0,0 → 1,177 |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
;; ;; |
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
;; Distributed under terms of the GNU General Public License ;; |
;; ;; |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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;driver sceletone |
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format MS COFF |
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DEBUG equ 1 |
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API_VERSION equ 0 ;debug |
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include 'proc32.inc' |
include 'imports.inc' |
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OS_BASE equ 0; |
new_app_base equ 0x60400000 |
PROC_BASE equ OS_BASE+0x0080000 |
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struc IOCTL |
{ .handle dd ? |
.io_code dd ? |
.input dd ? |
.inp_size dd ? |
.output dd ? |
.out_size dd ? |
} |
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virtual at 0 |
IOCTL IOCTL |
end virtual |
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public START |
public service_proc |
public version |
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DRV_ENTRY equ 1 |
DRV_EXIT equ -1 |
STRIDE equ 4 ;size of row in devices table |
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SRV_GETVERSION equ 0 |
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section '.flat' code readable align 16 |
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proc START stdcall, state:dword |
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cmp [state], 1 |
jne .exit |
.entry: |
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if DEBUG |
mov esi, msgInit |
call SysMsgBoardStr |
end if |
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stdcall RegService, my_service, service_proc |
ret |
.fail: |
.exit: |
xor eax, eax |
ret |
endp |
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handle equ IOCTL.handle |
io_code equ IOCTL.io_code |
input equ IOCTL.input |
inp_size equ IOCTL.inp_size |
output equ IOCTL.output |
out_size equ IOCTL.out_size |
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align 4 |
proc service_proc stdcall, ioctl:dword |
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mov ebx, [ioctl] |
mov eax, [ebx+io_code] |
cmp eax, SRV_GETVERSION |
jne @F |
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mov eax, [ebx+output] |
cmp [ebx+out_size], 4 |
jne .fail |
mov [eax], dword API_VERSION |
xor eax, eax |
ret |
@@: |
.fail: |
or eax, -1 |
ret |
endp |
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restore handle |
restore io_code |
restore input |
restore inp_size |
restore output |
restore out_size |
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align 4 |
proc detect |
locals |
last_bus dd ? |
endl |
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xor eax, eax |
mov [bus], eax |
inc eax |
call PciApi |
cmp eax, -1 |
je .err |
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mov [last_bus], eax |
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.next_bus: |
and [devfn], 0 |
.next_dev: |
stdcall PciRead32, [bus], [devfn], dword 0 |
test eax, eax |
jz .next |
cmp eax, -1 |
je .next |
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mov edi, devices |
@@: |
mov ebx, [edi] |
test ebx, ebx |
jz .next |
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cmp eax, ebx |
je .found |
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add edi, STRIDE |
jmp @B |
.next: |
inc [devfn] |
cmp [devfn], 256 |
jb .next_dev |
mov eax, [bus] |
inc eax |
mov [bus], eax |
cmp eax, [last_bus] |
jna .next_bus |
xor eax, eax |
ret |
.found: |
xor eax, eax |
inc eax |
ret |
.err: |
xor eax, eax |
ret |
endp |
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DEVICE_ID equ 1234; pci device id |
VENDOR_ID equ 5678; device vendor id |
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;all initialized data place here |
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align 4 |
devices dd (DEVICE_ID shl 16)+VENDOR_ID |
dd 0 ;terminator |
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version dd (5 shl 16) or (API_VERSION and 0xFFFF) |
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my_service db 'MY_SERVICE',0 ;max 16 chars include zero |
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msgInit db 'detect hardware...',13,10,0 |
msgPCI db 'PCI accsess not supported',13,10,0 |
msgFail db 'device not found',13,10,0 |
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section '.data' data readable writable align 16 |
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;all uninitialized data place here |
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