gem_bad_address.c 2.13 KB
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/*
 * Copyright © 2009 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 * Authors:
 *    Eric Anholt <eric@anholt.net>
 *    Jesse Barnes <jbarnes@virtuousgeek.org> (based on gem_bad_blit.c)
 *
 */

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#include "igt.h"
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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <inttypes.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/time.h>
#include "drm.h"
#include "intel_bufmgr.h"

static drm_intel_bufmgr *bufmgr;
struct intel_batchbuffer *batch;

#define BAD_GTT_DEST ((512*1024*1024)) /* past end of aperture */

static void
bad_store(void)
{
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	BEGIN_BATCH(4, 0);
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	OUT_BATCH(MI_STORE_DWORD_IMM | MI_MEM_VIRTUAL | 1 << 21);
	OUT_BATCH(0);
	OUT_BATCH(BAD_GTT_DEST);
	OUT_BATCH(0xdeadbeef);
	ADVANCE_BATCH();

	intel_batchbuffer_flush(batch);
}

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igt_simple_main
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{
	int fd;

	fd = drm_open_any();

	bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
	drm_intel_bufmgr_gem_enable_reuse(bufmgr);
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	batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
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	bad_store();

	intel_batchbuffer_free(batch);
	drm_intel_bufmgr_destroy(bufmgr);

	close(fd);
}