mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-17 20:32:35 +03:00
121 lines
2.5 KiB
NASM
121 lines
2.5 KiB
NASM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;;
|
|
;; Distributed under terms of the GNU General Public License ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
;driver sceletone
|
|
|
|
format PE DLL native 0.05
|
|
entry START
|
|
|
|
DEBUG equ 1
|
|
|
|
API_VERSION equ 0 ;debug
|
|
|
|
STRIDE equ 4 ;size of row in devices table
|
|
|
|
SRV_GETVERSION equ 0
|
|
|
|
section '.flat' code readable writable executable
|
|
include 'proc32.inc'
|
|
include 'struct.inc'
|
|
include 'macros.inc'
|
|
include 'peimport.inc'
|
|
|
|
proc START c, state:dword, cmdline:dword
|
|
|
|
cmp [state], 1
|
|
jne .exit
|
|
.entry:
|
|
|
|
push esi
|
|
if DEBUG
|
|
mov esi, msgInit
|
|
invoke SysMsgBoardStr
|
|
end if
|
|
call detect
|
|
pop esi
|
|
test eax, eax
|
|
jz .fail
|
|
|
|
invoke RegService, my_service, service_proc
|
|
ret
|
|
.fail:
|
|
.exit:
|
|
xor eax, eax
|
|
ret
|
|
endp
|
|
|
|
proc service_proc stdcall, ioctl:dword
|
|
|
|
mov ebx, [ioctl]
|
|
mov eax, [ebx+IOCTL.io_code]
|
|
cmp eax, SRV_GETVERSION
|
|
jne @F
|
|
|
|
mov eax, [ebx+IOCTL.output]
|
|
cmp [ebx+IOCTL.out_size], 4
|
|
jne .fail
|
|
mov dword [eax], API_VERSION
|
|
xor eax, eax
|
|
ret
|
|
@@:
|
|
.fail:
|
|
or eax, -1
|
|
ret
|
|
endp
|
|
|
|
proc detect
|
|
push ebx
|
|
invoke GetPCIList
|
|
mov ebx, eax
|
|
.next_dev:
|
|
mov eax, [eax+PCIDEV.fd]
|
|
cmp eax, ebx
|
|
jz .err
|
|
mov edx, [eax+PCIDEV.vendor_device_id]
|
|
|
|
mov esi, devices
|
|
@@:
|
|
cmp dword [esi], 0
|
|
jz .next_dev
|
|
cmp edx, [esi]
|
|
jz .found
|
|
|
|
add esi, STRIDE
|
|
jmp @B
|
|
|
|
.found:
|
|
xor eax, eax
|
|
inc eax
|
|
pop ebx
|
|
ret
|
|
.err:
|
|
mov esi, msgFail
|
|
invoke SysMsgBoardStr
|
|
xor eax, eax
|
|
pop ebx
|
|
ret
|
|
endp
|
|
|
|
DEVICE_ID equ 1234; pci device id
|
|
VENDOR_ID equ 5678; device vendor id
|
|
|
|
|
|
;all initialized data place here
|
|
|
|
align 4
|
|
devices dd (DEVICE_ID shl 16)+VENDOR_ID
|
|
dd 0 ;terminator
|
|
|
|
my_service db 'MY_SERVICE',0 ;max 16 chars include zero
|
|
|
|
msgInit db 'detect hardware...',13,10,0
|
|
msgFail db 'device not found',13,10,0
|
|
|
|
align 4
|
|
data fixups
|
|
end data
|