#include <stdio.h>
#include <assert.h>
#include <asm/atomic.h>
#include <asm/timex.h>

/* Simply define an interface to the gcc-supported ia64 intrinsics */

/* define atomically incremented set */
#define N 32
static atomic_t Alist[N];

/* fetch and add the 'i'th counter */
int fetch_and_add( int i, int n ) {
  assert(i>=0 && i<N);
  return ia64_atomic_add(n,&Alist[i]) - n;
}
  
/* set the 'i'th counter */
void fetch_set( int i, int value ) {
  assert(i>=0 && i<N);
  atomic_set(&Alist[i],value);
}

/* get the 'i'th counter */
int fetch_get( int i ) {
  assert(i>=0 && i<N);
  return atomic_read(&Alist[i]);
}

/* just return the cycle counter */
unsigned long get_cycle_counter() { return get_cycles(); }

#if 0
/* ----------testing */

main() {
  atomic_t i,j;
  cycles_t l,ll;
  int k,kk;
  fetch_set( 2,100 );

  l= get_cycle_counter();
  k= fetch_and_add( 2,30 );
  kk= fetch_get(2);
  ll= get_cycle_counter();
  fprintf(stderr,"%d is now %d   %lu %lu \n", k,kk,ll-l,ll);
}
#endif