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quick fix for active IDE interrupts at boot stage

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git-svn-id: svn://kolibrios.org@4578 a494cfbc-eb01-0410-851d-a64ba20cac60
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CleverMouse
2014-02-20 13:01:13 +00:00
parent 898fe08869
commit 85d31dcef6
2 changed files with 33 additions and 0 deletions
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32
kernel/trunk/blkdev/hd_drv.inc
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@@ -1183,3 +1183,35 @@ IDE_BAR2_val dw ?
IDE_BAR3_val dw ?
endg
;-----------------------------------------------------------------------------
proc clear_pci_ide_interrupts
mov esi, pcidev_list
.loop:
mov esi, [esi+PCIDEV.fd]
cmp esi, pcidev_list
jz .done
cmp [esi+PCIDEV.class], 0x01018F
jnz .loop
mov ah, [esi+PCIDEV.bus]
mov al, 2
mov bh, [esi+PCIDEV.devfn]
mov bl, 0x20
call pci_read_reg
and eax, 0FFFCh
mov edx, eax
add edx, 2
in al, dx
DEBUGF 1,'K : clear_pci_ide_interrupts: port[%x] = %x ',dx,al
out dx, al
in al, dx
DEBUGF 1,'-> %x; ',al
add edx, 8
in al, dx
DEBUGF 1,'port[%x] = %x ',dx,al
out dx, al
in al, dx
DEBUGF 1,'-> %x\n',al
jmp .loop
.done:
ret
endp