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),
222 /* Node /i2c@0/pmic@9 index 1 */
223 static struct dtd_sandbox_pmic_test dtv_pmic_at_9 = {
224 \t.low_power\t\t= true,
225 \t.reg\t\t\t= {0x9, 0x0},
227 U_BOOT_DEVICE(pmic_at_9) = {
228 \t.name\t\t= "sandbox_pmic_test",
229 \t.platdata\t= &dtv_pmic_at_9,
230 \t.platdata_size\t= sizeof(dtv_pmic_at_9),
234 /* Node /spl-test index 2 */
235 static struct dtd_sandbox_spl_test dtv_spl_test = {
236 \t.boolval\t\t= true,
237 \t.bytearray\t\t= {0x6, 0x0, 0x0},
239 \t.intarray\t\t= {0x2, 0x3, 0x4, 0x0},
240 \t.intval\t\t\t= 0x1,
241 \t.longbytearray\t\t= {0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x10,
243 \t.notstring\t\t= {0x20, 0x21, 0x22, 0x10, 0x0},
244 \t.stringarray\t\t= {"multi-word", "message", ""},
245 \t.stringval\t\t= "message",
247 U_BOOT_DEVICE(spl_test) = {
248 \t.name\t\t= "sandbox_spl_test",
249 \t.platdata\t= &dtv_spl_test,
250 \t.platdata_size\t= sizeof(dtv_spl_test),
254 /* Node /spl-test2 index 3 */
255 static struct dtd_sandbox_spl_test dtv_spl_test2 = {
256 \t.acpi_name\t\t= "\\\\_SB.GPO0",
257 \t.bytearray\t\t= {0x1, 0x23, 0x34},
259 \t.intarray\t\t= {0x5, 0x0, 0x0, 0x0},
260 \t.intval\t\t\t= 0x3,
261 \t.longbytearray\t\t= {0x9, 0xa, 0xb, 0xc, 0x0, 0x0, 0x0, 0x0,
263 \t.stringarray\t\t= {"another", "multi-word", "message"},
264 \t.stringval\t\t= "message2",
266 U_BOOT_DEVICE(spl_test2) = {
267 \t.name\t\t= "sandbox_spl_test",
268 \t.platdata\t= &dtv_spl_test2,
269 \t.platdata_size\t= sizeof(dtv_spl_test2),
273 /* Node /spl-test3 index 4 */
274 static struct dtd_sandbox_spl_test dtv_spl_test3 = {
275 \t.longbytearray\t\t= {0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x10,
277 \t.stringarray\t\t= {"one", "", ""},
279 U_BOOT_DEVICE(spl_test3) = {
280 \t.name\t\t= "sandbox_spl_test",
281 \t.platdata\t= &dtv_spl_test3,
282 \t.platdata_size\t= sizeof(dtv_spl_test3),
286 /* Node /spl-test4 index 5 */
287 static struct dtd_sandbox_spl_test_2 dtv_spl_test4 = {
289 U_BOOT_DEVICE(spl_test4) = {
290 \t.name\t\t= "sandbox_spl_test_2",
291 \t.platdata\t= &dtv_spl_test4,
292 \t.platdata_size\t= sizeof(dtv_spl_test4),
296 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
298 def test_driver_alias(self):
299 """Test output from a device tree file with a driver alias"""
300 dtb_file = get_dtb_file('dtoc_test_driver_alias.dts')
301 output = tools.GetOutputFilename('output')
302 self.run_test(['struct'], dtb_file, output)
303 with open(output) as infile:
305 self._CheckStrings(HEADER + '''
306 struct dtd_sandbox_gpio {
307 \tconst char *\tgpio_bank_name;
308 \tbool\t\tgpio_controller;
309 \tfdt32_t\t\tsandbox_gpio_count;
313 self.run_test(['platdata'], dtb_file, output)
314 with open(output) as infile:
316 self._CheckStrings(C_HEADER + '''
317 /* Node /gpios@0 index 0 */
318 static struct dtd_sandbox_gpio dtv_gpios_at_0 = {
319 \t.gpio_bank_name\t\t= "a",
320 \t.gpio_controller\t= true,
321 \t.sandbox_gpio_count\t= 0x14,
323 U_BOOT_DEVICE(gpios_at_0) = {
324 \t.name\t\t= "sandbox_gpio",
325 \t.platdata\t= &dtv_gpios_at_0,
326 \t.platdata_size\t= sizeof(dtv_gpios_at_0),
330 void dm_populate_phandle_data(void) {
334 def test_invalid_driver(self):
335 """Test output from a device tree file with an invalid driver"""
336 dtb_file = get_dtb_file('dtoc_test_invalid_driver.dts')
337 output = tools.GetOutputFilename('output')
338 with test_util.capture_sys_output() as (stdout, stderr):
339 dtb_platdata.run_steps(['struct'], dtb_file, False, output)
340 with open(output) as infile:
342 self._CheckStrings(HEADER + '''
347 with test_util.capture_sys_output() as (stdout, stderr):
348 dtb_platdata.run_steps(['platdata'], dtb_file, False, output)
349 with open(output) as infile:
351 self._CheckStrings(C_HEADER + '''
352 /* Node /spl-test index 0 */
353 static struct dtd_invalid dtv_spl_test = {
355 U_BOOT_DEVICE(spl_test) = {
356 \t.name\t\t= "invalid",
357 \t.platdata\t= &dtv_spl_test,
358 \t.platdata_size\t= sizeof(dtv_spl_test),
362 void dm_populate_phandle_data(void) {
366 def test_phandle(self):
367 """Test output from a node containing a phandle reference"""
368 dtb_file = get_dtb_file('dtoc_test_phandle.dts')
369 output = tools.GetOutputFilename('output')
370 self.run_test(['struct'], dtb_file, output)
371 with open(output) as infile:
373 self._CheckStrings(HEADER + '''
375 \tstruct phandle_2_arg clocks[4];
382 self.run_test(['platdata'], dtb_file, output)
383 with open(output) as infile:
385 self._CheckStrings(C_HEADER + '''
386 /* Node /phandle2-target index 0 */
387 static struct dtd_target dtv_phandle2_target = {
388 \t.intval\t\t\t= 0x1,
390 U_BOOT_DEVICE(phandle2_target) = {
391 \t.name\t\t= "target",
392 \t.platdata\t= &dtv_phandle2_target,
393 \t.platdata_size\t= sizeof(dtv_phandle2_target),
397 /* Node /phandle3-target index 1 */
398 static struct dtd_target dtv_phandle3_target = {
399 \t.intval\t\t\t= 0x2,
401 U_BOOT_DEVICE(phandle3_target) = {
402 \t.name\t\t= "target",
403 \t.platdata\t= &dtv_phandle3_target,
404 \t.platdata_size\t= sizeof(dtv_phandle3_target),
408 /* Node /phandle-target index 4 */
409 static struct dtd_target dtv_phandle_target = {
410 \t.intval\t\t\t= 0x0,
412 U_BOOT_DEVICE(phandle_target) = {
413 \t.name\t\t= "target",
414 \t.platdata\t= &dtv_phandle_target,
415 \t.platdata_size\t= sizeof(dtv_phandle_target),
419 /* Node /phandle-source index 2 */
420 static struct dtd_source dtv_phandle_source = {
424 \t\t\t{NULL, {12, 13}},
427 U_BOOT_DEVICE(phandle_source) = {
428 \t.name\t\t= "source",
429 \t.platdata\t= &dtv_phandle_source,
430 \t.platdata_size\t= sizeof(dtv_phandle_source),
434 /* Node /phandle-source2 index 3 */
435 static struct dtd_source dtv_phandle_source2 = {
439 U_BOOT_DEVICE(phandle_source2) = {
440 \t.name\t\t= "source",
441 \t.platdata\t= &dtv_phandle_source2,
442 \t.platdata_size\t= sizeof(dtv_phandle_source2),
446 void dm_populate_phandle_data(void) {
447 \tdtv_phandle_source.clocks[0].node = DM_GET_DEVICE(phandle_target);
448 \tdtv_phandle_source.clocks[1].node = DM_GET_DEVICE(phandle2_target);
449 \tdtv_phandle_source.clocks[2].node = DM_GET_DEVICE(phandle3_target);
450 \tdtv_phandle_source.clocks[3].node = DM_GET_DEVICE(phandle_target);
451 \tdtv_phandle_source2.clocks[0].node = DM_GET_DEVICE(phandle_target);
455 def test_phandle_single(self):
456 """Test output from a node containing a phandle reference"""
457 dtb_file = get_dtb_file('dtoc_test_phandle_single.dts')
458 output = tools.GetOutputFilename('output')
459 self.run_test(['struct'], dtb_file, output)
460 with open(output) as infile:
462 self._CheckStrings(HEADER + '''
464 \tstruct phandle_0_arg clocks[1];
471 def test_phandle_reorder(self):
472 """Test that phandle targets are generated before their references"""
473 dtb_file = get_dtb_file('dtoc_test_phandle_reorder.dts')
474 output = tools.GetOutputFilename('output')
475 self.run_test(['platdata'], dtb_file, output)
476 with open(output) as infile:
478 self._CheckStrings(C_HEADER + '''
479 /* Node /phandle-target index 1 */
480 static struct dtd_target dtv_phandle_target = {
482 U_BOOT_DEVICE(phandle_target) = {
483 \t.name\t\t= "target",
484 \t.platdata\t= &dtv_phandle_target,
485 \t.platdata_size\t= sizeof(dtv_phandle_target),
489 /* Node /phandle-source2 index 0 */
490 static struct dtd_source dtv_phandle_source2 = {
494 U_BOOT_DEVICE(phandle_source2) = {
495 \t.name\t\t= "source",
496 \t.platdata\t= &dtv_phandle_source2,
497 \t.platdata_size\t= sizeof(dtv_phandle_source2),
501 void dm_populate_phandle_data(void) {
502 \tdtv_phandle_source2.clocks[0].node = DM_GET_DEVICE(phandle_target);
506 def test_phandle_cd_gpio(self):
507 """Test that phandle targets are generated when unsing cd-gpios"""
508 dtb_file = get_dtb_file('dtoc_test_phandle_cd_gpios.dts')
509 output = tools.GetOutputFilename('output')
510 dtb_platdata.run_steps(['platdata'], dtb_file, False, output, True)
511 with open(output) as infile:
513 self._CheckStrings(C_HEADER + '''
514 /* Node /phandle2-target index 0 */
515 static struct dtd_target dtv_phandle2_target = {
516 \t.intval\t\t\t= 0x1,
518 U_BOOT_DEVICE(phandle2_target) = {
519 \t.name\t\t= "target",
520 \t.platdata\t= &dtv_phandle2_target,
521 \t.platdata_size\t= sizeof(dtv_phandle2_target),
525 /* Node /phandle3-target index 1 */
526 static struct dtd_target dtv_phandle3_target = {
527 \t.intval\t\t\t= 0x2,
529 U_BOOT_DEVICE(phandle3_target) = {
530 \t.name\t\t= "target",
531 \t.platdata\t= &dtv_phandle3_target,
532 \t.platdata_size\t= sizeof(dtv_phandle3_target),
536 /* Node /phandle-target index 4 */
537 static struct dtd_target dtv_phandle_target = {
538 \t.intval\t\t\t= 0x0,
540 U_BOOT_DEVICE(phandle_target) = {
541 \t.name\t\t= "target",
542 \t.platdata\t= &dtv_phandle_target,
543 \t.platdata_size\t= sizeof(dtv_phandle_target),
547 /* Node /phandle-source index 2 */
548 static struct dtd_source dtv_phandle_source = {
552 \t\t\t{NULL, {12, 13}},
555 U_BOOT_DEVICE(phandle_source) = {
556 \t.name\t\t= "source",
557 \t.platdata\t= &dtv_phandle_source,
558 \t.platdata_size\t= sizeof(dtv_phandle_source),
562 /* Node /phandle-source2 index 3 */
563 static struct dtd_source dtv_phandle_source2 = {
567 U_BOOT_DEVICE(phandle_source2) = {
568 \t.name\t\t= "source",
569 \t.platdata\t= &dtv_phandle_source2,
570 \t.platdata_size\t= sizeof(dtv_phandle_source2),
574 void dm_populate_phandle_data(void) {
575 \tdtv_phandle_source.cd_gpios[0].node = DM_GET_DEVICE(phandle_target);
576 \tdtv_phandle_source.cd_gpios[1].node = DM_GET_DEVICE(phandle2_target);
577 \tdtv_phandle_source.cd_gpios[2].node = DM_GET_DEVICE(phandle3_target);
578 \tdtv_phandle_source.cd_gpios[3].node = DM_GET_DEVICE(phandle_target);
579 \tdtv_phandle_source2.cd_gpios[0].node = DM_GET_DEVICE(phandle_target);
583 def test_phandle_bad(self):
584 """Test a node containing an invalid phandle fails"""
585 dtb_file = get_dtb_file('dtoc_test_phandle_bad.dts',
587 output = tools.GetOutputFilename('output')
588 with self.assertRaises(ValueError) as e:
589 self.run_test(['struct'], dtb_file, output)
590 self.assertIn("Cannot parse 'clocks' in node 'phandle-source'",
593 def test_phandle_bad2(self):
594 """Test a phandle target missing its #*-cells property"""
595 dtb_file = get_dtb_file('dtoc_test_phandle_bad2.dts',
597 output = tools.GetOutputFilename('output')
598 with self.assertRaises(ValueError) as e:
599 self.run_test(['struct'], dtb_file, output)
600 self.assertIn("Node 'phandle-target' has no cells property",
603 def test_addresses64(self):
604 """Test output from a node with a 'reg' property with na=2, ns=2"""
605 dtb_file = get_dtb_file('dtoc_test_addr64.dts')
606 output = tools.GetOutputFilename('output')
607 self.run_test(['struct'], dtb_file, output)
608 with open(output) as infile:
610 self._CheckStrings(HEADER + '''
622 self.run_test(['platdata'], dtb_file, output)
623 with open(output) as infile:
625 self._CheckStrings(C_HEADER + '''
626 /* Node /test1 index 0 */
627 static struct dtd_test1 dtv_test1 = {
628 \t.reg\t\t\t= {0x1234, 0x5678},
630 U_BOOT_DEVICE(test1) = {
631 \t.name\t\t= "test1",
632 \t.platdata\t= &dtv_test1,
633 \t.platdata_size\t= sizeof(dtv_test1),
637 /* Node /test2 index 1 */
638 static struct dtd_test2 dtv_test2 = {
639 \t.reg\t\t\t= {0x1234567890123456, 0x9876543210987654},
641 U_BOOT_DEVICE(test2) = {
642 \t.name\t\t= "test2",
643 \t.platdata\t= &dtv_test2,
644 \t.platdata_size\t= sizeof(dtv_test2),
648 /* Node /test3 index 2 */
649 static struct dtd_test3 dtv_test3 = {
650 \t.reg\t\t\t= {0x1234567890123456, 0x9876543210987654, 0x2, 0x3},
652 U_BOOT_DEVICE(test3) = {
653 \t.name\t\t= "test3",
654 \t.platdata\t= &dtv_test3,
655 \t.platdata_size\t= sizeof(dtv_test3),
659 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
661 def test_addresses32(self):
662 """Test output from a node with a 'reg' property with na=1, ns=1"""
663 dtb_file = get_dtb_file('dtoc_test_addr32.dts')
664 output = tools.GetOutputFilename('output')
665 self.run_test(['struct'], dtb_file, output)
666 with open(output) as infile:
668 self._CheckStrings(HEADER + '''
677 self.run_test(['platdata'], dtb_file, output)
678 with open(output) as infile:
680 self._CheckStrings(C_HEADER + '''
681 /* Node /test1 index 0 */
682 static struct dtd_test1 dtv_test1 = {
683 \t.reg\t\t\t= {0x1234, 0x5678},
685 U_BOOT_DEVICE(test1) = {
686 \t.name\t\t= "test1",
687 \t.platdata\t= &dtv_test1,
688 \t.platdata_size\t= sizeof(dtv_test1),
692 /* Node /test2 index 1 */
693 static struct dtd_test2 dtv_test2 = {
694 \t.reg\t\t\t= {0x12345678, 0x98765432, 0x2, 0x3},
696 U_BOOT_DEVICE(test2) = {
697 \t.name\t\t= "test2",
698 \t.platdata\t= &dtv_test2,
699 \t.platdata_size\t= sizeof(dtv_test2),
703 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
705 def test_addresses64_32(self):
706 """Test output from a node with a 'reg' property with na=2, ns=1"""
707 dtb_file = get_dtb_file('dtoc_test_addr64_32.dts')
708 output = tools.GetOutputFilename('output')
709 self.run_test(['struct'], dtb_file, output)
710 with open(output) as infile:
712 self._CheckStrings(HEADER + '''
724 self.run_test(['platdata'], dtb_file, output)
725 with open(output) as infile:
727 self._CheckStrings(C_HEADER + '''
728 /* Node /test1 index 0 */
729 static struct dtd_test1 dtv_test1 = {
730 \t.reg\t\t\t= {0x123400000000, 0x5678},
732 U_BOOT_DEVICE(test1) = {
733 \t.name\t\t= "test1",
734 \t.platdata\t= &dtv_test1,
735 \t.platdata_size\t= sizeof(dtv_test1),
739 /* Node /test2 index 1 */
740 static struct dtd_test2 dtv_test2 = {
741 \t.reg\t\t\t= {0x1234567890123456, 0x98765432},
743 U_BOOT_DEVICE(test2) = {
744 \t.name\t\t= "test2",
745 \t.platdata\t= &dtv_test2,
746 \t.platdata_size\t= sizeof(dtv_test2),
750 /* Node /test3 index 2 */
751 static struct dtd_test3 dtv_test3 = {
752 \t.reg\t\t\t= {0x1234567890123456, 0x98765432, 0x2, 0x3},
754 U_BOOT_DEVICE(test3) = {
755 \t.name\t\t= "test3",
756 \t.platdata\t= &dtv_test3,
757 \t.platdata_size\t= sizeof(dtv_test3),
761 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
763 def test_addresses32_64(self):
764 """Test output from a node with a 'reg' property with na=1, ns=2"""
765 dtb_file = get_dtb_file('dtoc_test_addr32_64.dts')
766 output = tools.GetOutputFilename('output')
767 self.run_test(['struct'], dtb_file, output)
768 with open(output) as infile:
770 self._CheckStrings(HEADER + '''
782 self.run_test(['platdata'], dtb_file, output)
783 with open(output) as infile:
785 self._CheckStrings(C_HEADER + '''
786 /* Node /test1 index 0 */
787 static struct dtd_test1 dtv_test1 = {
788 \t.reg\t\t\t= {0x1234, 0x567800000000},
790 U_BOOT_DEVICE(test1) = {
791 \t.name\t\t= "test1",
792 \t.platdata\t= &dtv_test1,
793 \t.platdata_size\t= sizeof(dtv_test1),
797 /* Node /test2 index 1 */
798 static struct dtd_test2 dtv_test2 = {
799 \t.reg\t\t\t= {0x12345678, 0x9876543210987654},
801 U_BOOT_DEVICE(test2) = {
802 \t.name\t\t= "test2",
803 \t.platdata\t= &dtv_test2,
804 \t.platdata_size\t= sizeof(dtv_test2),
808 /* Node /test3 index 2 */
809 static struct dtd_test3 dtv_test3 = {
810 \t.reg\t\t\t= {0x12345678, 0x9876543210987654, 0x2, 0x3},
812 U_BOOT_DEVICE(test3) = {
813 \t.name\t\t= "test3",
814 \t.platdata\t= &dtv_test3,
815 \t.platdata_size\t= sizeof(dtv_test3),
819 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
821 def test_bad_reg(self):
822 """Test that a reg property with an invalid type generates an error"""
823 # Capture stderr since dtc will emit warnings for this file
824 dtb_file = get_dtb_file('dtoc_test_bad_reg.dts', capture_stderr=True)
825 output = tools.GetOutputFilename('output')
826 with self.assertRaises(ValueError) as e:
827 self.run_test(['struct'], dtb_file, output)
828 self.assertIn("Node 'spl-test' reg property is not an int",
831 def test_bad_reg2(self):
832 """Test that a reg property with an invalid cell count is detected"""
833 # Capture stderr since dtc will emit warnings for this file
834 dtb_file = get_dtb_file('dtoc_test_bad_reg2.dts', capture_stderr=True)
835 output = tools.GetOutputFilename('output')
836 with self.assertRaises(ValueError) as e:
837 self.run_test(['struct'], dtb_file, output)
838 self.assertIn("Node 'spl-test' reg property has 3 cells which is not a multiple of na + ns = 1 + 1)",
841 def test_add_prop(self):
842 """Test that a subequent node can add a new property to a struct"""
843 dtb_file = get_dtb_file('dtoc_test_add_prop.dts')
844 output = tools.GetOutputFilename('output')
845 self.run_test(['struct'], dtb_file, output)
846 with open(output) as infile:
848 self._CheckStrings(HEADER + '''
849 struct dtd_sandbox_spl_test {
850 \tfdt32_t\t\tintarray;
855 self.run_test(['platdata'], dtb_file, output)
856 with open(output) as infile:
858 self._CheckStrings(C_HEADER + '''
859 /* Node /spl-test index 0 */
860 static struct dtd_sandbox_spl_test dtv_spl_test = {
861 \t.intval\t\t\t= 0x1,
863 U_BOOT_DEVICE(spl_test) = {
864 \t.name\t\t= "sandbox_spl_test",
865 \t.platdata\t= &dtv_spl_test,
866 \t.platdata_size\t= sizeof(dtv_spl_test),
870 /* Node /spl-test2 index 1 */
871 static struct dtd_sandbox_spl_test dtv_spl_test2 = {
872 \t.intarray\t\t= 0x5,
874 U_BOOT_DEVICE(spl_test2) = {
875 \t.name\t\t= "sandbox_spl_test",
876 \t.platdata\t= &dtv_spl_test2,
877 \t.platdata_size\t= sizeof(dtv_spl_test2),
881 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
883 def testStdout(self):
884 """Test output to stdout"""
885 dtb_file = get_dtb_file('dtoc_test_simple.dts')
886 with test_util.capture_sys_output() as (stdout, stderr):
887 self.run_test(['struct'], dtb_file, '-')
889 def testNoCommand(self):
890 """Test running dtoc without a command"""
891 with self.assertRaises(ValueError) as e:
892 self.run_test([], '', '')
893 self.assertIn("Please specify a command: struct, platdata",
896 def testBadCommand(self):
897 """Test running dtoc with an invalid command"""
898 dtb_file = get_dtb_file('dtoc_test_simple.dts')
899 output = tools.GetOutputFilename('output')
900 with self.assertRaises(ValueError) as e:
901 self.run_test(['invalid-cmd'], dtb_file, output)
902 self.assertIn("Unknown command 'invalid-cmd': (use: struct, platdata)",
905 def testScanDrivers(self):
906 """Test running dtoc with additional drivers to scan"""
907 dtb_file = get_dtb_file('dtoc_test_simple.dts')
908 output = tools.GetOutputFilename('output')
909 with test_util.capture_sys_output() as (stdout, stderr):
910 dtb_platdata.run_steps(['struct'], dtb_file, False, output, True,
911 [None, '', 'tools/dtoc/dtoc_test_scan_drivers.cxx'])
913 def testUnicodeError(self):
914 """Test running dtoc with an invalid unicode file
916 To be able to perform this test without adding a weird text file which
917 would produce issues when using checkpatch.pl or patman, generate the
918 file at runtime and then process it.
920 dtb_file = get_dtb_file('dtoc_test_simple.dts')
921 output = tools.GetOutputFilename('output')
922 driver_fn = '/tmp/' + next(tempfile._get_candidate_names())
923 with open(driver_fn, 'wb+') as df:
926 with test_util.capture_sys_output() as (stdout, stderr):
927 dtb_platdata.run_steps(['struct'], dtb_file, False, output, True,