Subversion Repositories Kolibri OS

;***************************************************************

; project name:    PCI Device Enumeration

; target platform: KolibriOS

; compiler:        flat assembler 1.68

; version:         2.21

; last update:     December 2007

; maintained by:   Jason Delozier (cordata51@hotmail.com)

;                  Sergey Kuzmin (kuzmin_serg@list.ru)

;                  Mihailov Ilia (ghost.nsk@gmail.com)

;                  Artem Jerdev  (art_zh@yahoo.com)

; project site:    http://www.coolthemes.narod.ru/pcidev.html

;***************************************************************

;Summary: This program will attempt to scan the PCI Bus

;        and display basic information about each device

;        connected to the PCI Bus.

;***************************************************************

include '../../../macros.inc'

;include 'macros.inc'

MEOS_APP_START

CODE

	call draw_window

still:	mcall	10			; wait here for event

	dec	eax			; redraw request ?

	jz	red

	dec	eax			; key in buffer ?

	jz	key

	dec	eax			; button in buffer ?

	jz	button

	jmp	still

red:					; redraw

	mcall	9, Proc_Info, -1	; window redraw requested so get new window coordinates and size

	mov	eax, [Proc_Info.box.left]; store the window coordinates into the Form Structure

	mov	[Form + 2], ax		; x start position

	mov	eax, [Proc_Info.box.top];

	mov	[Form + 6], ax		; ystart position

	mov	eax, [Proc_Info.box.width]	;

	mov	[Form], ax		; window width

	mov	eax, [Proc_Info.box.height]	;

	mov	[Form + 4] ,ax		; window height

	call	draw_window		; go redraw window now

	jmp	still

key:					; key

	mcall	2			; just read it and ignore

	jmp	still

button: 				; button

	mcall	17			; get id

	cmp	ah, 1			; button id = 1 ?

	jne	still

	mcall	-1			; close this program

draw_window:

	mov	byte [total], 0

	mcall	12, 1			; start of draw

	; DRAW WINDOW

	mcall	0, dword [Form], dword [Form + 4], 0x13ffffff, 0x805080d0, title

	; Insert horizontal bars  in list area

	mov	eax, 13 		; draw bar system function

	mov	ebx, 18 		; set Xstart position of bar

	shl	ebx, 16 		;

	mov	bx, word [Form] ; get width of window

	sub	bx, 32			; bar is 32 pixels shorter then window width

	mov	ecx, 119 * 65536 + 10	; set Ystart(109) and Height(10) of bar   109

	mov	edx, 0xC0C0C0		; set color of bar

again:	;begin draw bar loop

	mcall				; draw bar to window area

	shr	ecx, 16 		; move the Ystart position to working area

	add	ecx, 34 		; add 34 pixels to Y Start (moves bar down)

	cmp	cx, word [Form + 4]	; is the Ystart position outside of window area

	jae	nomo			; if so stop drawing bars

	sub	ecx, 14 		; if not, we only need 20 pixels between bar tops

	shl	ecx, 16 		; set that values as Ystart

	add	ecx, 10 		; Bar Height is always 10 pixels

	jmp	again			; draw another bar

nomo:					;done drawing bars here

	; start PCI stuff

	call	Get_PCI_Info		; get pci version and last bus, scan for and draw each pci device

	; Window inteface

	mov	cx, [PCI_Version]

	add	ch, '0'

	mov	[PCIWin + 85], ch	; 0xBADCODE but it works !

	mov	ch, cl

	shr	cl, 4

	and	ch, 0x0f

	add	cx, '00'

	mov	[PCIWin + 87], cx

	mov	cl, [PCI_LastBus]	; will only work if [PCI_LastBus] < 10

	add	cl, '0'

	mov	[PCIWin + 106], cl

	mov	edx, PCIWin

	mov	ebx, 20 * 65536 + 25	; x start, ystart of text

	mov	ecx, 0x224466		; color of text

	mov	eax, 4

@@:	movzx	esi, byte[edx]

	inc	edx

	mcall

	add	ebx, 10

	add	edx, esi

	cmp	byte[edx], -1

	jne	@b

	; Quantity of devices...

	movzx	ecx, byte [total]	; number to draw

	mcall	47, 0x00020000,,150 * 65536 + 65, 0x224466

	mov	ah, [MMIO_allowed]

	or 	ah, ah

	jz 	@f

	mov	ah, [MMIO_Bus]	; =255 if MMIO disabled / not found

	and	ah, 0x7f

	inc	ah

	jo	@f

	call	Try_MMIO

@@:

	mcall	12, 2			; end of draw

	ret

;------------------------------------------------------------------

;* Gets the PCI Version and Last Bus

Get_PCI_Info:

	mcall	62, 0

	mov	word [PCI_Version], ax

	mcall	62, 1

	mov	byte [PCI_LastBus], al

	;----------------------------------------------------------

	;* Get all devices on PCI Bus

	cmp	al, 0xff		; 0xFF means no pci bus found

	jne	Pci_Exists		;

	ret				; if no bus then leave

Pci_Exists:

	mov	byte [V_Bus], 0 	; reset varibles

	mov	byte [V_Dev], 0 	;

	mov	edx,  20 * 65536 + 110	; set start write position

Start_Enum:

	mov	bl, 6			; get a dword

	mov	bh, byte [V_Bus]	; bus of pci device

	mov	ch, byte [V_Dev]	; device number/function

	mov	cl, 0			; offset to device/vendor id

	mcall	62			; get ID's

	cmp	ax, 0			; Vendor ID should not be 0 or 0xFFFF

	je	nextDev 		; check next device if nothing exists here

	cmp	ax, 0xffff		;

	je	nextDev 		;

	mov	word [PCI_Vendor], ax	; There is a device here, save the ID's

	shr	eax, 16 		;

	mov	word [PCI_Device], ax	;

	mov	bl, 4			; Read config byte

	mov	bh, byte [V_Bus]	; Bus #

	mov	ch, byte [V_Dev]	; Device # on bus

	mov	cl, 0x08		; Register to read (Get Revision)

	mcall	62			; Read it

	mov	byte [PCI_Rev], al	; Save it

	mov	cl, 0x0b		; Register to read (Get class)

	mcall	62			; Read it

	mov	byte [PCI_Class], al	; Save it

	mov	cl, 0x0a		; Register to read (Get Subclass)

	mcall	62			; Read it

	mov	byte [PCI_SubClass], al; Save it

; by Mario79 august 2006

	mov	cl, 0x09		; Register to read (Get Interface)

	mcall	62			; Read it

	mov  [PCI_Interface], al	; Save it

;

; by Ghost april 2007

	mov	cl, 0x3c		; Register to read (Get IRQ)

@@:	mcall	62			; Read it

	mov	[PCI_IRQ], al		; Save it

; by CleverMouse juny 2011

	mov	cl, 0x0e

	mcall	62

	push	eax

	inc	byte [total]		; one more device found

	call	Print_New_Device	; print device info to screen

; don't scan for nonzero functions if zero function says "not multifunction device"

	pop	eax

	test	al, al

	js	nextDev

	test	byte [V_Dev], 7

	jnz	nextDev

	or	byte [V_Dev], 7

nextDev:

	inc	byte [V_Dev]		; next device on this bus

	jnz	Start_Enum		; jump until we reach zero

	;(used to be JNO which caused bug!!! 30-4-2006, JMD)

	mov	byte [V_Dev], 0 	; reset device number

	inc	byte [V_Bus]		; next bus

	mov	al, byte [PCI_LastBus]	; get last bus

	cmp	byte [V_Bus], al	; was it last bus

	jbe	Start_Enum		; if not jump to keep searching

	ret

no_ummio_allowed:

	xor 	al,al

	mov 	[MMIO_allowed],al		; re-enter the subroutine

;------------------------------------------------------------------

;* Print device info to screen

Print_New_Device:

	xor 	esi, esi	    	; default text color

	mov 	cl, [MMIO_allowed]

	or	cl,cl

	jz	no_ummio_here

	mov 	ch, byte [V_Bus]

	mov 	cl, byte [V_Dev]

	mcall	62, 11		; detect uMMIO

	and	ax,0x7fff

	inc 	ax			; -1 returned?

	jo 	no_ummio_allowed

	inc 	ax			; -2 returned?

	jo 	no_ummio_here

	inc 	ax			; -3 returned?

	jo 	no_ummio_here

	mov 	esi, 0x990033   ; highlighted text color

	mov 	bh, byte [V_Bus]

	mov 	bl, byte [V_Dev]

	mov 	byte [MMIO_Bus], bh

	mov 	byte [MMIO_Dev], bl

	add 	bh,'0'

	mov 	[PCIWin + 129], bh	; uMMIO bus

	mov 	al, bl

	shr 	al, 1

	shr 	al, 1

	shr 	al, 1

	add 	al,'0'

	mov 	[PCIWin + 131], al	; uMMIO device

	and 	bl, 7

	add 	bl, '0'

	mov 	[PCIWin + 133], bl	; uMMIO function

no_ummio_here:

	movzx	ecx,word [PCI_Vendor]	; Pointer to number to be written

	mcall	47, 0x00040100		; Write Vendor ID

	and	edx, 0xFFFF		;*****************************************

	or	edx, 54 * 65536 ; X start becomes 54

	movzx	ecx, word [PCI_Device]	; get Vendor ID

	mcall				; Draw Vendor ID to Window

	and	edx, 0xFFFF		;*****************************************

	or	edx, 98 * 65536 ; X start becomes 98

	movzx	ecx, byte [V_Bus]	; get bus number

	mcall	,0x00020100		; draw bus number to screen

	and	edx, 0xFFFF		;*****************************************

	or	edx, 128 * 65536	; X start becomes 128

	movzx	ecx, byte [V_Dev]	; get device number

	shr	ecx, 3			; device number is bits 3-7

	mcall				; Draw device Number To Window

	and	edx, 0xFFFF		;*****************************************

	or	edx, 155 * 65536	; X start becomes 155

	movzx	ecx, byte [V_Dev]	; get Function number

	and	ecx, 7			; function is first 3 bits

	mcall				; Draw Function Number To Window

	and	edx, 0xFFFF		;*****************************************

	or	edx, 179 * 65536	; X start becomes 179

	movzx	ecx, byte [PCI_Rev]	; get revision number

	mcall				; Draw Revision to screen

	and	edx, 0xFFFF		;*****************************************

	or	edx, 215*65536		; X start becomes 215

	movzx	ecx, byte [PCI_Class]	; get PCI_Class

	mcall				; Draw Class to screen

	and	edx, 0xFFFF		;*****************************************

	or	edx, 250*65536		; X start becomes 250

	movzx	ecx, byte [PCI_SubClass]; get sub class

	mcall				; Draw Sub Class to screen

; from Mario79 august 2006

	and	edx, 0xFFFF		;*****************************************

	or	edx, 280 * 65536	; X start becomes 280

	movzx	ecx, [PCI_Interface]	; get Interface

	mcall

;

; from Ghost april 2007                 ;*****************************************

	movzx	ecx, [PCI_IRQ]		; get Interface

	cmp	cl, 0x0f		; IRQ between 0..15

	ja	@f

	and	edx, 0xFFFF

	or	edx, 310 * 65536	; X start becomes 310

	mcall

@@:

;

	;Write Names

	movzx	ebx, dx 	; Set y position

	or	ebx, 340 * 65536	; set Xposition to 340

;------------------------------------------------------------------

; Prints the Vendor's Name based on Vendor ID

;

; Modified on ??-04-2007 by Ghost for size

;------------------------------------------------------------------

	mov	edx, VendorsTab

	mov	cx, word[PCI_Vendor]

.fn:	mov	ax, [edx]

	add	edx, 6

	test	ax, ax

	jz	.find

	cmp	ax, cx

	jne	.fn

.find:	mov	edx, [edx - 4]

	mcall	4,, 0x80000000		; lets print the vendor Name

;------------------------------------------------------------------

; Get description based on Class/Subclass

;

; Modified on ??-04-2007 by Ghost for size

;------------------------------------------------------------------

	mov	eax, dword [PCI_Class]

	and	eax, 0xffffff

	xor	edx, edx

	xor	esi, esi

.fnc:	inc	esi

	mov	ecx, [Classes + esi * 8 - 8]

	cmp	cx, 0xffff

	je	.endfc

	cmp	cx, ax

	jne	.fnc

	test	ecx, 0xff000000

	jz	@f

	mov	edx, [Classes + esi * 8 - 4]

	jmp	.fnc

@@:	cmp	eax, ecx

	jne	.fnc

	xor	edx, edx

.endfc: test	edx, edx

	jnz	@f

	mov	edx, [Classes + esi * 8 - 4]

@@:

	and	ebx, 0x0000FFFF 	; clear X position

	or	ebx, 0x24E0000		; set X position to 590 pixels

	mcall	4,, 0x80000000,, 32	; draw the text

	movzx	edx, bx 	; get y coordinate

	add	edx, 0x0014000A 	; add 10 to y coordinate and set x coordinate to 20

	mov	[gr_pos], edx

	ret

;------------------------------------------------------------------

; Get the user-MMIO related info

;

; Added on ??-12-2009 by art_zh

;------------------------------------------------------------------

Try_MMIO:

	xor	ebx, ebx

	mov	edx, ebx

	mov	bh, [MMIO_BAR]

	or	bx, 12			; function 12

	mov	ecx, 4096		; =1 page to map

	mcall	62

	mov	[MMIO_Map], eax 	; store MMIO lin.addr.

	mov	ecx, 0x80990022 	; print color : red

	add	bh, '0'

	cmp	eax, -3

	jne	@f

	mov	[bar_um+3], bh

	mov	ebx, [gr_pos]

	mov	edx, bar_um

	mcall	4

	jmp	mmio_next_bar

@@:

	cmp	eax, -4

	jne	@f

	mov	[bar_io+3], bh

	mov	ebx, [gr_pos]

	mov	edx, bar_io

	mcall	4

	jmp	mmio_next_bar

@@:

	cmp	bh, '6' 	; expansion ROM ?

	je	@f

	mov	[bar_ram+3], bh

	mov	ebx, [gr_pos]

	mov	edx, bar_ram

	mcall	4

	jmp	mmio_dump

@@:

	mov	ebx, [gr_pos]

	mov	edx, bar_rom

	mcall	4

mmio_dump:

	mov	edx, [MMIO_Map]

	mov	esi, 64

	mov	ecx, 0x099		; dump color : blue

	add	ebx, 10

	mov	[gr_pos], ebx

	mcall	4

	mov	ecx, [MMIO_Map] 	; release the tried page

	mcall	62,13

mmio_next_bar:

	mov	bh, [MMIO_BAR]

	inc	bh

	cmp	bh,7

	je	@f

	mov	[MMIO_BAR], bh

	add	[gr_pos], 10

	jmp	Try_MMIO

@@:

	xor	bh,bh

	mov	[MMIO_BAR], bh

	ret

include 'vendors.inc'

;------------------------------------------------------------------

; DATA AREA

DATA

Form:	dw 800 ; window width (no more, special for 800x600)

	dw 100 ; window x start

	dw 620 ; window height

	dw 20 ; window y start

title	db 'PCI Device Enumerator v 2.21 by J.Delozier, S.Kuzmin, V.Hanla, M.Zakiyanov, A.Jerdev', 0

PCIWin mls \

	'   Don`t forget to enable PCI Access to Applications in Setup Menu.',\

	'',\

	'PCI Version  = x.xx; Last PCI Bus = x',\

	'User MMIO channel = 0F.F:F ',\

	'Number of PCI units =',\

	'',\

	'VenID DevID Bus# Dev# Fnc Rev  Class  Subclass/ IRQ                 Company                      Description',\

	'                                      Interface',\

	'----- ----- ---- ---- --- ---  -----  --------- --- ------------------------------------------ ----------------'

bar_ram db 'BARx: MMIO block', 0

bar_io	db 'BARx: IO ports',0

bar_um	db 'BARx: unmapped',0

bar_rom db 'BAR6: Expansion ROM', 0

;------------------------------------------------------------------

; UNINITIALIZED DATA AREA

UDATA

total		db ?

V_Bus		db ?

V_Dev		db ?

PCI_Version	dw ?

PCI_LastBus	db ?

PCI_Device	dw ?

PCI_Vendor	dw ?

PCI_Bus 	db ?

PCI_Dev 	db ?

PCI_Rev 	db ?

; don`t change order!!!

PCI_Class	db ?

PCI_SubClass	db ?

PCI_Interface	db ?

PCI_IRQ 	db ?

align 4

MMIO_Bus	db 255

MMIO_Dev	db 255

MMIO_BAR	db 0

MMIO_allowed	db 1

MMIO_Map	rd 8

gr_pos		dd ?

Proc_Info	process_information

MEOS_APP_END