/*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2004 Mips Technologies, Inc
* Copyright (C) 2008 Kevin D. Kissell
*/
#include <linux/clockchips.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/smp.h>
#include <linux/cpumask.h>
#include <linux/interrupt.h>
#include <linux/kernel_stat.h>
#include <linux/module.h>
#include <asm/cpu.h>
#include <asm/processor.h>
#include <asm/atomic.h>
#include <asm/system.h>
#include <asm/hardirq.h>
#include <asm/hazards.h>
#include <asm/irq.h>
#include <asm/mmu_context.h>
#include <asm/mipsregs.h>
#include <asm/cacheflush.h>
#include <asm/time.h>
#include <asm/addrspace.h>
#include <asm/smtc.h>
#include <asm/smtc_proc.h>
/*
* SMTC Kernel needs to manipulate low-level CPU interrupt mask
* in do_IRQ. These are passed in setup_irq_smtc() and stored
* in this table.
*/
unsigned long irq_hwmask[NR_IRQS];
#define LOCK_MT_PRA() \
local_irq_save(flags); \
mtflags = dmt()
#define UNLOCK_MT_PRA() \
emt(mtflags); \
local_irq_restore(flags)
#define LOCK_CORE_PRA() \
local_irq_save(flags); \
mtflags = dvpe()
#define UNLOCK_CORE_PRA() \
evpe(mtflags); \
local_irq_restore(flags)
/*
* Data structures purely associated with SMTC parallelism
*/
/*
* Table for tracking ASIDs whose lifetime is prolonged.
*/
asiduse smtc_live_asid[MAX_SMTC_TLBS][MAX_SMTC_ASIDS];
/*
* Number of InterProcessor Interrupt (IPI) message buffers to allocate
*/
#define IPIBUF_PER_CPU 4
struct smtc_ipi_q IPIQ[NR_CPUS];
static struct smtc_ipi_q freeIPIq;
/* Forward declarations */
void ipi_decode(struct smtc_ipi *
