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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 <mm/slab.h>

#include <arch/mm/page.h>

#include <arch/types.h>

#include <debug.h>

#include <align.h>

#define MAX_FRAMES 1024

#define MAX_ORDER 8

#define TEST_RUNS 2

char * test_falloc1(bool quiet) {

	uintptr_t * frames = (uintptr_t *) malloc(MAX_FRAMES * sizeof(uintptr_t), 0);

	int results[MAX_ORDER + 1];

	int i, order, run;

	int allocated;

	if (TEST_RUNS < 2)

		return "Test is compiled with TEST_RUNS < 2";

	if (frames == NULL)

		return "Unable to allocate frames";

	for (run = 0; run < TEST_RUNS; run++) {

		for (order = 0; order <= MAX_ORDER; order++) {

			if (!quiet)

				printf("Allocating %d frames blocks ... ", 1 << order);

			allocated = 0;

			for (i = 0; i < MAX_FRAMES >> order; i++) {

				frames[allocated] = (uintptr_t) frame_alloc(order, FRAME_ATOMIC | FRAME_KA);

				if (ALIGN_UP(frames[allocated], FRAME_SIZE << order) != frames[allocated]) {

					if (!quiet)

						printf("Block at address %p (size %dK) is not aligned\n", frames[allocated], (FRAME_SIZE << order) >> 10);

					return "Test failed";

				}

				if (frames[allocated])

					allocated++;

				else {

					if (!quiet)

						printf("done. ");

					break;

				}

			}

			if (!quiet)

				printf("%d blocks allocated.\n", allocated);

			if (run) {

				if (results[order] != allocated)

					return "Possible frame leak";

			} else

				results[order] = allocated;

			if (!quiet)

				printf("Deallocating ... ");

			for (i = 0; i < allocated; i++)

				frame_free(KA2PA(frames[i]));

			if (!quiet)

				printf("done.\n");

		}

	}

	free(frames);

	return NULL;

}