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Ignore whitespace Rev 2926 → Rev 2927

/branches/dynload/kernel/test/fpu/sse1.c
0,0 → 1,166
/*
* Copyright (c) 2005 Ondrej Palkovsky
* 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.
*/
 
#if (defined(ia32) || defined(amd64) || defined(ia32xen))
 
#include <print.h>
#include <debug.h>
 
#include <test.h>
#include <atomic.h>
#include <proc/thread.h>
#include <time/delay.h>
 
#include <arch.h>
 
#define THREADS 25
#define DELAY 10000L
#define ATTEMPTS 5
 
static atomic_t threads_ok;
static atomic_t threads_fault;
static waitq_t can_start;
static bool sh_quiet;
 
 
static void testit1(void *data)
{
int i;
int arg __attribute__((aligned(16))) = (int) ((unative_t) data);
int after_arg __attribute__((aligned(16)));
 
thread_detach(THREAD);
waitq_sleep(&can_start);
 
for (i = 0; i < ATTEMPTS; i++) {
asm volatile (
"movlpd %0, %%xmm2\n"
: "=m" (arg)
);
 
delay(DELAY);
asm volatile (
"movlpd %%xmm2, %0\n"
: "=m" (after_arg)
);
if (arg != after_arg) {
if (!sh_quiet)
printf("tid%llu: arg(%d) != %d\n", THREAD->tid, arg, after_arg);
atomic_inc(&threads_fault);
break;
}
}
atomic_inc(&threads_ok);
}
 
static void testit2(void *data)
{
int i;
int arg __attribute__((aligned(16))) = (int) ((unative_t) data);
int after_arg __attribute__((aligned(16)));
thread_detach(THREAD);
waitq_sleep(&can_start);
 
for (i = 0; i < ATTEMPTS; i++) {
asm volatile (
"movlpd %0, %%xmm2\n"
: "=m" (arg)
);
 
scheduler();
asm volatile (
"movlpd %%xmm2, %0\n"
: "=m" (after_arg)
);
if (arg != after_arg) {
if (!sh_quiet)
printf("tid%llu: arg(%d) != %d\n", THREAD->tid, arg, after_arg);
atomic_inc(&threads_fault);
break;
}
}
atomic_inc(&threads_ok);
}
 
 
char * test_sse1(bool quiet)
{
unsigned int i, total = 0;
sh_quiet = quiet;
waitq_initialize(&can_start);
atomic_set(&threads_ok, 0);
atomic_set(&threads_fault, 0);
if (!quiet)
printf("Creating %d threads... ", 2 * THREADS);
 
for (i = 0; i < THREADS; i++) {
thread_t *t;
if (!(t = thread_create(testit1, (void *) ((unative_t) 2 * i), TASK, 0, "testit1", false))) {
if (!quiet)
printf("could not create thread %d\n", 2 * i);
break;
}
thread_ready(t);
total++;
if (!(t = thread_create(testit2, (void *) ((unative_t) 2 * i + 1), TASK, 0, "testit2", false))) {
if (!quiet)
printf("could not create thread %d\n", 2 * i + 1);
break;
}
thread_ready(t);
total++;
}
if (!quiet)
printf("ok\n");
thread_sleep(1);
waitq_wakeup(&can_start, WAKEUP_ALL);
while (atomic_get(&threads_ok) != (long) total) {
if (!quiet)
printf("Threads left: %d\n", total - atomic_get(&threads_ok));
thread_sleep(1);
}
if (atomic_get(&threads_fault) == 0)
return NULL;
return "Test failed";
}
 
#endif