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A sys func. 62 have call without cross registers.

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git-svn-id: svn://kolibrios.org@1587 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Alexey Teplov ( 2010-08-24 15:08:47 +00:00
parent f261636169
commit 0b08e1d642
3 changed files with 316 additions and 130 deletions
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428
kernel/branches/Kolibri-A/trunk/bus/pci/pci32.inc
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@ -1,6 +1,6 @@
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;; ;; ;;
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; ;; Copyright (C) KolibriOS team 2004-2010. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;; ;; Distributed under terms of the GNU General Public License ;;
;; ;; ;; ;;
;; ;; ;; ;;
@ -8,13 +8,11 @@
;; ;; ;; ;;
;; 32 bit PCI driver code ;; ;; 32 bit PCI driver code ;;
;; ;; ;; ;;
;; Version 0.4 February 2nd, 2010 ;;
;; Version 0.3 April 9, 2007 ;; ;; Version 0.3 April 9, 2007 ;;
;; Version 0.2 December 21st, 2002 ;; ;; Version 0.2 December 21st, 2002 ;;
;; ;; ;; ;;
;; Author: Victor Prodan, victorprodan@yahoo.com ;; ;; Author: Victor Prodan, victorprodan@yahoo.com ;;
;; Mihailov Ilia, ghost.nsk@gmail.com ;; ;; Mihailov Ilia, ghost.nsk@gmail.com ;;
;; Artem Jerdev, kolibri@jerdev.co.uk ;;
;; Credits: ;; ;; Credits: ;;
;; Ralf Brown ;; ;; Ralf Brown ;;
;; Mike Hibbett, mikeh@oceanfree.net ;; ;; Mike Hibbett, mikeh@oceanfree.net ;;
@ -32,64 +30,116 @@ $Revision$
; Description ; Description
; entry point for system PCI calls ; entry point for system PCI calls
;*************************************************************************** ;***************************************************************************
mmio_pci_addr dw 0x400 ; default PCI device bdf-address mmio_pci_addr equ 0x400 ; set actual PCI address here to activate user-MMIO
iglobal
align 4
f62call:
dd pci_api.0
dd pci_api.1
dd pci_api.2
dd pci_api.not_support ;3
dd pci_read_reg ;4 byte
dd pci_read_reg ;5 word
dd pci_read_reg ;6 dword
dd pci_api.not_support ;7
dd pci_write_reg ;8 byte
dd pci_write_reg ;9 word
dd pci_write_reg ;10 dword
if defined mmio_pci_addr
dd pci_mmio_init ;11
dd pci_mmio_map ;12
dd pci_mmio_unmap ;13
end if
f62_rcall:
dd pci_read_reg.0 ;4 byte
dd pci_read_reg.1 ;5 word
dd pci_read_reg.2 ;6 dword
f62_rcall2:
dd pci_read_reg_2.0 ;4 byte
dd pci_read_reg_2.1 ;5 word
dd pci_read_reg_2.2 ;6 dword
f62_wcall:
dd pci_write_reg.0 ;4 byte
dd pci_write_reg.1 ;5 word
dd pci_write_reg.2 ;6 dword
f62_wcall2:
dd pci_write_reg_2.0 ;4 byte
dd pci_write_reg_2.1 ;5 word
dd pci_write_reg_2.2 ;6 dword
endg
align 4 align 4
pci_api: pci_api:
movzx eax,bl
cmp [pci_access_enabled],1 cmp [pci_access_enabled],1
jne no_pci_access_for_applications jne .no_pci_access_for_applications
or al,al if defined mmio_pci_addr
jnz pci_fn_1 cmp eax, 13
jb .not_support
else
cmp eax, 10
jb .not_support
end if
call dword [f62call+eax*4]
mov dword [esp+32],eax
ret
; or al,al
; jnz pci_fn_1
; PCI function 0: get pci version (AH.AL) ; PCI function 0: get pci version (AH.AL)
movzx eax,word [BOOT_VAR+0x9022] .0:
movzx eax, word [BOOT_VAR+0x9022]
ret ret
pci_fn_1: ;pci_fn_1:
cmp al,1 ; cmp al,1
jnz pci_fn_2 ; jnz pci_fn_2
; PCI function 1: get last bus in AL ; PCI function 1: get last bus in AL
mov al,[BOOT_VAR+0x9021] .1:
movzx eax, byte [BOOT_VAR+0x9021]
ret ret
pci_fn_2: ;pci_fn_2:
cmp al,2 ; cmp al,2
jne pci_fn_3 ; jne pci_fn_3
; PCI function 2: get pci access mechanism ; PCI function 2: get pci access mechanism
mov al,[BOOT_VAR+0x9020] .2:
movzx eax, byte [BOOT_VAR+0x9020]
ret ret
pci_fn_3: ;pci_fn_3:
cmp al,4 ; cmp al,4
jz pci_read_reg ;byte ; jz pci_read_reg ;byte
cmp al,5 ; cmp al,5
jz pci_read_reg ;word ; jz pci_read_reg ;word
cmp al,6 ; cmp al,6
jz pci_read_reg ;dword ; jz pci_read_reg ;dword
cmp al,8 ; cmp al,8
jz pci_write_reg ;byte ; jz pci_write_reg ;byte
cmp al,9 ; cmp al,9
jz pci_write_reg ;word ; jz pci_write_reg ;word
cmp al,10 ; cmp al,10
jz pci_write_reg ;dword ; jz pci_write_reg ;dword
cmp al,11 ; user-level MMIO functions ;if defined mmio_pci_addr
jz pci_mmio_init ; cmp al,11 ; user-level MMIO functions
cmp al,12 ; jz pci_mmio_init
jz pci_mmio_map ; cmp al,12
cmp al,13 ; jz pci_mmio_map
jz pci_mmio_unmap ; cmp al,13
; jz pci_mmio_unmap
;end if
no_pci_access_for_applications:
or eax,-1
.not_support:
.no_pci_access_for_applications:
or eax,-1
ret ret
;*************************************************************************** ;***************************************************************************
@ -98,20 +148,20 @@ pci_fn_3:
; ;
; Description ; Description
; creates a command dword for use with the PCI bus ; creates a command dword for use with the PCI bus
; bus # in ah ; bus # in bh;ah
; device+func in bh (dddddfff) ; device+func in ch;bh (dddddfff)
; register in bl ; register in cl;bl
; ;
; command dword returned in eax ( 10000000 bbbbbbbb dddddfff rrrrrr00 ) ; command dword returned in ebx;eax ( 10000000 bbbbbbbb dddddfff rrrrrr00 )
;*************************************************************************** ;***************************************************************************
align 4 align 4
pci_make_config_cmd: pci_make_config_cmd:
shl eax,8 ; move bus to bits 16-23 shl ebx,8;eax,8 ; move bus to bits 16-23
mov ax,bx ; combine all mov bx,cx;ax,bx ; combine all
and eax,0xffffff and ebx,0xffffff;eax,0xffffff
or eax,0x80000000 or ebx,0x80000000;eax,0x80000000
ret ret
;*************************************************************************** ;***************************************************************************
@ -128,12 +178,16 @@ pci_make_config_cmd:
align 4 align 4
pci_read_reg: pci_read_reg:
push esi ; save register size into ESI cmp byte [BOOT_VAR+0x9020],2 ;what mechanism will we use?
mov esi,eax je pci_read_reg_2
; mechanism 1
; push esi ; save register size into ESI
mov esi,ebx;eax
and esi,3 and esi,3
call pci_make_config_cmd call pci_make_config_cmd
mov ebx,eax mov eax,ebx;ebx,eax
; get current state ; get current state
mov dx,0xcf8 mov dx,0xcf8
in eax, dx in eax, dx
@ -147,37 +201,100 @@ pci_read_reg:
and bl,3 and bl,3
or dl,bl ; add to port address first 2 bits of register address or dl,bl ; add to port address first 2 bits of register address
or esi,esi ; or esi,esi
jz pci_read_byte1 ; jz pci_read_byte1
cmp esi,1 ; cmp esi,1
jz pci_read_word1 ; jz pci_read_word1
cmp esi,2 ; cmp esi,2
jz pci_read_dword1 ; jz pci_read_dword1
jmp pci_fin_read1 ; jmp pci_fin_read1
jmp dword [f62_rcall+esi*4]
pci_read_byte1: .0:
in al,dx in al,dx
jmp pci_fin_read1 jmp .pci_fin_read1
pci_read_word1: .1:
in ax,dx in ax,dx
jmp pci_fin_read1 jmp .pci_fin_read1
pci_read_dword1: .2:
in eax,dx in eax,dx
jmp pci_fin_read1 ; jmp pci_fin_read1
pci_fin_read1: .pci_fin_read1:
; restore configuration control ; restore configuration control
xchg eax,[esp] xchg eax,[esp]
mov dx,0xcf8 mov dx,0xcf8
out dx,eax out dx,eax
pop eax pop eax
pop esi ;pop esi
ret
pci_read_reg_2:
test ch,128;bh,128 ;mech#2 only supports 16 devices per bus
jnz pci_api.not_support
; push esi ; save register size into ESI
mov esi,ebx;eax
and esi,3
push ebx;eax
mov eax,ebx
;store current state of config space
mov dx,0xcf8
in al,dx
mov ah,al
mov dl,0xfa
in al,dx
xchg eax,[esp]
; out 0xcfa,bus
mov al,ah
out dx,al
; out 0xcf8,0x80
mov dl,0xf8
mov al,0x80
out dx,al
; compute addr
shr ch,3;bh,3 ; func is ignored in mechanism 2
or ch,0xc0;bh,0xc0
mov dx,cx;bx
; or esi,esi
; jz pci_read_byte2
; cmp esi,1
; jz pci_read_word2
; cmp esi,2
; jz pci_read_dword2
; jmp pci_fin_read2
jmp dword [f62_rcall2+esi*4]
.0:
in al,dx
jmp .pci_fin_read2
.1:
in ax,dx
jmp .pci_fin_read2
.2:
in eax,dx
; jmp pci_fin_read2
.pci_fin_read2:
; restore configuration space
xchg eax,[esp]
mov dx,0xcfa
out dx,al
mov dl,0xf8
mov al,ah
out dx,al
pop eax
; pop esi
ret ret
pci_read_reg_err: ;pci_read_reg_err:
xor eax,eax ; or dword [esp+32],-1
dec eax ; ret
ret
;*************************************************************************** ;***************************************************************************
@ -195,12 +312,17 @@ pci_read_reg_err:
align 4 align 4
pci_write_reg: pci_write_reg:
push esi ; save register size into ESI cmp byte [BOOT_VAR+0x9020],2 ;what mechanism will we use?
mov esi,eax je pci_write_reg_2
and esi,3
; mechanism 1
; push esi ; save register size into ESI
mov esi,ebx;eax
and esi,3 ;not need
call pci_make_config_cmd call pci_make_config_cmd
mov ebx,eax mov eax,ebx;ebx,eax
mov ecx,edx ;cross registers
; get current state into ecx ; get current state into ecx
mov dx,0xcf8 mov dx,0xcf8
in eax, dx in eax, dx
@ -215,56 +337,121 @@ pci_write_reg:
or dl,bl or dl,bl
mov eax,ecx mov eax,ecx
or esi,esi ; or esi,esi
jz pci_write_byte1 ; jz pci_write_byte1
cmp esi,1 ; cmp esi,1
jz pci_write_word1 ; jz pci_write_word1
cmp esi,2 ; cmp esi,2
jz pci_write_dword1 ; jz pci_write_dword1
jmp pci_fin_write1 ; jmp pci_fin_write1
jmp dword [f62_wcall+esi*4]
pci_write_byte1: .0:
out dx,al out dx,al
jmp pci_fin_write1 jmp .pci_fin_write1
pci_write_word1: .1:
out dx,ax out dx,ax
jmp pci_fin_write1 jmp .pci_fin_write1
pci_write_dword1: .2:
out dx,eax out dx,eax
jmp pci_fin_write1 .pci_fin_write1:
pci_fin_write1:
; restore configuration control ; restore configuration control
pop eax pop eax
mov dl,0xf8 mov dl,0xf8
out dx,eax out dx,eax
xor eax,eax xor eax,eax
pop esi ;pop esi
ret ret
pci_write_reg_2:
test ch,128;bh,128 ;mech#2 only supports 16 devices per bus
jnz pci_api.not_support
; push esi ; save register size into ESI
mov esi,eax
and esi,3 ;not need
push eax
mov ecx,edx ;cross registers
;store current state of config space
mov dx,0xcf8
in al,dx
mov ah,al
mov dl,0xfa
in al,dx
xchg eax,[esp]
; out 0xcfa,bus
mov al,ah
out dx,al
; out 0xcf8,0x80
mov dl,0xf8
mov al,0x80
out dx,al
; compute addr
shr bh,3 ; func is ignored in mechanism 2
or bh,0xc0
mov dx,bx
; write register
mov eax,ecx
; or esi,esi
; jz pci_write_byte2
; cmp esi,1
; jz pci_write_word2
; cmp esi,2
; jz pci_write_dword2
; jmp pci_fin_write2
jmp dword [f62_wcall2+esi*4]
.0:
out dx,al
jmp .pci_fin_write2
.1:
out dx,ax
jmp .pci_fin_write2
.2:
out dx,eax
.pci_fin_write2:
; restore configuration space
pop eax
mov dx,0xcfa
out dx,al
mov dl,0xf8
mov al,ah
out dx,al
pci_write_reg_err:
xor eax,eax xor eax,eax
dec eax ;pop esi
ret ret
;pci_write_reg_err:
; xor eax,eax
; dec eax
; ret
if defined mmio_pci_addr ; must be set above
;*************************************************************************** ;***************************************************************************
; Function ; Function
; pci_mmio_init ; pci_mmio_init
; ;
; Description ; Description
; IN: bx = device's PCI bus address (bbbbbbbbdddddfff) ; IN: cx = device's PCI bus address (bbbbbbbbdddddfff)
; Returns eax = phys. address of user-accessible DMA block ; Returns eax = user heap space available (bytes)
; Error codes ; Error codes
; eax = -1 : PCI user access blocked, ; eax = -1 : PCI user access blocked,
; eax = -2 : device not registered for uMMIO service
; eax = -3 : user heap initialization failure ; eax = -3 : user heap initialization failure
;*************************************************************************** ;***************************************************************************
pci_mmio_init: pci_mmio_init:
mov [mmio_pci_addr],bx cmp cx, mmio_pci_addr
jz @f
mov eax,-2
ret
@@:
call init_heap ; (if not initialized yet) call init_heap ; (if not initialized yet)
or eax,eax or eax,eax
jz @f jz @f
mov eax, [UserDMAaddr]
ret ret
@@: @@:
mov eax,-3 mov eax,-3
@ -273,14 +460,15 @@ pci_mmio_init:
;*************************************************************************** ;***************************************************************************
; Function ; Function
; pci_mmio_map ; pci_mmio_map
; ;
; Description ; Description
; maps a block of PCI memory to user-accessible linear address ; maps a block of PCI memory to user-accessible linear address
; ;
; WARNING! This VERY EXPERIMENTAL service is for one chosen PCI device only!
; The target device address should be set in kernel var mmio_pci_addr
; ;
; IN: ah = BAR#; or ; IN: ah = BAR#;
; IN: ah = 0xDA for DMA-mapping requests;
; IN: ebx = block size (bytes); ; IN: ebx = block size (bytes);
; IN: ecx = offset in MMIO block (in 4K-pages, to avoid misaligned pages); ; IN: ecx = offset in MMIO block (in 4K-pages, to avoid misaligned pages);
; ;
@ -296,21 +484,17 @@ pci_mmio_init:
;*************************************************************************** ;***************************************************************************
pci_mmio_map: pci_mmio_map:
;cross
mov eax,ebx
mov ebx,ecx
mov ecx,edx
;;;;;;;;;;;;;;;;;;;
and edx,0x0ffff and edx,0x0ffff
cmp ah, 0xDA
jz .dma_map
cmp ah,6 cmp ah,6
jc .bar_0_5 jc .bar_0_5
jz .bar_rom jz .bar_rom
mov eax,-2 mov eax,-2
ret ret
.dma_map:
push ecx
mov ecx,ebx
mov eax,[UserDMAaddr]
jmp .allocate_block
.bar_rom: .bar_rom:
mov ah, 8 ; bar6 = Expansion ROM base address mov ah, 8 ; bar6 = Expansion ROM base address
.bar_0_5: .bar_0_5:
@ -322,7 +506,7 @@ pci_mmio_map:
shl bl, 1 shl bl, 1
shl bl, 1 shl bl, 1
add bl, 0x10 ; now bl = BAR offset in PCI config. space add bl, 0x10 ; now bl = BAR offset in PCI config. space
mov ax, [mmio_pci_addr] mov ax, mmio_pci_addr
mov bh, al ; bh = dddddfff mov bh, al ; bh = dddddfff
mov al, 2 ; al : DW to read mov al, 2 ; al : DW to read
call pci_read_reg call pci_read_reg
@ -339,9 +523,7 @@ pci_mmio_map:
pop ecx ; ecx = block size, bytes (expanded to whole page) pop ecx ; ecx = block size, bytes (expanded to whole page)
mov ebx, ecx ; user_alloc destroys eax, ecx, edx, but saves ebx mov ebx, ecx ; user_alloc destroys eax, ecx, edx, but saves ebx
and eax, 0xFFFFFFF0 and eax, 0xFFFFFFF0
push eax ; store MMIO physical address + keep 2DWords in the stack
.allocate_block:
push eax ; store MMIO physical address + keep the stack 2x4b deep
stdcall user_alloc, ecx stdcall user_alloc, ecx
or eax, eax or eax, eax
jnz mmio_map_over jnz mmio_map_over
@ -360,7 +542,9 @@ mmio_map_over:
pop edx ; edx = MMIO shift (pages) pop edx ; edx = MMIO shift (pages)
shl edx, 12 ; edx = MMIO shift (bytes) shl edx, 12 ; edx = MMIO shift (bytes)
add eax, edx ; eax = uMMIO physical address add eax, edx ; eax = uMMIO physical address
or eax, (PG_SHARED+PG_UW+PG_NOCACHE) or eax, PG_SHARED
or eax, PG_UW
or eax, PG_NOCACHE
mov edi, ebx mov edi, ebx
call commit_pages call commit_pages
mov eax, edi mov eax, edi
@ -368,7 +552,7 @@ mmio_map_over:
;*************************************************************************** ;***************************************************************************
; Function ; Function
; pci_mmio_unmap_page ; pci_mmio_unmap_page
; ;
; Description ; Description
; unmaps the linear space previously tied to a PCI memory block ; unmaps the linear space previously tied to a PCI memory block
@ -382,9 +566,11 @@ mmio_map_over:
;*************************************************************************** ;***************************************************************************
pci_mmio_unmap: pci_mmio_unmap:
stdcall user_free, ebx stdcall user_free, ecx;ebx
ret ret
end if
;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= ;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
uglobal uglobal
align 4 align 4

4
kernel/branches/Kolibri-A/trunk/core/syscall.inc
View File

@ -99,7 +99,7 @@ iglobal
dd 0 dd 0
dd 0 dd 0
dd 0 dd 0
dd sys_pci ; 62-PCI functions dd 0;sys_pci ; 62-PCI functions
dd sys_msg_board ; 63-System message board dd sys_msg_board ; 63-System message board
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@ -170,7 +170,7 @@ iglobal
dd undefined_syscall ; 59-reserved dd undefined_syscall ; 59-reserved
dd sys_IPC ; 60-Inter Process Communication dd sys_IPC ; 60-Inter Process Communication
dd sys_gs ; 61-Direct graphics access dd sys_gs ; 61-Direct graphics access
dd cross_order ; 62-PCI functions dd pci_api;cross_order ; 62-PCI functions
dd cross_order ; 63-System message board dd cross_order ; 63-System message board
dd sys_resize_app_memory ; 64-Resize application memory usage dd sys_resize_app_memory ; 64-Resize application memory usage
dd sys_putimage_palette ; 65-PutImagePalette dd sys_putimage_palette ; 65-PutImagePalette

14
kernel/branches/Kolibri-A/trunk/kernel.asm
View File

@ -4251,13 +4251,13 @@ sys_gs: ; direct screen access
ret ret
align 4 ; PCI functions ;align 4 ; PCI functions
;
sys_pci: ;sys_pci:
;
call pci_api ; call pci_api
mov [esp+36],eax ; mov [esp+36],eax
ret ; ret
align 4 ; system functions align 4 ; system functions