freebsd-dev/sys/powerpc/booke/interrupt.c

139 lines
3.9 KiB
C

/*-
* Copyright (C) 2006 Semihalf, Rafal Jaworowski <raj@semihalf.com>
* Copyright 2002 by Peter Grehan.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. 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.
*
*/
/*
* Interrupts are dispatched to here from locore asm
*/
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/interrupt.h>
#include <sys/kernel.h>
#include <sys/kthread.h>
#include <sys/ktr.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/smp.h>
#include <sys/unistd.h>
#include <sys/vmmeter.h>
#include <machine/cpu.h>
#include <machine/db_machdep.h>
#include <machine/frame.h>
#include <machine/intr_machdep.h>
#include <machine/md_var.h>
#include <machine/pcb.h>
#include <machine/psl.h>
#include <machine/trap.h>
#include "pic_if.h"
extern void decr_intr(struct trapframe *);
void powerpc_decr_interrupt(struct trapframe *);
void powerpc_extr_interrupt(struct trapframe *);
void powerpc_crit_interrupt(struct trapframe *);
void powerpc_mchk_interrupt(struct trapframe *);
static void dump_frame(struct trapframe *framep);
static void
dump_frame(struct trapframe *frame)
{
int i;
printf("\n*** *** STACK FRAME DUMP *** ***\n");
printf(" exc = 0x%x\n", frame->exc);
printf(" srr0 = 0x%08x\n", frame->srr0);
printf(" srr1 = 0x%08x\n", frame->srr1);
printf(" dear = 0x%08x\n", frame->cpu.booke.dear);
printf(" esr = 0x%08x\n", frame->cpu.booke.esr);
printf(" lr = 0x%08x\n", frame->lr);
printf(" cr = 0x%08x\n", frame->cr);
printf(" sp = 0x%08x\n", frame->fixreg[1]);
for (i = 0; i < 32; i++) {
printf(" R%02d = 0x%08x", i, frame->fixreg[i]);
if ((i & 0x3) == 3)
printf("\n");
}
printf("\n");
}
void powerpc_crit_interrupt(struct trapframe *framep)
{
printf("powerpc_crit_interrupt: critical interrupt!\n");
dump_frame(framep);
trap(framep);
}
void powerpc_mchk_interrupt(struct trapframe *framep)
{
printf("powerpc_mchk_interrupt: machine check interrupt!\n");
dump_frame(framep);
trap(framep);
}
/*
* Decrementer interrupt routine
*/
void
powerpc_decr_interrupt(struct trapframe *framep)
{
struct thread *td;
td = PCPU_GET(curthread);
atomic_add_int(&td->td_intr_nesting_level, 1);
decr_intr(framep);
atomic_subtract_int(&td->td_intr_nesting_level, 1);
}
/*
* External input interrupt routine
*/
void
powerpc_extr_interrupt(struct trapframe *framep)
{
struct thread *td;
td = PCPU_GET(curthread);
atomic_add_int(&td->td_intr_nesting_level, 1);
PIC_DISPATCH(pic, framep);
atomic_subtract_int(&td->td_intr_nesting_level, 1);
}