Subversion Repositories HelenOS

/*
 * 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 <debug.h>

#define MAX_FRAMES 2048
#define MAX_ORDER 8
#define TEST_RUNS 4

void test(void) {
    __address frames[MAX_FRAMES];
    int results[MAX_ORDER+1];
    
    int i, order, run;
    int allocated;
    int status;

    ASSERT(TEST_RUNS > 1);

    for (run=0;run<=TEST_RUNS;run++) {
        for (order=0;order<=MAX_ORDER;order++) {
            printf("Allocating %d frames blocks ... ", 1<<order);
            allocated = 0;
            for (i=0;i<MAX_FRAMES>>order;i++) {
                frames[allocated] = frame_alloc(FRAME_NON_BLOCKING, order, &status);
                
                if (frames[allocated] % (FRAME_SIZE << order) != 0) {
                    panic("Test failed. Block at address %X (size %dK) is not aligned\n", frames[allocated], (FRAME_SIZE << order) >> 10);
                }
                
                if (status == 0) {
                    allocated++;
                } else {
                    printf("done. ");
                    break;
                }
            }
        
            printf("%d blocks alocated.\n", allocated);
        
            if (run) {
                if (results[order] != allocated) {
                    panic("Test failed. Frame leak possible.\n");
                }
            } else results[order] = allocated;
            
            printf("Deallocating ... ");
            for (i=0;i<allocated;i++) {
                frame_free(frames[i]);
            }
            printf("done.\n");
        }
    }


    
    printf("Test passed\n");
}