forked from KolibriOS/kolibrios
36ae3b7991
2)extended events format 3)ATI hardware cursor git-svn-id: svn://kolibrios.org@227 a494cfbc-eb01-0410-851d-a64ba20cac60
176 lines
2.9 KiB
NASM
176 lines
2.9 KiB
NASM
|
|
;driver sceletone
|
|
|
|
format MS COFF
|
|
|
|
include 'proc32.inc'
|
|
|
|
|
|
OS_BASE equ 0;
|
|
new_app_base equ 0x60400000
|
|
PROC_BASE equ OS_BASE+0x0080000
|
|
|
|
struc IOCTL
|
|
{ .handle dd ?
|
|
.io_code dd ?
|
|
.input dd ?
|
|
.inp_size dd ?
|
|
.output dd ?
|
|
.out_size dd ?
|
|
}
|
|
|
|
virtual at 0
|
|
IOCTL IOCTL
|
|
end virtual
|
|
|
|
public START
|
|
public service_proc
|
|
public version
|
|
|
|
extrn AttachIntHandler
|
|
extrn SysMsgBoardStr
|
|
extrn PciApi
|
|
extrn PciRead32
|
|
extrn PciRead8
|
|
extrn PciWrite8
|
|
extrn AllocKernelSpace
|
|
extrn KernelAlloc
|
|
extrn MapPage
|
|
extrn GetPgAddr
|
|
extrn RegService
|
|
extrn ServiceHandler
|
|
extrn SetHwCursor
|
|
extrn LFBAddress
|
|
extrn LoadFile
|
|
extrn FpuSave
|
|
extrn FpuRestore
|
|
|
|
DEBUG equ 1
|
|
|
|
DRV_ENTRY equ 1
|
|
DRV_EXIT equ -1
|
|
STRIDE equ 4 ;size of row in devices table
|
|
|
|
section '.flat' code readable align 16
|
|
|
|
proc START stdcall, state:dword
|
|
|
|
cmp [state], 1
|
|
jne .exit
|
|
.entry:
|
|
|
|
if DEBUG
|
|
mov esi, msgInit
|
|
call SysMsgBoardStr
|
|
end if
|
|
|
|
stdcall RegService, my_service, service_proc
|
|
ret
|
|
.fail:
|
|
.exit:
|
|
xor eax, eax
|
|
ret
|
|
endp
|
|
|
|
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
|
|
|
|
align 4
|
|
proc service_proc stdcall, ioctl:dword
|
|
|
|
; mov edi, [ioctl]
|
|
; mov eax, [edi+io_code]
|
|
|
|
xor eax, eax
|
|
ret
|
|
endp
|
|
|
|
restore handle
|
|
restore io_code
|
|
restore input
|
|
restore inp_size
|
|
restore output
|
|
restore out_size
|
|
|
|
align 4
|
|
proc detect
|
|
locals
|
|
last_bus dd ?
|
|
endl
|
|
|
|
xor eax, eax
|
|
mov [bus], eax
|
|
inc eax
|
|
call PciApi
|
|
cmp eax, -1
|
|
je .err
|
|
|
|
mov [last_bus], eax
|
|
|
|
.next_bus:
|
|
and [devfn], 0
|
|
.next_dev:
|
|
stdcall PciRead32, [bus], [devfn], dword 0
|
|
test eax, eax
|
|
jz .next
|
|
cmp eax, -1
|
|
je .next
|
|
|
|
mov edi, devices
|
|
@@:
|
|
mov ebx, [edi]
|
|
test ebx, ebx
|
|
jz .next
|
|
|
|
cmp eax, ebx
|
|
je .found
|
|
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
|
|
|
|
|
|
;DEVICE_ID equ ; pci device id
|
|
;VENDOR_ID equ ; device vendor id
|
|
|
|
|
|
;all initialized data place here
|
|
|
|
align 4
|
|
devices dd (DEVICE_ID shl 16)+VENDOR_ID
|
|
dd 0 ;terminator
|
|
|
|
version dd 0x00010001
|
|
|
|
my_service db 'MY_SERVICE',0 ;max 16 chars include zero
|
|
|
|
msgInit db 'detect hardware...',13,10,0
|
|
msgPCI db 'PCI accsess not supported',13,10,0
|
|
msgFail db 'device not found',13,10,0
|
|
|
|
section '.data' data readable writable align 16
|
|
|
|
;all uninitialized data place here
|
|
|