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Ignore whitespace Rev 2291 → Rev 2292

/branches/rcu/kernel/arch/ppc32/src/mm/as.c
54,12 → 54,8
void as_install_arch(as_t *as)
{
asid_t asid;
ipl_t ipl;
uint32_t sr;
 
ipl = interrupts_disable();
spinlock_lock(&as->lock);
asid = as->asid;
/* Lower 2 GB, user and supervisor access */
79,9 → 75,6
: "r" ((0x4000 << 16) + (asid << 4) + sr), "r" (sr << 28)
);
}
spinlock_unlock(&as->lock);
interrupts_restore(ipl);
}
 
/** @}
/branches/rcu/kernel/arch/ppc32/src/interrupt.c
1,110 → 1,100
/*
* Copyright (c) 2006 Martin Decky
* 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.
*/
 
/** @addtogroup ppc32interrupt
* @{
*/
/** @file
*/
 
#include <ddi/irq.h>
#include <interrupt.h>
#include <arch/interrupt.h>
#include <arch/types.h>
#include <arch.h>
#include <time/clock.h>
#include <ipc/sysipc.h>
#include <arch/drivers/pic.h>
#include <arch/mm/tlb.h>
#include <print.h>
 
 
void start_decrementer(void)
{
asm volatile (
"mtdec %0\n"
:
: "r" (1000)
);
}
 
 
/** Handler of external interrupts */
static void exception_external(int n, istate_t *istate)
{
int inum;
while ((inum = pic_get_pending()) != -1) {
bool ack = false;
irq_t *irq = irq_dispatch_and_lock(inum);
if (irq) {
/*
* The IRQ handler was found.
*/
if (irq->preack) {
/* Acknowledge the interrupt before processing */
pic_ack_interrupt(inum);
ack = true;
}
irq->handler(irq, irq->arg);
spinlock_unlock(&irq->lock);
} else {
/*
* Spurious interrupt.
*/
#ifdef CONFIG_DEBUG
printf("cpu%d: spurious interrupt (inum=%d)\n", CPU->id, inum);
#endif
}
if (!ack)
pic_ack_interrupt(inum);
}
}
 
 
static void exception_decrementer(int n, istate_t *istate)
{
clock();
start_decrementer();
}
 
 
/* Initialize basic tables for exception dispatching */
void interrupt_init(void)
{
exc_register(VECTOR_DATA_STORAGE, "data_storage", pht_refill);
exc_register(VECTOR_INSTRUCTION_STORAGE, "instruction_storage", pht_refill);
exc_register(VECTOR_EXTERNAL, "external", exception_external);
exc_register(VECTOR_DECREMENTER, "timer", exception_decrementer);
}
 
/** @}
*/
/*
* Copyright (c) 2006 Martin Decky
* 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.
*/
 
/** @addtogroup ppc32interrupt
* @{
*/
/** @file
*/
 
#include <ddi/irq.h>
#include <interrupt.h>
#include <arch/interrupt.h>
#include <arch/types.h>
#include <arch.h>
#include <time/clock.h>
#include <ipc/sysipc.h>
#include <arch/drivers/pic.h>
#include <arch/mm/tlb.h>
#include <print.h>
 
 
void start_decrementer(void)
{
asm volatile (
"mtdec %0\n"
:
: "r" (1000)
);
}
 
 
/** Handler of external interrupts */
static void exception_external(int n, istate_t *istate)
{
int inum;
while ((inum = pic_get_pending()) != -1) {
irq_t *irq = irq_dispatch_and_lock(inum);
if (irq) {
/*
* The IRQ handler was found.
*/
irq->handler(irq, irq->arg);
spinlock_unlock(&irq->lock);
} else {
/*
* Spurious interrupt.
*/
#ifdef CONFIG_DEBUG
printf("cpu%d: spurious interrupt (inum=%d)\n", CPU->id, inum);
#endif
}
pic_ack_interrupt(inum);
}
}
 
 
static void exception_decrementer(int n, istate_t *istate)
{
clock();
start_decrementer();
}
 
 
/* Initialize basic tables for exception dispatching */
void interrupt_init(void)
{
exc_register(VECTOR_DATA_STORAGE, "data_storage", pht_refill);
exc_register(VECTOR_INSTRUCTION_STORAGE, "instruction_storage", pht_refill);
exc_register(VECTOR_EXTERNAL, "external", exception_external);
exc_register(VECTOR_DECREMENTER, "timer", exception_decrementer);
}
 
/** @}
*/