[J-u-boot.git] / lib / fdtdec_test.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Some very basic tests for fdtdec, accessed through test_fdtdec command.
 * They are easiest to use with sandbox.
 *
 * Copyright (c) 2011 The Chromium OS Authors.
 */

#include <common.h>
#include <fdtdec.h>
#include <linux/libfdt.h>
#include <malloc.h>
#include <os.h>

/* The size of our test fdt blob */
#define FDT_SIZE	(16 * 1024)

#define CHECK(op) ({							\
		int err = op;						\
		if (err < 0) {						\
			printf("%s: %s: %s\n", __func__, #op,		\
			       fdt_strerror(err));			\
			return err;					\
		}							\
									\
		err;							\
	})

#define CHECKVAL(op, expected) ({					\
		int err = op;						\
		if (err != expected) {					\
			printf("%s: %s: expected %d, but returned %d\n",\
			       __func__, #op, expected, err);		\
			return err;					\
		}							\
									\
		err;							\
	})

#define CHECKOK(op)	CHECKVAL(op, 0)

/* maximum number of nodes / aliases to generate */
#define MAX_NODES	20

/*
 * Make a test fdt
 *
 * @param fdt		Device tree pointer
 * @param size		Size of device tree blob
 * @param aliases	Specifies alias assignments. Format is a list of items
 *			separated by space. Items are #a where
 *				# is the alias number
 *				a is the node to point to
 * @param nodes		Specifies nodes to generate (a=0, b=1), upper case
 *			means to create a disabled node
 */
static int make_fdt(void *fdt, int size, const char *aliases,
		    const char *nodes)
{
	char name[20], value[20];
	const char *s;
#if defined(DEBUG) && defined(CONFIG_SANDBOX)
	int fd;
#endif

	CHECK(fdt_create(fdt, size));
	CHECK(fdt_finish_reservemap(fdt));
	CHECK(fdt_begin_node(fdt, ""));

	CHECK(fdt_begin_node(fdt, "aliases"));
	for (s = aliases; *s;) {
		sprintf(name, "i2c%c", *s);
		sprintf(value, "/i2c%d@0", s[1] - 'a');
		CHECK(fdt_property_string(fdt, name, value));
		s += 2 + (s[2] != '\0');
	}
	CHECK(fdt_end_node(fdt));

	for (s = nodes; *s; s++) {
		sprintf(value, "i2c%d@0", (*s & 0xdf) - 'A');
		CHECK(fdt_begin_node(fdt, value));
		CHECK(fdt_property_string(fdt, "compatible",
			fdtdec_get_compatible(COMPAT_UNKNOWN)));
		if (*s <= 'Z')
			CHECK(fdt_property_string(fdt, "status", "disabled"));
		CHECK(fdt_end_node(fdt));
	}

	CHECK(fdt_end_node(fdt));
	CHECK(fdt_finish(fdt));
	CHECK(fdt_pack(fdt));
#if defined(DEBUG) && defined(CONFIG_SANDBOX)
	fd = os_open("/tmp/fdtdec-text.dtb", OS_O_CREAT | OS_O_WRONLY);
	if (fd == -1) {
		printf("Could not open .dtb file to write\n");
		return -1;
	}
	os_write(fd, fdt, size);
	os_close(fd);
#endif
	return 0;
}

static int run_test(const char *aliases, const char *nodes, const char *expect)
{
	int list[MAX_NODES];
	const char *s;
	void *blob;
	int i;

	blob = malloc(FDT_SIZE);
	if (!blob) {
		printf("%s: out of memory\n", __func__);
		return 1;
	}

	printf("aliases=%s, nodes=%s, expect=%s: ", aliases, nodes, expect);
	CHECKVAL(make_fdt(blob, FDT_SIZE, aliases, nodes), 0);
	CHECKVAL(fdtdec_find_aliases_for_id(blob, "i2c",
			COMPAT_UNKNOWN,
			list, ARRAY_SIZE(list)), (int)strlen(expect));

	/* Check we got the right ones */
	for (i = 0, s = expect; *s; s++, i++) {
		int want = *s;
		const char *name;
		int got = ' ';

		name = list[i] ? fdt_get_name(blob, list[i], NULL) : NULL;
		if (name)
			got = name[3] + 'a' - '0';

		if (got != want) {
			printf("Position %d: Expected '%c', got '%c' ('%s')\n",
			       i, want, got, name);
			return 1;
		}
	}

	printf("pass\n");
	free(blob);
	return 0;
}

static int make_fdt_carveout_device(void *fdt, uint32_t na, uint32_t ns)
{
	const char *basename = "/display";
	struct fdt_memory carveout = {
#ifdef CONFIG_PHYS_64BIT
		.start = 0x180000000,
		.end = 0x18fffffff,
#else
		.start = 0x80000000,
		.end = 0x8fffffff,
#endif
	};
	fdt32_t cells[4], *ptr = cells;
	uint32_t upper, lower;
	fdt_size_t size;
	char name[32];
	int offset;

	/* store one or two address cells */
	upper = upper_32_bits(carveout.start);
	lower = lower_32_bits(carveout.start);

	if (na > 1 && upper > 0)
		snprintf(name, sizeof(name), "%s@%x,%x", basename, upper,
			 lower);
	else
		snprintf(name, sizeof(name), "%s@%x", basename, lower);

	if (na > 1)
		*ptr++ = cpu_to_fdt32(upper);

	*ptr++ = cpu_to_fdt32(lower);

	/* store one or two size cells */
	size = carveout.end - carveout.start + 1;
	upper = upper_32_bits(size);
	lower = lower_32_bits(size);

	if (ns > 1)
		*ptr++ = cpu_to_fdt32(upper);

	*ptr++ = cpu_to_fdt32(lower);

	offset = CHECK(fdt_add_subnode(fdt, 0, name + 1));
	CHECK(fdt_setprop(fdt, offset, "reg", cells, (na + ns) * sizeof(*cells)));

	return fdtdec_set_carveout(fdt, name, "memory-region", 0,
				   "framebuffer", &carveout);
}

static int check_fdt_carveout(void *fdt, uint32_t address_cells,
			      uint32_t size_cells)
{
#ifdef CONFIG_PHYS_64BIT
	const char *name = "/display@1,80000000";
	const struct fdt_memory expected = {
		.start = 0x180000000,
		.end = 0x18fffffff,
	};
#else
	const char *name = "/display@80000000";
	const struct fdt_memory expected = {
		.start = 0x80000000,
		.end = 0x8fffffff,
	};
#endif
	struct fdt_memory carveout;

	printf("carveout: %pap-%pap na=%u ns=%u: ", &expected.start,
	       &expected.end, address_cells, size_cells);

	CHECK(fdtdec_get_carveout(fdt, name, "memory-region", 0, &carveout));

	if ((carveout.start != expected.start) ||
	    (carveout.end != expected.end)) {
		printf("carveout: %pap-%pap, expected %pap-%pap\n",
		       &carveout.start, &carveout.end,
		       &expected.start, &expected.end);
		return 1;
	}

	printf("pass\n");
	return 0;
}

static int make_fdt_carveout(void *fdt, int size, uint32_t address_cells,
			     uint32_t size_cells)
{
	fdt32_t na = cpu_to_fdt32(address_cells);
	fdt32_t ns = cpu_to_fdt32(size_cells);
#if defined(DEBUG) && defined(CONFIG_SANDBOX)
	char filename[512];
	int fd;
#endif
	int err;

	CHECK(fdt_create(fdt, size));
	CHECK(fdt_finish_reservemap(fdt));
	CHECK(fdt_begin_node(fdt, ""));
	CHECK(fdt_property(fdt, "#address-cells", &na, sizeof(na)));
	CHECK(fdt_property(fdt, "#size-cells", &ns, sizeof(ns)));
	CHECK(fdt_end_node(fdt));
	CHECK(fdt_finish(fdt));
	CHECK(fdt_pack(fdt));

	CHECK(fdt_open_into(fdt, fdt, FDT_SIZE));

	err = make_fdt_carveout_device(fdt, address_cells, size_cells);

#if defined(DEBUG) && defined(CONFIG_SANDBOX)
	snprintf(filename, sizeof(filename), "/tmp/fdtdec-carveout-%u-%u.dtb",
		 address_cells, size_cells);

	fd = os_open(filename, OS_O_CREAT | OS_O_WRONLY);
	if (fd < 0) {
		printf("could not open .dtb file to write\n");
		goto out;
	}

	os_write(fd, fdt, size);
	os_close(fd);

out:
#endif
	return err;
}

static int check_carveout(void)
{
	void *fdt;

	fdt = malloc(FDT_SIZE);
	if (!fdt) {
		printf("%s: out of memory\n", __func__);
		return 1;
	}

#ifndef CONFIG_PHYS_64BIT
	CHECKVAL(make_fdt_carveout(fdt, FDT_SIZE, 1, 1), 0);
	CHECKOK(check_fdt_carveout(fdt, 1, 1));
	CHECKVAL(make_fdt_carveout(fdt, FDT_SIZE, 1, 2), 0);
	CHECKOK(check_fdt_carveout(fdt, 1, 2));
#else
	CHECKVAL(make_fdt_carveout(fdt, FDT_SIZE, 1, 1), -FDT_ERR_BADVALUE);
	CHECKVAL(make_fdt_carveout(fdt, FDT_SIZE, 1, 2), -FDT_ERR_BADVALUE);
#endif
	CHECKVAL(make_fdt_carveout(fdt, FDT_SIZE, 2, 1), 0);
	CHECKOK(check_fdt_carveout(fdt, 2, 1));
	CHECKVAL(make_fdt_carveout(fdt, FDT_SIZE, 2, 2), 0);
	CHECKOK(check_fdt_carveout(fdt, 2, 2));

	free(fdt);
	return 0;
}

static int do_test_fdtdec(cmd_tbl_t *cmdtp, int flag, int argc,
			  char * const argv[])
{
	/* basic tests */
	CHECKOK(run_test("", "", ""));
	CHECKOK(run_test("1e 3d", "", ""));

	/*
	 * 'a' represents 0, 'b' represents 1, etc.
	 * The first character is the alias number, the second is the node
	 * number. So the params mean:
	 * 0a 1b	: point alias 0 to node 0 (a), alias 1 to node 1(b)
	 * ab		: to create nodes 0 and 1 (a and b)
	 * ab		: we expect the function to return two nodes, in
	 *		  the order 0, 1
	 */
	CHECKOK(run_test("0a 1b", "ab", "ab"));

	CHECKOK(run_test("0a 1c", "ab", "ab"));
	CHECKOK(run_test("1c", "ab", "ab"));
	CHECKOK(run_test("1b", "ab", "ab"));
	CHECKOK(run_test("0b", "ab", "ba"));
	CHECKOK(run_test("0b 2d", "dbc", "bcd"));
	CHECKOK(run_test("0d 3a 1c 2b", "dbac", "dcba"));

	/* things with holes */
	CHECKOK(run_test("1b 3d", "dbc", "cb d"));
	CHECKOK(run_test("1e 3d", "dbc", "bc d"));

	/* no aliases */
	CHECKOK(run_test("", "dbac", "dbac"));

	/* disabled nodes */
	CHECKOK(run_test("0d 3a 1c 2b", "dBac", "dc a"));
	CHECKOK(run_test("0b 2d", "DBc", "c"));
	CHECKOK(run_test("0b 4d 2c", "DBc", "  c"));

	/* conflicting aliases - first one gets it */
	CHECKOK(run_test("2a 1a 0a", "a", "  a"));
	CHECKOK(run_test("0a 1a 2a", "a", "a"));

	CHECKOK(check_carveout());

	printf("Test passed\n");
	return 0;
}

U_BOOT_CMD(
	test_fdtdec, 3, 1, do_test_fdtdec,
	"test_fdtdec",
	"Run tests for fdtdec library");
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
dc254f38 SG	2	/*
	3	* Some very basic tests for fdtdec, accessed through test_fdtdec command.
	4	* They are easiest to use with sandbox.
	5	*
	6	* Copyright (c) 2011 The Chromium OS Authors.
dc254f38 SG	7	*/
	8
	9	#include <common.h>
	10	#include <fdtdec.h>
b08c8c48	11	#include <linux/libfdt.h>
dc254f38 SG	12	#include <malloc.h>
	13	#include <os.h>
	14
	15	/* The size of our test fdt blob */
	16	#define FDT_SIZE (16 * 1024)
	17
a95460a4 TR	18	#define CHECK(op) ({ \
	19	int err = op; \
	20	if (err < 0) { \
	21	printf("%s: %s: %s\n", __func__, #op, \
	22	fdt_strerror(err)); \
	23	return err; \
	24	} \
	25	\
	26	err; \
	27	})
	28
	29	#define CHECKVAL(op, expected) ({ \
	30	int err = op; \
	31	if (err != expected) { \
	32	printf("%s: %s: expected %d, but returned %d\n",\
	33	__func__, #op, expected, err); \
	34	return err; \
	35	} \
	36	\
	37	err; \
	38	})
dc254f38	39
dc254f38 SG	40	#define CHECKOK(op) CHECKVAL(op, 0)
	41
	42	/* maximum number of nodes / aliases to generate */
	43	#define MAX_NODES 20
	44
	45	/*
	46	* Make a test fdt
	47	*
	48	* @param fdt Device tree pointer
	49	* @param size Size of device tree blob
	50	* @param aliases Specifies alias assignments. Format is a list of items
	51	* separated by space. Items are #a where
	52	* # is the alias number
	53	* a is the node to point to
	54	* @param nodes Specifies nodes to generate (a=0, b=1), upper case
	55	* means to create a disabled node
	56	*/
	57	static int make_fdt(void fdt, int size, const char aliases,
	58	const char *nodes)
	59	{
	60	char name[20], value[20];
	61	const char *s;
3db600c3	62	#if defined(DEBUG) && defined(CONFIG_SANDBOX)
dc254f38	63	int fd;
3db600c3	64	#endif
dc254f38 SG	65
	66	CHECK(fdt_create(fdt, size));
	67	CHECK(fdt_finish_reservemap(fdt));
	68	CHECK(fdt_begin_node(fdt, ""));
	69
	70	CHECK(fdt_begin_node(fdt, "aliases"));
	71	for (s = aliases; *s;) {
	72	sprintf(name, "i2c%c", *s);
	73	sprintf(value, "/i2c%d@0", s[1] - 'a');
	74	CHECK(fdt_property_string(fdt, name, value));
	75	s += 2 + (s[2] != '\0');
	76	}
	77	CHECK(fdt_end_node(fdt));
	78
	79	for (s = nodes; *s; s++) {
	80	sprintf(value, "i2c%d@0", (*s & 0xdf) - 'A');
	81	CHECK(fdt_begin_node(fdt, value));
	82	CHECK(fdt_property_string(fdt, "compatible",
	83	fdtdec_get_compatible(COMPAT_UNKNOWN)));
	84	if (*s <= 'Z')
	85	CHECK(fdt_property_string(fdt, "status", "disabled"));
	86	CHECK(fdt_end_node(fdt));
	87	}
	88
	89	CHECK(fdt_end_node(fdt));
	90	CHECK(fdt_finish(fdt));
	91	CHECK(fdt_pack(fdt));
	92	#if defined(DEBUG) && defined(CONFIG_SANDBOX)
	93	fd = os_open("/tmp/fdtdec-text.dtb", OS_O_CREAT \| OS_O_WRONLY);
	94	if (fd == -1) {
	95	printf("Could not open .dtb file to write\n");
	96	return -1;
	97	}
	98	os_write(fd, fdt, size);
	99	os_close(fd);
	100	#endif
	101	return 0;
	102	}
	103
	104	static int run_test(const char aliases, const char nodes, const char *expect)
	105	{
	106	int list[MAX_NODES];
	107	const char *s;
	108	void *blob;
	109	int i;
	110
	111	blob = malloc(FDT_SIZE);
	112	if (!blob) {
	113	printf("%s: out of memory\n", __func__);
	114	return 1;
	115	}
	116
	117	printf("aliases=%s, nodes=%s, expect=%s: ", aliases, nodes, expect);
	118	CHECKVAL(make_fdt(blob, FDT_SIZE, aliases, nodes), 0);
	119	CHECKVAL(fdtdec_find_aliases_for_id(blob, "i2c",
	120	COMPAT_UNKNOWN,
a95460a4	121	list, ARRAY_SIZE(list)), (int)strlen(expect));
dc254f38 SG	122
	123	/* Check we got the right ones */
	124	for (i = 0, s = expect; *s; s++, i++) {
	125	int want = *s;
	126	const char *name;
	127	int got = ' ';
	128
	129	name = list[i] ? fdt_get_name(blob, list[i], NULL) : NULL;
	130	if (name)
	131	got = name[3] + 'a' - '0';
	132
	133	if (got != want) {
	134	printf("Position %d: Expected '%c', got '%c' ('%s')\n",
	135	i, want, got, name);
	136	return 1;
	137	}
	138	}
	139
	140	printf("pass\n");
848e94d0	141	free(blob);
dc254f38 SG	142	return 0;
	143	}
	144
4e4bde30 TR	145	static int make_fdt_carveout_device(void *fdt, uint32_t na, uint32_t ns)
	146	{
	147	const char *basename = "/display";
	148	struct fdt_memory carveout = {
	149	#ifdef CONFIG_PHYS_64BIT
	150	.start = 0x180000000,
	151	.end = 0x18fffffff,
	152	#else
	153	.start = 0x80000000,
	154	.end = 0x8fffffff,
	155	#endif
	156	};
	157	fdt32_t cells[4], *ptr = cells;
	158	uint32_t upper, lower;
3bf2f153	159	fdt_size_t size;
4e4bde30 TR	160	char name[32];
	161	int offset;
	162
	163	/* store one or two address cells */
3bf2f153 TR	164	upper = upper_32_bits(carveout.start);
3bf2f153 TR	165	lower = lower_32_bits(carveout.start);
4e4bde30 TR	166
	167	if (na > 1 && upper > 0)
	168	snprintf(name, sizeof(name), "%s@%x,%x", basename, upper,
	169	lower);
	170	else
	171	snprintf(name, sizeof(name), "%s@%x", basename, lower);
	172
	173	if (na > 1)
	174	*ptr++ = cpu_to_fdt32(upper);
	175
	176	*ptr++ = cpu_to_fdt32(lower);
	177
	178	/* store one or two size cells */
3bf2f153 TR	179	size = carveout.end - carveout.start + 1;
	180	upper = upper_32_bits(size);
	181	lower = lower_32_bits(size);
4e4bde30 TR	182
	183	if (ns > 1)
	184	*ptr++ = cpu_to_fdt32(upper);
	185
	186	*ptr++ = cpu_to_fdt32(lower);
	187
	188	offset = CHECK(fdt_add_subnode(fdt, 0, name + 1));
	189	CHECK(fdt_setprop(fdt, offset, "reg", cells, (na + ns) * sizeof(*cells)));
	190
	191	return fdtdec_set_carveout(fdt, name, "memory-region", 0,
	192	"framebuffer", &carveout);
	193	}
	194
	195	static int check_fdt_carveout(void *fdt, uint32_t address_cells,
	196	uint32_t size_cells)
	197	{
	198	#ifdef CONFIG_PHYS_64BIT
	199	const char *name = "/display@1,80000000";
	200	const struct fdt_memory expected = {
	201	.start = 0x180000000,
	202	.end = 0x18fffffff,
	203	};
	204	#else
	205	const char *name = "/display@80000000";
	206	const struct fdt_memory expected = {
	207	.start = 0x80000000,
	208	.end = 0x8fffffff,
	209	};
	210	#endif
	211	struct fdt_memory carveout;
	212
	213	printf("carveout: %pap-%pap na=%u ns=%u: ", &expected.start,
	214	&expected.end, address_cells, size_cells);
	215
	216	CHECK(fdtdec_get_carveout(fdt, name, "memory-region", 0, &carveout));
	217
	218	if ((carveout.start != expected.start) \|\|
	219	(carveout.end != expected.end)) {
	220	printf("carveout: %pap-%pap, expected %pap-%pap\n",
	221	&carveout.start, &carveout.end,
	222	&expected.start, &expected.end);
	223	return 1;
	224	}
	225
	226	printf("pass\n");
	227	return 0;
	228	}
	229
	230	static int make_fdt_carveout(void *fdt, int size, uint32_t address_cells,
	231	uint32_t size_cells)
	232	{
	233	fdt32_t na = cpu_to_fdt32(address_cells);
	234	fdt32_t ns = cpu_to_fdt32(size_cells);
	235	#if defined(DEBUG) && defined(CONFIG_SANDBOX)
	236	char filename[512];
	237	int fd;
	238	#endif
	239	int err;
	240
	241	CHECK(fdt_create(fdt, size));
	242	CHECK(fdt_finish_reservemap(fdt));
	243	CHECK(fdt_begin_node(fdt, ""));
	244	CHECK(fdt_property(fdt, "#address-cells", &na, sizeof(na)));
	245	CHECK(fdt_property(fdt, "#size-cells", &ns, sizeof(ns)));
246	CHECK(fdt_end_node(fdt));
247	CHECK(fdt_finish(fdt));
248	CHECK(fdt_pack(fdt));
249
250	CHECK(fdt_open_into(fdt, fdt, FDT_SIZE));
251
252	err = make_fdt_carveout_device(fdt, address_cells, size_cells);
253
254	#if defined(DEBUG) && defined(CONFIG_SANDBOX)
255	snprintf(filename, sizeof(filename), "/tmp/fdtdec-carveout-%u-%u.dtb",
256	address_cells, size_cells);
257
258	fd = os_open(filename, OS_O_CREAT \| OS_O_WRONLY);
259	if (fd < 0) {
260	printf("could not open .dtb file to write\n");
261	goto out;
262	}
263
264	os_write(fd, fdt, size);
265	os_close(fd);
266
267	out:
268	#endif
269	return err;
270	}
271
272	static int check_carveout(void)
273	{
274	void *fdt;
275
276	fdt = malloc(FDT_SIZE);
277	if (!fdt) {
278	printf("%s: out of memory\n", __func__);
279	return 1;
280	}
281
282	#ifndef CONFIG_PHYS_64BIT
283	CHECKVAL(make_fdt_carveout(fdt, FDT_SIZE, 1, 1), 0);
284	CHECKOK(check_fdt_carveout(fdt, 1, 1));
285	CHECKVAL(make_fdt_carveout(fdt, FDT_SIZE, 1, 2), 0);
286	CHECKOK(check_fdt_carveout(fdt, 1, 2));
287	#else
288	CHECKVAL(make_fdt_carveout(fdt, FDT_SIZE, 1, 1), -FDT_ERR_BADVALUE);
289	CHECKVAL(make_fdt_carveout(fdt, FDT_SIZE, 1, 2), -FDT_ERR_BADVALUE);
290	#endif
291	CHECKVAL(make_fdt_carveout(fdt, FDT_SIZE, 2, 1), 0);
292	CHECKOK(check_fdt_carveout(fdt, 2, 1));
293	CHECKVAL(make_fdt_carveout(fdt, FDT_SIZE, 2, 2), 0);
294	CHECKOK(check_fdt_carveout(fdt, 2, 2));
295
848e94d0	296	free(fdt);
4e4bde30 TR	297	return 0;
	298	}
	299
dc254f38 SG	300	static int do_test_fdtdec(cmd_tbl_t *cmdtp, int flag, int argc,
	301	char * const argv[])
	302	{
	303	/* basic tests */
	304	CHECKOK(run_test("", "", ""));
	305	CHECKOK(run_test("1e 3d", "", ""));
	306
	307	/*
	308	* 'a' represents 0, 'b' represents 1, etc.
	309	* The first character is the alias number, the second is the node
	310	* number. So the params mean:
	311	* 0a 1b : point alias 0 to node 0 (a), alias 1 to node 1(b)
	312	* ab : to create nodes 0 and 1 (a and b)
	313	* ab : we expect the function to return two nodes, in
	314	* the order 0, 1
	315	*/
	316	CHECKOK(run_test("0a 1b", "ab", "ab"));
	317
	318	CHECKOK(run_test("0a 1c", "ab", "ab"));
	319	CHECKOK(run_test("1c", "ab", "ab"));
	320	CHECKOK(run_test("1b", "ab", "ab"));
	321	CHECKOK(run_test("0b", "ab", "ba"));
	322	CHECKOK(run_test("0b 2d", "dbc", "bcd"));
	323	CHECKOK(run_test("0d 3a 1c 2b", "dbac", "dcba"));
	324
	325	/* things with holes */
	326	CHECKOK(run_test("1b 3d", "dbc", "cb d"));
	327	CHECKOK(run_test("1e 3d", "dbc", "bc d"));
	328
	329	/* no aliases */
	330	CHECKOK(run_test("", "dbac", "dbac"));
	331
	332	/* disabled nodes */
	333	CHECKOK(run_test("0d 3a 1c 2b", "dBac", "dc a"));
	334	CHECKOK(run_test("0b 2d", "DBc", "c"));
	335	CHECKOK(run_test("0b 4d 2c", "DBc", " c"));
	336
	337	/* conflicting aliases - first one gets it */
	338	CHECKOK(run_test("2a 1a 0a", "a", " a"));
	339	CHECKOK(run_test("0a 1a 2a", "a", "a"));
	340
4e4bde30 TR	341	CHECKOK(check_carveout());
4e4bde30 TR	342
dc254f38 SG	343	printf("Test passed\n");
	344	return 0;
	345	}
	346
	347	U_BOOT_CMD(
	348	test_fdtdec, 3, 1, do_test_fdtdec,
	349	"test_fdtdec",
	350	"Run tests for fdtdec library");