;; rs780 PCIe Port indirect regs test
;; (C) art_zh 2010
;; <kolibri@jerdev.co.uk>
use32 ;
org 0x0 ;
db 'MENUET01' ;
dd 0x01 ;
dd START ;
dd I_END ;
dd 0x1000 ;
dd 0x1000 ;
dd 0x0 ;
dd 0x0 ;
include 'MACROS.INC' ;
PCIE_SPACE equ 0xF0000000
PCIEINDP_INDEX equ 0xF00100E0
PCIEINDP_DATA equ 0xF00100E4 ; bus 0, dev 2
BOX_COLOR equ 0xE0D8D0
START:
red:
call draw_window
still:
mcall 10 ; event waiting
cmp eax,1 ; redraw window
je red ;
cmp eax,2 ; key pressed?
je key ;
cmp eax,3 ; button hit?
je button ;
jmp still ; none of that
;---------------------------------------------------------------------
key: ; key pressed
jmp red
;---------------------------------------------------------------------
button:
mcall 17 ; get the button ID
cmp ah, 1
jne .bt2
mcall -1
.bt2:
cmp ah, 2
jne .bt3
dec [Reg] ; Rg# decrement
jmp red
.bt3:
cmp ah, 3
jne .bt4
inc [Reg] ; Rg# increment
jmp red
.bt4:
cmp ah, 4
jne .bt5
add [Reg],16 ; PgDn
jmp red
.bt5:
cmp ah, 5
jne .bt6
mov edx, [Reg]
cmp edx, 16
jb @f
sub edx, 16
mov [Reg],edx ; PgUp
jmp red
@@:
xor edx, edx
mov [Reg], edx
jmp red
.bt6:
cmp ah, 6
jne still
mcall 37, 1 ; get the mouse pointer
shr eax, 16 ; only X needed
sub eax, 124 ; check the left border
jb red
xor edx, edx
mov ebx, 12
div ebx
cmp eax, 32 ; check the right border
jnb red
mov ecx, 31
sub ecx, eax ; reverse the bit order
mov ebx, [Rct]
btc ebx, ecx ; invert the bit
mov eax, [Reg]
mov [Rct], ebx
call write_pcieind_p
jmp red
;------------------------------------------------
print_config_reg:
;------------------------------------------------
mov eax, [Reg]
; and eax, 0x0FF
mov ebx, 3*65536+256 ; 3 hex digits
mov ecx, eax
mov dx,[stX]
shl edx,16 ; = X*65536
mov dx,[stY] ; = edx + Y
mov esi,0
mcall 47 ; print reg#
mov ecx, edx
call read_pcieind_p
mov edx, ecx
mov ecx, eax
add edx, 36*65536 ; right column
mov ebx, 8*65536+256 ; 8 hex digits
mcall 47 ; print config data
ret
;------------------------------------------------
read_pcieind_p:
; in: [Reg] = reg# | out: eax = [Rct] = data
;------------------------------------------------
mov edx, PCIEINDP_INDEX
xor eax, eax
mov ax, word [Reg]
mov [edx], eax
add dl, 4
mov eax, [edx]
mov [Rct], eax
ret
;------------------------------------------------
write_pcieind_p:
; in: [Reg] = reg#; [Rct] = data
;------------------------------------------------
mov edx, PCIEINDP_INDEX
xor eax, eax
mov ax, word [Reg]
mov [edx], eax
add dl, 4
mov eax, [Rct]
mov [edx], eax
sub dl, 4
xor eax, eax ; reg#1 = SCRATCH
inc al
mov [edx], eax ; safely switch the index
ret
;------------------------------------------------
draw_window:
;------------------------------------------------
mcall 12, 1
mcall 0, 1128*65536+530, 410*65536+290, 0x14B4A0A0,,title
; -----------------------------------------------------------------
; BUTTONS: Xleft Xwid, Ytop Yheig
mcall 8, 370*65536+ 40, 26*65536+ 18, 2, 0xB4A0A0 ; <<
mcall , , 51*65536+ 18, 3, ; >>
mcall , 425*65536+ 90, 26*65536+ 18, 4, ; Next Page
mcall , , 51*65536+ 18, 5, ; Prev Page
mcall , 117*65536+400, 97*65536+ 40, 6, ; Bits
call read_pcieind_p
mov ebx, bitstr2
inc ebx
mov edx, [Rct]
mov ecx, 0x80000000
xor eax, eax
.stringtest:
test edx, ecx
jz @f
mov byte [ebx+eax*2],'I' ; bit dump
jmp .nextbit
@@:
mov byte [ebx+eax*2],'0'
.nextbit:
inc eax
shr ecx, 1
jnz .stringtest
; button txt: X *65536+ Y
mcall 4, 378*65536+32 ,0x10000000, butstr2,3
mcall , 378*65536+57 , , butstr3,
mcall , 436*65536+32 , , butstr4,9
mcall , 436*65536+57 , , butstr5,
mcall 4, 122*65536+101,0 , bitstr0,65
mcall , 122*65536+110,0 , bitstr1,65
mcall , 122*65536+117,0 , bitstr2,65
mcall , 122*65536+126,0 , bitstr3,65
; -----------------------------------------------------------------
; draw the reg-value box
mov ebx, 10*65536+100 ; Xleft | Xwidth
mov ecx, 26*65536+250 ; Ytop | Yheight
mov edx, BOX_COLOR
mcall 13
; draw the reg-address box
mov ebx, 206*65536+146 ; Xleft | Xwidth
mov cx, 44 ; Yheight only
mcall 13
; fill the data box
mov bx, 40 ; upper position
mov [stY],bx
mov eax, [Reg]
mov [reg], eax ; store original#
.print_reg_names:
call print_config_reg
add [stY],14
inc [Reg]
mov edx,[reg]
mov eax, 16
add eax, edx
cmp eax,[Reg]
ja .print_reg_names
mov [Reg], edx ; restore original#
; fill the status box
mcall 4, 210*65536+30,0,str1,12
mcall , 210*65536+44, ,str2,
mcall , 210*65536+56, ,str3,
call read_pcieind_p
mov ecx, PCIEINDP_DATA
mov edx, 300*65536+30
mov ebx, 8*65536+256
mcall 47
add dx, 14
mov ecx,[Reg]
mov esi, 0
mcall 47
add dx,14
mov ecx, [Rct]
mcall 47
; print extra info
mov ebx, 120*65536+170
xor ecx, ecx
mov edx, info1
@@:
mcall 4,,,,66
add edx, 66
add ebx, 14
cmp edx, info_end
jb @b
mcall 12, 2
ret
align 4
;-------------------------------------------------
pix dd 0x55AACC33
pxX dd 200
pxY dd 160
stX dw 18
stY dw 0
reg dd 0
Rct dd 0 ; reg content
Reg dd 0x00 ; reg number
title db ' RS780 PCIe GFX Port indirect registers ',0
;------------------------------------------------------------------------------------
reg_str db 'Reg#| hex.Value '
;------------------------------------------------------------------------------------
str1 db 'bdf address:'
str2 db 'Reg. number:'
str3 db 'Reg.content:'
butstr2 db ' << '
butstr3 db ' >> '
butstr4 db 'Next Page'
butstr5 db 'Prev Page'
bitstr0 db '31',209,205,209,205,209,205,209,205,209,205,209,205,'24',\
209,205,209,205,209,205,209,205,209,205,209,205,209,205,'16',\
209,'15',205,209,205,209,205,209,205,209,205,209,205,209,'8',\
205,'7',209,205,209,205,209,205,209,205,209,205,209,205,209,'0',184
bitstr1 db 179,' | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ',179
bitstr2 db 179,'1 0 9 8',179,'7 6 5 4',179,'3 2 1 0',179,'9 8 7 6',\
179,'5 4 3 2',179,'1 0 9 8',179,'7 6 5 4',179,'3 2 1 0',179
bitstr3 db 212,205,207,205,207,205,207,205,207,205,207,205,207,205,207,205,207,\
205,207,205,207,205,207,205,207,205,207,205,207,205,207,205,207,205,207,\
205,207,205,207,205,207,205,207,205,207,205,207,205,207,205,207,205,207,\
205,207,205,207,205,207,205,207,205,207,205,190
info1 db '----------- PCIe GFX port indirect registers shortlist -----------'
db '| |'
info2 db '| reg 10 - port control; 20-25 - Tx control |'
db '| reg 30-36 - Tx credits; 50 - line status |'
db '| reg 60-62 - flow control; 70-72 Rx control |'
db '| reg 80-84 - Rx credits; A0,B1-B5 line control |'
db '| reg A1-A6 - lane training; A4 - speed control |'
db '------------------------------------------------------------------'
info_end:
I_END: ; end of program
rd 256
align 256
st_0: