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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /trunk/kernel/arch/sparc64/src/drivers/tick.c @ 1880

  → /trunk/kernel/arch/sparc64/src/drivers/tick.c @ 1881

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 1880 → Rev 1881

/trunk/kernel/arch/sparc64/src/drivers/tick.c
36,10 → 36,15
#include <arch/interrupt.h>
#include <arch/asm.h>
#include <arch/register.h>
#include <typedefs.h>
#include <arch/cpu.h>
#include <arch/boot/boot.h>
#include <time/clock.h>
#include <arch.h>
#include <debug.h>
#include <time/clock.h>
#include <typedefs.h>
#define TICK_RESTART_TIME 50 /* Worst case estimate. */
/** Initialize tick interrupt. */
void tick_init(void)
{
47,7 → 52,7
interrupt_register(14, "tick_int", tick_interrupt);
compare.int_dis = false;
compare.tick_cmpr = TICK_DELTA;
compare.tick_cmpr = bootinfo.processor.clock_frequency/HZ;
tick_compare_write(compare.value);
tick_write(0);
}
60,6 → 65,7
void tick_interrupt(int n, istate_t *istate)
{
softint_reg_t softint, clear;
uint64_t next, compare, start, stop;
softint.value = softint_read();
83,7 → 89,15
/*
* Restart counter.
*/
tick_write(0);
compare = CPU->arch.clock_frequency/HZ;
start = tick_read();
next = start - compare;
while (next >= compare - TICK_RESTART_TIME) {
next -= compare;
CPU->missed_clock_ticks++;
}
stop = tick_read();
tick_write(next + (stop - start));
clock();
}