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295 palkovsky 1 
/*
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 * Copyright (C) 2005 Ondrej Palkovsky
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include <print.h>
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#include <debug.h>
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#include <panic.h>
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#include <test.h>
1104 jermar 34 
#include <atomic.h>
295 palkovsky 35 
#include <proc/thread.h>
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#include <time/delay.h>
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#include <arch.h>
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#define THREADS     50
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#define DELAY       10000L
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#define ATTEMPTS        5
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483 jermar 44 
static atomic_t threads_ok;
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static waitq_t can_start;
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static void testit1(void *data)
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{
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    int i;
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    int arg __attribute__((aligned(16))) = (int)((__native) data);
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    int after_arg __attribute__((aligned(16)));
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    waitq_sleep(&can_start);
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    for (i = 0; i<ATTEMPTS; i++) {
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        __asm__ volatile (
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            "movlpd %0, %%xmm2"
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            :"=m"(arg)
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            );
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        delay(DELAY);
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        __asm__ volatile (
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            "movlpd %%xmm2, %0"
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            :"=m"(after_arg)
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            );
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        if(arg != after_arg)
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            panic("tid%d: arg(%d) != %d\n",
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                  THREAD->tid, arg, after_arg);
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    }
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    atomic_inc(&threads_ok);
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}
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296 palkovsky 75 
static void testit2(void *data)
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{
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    int i;
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    int arg __attribute__((aligned(16))) = (int)((__native) data);
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    int after_arg __attribute__((aligned(16)));
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    waitq_sleep(&can_start);
295 palkovsky 82 
 
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    for (i = 0; i<ATTEMPTS; i++) {
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        __asm__ volatile (
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            "movlpd %0, %%xmm2"
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            :"=m"(arg)
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            );
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        scheduler();
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        __asm__ volatile (
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            "movlpd %%xmm2, %0"
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            :"=m"(after_arg)
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            );
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        if(arg != after_arg)
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            panic("tid%d: arg(%d) != %d\n",
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                  THREAD->tid, arg, after_arg);
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    }
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    atomic_inc(&threads_ok);
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}
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295 palkovsky 104 
void test(void)
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{
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    thread_t *t;
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    int i;
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    waitq_initialize(&can_start);
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    printf("SSE test #1\n");
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    printf("Creating %d threads... ", THREADS);
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    for (i=0; i<THREADS/2; i++) {  
1062 jermar 115 
        if (!(t = thread_create(testit1, (void *)((__native)i*2), TASK, 0, "testit1")))
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            panic("could not create thread\n");
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        thread_ready(t);
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        if (!(t = thread_create(testit2, (void *)((__native)i*2+1), TASK, 0, "testit2")))
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            panic("could not create thread\n");
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        thread_ready(t);
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    }
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    printf("ok\n");
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    thread_sleep(1);
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    waitq_wakeup(&can_start, WAKEUP_ALL);
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    while (atomic_get(&threads_ok) != THREADS)
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        ;
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    printf("Test passed.\n");
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}