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/*
 * Copyright (C) 2006 Sergey Bondari
 * 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 <test.h>
#include <mm/page.h>
#include <mm/frame.h>
#include <arch/mm/page.h>
#include <arch/types.h>
#include <arch/atomic.h>
#include <debug.h>
#include <proc/thread.h>
#include <memstr.h>

#define MAX_FRAMES 128
#define MAX_ORDER 2

#define THREAD_RUNS 1
#define THREADS 6

static void thread(void * arg);
static void failed(void);

static atomic_t thread_count;

void thread(void * arg) {
    int status, order, run, allocated,i;
    
    __u8 val = *((__u8 *) arg);
    index_t k;
    
    __address frames[MAX_FRAMES];

    for (run=0;run<THREAD_RUNS;run++) {
    
        for (order=0;order<=MAX_ORDER;order++) {
            printf("Thread #%d: Allocating %d frames blocks ... \n",val, 1<<order);
            allocated = 0;
            for (i=0;i<MAX_FRAMES>>order;i++) {
                frames[allocated] = frame_alloc(FRAME_NON_BLOCKING | FRAME_KA,order, &status);
                if (status == 0) {
                    memsetb(frames[allocated], (1 << order) * FRAME_SIZE, val);
                    allocated++;
                } else {
                    break;
                }
            }
        
            printf("Thread #%d: %d blocks alocated.\n",val, allocated);

            printf("Thread #%d: Deallocating ... \n", val);
            for (i=0;i<allocated;i++) {
                for (k=0;k<=((FRAME_SIZE << order) - 1);k++) {
                    if ( ((char *) frames[i])[k] != val ) {
                        printf("Thread #%d: Unexpected data in block %P offset %X\n",val, frames[i], k);
                        failed();
                    }
                
                }
            
                frame_free(frames[i]);
            }
            printf("Thread #%d: Finished run.\n", val);
        }
    }
    
    
    atomic_dec(&thread_count);

}


void failed(void) {
    panic("Test failed.\n");
}


void test(void) {
    int i;

    atomic_set(&thread_count, THREADS);
        
    for (i=1;i<=THREADS;i++) {
        thread_t * thrd;
        thrd = thread_create(thread, &i, TASK, 0);
        if (thrd) thread_ready(thrd); else failed();
    }
    
    while (thread_count.count);

    printf("Test passed\n");
}