sp, 0cH
push 0
push 4
push word ptr [bp-54]
push word ptr [bp-56]
push 0
push 3
call dword ptr [bp-8]
add sp, 0cH
push 0
push 10H
push word ptr [bp-30]
push word ptr [bp-32]
push 0
push 3
call dword ptr [bp-8]
add sp, 0cH
push 0
push 31H
push word ptr [bp-26]
push word ptr [bp-28]
push 0
push 3
call dword ptr [bp-8]
add sp, 0cH
jmp short c32mapvar_store
c32mapvar_fail:
mov word ptr [bp-16], 0
mov word ptr [bp-14], 0
mov word ptr [bp-64], 0ffffH
mov word ptr [bp-62], 0ffffH
mov word ptr [bp-20], 0
mov word ptr [bp-18], 0
mov word ptr [bp-24], 0
mov word ptr [bp-22], 0
c32mapvar_store:
les di, dword ptr [bp+10]
mov ax, [bp-4]
mov es:[di+0], ax
mov ax, [bp-8]
mov es:[di+2], ax
mov ax, [bp-6]
mov es:[di+4], ax
mov ax, [bp-12]
mov es:[di+6], ax
mov ax, [bp-10]
mov es:[di+8], ax
mov ax, [bp-16]
mov es:[di+10], ax
mov ax, [bp-14]
mov es:[di+12], ax
mov ax, [bp-64]
mov es:[di+14], ax
mov ax, [bp-62]
mov es:[di+16], ax
mov ax, [bp-20]
mov es:[di+18], ax
mov ax, [bp-18]
mov es:[di+20], ax
mov ax, [bp-24]
mov es:[di+22], ax
mov ax, [bp-22]
mov es:[di+24], ax
pop di
pop si
pop es
pop ds
mov sp, bp
pop bp
xor ah, ah
ret
c32mapvar_name db 'CONNScanInfo',0
_C32_MapVar_Probe endp
; int C32_NCP87_Raw5_Probe(UI connLo, UI connHi,
; void *hdr, UI hdrLen,
; void *path, UI pathLen,
; void *rep0, UI rep0Len,
; void *rep1, UI rep1Len,
; void *outbuf)
;
; Same as C32_NCP87_Raw_Probe but uses d32wrap-compatible 5-slot
; fragment tables: 5 * 8 = 0x28 bytes for request and reply.
_C32_NCP87_Raw5_Probe proc far
push bp
mov bp, sp
sub sp, 180
push ds
push es
push si
push di
; clear ESI/ECX
db 66h, 33h, 0F6h
db 66h, 33h, 0C9h
mov ax, 0D8C1h
int 2Fh
mov [bp-2], ax
db 66h, 89h, 76h, 0FAh ; resolver at [bp-6]
db 66h, 89h, 4Eh, 0F6h ; trampoline at [bp-10]
or ax, ax
jne raw5_fail
; resolve COMPATNcpRequestReply
push cs
push offset raw5_name
push 0
push 0
call dword ptr [bp-6]
add sp, 8
mov [bp-14], ax
mov [bp-12], dx
or ax, dx
jne raw5_have_func
jmp raw5_fail
raw5_have_func:
; actual reply len dword at [bp-36]
mov word ptr [bp-36], 0
mov word ptr [bp-34], 0
; map hdr -> [bp-20]
push 0
push word ptr [bp+0eH]
push word ptr [bp+0cH]
push word ptr [bp+0aH]
push 0
push 2
call dword ptr [bp-6]
add sp, 0cH
mov [bp-20], ax
mov [bp-18], dx
; map path -> [bp-24]
push 0
push word ptr [bp+14H]
push word ptr [bp+12H]
push word ptr [bp+10H]
push 0
push 2
call dword ptr [bp-6]
add sp, 0cH
mov [bp-24], ax
mov [bp-22], dx
; map rep0 -> [bp-28]
push 0
push word ptr [bp+1aH]
push word ptr [bp+18H]
push word ptr [bp+16H]
push 0
push 2
call dword ptr [bp-6]
add sp, 0cH
mov [bp-28], ax
mov [bp-26], dx
; map rep1 -> [bp-32]
push 0
push word ptr [bp+20H]
push word ptr [bp+1eH]
push word ptr [bp+1cH]
push 0
push 2
call dword ptr [bp-6]
add sp, 0cH
mov [bp-32], ax
mov [bp-30], dx
; zero req table [bp-160] len 40 and reply table [bp-120] len 40
push ss
pop es
cld
xor ax, ax
lea di, -160[bp]
mov cx, 20
rep stosw
lea di, -120[bp]
mov cx, 20
rep stosw
; req entry0 = hdr
mov ax, [bp-20]
mov [bp-160], ax
mov ax, [bp-18]
mov [bp-158], ax
mov ax, [bp+0eH]
mov [bp-156], ax
mov word ptr [bp-154], 0
; req entry1 = path
mov ax, [bp-24]
mov [bp-152], ax
mov ax, [bp-22]
mov [bp-150], ax
mov ax, [bp+14H]
mov [bp-148], ax
mov word ptr [bp-146], 0
; reply entry0 = rep0
mov ax, [bp-28]
mov [bp-120], ax
mov ax, [bp-26]
mov [bp-118], ax
mov ax, [bp+1aH]
mov [bp-116], ax
mov word ptr [bp-114], 0
; reply entry1 = rep1
mov ax, [bp-32]
mov [bp-112], ax
mov ax, [bp-30]
mov [bp-110], ax
mov ax, [bp+20H]
mov [bp-108], ax
mov word ptr [bp-106], 0
; map req table 0x28 -> [bp-40]
push 0
push 28H
push ss
lea ax, -160[bp]
push ax
push 0
push 2
call dword ptr [bp-6]
add sp, 0cH
mov [bp-40], ax
mov [bp-38], dx
; map reply table 0x28 -> [bp-44]
push 0
push 28H
push ss
lea ax, -120[bp]
push ax
push 0
push 2
call dword ptr [bp-6]
add sp, 0cH
mov [bp-44], ax
mov [bp-42], dx
; map actual reply len -> [bp-48]
push 0
push 4
push ss
lea ax, -36[bp]
push ax
push 0
push 2
call dword ptr [bp-6]
add sp, 0cH
mov [bp-48], ax
mov [bp-46], dx
; call COMPAT via NIOS command 8
push word ptr [bp-46]
push word ptr [bp-48]
push word ptr [bp-42]
push word ptr [bp-44]
push 0
push 2
push word ptr [bp-38]
push word ptr [bp-40]
push 0
push 2
push 0
push 57H
push 0
push 0
push word ptr [bp+8]
push word ptr [bp+6]
push 0
push 8
push word ptr [bp-12]
push word ptr [bp-14]
call dword ptr [bp-10]
add sp, 28H
mov [bp-52], ax
mov [bp-50], dx
; unlock important mappings only; ignore return
push 0
push 4
push word ptr [bp-46]
push word ptr [bp-48]
push 0
push 3
call dword ptr [bp-6]
add sp, 0cH
push 0
push 28H
push word ptr [bp-42]
push word ptr [bp-44]
push 0
push 3
call dword ptr [bp-6]
add sp, 0cH
push 0
push 28H
push word ptr [bp-38]
push word ptr [bp-40]
push 0
push 3
call dword ptr [bp-6]
add sp, 0cH
jmp short raw5_store
raw5_fail:
mov word ptr [bp-14], 0
mov word ptr [bp-12], 0
mov word ptr [bp-52], 0ffffH
mov word ptr [bp-50], 0ffffH
mov word ptr [bp-36], 0
mov word ptr [bp-34], 0
raw5_store:
les di, dword ptr [bp+22H]
mov ax, [bp-2]
mov es:[di+0], ax
mov ax, [bp-6]
mov es:[di+2], ax
mov ax, [bp-4]
mov es:[di+4], ax
mov ax, [bp-10]
mov es:[di+6], ax
mov ax, [bp-8]
mov es:[di+8], ax
mov ax, [bp-14]
mov es:[di+10], ax
mov ax, [bp-12]
mov es:[di+12], ax
mov ax, [bp-52]
mov es:[di+14], ax
mov ax, [bp-50]
mov es:[di+16], ax
mov ax, [bp-36]
mov es:[di+18], ax
mov ax, [bp-34]
mov es:[di+20], ax
pop di
pop si
pop es
pop ds
mov sp, bp
pop bp
xor ah, ah
ret
raw5_name db 'COMPATNcpRequestReply',0
_C32_NCP87_Raw5_Probe endp
end