Subversion Repositories HelenOS-historic

Compare Revisions

Ignore whitespace Rev 574 → Rev 575

/kernel/trunk/generic/src/interrupt/interrupt.c
0,0 → 1,59
/*
* Copyright (C) 2005 Ondrej Palkovsky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#include <interrupt.h>
#include <debug.h>
 
static struct {
char *name;
iroutine f;
} ivt[IVT_ITEMS];
 
iroutine exc_register(int n, char *name, iroutine f)
{
ASSERT(n < IVT_ITEMS);
iroutine old;
old = ivt[n].f;
ivt[n].f = f;
ivt[n].name = name;
return old;
}
 
/*
* Called directly from the assembler code.
* CPU is interrupts_disable()'d.
*/
void exc_dispatch(int n, void *stack)
{
ASSERT(n < IVT_ITEMS);
ivt[n].f(n, stack);
}