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svn path=/trunk/; revision=2916
This commit is contained in:
David Welch 2002-05-06 22:25:50 +00:00
parent f1694d4913
commit 2503ffd406
1 changed files with 29 additions and 18 deletions
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47
reactos/ntoskrnl/ke/i386/irq.c
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@ -1,6 +1,23 @@
/* $Id: irq.c,v 1.19 2002/05/02 23:45:33 dwelch Exp $
/*
* ReactOS kernel
* Copyright (C) 1998, 1999, 2000, 2001, 2002 ReactOS Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: irq.c,v 1.20 2002/05/06 22:25:50 dwelch Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/ke/i386/irq.c
* PURPOSE: IRQ handling
@ -373,6 +390,13 @@ KiInterruptDispatch (ULONG Vector, PKIRQ_TRAPFRAME Trapframe)
VOID STDCALL
KiInterruptDispatch2 (ULONG Irq, KIRQL old_level)
/*
* FUNCTION: Calls all the interrupt handlers for a given irq.
* ARGUMENTS:
* Irq - The number of the irq to call handlers for.
* old_level - The irql of the processor when the irq took place.
* NOTES: Must be called at DIRQL.
*/
{
PKINTERRUPT isr;
PLIST_ENTRY current;
@ -406,19 +430,6 @@ KiInterruptDispatch (ULONG irq, PKIRQ_TRAPFRAME Trapframe)
*/
{
KIRQL old_level;
static ULONG Irq0Count = 0;
#if 0
KTRAP_FRAME KernelTrapFrame;
KeIRQTrapFrameToTrapFrame(Trapframe, &KernelTrapFrame);
KeGetCurrentThread()->TrapFrame = &KernelTrapFrame;
#endif /* DBG */
if (InterlockedIncrement(&Irq0Count) > 32)
{
__asm__("int $3\n\t");
}
/*
* At this point we have interrupts disabled, nothing has been done to
@ -433,7 +444,6 @@ KiInterruptDispatch (ULONG irq, PKIRQ_TRAPFRAME Trapframe)
PROFILE_LEVEL - irq,
&old_level))
{
InterlockedDecrement(&Irq0Count);
return;
}
@ -453,8 +463,9 @@ KiInterruptDispatch (ULONG irq, PKIRQ_TRAPFRAME Trapframe)
*/
HalEndSystemInterrupt (old_level, 0);
InterlockedDecrement(&Irq0Count);
/*
* Maybe do a reschedule as well.
*/
if (old_level < DISPATCH_LEVEL && irq == 0)
{
PsDispatchThread(THREAD_STATE_RUNNABLE);