0,0 → 1,158 |
/* |
* 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. |
*/ |
|
#include <print.h> |
#include <debug.h> |
#include <panic.h> |
|
#include <test.h> |
#include <atomic.h> |
#include <proc/thread.h> |
#include <time/delay.h> |
|
#include <arch.h> |
|
#ifdef CONFIG_BENCH |
#include <arch/cycle.h> |
#endif |
|
#if (defined(ia32) || defined(amd64) || defined(ia32xen)) |
|
#define THREADS 50 |
#define DELAY 10000L |
#define ATTEMPTS 5 |
|
static atomic_t threads_ok; |
static waitq_t can_start; |
|
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" |
:"=m"(arg) |
); |
|
delay(DELAY); |
__asm__ volatile ( |
"movlpd %%xmm2, %0" |
:"=m"(after_arg) |
); |
|
if(arg != after_arg) |
panic("tid%d: arg(%d) != %d\n", |
THREAD->tid, arg, after_arg); |
} |
|
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" |
:"=m"(arg) |
); |
|
scheduler(); |
__asm__ volatile ( |
"movlpd %%xmm2, %0" |
:"=m"(after_arg) |
); |
|
if(arg != after_arg) |
panic("tid%d: arg(%d) != %d\n", |
THREAD->tid, arg, after_arg); |
} |
|
atomic_inc(&threads_ok); |
} |
|
|
void test_sse1(void) |
{ |
#ifdef CONFIG_BENCH |
uint64_t t0 = get_cycle(); |
#endif |
thread_t *t; |
int i; |
|
waitq_initialize(&can_start); |
|
printf("SSE test #1\n"); |
printf("Creating %d threads... ", THREADS); |
|
for (i=0; i<THREADS/2; i++) { |
if (!(t = thread_create(testit1, (void *)((unative_t)i*2), TASK, 0, "testit1"))) |
panic("could not create thread\n"); |
thread_ready(t); |
if (!(t = thread_create(testit2, (void *)((unative_t)i*2+1), TASK, 0, "testit2"))) |
panic("could not create thread\n"); |
thread_ready(t); |
} |
|
printf("ok\n"); |
|
thread_sleep(1); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
|
while (atomic_get(&threads_ok) != THREADS) |
; |
|
printf("Test passed.\n"); |
#ifdef CONFIG_BENCH |
uint64_t dt = get_cycle() - t0; |
printf("Time: %.*d cycles\n", sizeof(dt) * 2, dt); |
#endif |
} |
|
#else |
|
void test_sse1(void) |
{ |
printf("This test is available only on SSE enabled platforms."); |
} |
|
#endif |