KolibriOS/kolibrios
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new SysFn62 call - STABLE now

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git-svn-id: svn://kolibrios.org@1603 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Artem Jerdev (art_zh) 2010-09-05 08:13:41 +00:00
parent 62007342e9
commit d83ca851d8
1 changed files with 23 additions and 21 deletions
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44
kernel/trunk/bus/pci/pci32.inc
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@ -30,7 +30,7 @@ $Revision$
; Description
; entry point for system PCI calls
;***************************************************************************
;mmio_pci_addr equ 0x400 ; set actual PCI address here to activate user-MMIO
;mmio_pci_addr equ 0x400 ; set actual PCI address here to activate user-MMIO
iglobal
align 4
@ -40,12 +40,12 @@ f62call:
dd pci_fn_2
dd pci_service_not_supported ;3
dd pci_read_reg ;4 byte
dd pci_read_reg ;5 word
dd pci_read_reg ;6 dword
dd pci_service_not_supported ;7
dd pci_write_reg ;8 byte
dd pci_write_reg ;9 word
dd pci_write_reg ;10 dword
dd pci_read_reg ;5 word
dd pci_read_reg ;6 dword
dd pci_service_not_supported ;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
@ -64,19 +64,20 @@ pci_api:
mov eax,ebx
mov ebx,ecx
mov ecx,edx
movzx edx, al
;;;;;;;;;;;;;;;;;;;
if defined mmio_pci_addr
cmp eax, 13
jb pci_service_not_supported
cmp al, 13
ja pci_service_not_supported
else
cmp eax, 10
jb pci_service_not_supported
cmp al, 10
ja pci_service_not_supported
end if
call dword [f62call+eax*4]
mov dword [esp+32],eax
ret
call dword [f62call+edx*4]
mov dword [esp+32],eax
ret
;; ============================================
pci_fn_0:
@ -96,6 +97,7 @@ pci_fn_2:
pci_service_not_supported:
or eax,-1
mov dword [esp+32],eax
ret
;***************************************************************************
@ -387,7 +389,7 @@ pci_write_reg_err:
if defined mmio_pci_addr ; must be set above
;***************************************************************************
; Function
; pci_mmio_init
; pci_mmio_init
;
; Description
; IN: bx = device's PCI bus address (bbbbbbbbdddddfff)
@ -398,7 +400,7 @@ if defined mmio_pci_addr ; must be set above
; eax = -3 : user heap initialization failure
;***************************************************************************
pci_mmio_init:
cmp bx, mmio_pci_addr
cmp bx, mmio_pci_addr
jz @f
mov eax,-2
ret
@ -414,7 +416,7 @@ pci_mmio_init:
;***************************************************************************
; Function
; pci_mmio_map
; pci_mmio_map
;
; Description
; maps a block of PCI memory to user-accessible linear address
@ -440,8 +442,8 @@ pci_mmio_init:
pci_mmio_map:
and edx,0x0ffff
cmp ah,6
jc .bar_0_5
jz .bar_rom
jc .bar_0_5
jz .bar_rom
mov eax,-2
ret
.bar_rom:
@ -501,7 +503,7 @@ mmio_map_over:
;***************************************************************************
; Function
; pci_mmio_unmap_page
; pci_mmio_unmap_page
;
; Description
; unmaps the linear space previously tied to a PCI memory block