Board.KolibriOS.org

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;public version

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;public version

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in module .....

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mov	esi, msgProc
call	SysMsgBoardStr

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format MS COFF

include 'proc32.inc'
include 'imports.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

section '.flat' code readable align 16

START:
	push	ebp
	mov	ebp,esp
	mov	eax,[ebp+8]

	cmp	eax,1
	jnz	.exit

	mov	esi, msgStart
	call	SysMsgBoardStr

	push	service_proc
	push	my_service
	call	RegService

	pop	ebp
	ret	4

.exit:
	mov	esi, msgBad
	call	SysMsgBoardStr

	pop	ebp
	xor	eax,eax
	ret	4

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

service_proc:

	push	ebp
	mov	ebp,esp

	   mov ebx, [ebp+4]
	   mov eax, [ebx+io_code]
	   cmp eax, 0
	   jne @F

	   mov eax, [ebx+output]
	   cmp [ebx+out_size], 4
	   jne .fail
	   mov [eax], dword 0

	mov	esi, msgProc
	call	SysMsgBoardStr

	   xor eax, eax
	   ret
@@:
.fail:

	mov	esi, msgProc
	call	SysMsgBoardStr

	   or eax, -1
	   ret


version 	dd	0x50005
my_service	db	'bcm4312',0

section '.data' data readable writable align 16


msgStart db 'Start...',0
msgProc db 'Proc...',0
msgBad db 'Bad...',0

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mov ebx,[ebp+4]

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arg3 <- esp+8
arg2 <- esp+4
arg1 <- esp - верхушка стека

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arg3 <- esp+12
arg2 <- esp+8
arg1 <- esp+4
адрес возврата <- esp

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arg3 <- esp+16
arg2 <- esp+12
arg1 <- esp+8
адрес возврата <- esp+4
сохранённое значение ebp <- esp

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arg3 <- ebp+16
arg2 <- ebp+12
arg1 <- ebp+8
адрес возврата <- ebp+4
сохранённое значение ebp <- ebp

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; если eax = значение BAR
and al,not 3
lea edx,[eax+DeviceRegister]
in {al|ax|eax},dx ; al/ax/eax = register value
out dx,{al|ax|eax} ; set register value to al|ax|eax

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; если eax = значение BAR
and al,not 0Fh
stdcall MapIoMem,eax,<size>,1Bh ; PG_SW+PG_NOCACHE, kernel-writable non-cacheable memory range
test eax,eax
jz die
mov ecx,[eax+DeviceRegister] ; ecx = register value
or dword [eax+DeviceRegister],10000h ; set bit in the register