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mapping1.c [5a6cc679:a35b458] in mainline

File:

r5a6cc679	ra35b458
41	41	{
42	42	TPRINTF("Creating AS area...\n");
43
	43
44	44	void *result = as_area_create(AS_AREA_ANY, size,
45	45	AS_AREA_READ \| AS_AREA_WRITE \| AS_AREA_CACHEABLE, AS_AREA_UNPAGED);
46	46	if (result == AS_MAP_FAILED)
47	47	return NULL;
48
	48
49	49	return result;
50	50	}
…	…
53	53	{
54	54	TPRINTF("Touching (faulting-in) AS area...\n");
55
	55
56	56	char ptr = (char )area;
57
	57
58	58	while (size > 0) {
59	59	*ptr = 0;
…	…
86	86	{
87	87	errno_t rc;
88
	88
89	89	size_t buffer1_len = BUFFER1_PAGES * PAGE_SIZE;
90	90	size_t buffer2_len = BUFFER2_PAGES * PAGE_SIZE;
…	…
94	94	return "Cannot allocate memory";
95	95	}
96
	96
97	97	touch_area(buffer1, buffer1_len);
98	98	touch_area(buffer2, buffer2_len);
99
	99
100	100	/* Now verify that mapping to physical frames exist. */
101	101	if (!VERIFY_MAPPING(buffer1, BUFFER1_PAGES, EOK)) {
…	…
105	105	return "Failed to find mapping (buffer2)";
106	106	}
107
	107
108	108	/* Let's destroy the buffer1 area and access it again. */
109	109	rc = as_area_destroy(buffer1);
…	…
114	114	return "Mapping of destroyed area still exists";
115	115	}
116
	116
117	117	/* clean-up */
118	118	rc = as_area_destroy(buffer2);
…	…
120	120	return "Failed to destroy AS area";
121	121	}
122
	122
123	123	return NULL;
124	124	}

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