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Ignore whitespace Rev 4054 → Rev 4055

/branches/dd/kernel/arch/ia64/src/drivers/it.c
44,25 → 44,44
#include <ddi/device.h>
#include <arch.h>
 
#define IT_SERVICE_CLOCKS 64
#define IT_SERVICE_CLOCKS 64
 
#define FREQ_NUMERATOR_SHIFT 32
#define FREQ_NUMERATOR_MASK 0xffffffff00000000ULL
 
#define FREQ_DENOMINATOR_SHIFT 0
#define FREQ_DENOMINATOR_MASK 0xffffffffULL
 
uint64_t it_delta;
 
static irq_t it_irq;
 
static irq_ownership_t it_claim(void);
static void it_interrupt(irq_t *irq, void *arg, ...);
static irq_ownership_t it_claim(irq_t *);
static void it_interrupt(irq_t *);
 
/** Initialize Interval Timer. */
void it_init(void)
{
cr_itv_t itv;
 
irq_initialize(&it_irq);
it_irq.inr = INTERRUPT_TIMER;
it_irq.devno = device_assign_devno();
it_irq.claim = it_claim;
it_irq.handler = it_interrupt;
irq_register(&it_irq);
 
if (config.cpu_active == 1) {
irq_initialize(&it_irq);
it_irq.inr = INTERRUPT_TIMER;
it_irq.devno = device_assign_devno();
it_irq.claim = it_claim;
it_irq.handler = it_interrupt;
irq_register(&it_irq);
uint64_t base_freq;
base_freq = ((bootinfo->freq_scale) & FREQ_NUMERATOR_MASK) >>
FREQ_NUMERATOR_SHIFT;
base_freq *= bootinfo->sys_freq;
base_freq /= ((bootinfo->freq_scale) & FREQ_DENOMINATOR_MASK) >>
FREQ_DENOMINATOR_SHIFT;
it_delta = base_freq / HZ;
}
/* initialize Interval Timer external interrupt vector */
itv.value = itv_read();
itv.vector = INTERRUPT_TIMER;
85,13 → 104,13
*
* @return Always IRQ_ACCEPT.
*/
irq_ownership_t it_claim(void)
irq_ownership_t it_claim(irq_t *irq)
{
return IRQ_ACCEPT;
}
 
/** Process Interval Timer interrupt. */
void it_interrupt(irq_t *irq, void *arg, ...)
void it_interrupt(irq_t *irq)
{
int64_t c;
int64_t m;