2 # SPDX-License-Identifier: GPL-2.0+
3 # Copyright (c) 2012 The Chromium OS Authors.
6 """Tests for the dtb_platdata module
8 This includes unit tests for some functions and functional tests for the dtoc
19 from dtoc import dtb_platdata
20 from dtb_platdata import conv_name_to_c
21 from dtb_platdata import get_compat_name
22 from dtb_platdata import get_value
23 from dtb_platdata import tab_to
25 from dtoc import fdt_util
26 from patman import test_util
27 from patman import tools
29 our_path = os.path.dirname(os.path.realpath(__file__))
35 * This file was generated by dtoc from a .dtb (device tree binary) file.
39 #include <linux/libfdt.h>'''
44 * This file was generated by dtoc from a .dtb (device tree binary) file.
49 #include <dt-structs.h>
52 C_EMPTY_POPULATE_PHANDLE_DATA = '''void dm_populate_phandle_data(void) {
57 def get_dtb_file(dts_fname, capture_stderr=False):
58 """Compile a .dts file to a .dtb
61 dts_fname: Filename of .dts file in the current directory
62 capture_stderr: True to capture and discard stderr output
65 Filename of compiled file in output directory
67 return fdt_util.EnsureCompiled(os.path.join(our_path, dts_fname),
68 capture_stderr=capture_stderr)
71 class TestDtoc(unittest.TestCase):
75 tools.PrepareOutputDir(None)
79 def tearDownClass(cls):
80 tools._RemoveOutputDir()
82 def _WritePythonString(self, fname, data):
83 """Write a string with tabs expanded as done in this Python file
86 fname: Filename to write to
87 data: Raw string to convert
89 data = data.replace('\t', '\\t')
90 with open(fname, 'w') as fd:
93 def _CheckStrings(self, expected, actual):
94 """Check that a string matches its expected value
96 If the strings do not match, they are written to the /tmp directory in
97 the same Python format as is used here in the test. This allows for
98 easy comparison and update of the tests.
101 expected: Expected string
102 actual: Actual string
104 if expected != actual:
105 self._WritePythonString('/tmp/binman.expected', expected)
106 self._WritePythonString('/tmp/binman.actual', actual)
107 print('Failures written to /tmp/binman.{expected,actual}')
108 self.assertEquals(expected, actual)
111 def run_test(self, args, dtb_file, output):
112 dtb_platdata.run_steps(args, dtb_file, False, output, True)
115 """Test conversion of device tree names to C identifiers"""
116 self.assertEqual('serial_at_0x12', conv_name_to_c('serial@0x12'))
117 self.assertEqual('vendor_clock_frequency',
118 conv_name_to_c('vendor,clock-frequency'))
119 self.assertEqual('rockchip_rk3399_sdhci_5_1',
120 conv_name_to_c('rockchip,rk3399-sdhci-5.1'))
122 def test_tab_to(self):
123 """Test operation of tab_to() function"""
124 self.assertEqual('fred ', tab_to(0, 'fred'))
125 self.assertEqual('fred\t', tab_to(1, 'fred'))
126 self.assertEqual('fred was here ', tab_to(1, 'fred was here'))
127 self.assertEqual('fred was here\t\t', tab_to(3, 'fred was here'))
128 self.assertEqual('exactly8 ', tab_to(1, 'exactly8'))
129 self.assertEqual('exactly8\t', tab_to(2, 'exactly8'))
131 def test_get_value(self):
132 """Test operation of get_value() function"""
133 self.assertEqual('0x45',
134 get_value(fdt.TYPE_INT, struct.pack('>I', 0x45)))
135 self.assertEqual('0x45',
136 get_value(fdt.TYPE_BYTE, struct.pack('<I', 0x45)))
137 self.assertEqual('0x0',
138 get_value(fdt.TYPE_BYTE, struct.pack('>I', 0x45)))
139 self.assertEqual('"test"', get_value(fdt.TYPE_STRING, 'test'))
140 self.assertEqual('true', get_value(fdt.TYPE_BOOL, None))
142 def test_get_compat_name(self):
143 """Test operation of get_compat_name() function"""
144 Prop = collections.namedtuple('Prop', ['value'])
145 Node = collections.namedtuple('Node', ['props'])
147 prop = Prop(['rockchip,rk3399-sdhci-5.1', 'arasan,sdhci-5.1'])
148 node = Node({'compatible': prop})
149 self.assertEqual((['rockchip_rk3399_sdhci_5_1', 'arasan_sdhci_5_1']),
150 get_compat_name(node))
152 prop = Prop(['rockchip,rk3399-sdhci-5.1'])
153 node = Node({'compatible': prop})
154 self.assertEqual((['rockchip_rk3399_sdhci_5_1']),
155 get_compat_name(node))
157 prop = Prop(['rockchip,rk3399-sdhci-5.1', 'arasan,sdhci-5.1', 'third'])
158 node = Node({'compatible': prop})
159 self.assertEqual((['rockchip_rk3399_sdhci_5_1',
160 'arasan_sdhci_5_1', 'third']),
161 get_compat_name(node))
163 def test_empty_file(self):
164 """Test output from a device tree file with no nodes"""
165 dtb_file = get_dtb_file('dtoc_test_empty.dts')
166 output = tools.GetOutputFilename('output')
167 self.run_test(['struct'], dtb_file, output)
168 with open(output) as infile:
169 lines = infile.read().splitlines()
170 self.assertEqual(HEADER.splitlines(), lines)
172 self.run_test(['platdata'], dtb_file, output)
173 with open(output) as infile:
174 lines = infile.read().splitlines()
175 self.assertEqual(C_HEADER.splitlines() + [''] +
176 C_EMPTY_POPULATE_PHANDLE_DATA.splitlines(), lines)
178 def test_simple(self):
179 """Test output from some simple nodes with various types of data"""
180 dtb_file = get_dtb_file('dtoc_test_simple.dts')
181 output = tools.GetOutputFilename('output')
182 self.run_test(['struct'], dtb_file, output)
183 with open(output) as infile:
185 self._CheckStrings(HEADER + '''
186 struct dtd_sandbox_i2c_test {
188 struct dtd_sandbox_pmic_test {
192 struct dtd_sandbox_spl_test {
193 \tconst char * acpi_name;
195 \tunsigned char\tbytearray[3];
196 \tunsigned char\tbyteval;
197 \tfdt32_t\t\tintarray[4];
199 \tunsigned char\tlongbytearray[9];
200 \tunsigned char\tnotstring[5];
201 \tconst char *\tstringarray[3];
202 \tconst char *\tstringval;
204 struct dtd_sandbox_spl_test_2 {
208 self.run_test(['platdata'], dtb_file, output)
209 with open(output) as infile:
211 self._CheckStrings(C_HEADER + '''
212 /* Node /i2c@0 index 0 */
213 static struct dtd_sandbox_i2c_test dtv_i2c_at_0 = {
215 U_BOOT_DEVICE(i2c_at_0) = {
216 \t.name\t\t= "sandbox_i2c_test",
217 \t.platdata\t= &dtv_i2c_at_0,
218 \t.platdata_size\t= sizeof(dtv_i2c_at_0),
221 /* Node /i2c@0/pmic@9 index 1 */
222 static struct dtd_sandbox_pmic_test dtv_pmic_at_9 = {
223 \t.low_power\t\t= true,
224 \t.reg\t\t\t= {0x9, 0x0},
226 U_BOOT_DEVICE(pmic_at_9) = {
227 \t.name\t\t= "sandbox_pmic_test",
228 \t.platdata\t= &dtv_pmic_at_9,
229 \t.platdata_size\t= sizeof(dtv_pmic_at_9),
232 /* Node /spl-test index 2 */
233 static struct dtd_sandbox_spl_test dtv_spl_test = {
234 \t.boolval\t\t= true,
235 \t.bytearray\t\t= {0x6, 0x0, 0x0},
237 \t.intarray\t\t= {0x2, 0x3, 0x4, 0x0},
238 \t.intval\t\t\t= 0x1,
239 \t.longbytearray\t\t= {0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x10,
241 \t.notstring\t\t= {0x20, 0x21, 0x22, 0x10, 0x0},
242 \t.stringarray\t\t= {"multi-word", "message", ""},
243 \t.stringval\t\t= "message",
245 U_BOOT_DEVICE(spl_test) = {
246 \t.name\t\t= "sandbox_spl_test",
247 \t.platdata\t= &dtv_spl_test,
248 \t.platdata_size\t= sizeof(dtv_spl_test),
251 /* Node /spl-test2 index 3 */
252 static struct dtd_sandbox_spl_test dtv_spl_test2 = {
253 \t.acpi_name\t\t= "\\\\_SB.GPO0",
254 \t.bytearray\t\t= {0x1, 0x23, 0x34},
256 \t.intarray\t\t= {0x5, 0x0, 0x0, 0x0},
257 \t.intval\t\t\t= 0x3,
258 \t.longbytearray\t\t= {0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
260 \t.stringarray\t\t= {"another", "multi-word", "message"},
261 \t.stringval\t\t= "message2",
263 U_BOOT_DEVICE(spl_test2) = {
264 \t.name\t\t= "sandbox_spl_test",
265 \t.platdata\t= &dtv_spl_test2,
266 \t.platdata_size\t= sizeof(dtv_spl_test2),
269 /* Node /spl-test3 index 4 */
270 static struct dtd_sandbox_spl_test dtv_spl_test3 = {
271 \t.stringarray\t\t= {"one", "", ""},
273 U_BOOT_DEVICE(spl_test3) = {
274 \t.name\t\t= "sandbox_spl_test",
275 \t.platdata\t= &dtv_spl_test3,
276 \t.platdata_size\t= sizeof(dtv_spl_test3),
279 /* Node /spl-test4 index 5 */
280 static struct dtd_sandbox_spl_test_2 dtv_spl_test4 = {
282 U_BOOT_DEVICE(spl_test4) = {
283 \t.name\t\t= "sandbox_spl_test_2",
284 \t.platdata\t= &dtv_spl_test4,
285 \t.platdata_size\t= sizeof(dtv_spl_test4),
288 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
290 def test_driver_alias(self):
291 """Test output from a device tree file with a driver alias"""
292 dtb_file = get_dtb_file('dtoc_test_driver_alias.dts')
293 output = tools.GetOutputFilename('output')
294 self.run_test(['struct'], dtb_file, output)
295 with open(output) as infile:
297 self._CheckStrings(HEADER + '''
298 struct dtd_sandbox_gpio {
299 \tconst char *\tgpio_bank_name;
300 \tbool\t\tgpio_controller;
301 \tfdt32_t\t\tsandbox_gpio_count;
305 self.run_test(['platdata'], dtb_file, output)
306 with open(output) as infile:
308 self._CheckStrings(C_HEADER + '''
309 /* Node /gpios@0 index 0 */
310 static struct dtd_sandbox_gpio dtv_gpios_at_0 = {
311 \t.gpio_bank_name\t\t= "a",
312 \t.gpio_controller\t= true,
313 \t.sandbox_gpio_count\t= 0x14,
315 U_BOOT_DEVICE(gpios_at_0) = {
316 \t.name\t\t= "sandbox_gpio",
317 \t.platdata\t= &dtv_gpios_at_0,
318 \t.platdata_size\t= sizeof(dtv_gpios_at_0),
321 void dm_populate_phandle_data(void) {
325 def test_invalid_driver(self):
326 """Test output from a device tree file with an invalid driver"""
327 dtb_file = get_dtb_file('dtoc_test_invalid_driver.dts')
328 output = tools.GetOutputFilename('output')
329 with test_util.capture_sys_output() as (stdout, stderr):
330 dtb_platdata.run_steps(['struct'], dtb_file, False, output)
331 with open(output) as infile:
333 self._CheckStrings(HEADER + '''
338 with test_util.capture_sys_output() as (stdout, stderr):
339 dtb_platdata.run_steps(['platdata'], dtb_file, False, output)
340 with open(output) as infile:
342 self._CheckStrings(C_HEADER + '''
343 /* Node /spl-test index 0 */
344 static struct dtd_invalid dtv_spl_test = {
346 U_BOOT_DEVICE(spl_test) = {
347 \t.name\t\t= "invalid",
348 \t.platdata\t= &dtv_spl_test,
349 \t.platdata_size\t= sizeof(dtv_spl_test),
352 void dm_populate_phandle_data(void) {
356 def test_phandle(self):
357 """Test output from a node containing a phandle reference"""
358 dtb_file = get_dtb_file('dtoc_test_phandle.dts')
359 output = tools.GetOutputFilename('output')
360 self.run_test(['struct'], dtb_file, output)
361 with open(output) as infile:
363 self._CheckStrings(HEADER + '''
365 \tstruct phandle_2_arg clocks[4];
372 self.run_test(['platdata'], dtb_file, output)
373 with open(output) as infile:
375 self._CheckStrings(C_HEADER + '''
376 /* Node /phandle2-target index 0 */
377 static struct dtd_target dtv_phandle2_target = {
378 \t.intval\t\t\t= 0x1,
380 U_BOOT_DEVICE(phandle2_target) = {
381 \t.name\t\t= "target",
382 \t.platdata\t= &dtv_phandle2_target,
383 \t.platdata_size\t= sizeof(dtv_phandle2_target),
386 /* Node /phandle3-target index 1 */
387 static struct dtd_target dtv_phandle3_target = {
388 \t.intval\t\t\t= 0x2,
390 U_BOOT_DEVICE(phandle3_target) = {
391 \t.name\t\t= "target",
392 \t.platdata\t= &dtv_phandle3_target,
393 \t.platdata_size\t= sizeof(dtv_phandle3_target),
396 /* Node /phandle-target index 4 */
397 static struct dtd_target dtv_phandle_target = {
398 \t.intval\t\t\t= 0x0,
400 U_BOOT_DEVICE(phandle_target) = {
401 \t.name\t\t= "target",
402 \t.platdata\t= &dtv_phandle_target,
403 \t.platdata_size\t= sizeof(dtv_phandle_target),
406 /* Node /phandle-source index 2 */
407 static struct dtd_source dtv_phandle_source = {
411 \t\t\t{NULL, {12, 13}},
414 U_BOOT_DEVICE(phandle_source) = {
415 \t.name\t\t= "source",
416 \t.platdata\t= &dtv_phandle_source,
417 \t.platdata_size\t= sizeof(dtv_phandle_source),
420 /* Node /phandle-source2 index 3 */
421 static struct dtd_source dtv_phandle_source2 = {
425 U_BOOT_DEVICE(phandle_source2) = {
426 \t.name\t\t= "source",
427 \t.platdata\t= &dtv_phandle_source2,
428 \t.platdata_size\t= sizeof(dtv_phandle_source2),
431 void dm_populate_phandle_data(void) {
432 \tdtv_phandle_source.clocks[0].node = DM_GET_DEVICE(phandle_target);
433 \tdtv_phandle_source.clocks[1].node = DM_GET_DEVICE(phandle2_target);
434 \tdtv_phandle_source.clocks[2].node = DM_GET_DEVICE(phandle3_target);
435 \tdtv_phandle_source.clocks[3].node = DM_GET_DEVICE(phandle_target);
436 \tdtv_phandle_source2.clocks[0].node = DM_GET_DEVICE(phandle_target);
440 def test_phandle_single(self):
441 """Test output from a node containing a phandle reference"""
442 dtb_file = get_dtb_file('dtoc_test_phandle_single.dts')
443 output = tools.GetOutputFilename('output')
444 self.run_test(['struct'], dtb_file, output)
445 with open(output) as infile:
447 self._CheckStrings(HEADER + '''
449 \tstruct phandle_0_arg clocks[1];
456 def test_phandle_reorder(self):
457 """Test that phandle targets are generated before their references"""
458 dtb_file = get_dtb_file('dtoc_test_phandle_reorder.dts')
459 output = tools.GetOutputFilename('output')
460 self.run_test(['platdata'], dtb_file, output)
461 with open(output) as infile:
463 self._CheckStrings(C_HEADER + '''
464 /* Node /phandle-target index 1 */
465 static struct dtd_target dtv_phandle_target = {
467 U_BOOT_DEVICE(phandle_target) = {
468 \t.name\t\t= "target",
469 \t.platdata\t= &dtv_phandle_target,
470 \t.platdata_size\t= sizeof(dtv_phandle_target),
473 /* Node /phandle-source2 index 0 */
474 static struct dtd_source dtv_phandle_source2 = {
478 U_BOOT_DEVICE(phandle_source2) = {
479 \t.name\t\t= "source",
480 \t.platdata\t= &dtv_phandle_source2,
481 \t.platdata_size\t= sizeof(dtv_phandle_source2),
484 void dm_populate_phandle_data(void) {
485 \tdtv_phandle_source2.clocks[0].node = DM_GET_DEVICE(phandle_target);
489 def test_phandle_cd_gpio(self):
490 """Test that phandle targets are generated when unsing cd-gpios"""
491 dtb_file = get_dtb_file('dtoc_test_phandle_cd_gpios.dts')
492 output = tools.GetOutputFilename('output')
493 dtb_platdata.run_steps(['platdata'], dtb_file, False, output, True)
494 with open(output) as infile:
496 self._CheckStrings(C_HEADER + '''
497 /* Node /phandle2-target index 0 */
498 static struct dtd_target dtv_phandle2_target = {
499 \t.intval\t\t\t= 0x1,
501 U_BOOT_DEVICE(phandle2_target) = {
502 \t.name\t\t= "target",
503 \t.platdata\t= &dtv_phandle2_target,
504 \t.platdata_size\t= sizeof(dtv_phandle2_target),
507 /* Node /phandle3-target index 1 */
508 static struct dtd_target dtv_phandle3_target = {
509 \t.intval\t\t\t= 0x2,
511 U_BOOT_DEVICE(phandle3_target) = {
512 \t.name\t\t= "target",
513 \t.platdata\t= &dtv_phandle3_target,
514 \t.platdata_size\t= sizeof(dtv_phandle3_target),
517 /* Node /phandle-target index 4 */
518 static struct dtd_target dtv_phandle_target = {
519 \t.intval\t\t\t= 0x0,
521 U_BOOT_DEVICE(phandle_target) = {
522 \t.name\t\t= "target",
523 \t.platdata\t= &dtv_phandle_target,
524 \t.platdata_size\t= sizeof(dtv_phandle_target),
527 /* Node /phandle-source index 2 */
528 static struct dtd_source dtv_phandle_source = {
532 \t\t\t{NULL, {12, 13}},
535 U_BOOT_DEVICE(phandle_source) = {
536 \t.name\t\t= "source",
537 \t.platdata\t= &dtv_phandle_source,
538 \t.platdata_size\t= sizeof(dtv_phandle_source),
541 /* Node /phandle-source2 index 3 */
542 static struct dtd_source dtv_phandle_source2 = {
546 U_BOOT_DEVICE(phandle_source2) = {
547 \t.name\t\t= "source",
548 \t.platdata\t= &dtv_phandle_source2,
549 \t.platdata_size\t= sizeof(dtv_phandle_source2),
552 void dm_populate_phandle_data(void) {
553 \tdtv_phandle_source.cd_gpios[0].node = DM_GET_DEVICE(phandle_target);
554 \tdtv_phandle_source.cd_gpios[1].node = DM_GET_DEVICE(phandle2_target);
555 \tdtv_phandle_source.cd_gpios[2].node = DM_GET_DEVICE(phandle3_target);
556 \tdtv_phandle_source.cd_gpios[3].node = DM_GET_DEVICE(phandle_target);
557 \tdtv_phandle_source2.cd_gpios[0].node = DM_GET_DEVICE(phandle_target);
561 def test_phandle_bad(self):
562 """Test a node containing an invalid phandle fails"""
563 dtb_file = get_dtb_file('dtoc_test_phandle_bad.dts',
565 output = tools.GetOutputFilename('output')
566 with self.assertRaises(ValueError) as e:
567 self.run_test(['struct'], dtb_file, output)
568 self.assertIn("Cannot parse 'clocks' in node 'phandle-source'",
571 def test_phandle_bad2(self):
572 """Test a phandle target missing its #*-cells property"""
573 dtb_file = get_dtb_file('dtoc_test_phandle_bad2.dts',
575 output = tools.GetOutputFilename('output')
576 with self.assertRaises(ValueError) as e:
577 self.run_test(['struct'], dtb_file, output)
578 self.assertIn("Node 'phandle-target' has no cells property",
581 def test_addresses64(self):
582 """Test output from a node with a 'reg' property with na=2, ns=2"""
583 dtb_file = get_dtb_file('dtoc_test_addr64.dts')
584 output = tools.GetOutputFilename('output')
585 self.run_test(['struct'], dtb_file, output)
586 with open(output) as infile:
588 self._CheckStrings(HEADER + '''
600 self.run_test(['platdata'], dtb_file, output)
601 with open(output) as infile:
603 self._CheckStrings(C_HEADER + '''
604 /* Node /test1 index 0 */
605 static struct dtd_test1 dtv_test1 = {
606 \t.reg\t\t\t= {0x1234, 0x5678},
608 U_BOOT_DEVICE(test1) = {
609 \t.name\t\t= "test1",
610 \t.platdata\t= &dtv_test1,
611 \t.platdata_size\t= sizeof(dtv_test1),
614 /* Node /test2 index 1 */
615 static struct dtd_test2 dtv_test2 = {
616 \t.reg\t\t\t= {0x1234567890123456, 0x9876543210987654},
618 U_BOOT_DEVICE(test2) = {
619 \t.name\t\t= "test2",
620 \t.platdata\t= &dtv_test2,
621 \t.platdata_size\t= sizeof(dtv_test2),
624 /* Node /test3 index 2 */
625 static struct dtd_test3 dtv_test3 = {
626 \t.reg\t\t\t= {0x1234567890123456, 0x9876543210987654, 0x2, 0x3},
628 U_BOOT_DEVICE(test3) = {
629 \t.name\t\t= "test3",
630 \t.platdata\t= &dtv_test3,
631 \t.platdata_size\t= sizeof(dtv_test3),
634 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
636 def test_addresses32(self):
637 """Test output from a node with a 'reg' property with na=1, ns=1"""
638 dtb_file = get_dtb_file('dtoc_test_addr32.dts')
639 output = tools.GetOutputFilename('output')
640 self.run_test(['struct'], dtb_file, output)
641 with open(output) as infile:
643 self._CheckStrings(HEADER + '''
652 self.run_test(['platdata'], dtb_file, output)
653 with open(output) as infile:
655 self._CheckStrings(C_HEADER + '''
656 /* Node /test1 index 0 */
657 static struct dtd_test1 dtv_test1 = {
658 \t.reg\t\t\t= {0x1234, 0x5678},
660 U_BOOT_DEVICE(test1) = {
661 \t.name\t\t= "test1",
662 \t.platdata\t= &dtv_test1,
663 \t.platdata_size\t= sizeof(dtv_test1),
666 /* Node /test2 index 1 */
667 static struct dtd_test2 dtv_test2 = {
668 \t.reg\t\t\t= {0x12345678, 0x98765432, 0x2, 0x3},
670 U_BOOT_DEVICE(test2) = {
671 \t.name\t\t= "test2",
672 \t.platdata\t= &dtv_test2,
673 \t.platdata_size\t= sizeof(dtv_test2),
676 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
678 def test_addresses64_32(self):
679 """Test output from a node with a 'reg' property with na=2, ns=1"""
680 dtb_file = get_dtb_file('dtoc_test_addr64_32.dts')
681 output = tools.GetOutputFilename('output')
682 self.run_test(['struct'], dtb_file, output)
683 with open(output) as infile:
685 self._CheckStrings(HEADER + '''
697 self.run_test(['platdata'], dtb_file, output)
698 with open(output) as infile:
700 self._CheckStrings(C_HEADER + '''
701 /* Node /test1 index 0 */
702 static struct dtd_test1 dtv_test1 = {
703 \t.reg\t\t\t= {0x123400000000, 0x5678},
705 U_BOOT_DEVICE(test1) = {
706 \t.name\t\t= "test1",
707 \t.platdata\t= &dtv_test1,
708 \t.platdata_size\t= sizeof(dtv_test1),
711 /* Node /test2 index 1 */
712 static struct dtd_test2 dtv_test2 = {
713 \t.reg\t\t\t= {0x1234567890123456, 0x98765432},
715 U_BOOT_DEVICE(test2) = {
716 \t.name\t\t= "test2",
717 \t.platdata\t= &dtv_test2,
718 \t.platdata_size\t= sizeof(dtv_test2),
721 /* Node /test3 index 2 */
722 static struct dtd_test3 dtv_test3 = {
723 \t.reg\t\t\t= {0x1234567890123456, 0x98765432, 0x2, 0x3},
725 U_BOOT_DEVICE(test3) = {
726 \t.name\t\t= "test3",
727 \t.platdata\t= &dtv_test3,
728 \t.platdata_size\t= sizeof(dtv_test3),
731 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
733 def test_addresses32_64(self):
734 """Test output from a node with a 'reg' property with na=1, ns=2"""
735 dtb_file = get_dtb_file('dtoc_test_addr32_64.dts')
736 output = tools.GetOutputFilename('output')
737 self.run_test(['struct'], dtb_file, output)
738 with open(output) as infile:
740 self._CheckStrings(HEADER + '''
752 self.run_test(['platdata'], dtb_file, output)
753 with open(output) as infile:
755 self._CheckStrings(C_HEADER + '''
756 /* Node /test1 index 0 */
757 static struct dtd_test1 dtv_test1 = {
758 \t.reg\t\t\t= {0x1234, 0x567800000000},
760 U_BOOT_DEVICE(test1) = {
761 \t.name\t\t= "test1",
762 \t.platdata\t= &dtv_test1,
763 \t.platdata_size\t= sizeof(dtv_test1),
766 /* Node /test2 index 1 */
767 static struct dtd_test2 dtv_test2 = {
768 \t.reg\t\t\t= {0x12345678, 0x9876543210987654},
770 U_BOOT_DEVICE(test2) = {
771 \t.name\t\t= "test2",
772 \t.platdata\t= &dtv_test2,
773 \t.platdata_size\t= sizeof(dtv_test2),
776 /* Node /test3 index 2 */
777 static struct dtd_test3 dtv_test3 = {
778 \t.reg\t\t\t= {0x12345678, 0x9876543210987654, 0x2, 0x3},
780 U_BOOT_DEVICE(test3) = {
781 \t.name\t\t= "test3",
782 \t.platdata\t= &dtv_test3,
783 \t.platdata_size\t= sizeof(dtv_test3),
786 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
788 def test_bad_reg(self):
789 """Test that a reg property with an invalid type generates an error"""
790 # Capture stderr since dtc will emit warnings for this file
791 dtb_file = get_dtb_file('dtoc_test_bad_reg.dts', capture_stderr=True)
792 output = tools.GetOutputFilename('output')
793 with self.assertRaises(ValueError) as e:
794 self.run_test(['struct'], dtb_file, output)
795 self.assertIn("Node 'spl-test' reg property is not an int",
798 def test_bad_reg2(self):
799 """Test that a reg property with an invalid cell count is detected"""
800 # Capture stderr since dtc will emit warnings for this file
801 dtb_file = get_dtb_file('dtoc_test_bad_reg2.dts', capture_stderr=True)
802 output = tools.GetOutputFilename('output')
803 with self.assertRaises(ValueError) as e:
804 self.run_test(['struct'], dtb_file, output)
805 self.assertIn("Node 'spl-test' reg property has 3 cells which is not a multiple of na + ns = 1 + 1)",
808 def test_add_prop(self):
809 """Test that a subequent node can add a new property to a struct"""
810 dtb_file = get_dtb_file('dtoc_test_add_prop.dts')
811 output = tools.GetOutputFilename('output')
812 self.run_test(['struct'], dtb_file, output)
813 with open(output) as infile:
815 self._CheckStrings(HEADER + '''
816 struct dtd_sandbox_spl_test {
817 \tfdt32_t\t\tintarray;
822 self.run_test(['platdata'], dtb_file, output)
823 with open(output) as infile:
825 self._CheckStrings(C_HEADER + '''
826 /* Node /spl-test index 0 */
827 static struct dtd_sandbox_spl_test dtv_spl_test = {
828 \t.intval\t\t\t= 0x1,
830 U_BOOT_DEVICE(spl_test) = {
831 \t.name\t\t= "sandbox_spl_test",
832 \t.platdata\t= &dtv_spl_test,
833 \t.platdata_size\t= sizeof(dtv_spl_test),
836 /* Node /spl-test2 index 1 */
837 static struct dtd_sandbox_spl_test dtv_spl_test2 = {
838 \t.intarray\t\t= 0x5,
840 U_BOOT_DEVICE(spl_test2) = {
841 \t.name\t\t= "sandbox_spl_test",
842 \t.platdata\t= &dtv_spl_test2,
843 \t.platdata_size\t= sizeof(dtv_spl_test2),
846 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
848 def testStdout(self):
849 """Test output to stdout"""
850 dtb_file = get_dtb_file('dtoc_test_simple.dts')
851 with test_util.capture_sys_output() as (stdout, stderr):
852 self.run_test(['struct'], dtb_file, '-')
854 def testNoCommand(self):
855 """Test running dtoc without a command"""
856 with self.assertRaises(ValueError) as e:
857 self.run_test([], '', '')
858 self.assertIn("Please specify a command: struct, platdata",
861 def testBadCommand(self):
862 """Test running dtoc with an invalid command"""
863 dtb_file = get_dtb_file('dtoc_test_simple.dts')
864 output = tools.GetOutputFilename('output')
865 with self.assertRaises(ValueError) as e:
866 self.run_test(['invalid-cmd'], dtb_file, output)
867 self.assertIn("Unknown command 'invalid-cmd': (use: struct, platdata)",
870 def testScanDrivers(self):
871 """Test running dtoc with additional drivers to scan"""
872 dtb_file = get_dtb_file('dtoc_test_simple.dts')
873 output = tools.GetOutputFilename('output')
874 with test_util.capture_sys_output() as (stdout, stderr):
875 dtb_platdata.run_steps(['struct'], dtb_file, False, output, True,
876 [None, '', 'tools/dtoc/dtoc_test_scan_drivers.cxx'])
878 def testUnicodeError(self):
879 """Test running dtoc with an invalid unicode file
881 To be able to perform this test without adding a weird text file which
882 would produce issues when using checkpatch.pl or patman, generate the
883 file at runtime and then process it.
885 dtb_file = get_dtb_file('dtoc_test_simple.dts')
886 output = tools.GetOutputFilename('output')
887 driver_fn = '/tmp/' + next(tempfile._get_candidate_names())
888 with open(driver_fn, 'wb+') as df:
891 with test_util.capture_sys_output() as (stdout, stderr):
892 dtb_platdata.run_steps(['struct'], dtb_file, False, output, True,