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/*
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 * Copyright (c) 2006 Sergey Bondari
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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 <test.h>
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#include <mm/page.h>
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#include <mm/frame.h>
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#include <mm/slab.h>
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#include <arch/mm/page.h>
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#include <arch/types.h>
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#include <atomic.h>
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#include <debug.h>
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#include <proc/thread.h>
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#include <memstr.h>
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#include <arch.h>
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#define MAX_FRAMES 256
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#define MAX_ORDER 8
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#define THREAD_RUNS 1
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#define THREADS 8
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static atomic_t thread_count;
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static atomic_t thread_fail;
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static bool sh_quiet;
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static void falloc(void * arg)
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{
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    int order, run, allocated, i;
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    uint8_t val = THREAD->tid % THREADS;
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    index_t k;
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    void **frames =  (void **) malloc(MAX_FRAMES * sizeof(void *), FRAME_ATOMIC);
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    if (frames == NULL) {
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        if (!sh_quiet)
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            printf("Thread #%" PRIu64 " (cpu%u): Unable to allocate frames\n", THREAD->tid, CPU->id);
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        atomic_inc(&thread_fail);
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        atomic_dec(&thread_count);
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        return;
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    }
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    thread_detach(THREAD);
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    for (run = 0; run < THREAD_RUNS; run++) {
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        for (order = 0; order <= MAX_ORDER; order++) {
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            if (!sh_quiet)
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                printf("Thread #%" PRIu64 " (cpu%u): Allocating %d frames blocks ... \n", THREAD->tid, CPU->id, 1 << order);
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            allocated = 0;
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            for (i = 0; i < (MAX_FRAMES >> order); i++) {
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                frames[allocated] = frame_alloc(order, FRAME_ATOMIC | FRAME_KA);
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                if (frames[allocated]) {
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                    memsetb(frames[allocated], FRAME_SIZE << order, val);
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                    allocated++;
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                } else
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                    break;
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            }
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            if (!sh_quiet)
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                printf("Thread #%" PRIu64 " (cpu%u): %d blocks allocated.\n", THREAD->tid, CPU->id, allocated);
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            if (!sh_quiet)
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                printf("Thread #%" PRIu64 " (cpu%u): Deallocating ... \n", THREAD->tid, CPU->id);
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            for (i = 0; i < allocated; i++) {
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                for (k = 0; k <= (((index_t) FRAME_SIZE << order) - 1); k++) {
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                    if (((uint8_t *) frames[i])[k] != val) {
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                        if (!sh_quiet)
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                            printf("Thread #%" PRIu64 " (cpu%u): Unexpected data (%c) in block %p offset %#" PRIi "\n", THREAD->tid, CPU->id, ((char *) frames[i])[k], frames[i], k);
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                        atomic_inc(&thread_fail);
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                        goto cleanup;
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                    }
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                }
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                frame_free(KA2PA(frames[i]));
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            }
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            if (!sh_quiet)
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                printf("Thread #%" PRIu64 " (cpu%u): Finished run.\n", THREAD->tid, CPU->id);
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        }
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    }
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cleanup:   
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    free(frames);
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    if (!sh_quiet)
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        printf("Thread #%" PRIu64 " (cpu%u): Exiting\n", THREAD->tid, CPU->id);
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    atomic_dec(&thread_count);
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}
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char * test_falloc2(bool quiet)
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{
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    unsigned int i;
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    sh_quiet = quiet;
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    atomic_set(&thread_count, THREADS);
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    atomic_set(&thread_fail, 0);
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    for (i = 0; i < THREADS; i++) {
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        thread_t * thrd = thread_create(falloc, NULL, TASK, 0, "falloc", false);
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        if (!thrd) {
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            if (!quiet)
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                printf("Could not create thread %u\n", i);
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            break;
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        }
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        thread_ready(thrd);
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    }
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    while (atomic_get(&thread_count) > 0) {
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        if (!quiet)
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            printf("Threads left: %ld\n", atomic_get(&thread_count));
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        thread_sleep(1);
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    }
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    if (atomic_get(&thread_fail) == 0)
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        return NULL;
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    return "Test failed";
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}