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, 0xa, 0xb, 0xc, 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.longbytearray\t\t= {0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x10,
273 \t.stringarray\t\t= {"one", "", ""},
275 U_BOOT_DEVICE(spl_test3) = {
276 \t.name\t\t= "sandbox_spl_test",
277 \t.platdata\t= &dtv_spl_test3,
278 \t.platdata_size\t= sizeof(dtv_spl_test3),
281 /* Node /spl-test4 index 5 */
282 static struct dtd_sandbox_spl_test_2 dtv_spl_test4 = {
284 U_BOOT_DEVICE(spl_test4) = {
285 \t.name\t\t= "sandbox_spl_test_2",
286 \t.platdata\t= &dtv_spl_test4,
287 \t.platdata_size\t= sizeof(dtv_spl_test4),
290 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
292 def test_driver_alias(self):
293 """Test output from a device tree file with a driver alias"""
294 dtb_file = get_dtb_file('dtoc_test_driver_alias.dts')
295 output = tools.GetOutputFilename('output')
296 self.run_test(['struct'], dtb_file, output)
297 with open(output) as infile:
299 self._CheckStrings(HEADER + '''
300 struct dtd_sandbox_gpio {
301 \tconst char *\tgpio_bank_name;
302 \tbool\t\tgpio_controller;
303 \tfdt32_t\t\tsandbox_gpio_count;
307 self.run_test(['platdata'], dtb_file, output)
308 with open(output) as infile:
310 self._CheckStrings(C_HEADER + '''
311 /* Node /gpios@0 index 0 */
312 static struct dtd_sandbox_gpio dtv_gpios_at_0 = {
313 \t.gpio_bank_name\t\t= "a",
314 \t.gpio_controller\t= true,
315 \t.sandbox_gpio_count\t= 0x14,
317 U_BOOT_DEVICE(gpios_at_0) = {
318 \t.name\t\t= "sandbox_gpio",
319 \t.platdata\t= &dtv_gpios_at_0,
320 \t.platdata_size\t= sizeof(dtv_gpios_at_0),
323 void dm_populate_phandle_data(void) {
327 def test_invalid_driver(self):
328 """Test output from a device tree file with an invalid driver"""
329 dtb_file = get_dtb_file('dtoc_test_invalid_driver.dts')
330 output = tools.GetOutputFilename('output')
331 with test_util.capture_sys_output() as (stdout, stderr):
332 dtb_platdata.run_steps(['struct'], dtb_file, False, output)
333 with open(output) as infile:
335 self._CheckStrings(HEADER + '''
340 with test_util.capture_sys_output() as (stdout, stderr):
341 dtb_platdata.run_steps(['platdata'], dtb_file, False, output)
342 with open(output) as infile:
344 self._CheckStrings(C_HEADER + '''
345 /* Node /spl-test index 0 */
346 static struct dtd_invalid dtv_spl_test = {
348 U_BOOT_DEVICE(spl_test) = {
349 \t.name\t\t= "invalid",
350 \t.platdata\t= &dtv_spl_test,
351 \t.platdata_size\t= sizeof(dtv_spl_test),
354 void dm_populate_phandle_data(void) {
358 def test_phandle(self):
359 """Test output from a node containing a phandle reference"""
360 dtb_file = get_dtb_file('dtoc_test_phandle.dts')
361 output = tools.GetOutputFilename('output')
362 self.run_test(['struct'], dtb_file, output)
363 with open(output) as infile:
365 self._CheckStrings(HEADER + '''
367 \tstruct phandle_2_arg clocks[4];
374 self.run_test(['platdata'], dtb_file, output)
375 with open(output) as infile:
377 self._CheckStrings(C_HEADER + '''
378 /* Node /phandle2-target index 0 */
379 static struct dtd_target dtv_phandle2_target = {
380 \t.intval\t\t\t= 0x1,
382 U_BOOT_DEVICE(phandle2_target) = {
383 \t.name\t\t= "target",
384 \t.platdata\t= &dtv_phandle2_target,
385 \t.platdata_size\t= sizeof(dtv_phandle2_target),
388 /* Node /phandle3-target index 1 */
389 static struct dtd_target dtv_phandle3_target = {
390 \t.intval\t\t\t= 0x2,
392 U_BOOT_DEVICE(phandle3_target) = {
393 \t.name\t\t= "target",
394 \t.platdata\t= &dtv_phandle3_target,
395 \t.platdata_size\t= sizeof(dtv_phandle3_target),
398 /* Node /phandle-target index 4 */
399 static struct dtd_target dtv_phandle_target = {
400 \t.intval\t\t\t= 0x0,
402 U_BOOT_DEVICE(phandle_target) = {
403 \t.name\t\t= "target",
404 \t.platdata\t= &dtv_phandle_target,
405 \t.platdata_size\t= sizeof(dtv_phandle_target),
408 /* Node /phandle-source index 2 */
409 static struct dtd_source dtv_phandle_source = {
413 \t\t\t{NULL, {12, 13}},
416 U_BOOT_DEVICE(phandle_source) = {
417 \t.name\t\t= "source",
418 \t.platdata\t= &dtv_phandle_source,
419 \t.platdata_size\t= sizeof(dtv_phandle_source),
422 /* Node /phandle-source2 index 3 */
423 static struct dtd_source dtv_phandle_source2 = {
427 U_BOOT_DEVICE(phandle_source2) = {
428 \t.name\t\t= "source",
429 \t.platdata\t= &dtv_phandle_source2,
430 \t.platdata_size\t= sizeof(dtv_phandle_source2),
433 void dm_populate_phandle_data(void) {
434 \tdtv_phandle_source.clocks[0].node = DM_GET_DEVICE(phandle_target);
435 \tdtv_phandle_source.clocks[1].node = DM_GET_DEVICE(phandle2_target);
436 \tdtv_phandle_source.clocks[2].node = DM_GET_DEVICE(phandle3_target);
437 \tdtv_phandle_source.clocks[3].node = DM_GET_DEVICE(phandle_target);
438 \tdtv_phandle_source2.clocks[0].node = DM_GET_DEVICE(phandle_target);
442 def test_phandle_single(self):
443 """Test output from a node containing a phandle reference"""
444 dtb_file = get_dtb_file('dtoc_test_phandle_single.dts')
445 output = tools.GetOutputFilename('output')
446 self.run_test(['struct'], dtb_file, output)
447 with open(output) as infile:
449 self._CheckStrings(HEADER + '''
451 \tstruct phandle_0_arg clocks[1];
458 def test_phandle_reorder(self):
459 """Test that phandle targets are generated before their references"""
460 dtb_file = get_dtb_file('dtoc_test_phandle_reorder.dts')
461 output = tools.GetOutputFilename('output')
462 self.run_test(['platdata'], dtb_file, output)
463 with open(output) as infile:
465 self._CheckStrings(C_HEADER + '''
466 /* Node /phandle-target index 1 */
467 static struct dtd_target dtv_phandle_target = {
469 U_BOOT_DEVICE(phandle_target) = {
470 \t.name\t\t= "target",
471 \t.platdata\t= &dtv_phandle_target,
472 \t.platdata_size\t= sizeof(dtv_phandle_target),
475 /* Node /phandle-source2 index 0 */
476 static struct dtd_source dtv_phandle_source2 = {
480 U_BOOT_DEVICE(phandle_source2) = {
481 \t.name\t\t= "source",
482 \t.platdata\t= &dtv_phandle_source2,
483 \t.platdata_size\t= sizeof(dtv_phandle_source2),
486 void dm_populate_phandle_data(void) {
487 \tdtv_phandle_source2.clocks[0].node = DM_GET_DEVICE(phandle_target);
491 def test_phandle_cd_gpio(self):
492 """Test that phandle targets are generated when unsing cd-gpios"""
493 dtb_file = get_dtb_file('dtoc_test_phandle_cd_gpios.dts')
494 output = tools.GetOutputFilename('output')
495 dtb_platdata.run_steps(['platdata'], dtb_file, False, output, True)
496 with open(output) as infile:
498 self._CheckStrings(C_HEADER + '''
499 /* Node /phandle2-target index 0 */
500 static struct dtd_target dtv_phandle2_target = {
501 \t.intval\t\t\t= 0x1,
503 U_BOOT_DEVICE(phandle2_target) = {
504 \t.name\t\t= "target",
505 \t.platdata\t= &dtv_phandle2_target,
506 \t.platdata_size\t= sizeof(dtv_phandle2_target),
509 /* Node /phandle3-target index 1 */
510 static struct dtd_target dtv_phandle3_target = {
511 \t.intval\t\t\t= 0x2,
513 U_BOOT_DEVICE(phandle3_target) = {
514 \t.name\t\t= "target",
515 \t.platdata\t= &dtv_phandle3_target,
516 \t.platdata_size\t= sizeof(dtv_phandle3_target),
519 /* Node /phandle-target index 4 */
520 static struct dtd_target dtv_phandle_target = {
521 \t.intval\t\t\t= 0x0,
523 U_BOOT_DEVICE(phandle_target) = {
524 \t.name\t\t= "target",
525 \t.platdata\t= &dtv_phandle_target,
526 \t.platdata_size\t= sizeof(dtv_phandle_target),
529 /* Node /phandle-source index 2 */
530 static struct dtd_source dtv_phandle_source = {
534 \t\t\t{NULL, {12, 13}},
537 U_BOOT_DEVICE(phandle_source) = {
538 \t.name\t\t= "source",
539 \t.platdata\t= &dtv_phandle_source,
540 \t.platdata_size\t= sizeof(dtv_phandle_source),
543 /* Node /phandle-source2 index 3 */
544 static struct dtd_source dtv_phandle_source2 = {
548 U_BOOT_DEVICE(phandle_source2) = {
549 \t.name\t\t= "source",
550 \t.platdata\t= &dtv_phandle_source2,
551 \t.platdata_size\t= sizeof(dtv_phandle_source2),
554 void dm_populate_phandle_data(void) {
555 \tdtv_phandle_source.cd_gpios[0].node = DM_GET_DEVICE(phandle_target);
556 \tdtv_phandle_source.cd_gpios[1].node = DM_GET_DEVICE(phandle2_target);
557 \tdtv_phandle_source.cd_gpios[2].node = DM_GET_DEVICE(phandle3_target);
558 \tdtv_phandle_source.cd_gpios[3].node = DM_GET_DEVICE(phandle_target);
559 \tdtv_phandle_source2.cd_gpios[0].node = DM_GET_DEVICE(phandle_target);
563 def test_phandle_bad(self):
564 """Test a node containing an invalid phandle fails"""
565 dtb_file = get_dtb_file('dtoc_test_phandle_bad.dts',
567 output = tools.GetOutputFilename('output')
568 with self.assertRaises(ValueError) as e:
569 self.run_test(['struct'], dtb_file, output)
570 self.assertIn("Cannot parse 'clocks' in node 'phandle-source'",
573 def test_phandle_bad2(self):
574 """Test a phandle target missing its #*-cells property"""
575 dtb_file = get_dtb_file('dtoc_test_phandle_bad2.dts',
577 output = tools.GetOutputFilename('output')
578 with self.assertRaises(ValueError) as e:
579 self.run_test(['struct'], dtb_file, output)
580 self.assertIn("Node 'phandle-target' has no cells property",
583 def test_addresses64(self):
584 """Test output from a node with a 'reg' property with na=2, ns=2"""
585 dtb_file = get_dtb_file('dtoc_test_addr64.dts')
586 output = tools.GetOutputFilename('output')
587 self.run_test(['struct'], dtb_file, output)
588 with open(output) as infile:
590 self._CheckStrings(HEADER + '''
602 self.run_test(['platdata'], dtb_file, output)
603 with open(output) as infile:
605 self._CheckStrings(C_HEADER + '''
606 /* Node /test1 index 0 */
607 static struct dtd_test1 dtv_test1 = {
608 \t.reg\t\t\t= {0x1234, 0x5678},
610 U_BOOT_DEVICE(test1) = {
611 \t.name\t\t= "test1",
612 \t.platdata\t= &dtv_test1,
613 \t.platdata_size\t= sizeof(dtv_test1),
616 /* Node /test2 index 1 */
617 static struct dtd_test2 dtv_test2 = {
618 \t.reg\t\t\t= {0x1234567890123456, 0x9876543210987654},
620 U_BOOT_DEVICE(test2) = {
621 \t.name\t\t= "test2",
622 \t.platdata\t= &dtv_test2,
623 \t.platdata_size\t= sizeof(dtv_test2),
626 /* Node /test3 index 2 */
627 static struct dtd_test3 dtv_test3 = {
628 \t.reg\t\t\t= {0x1234567890123456, 0x9876543210987654, 0x2, 0x3},
630 U_BOOT_DEVICE(test3) = {
631 \t.name\t\t= "test3",
632 \t.platdata\t= &dtv_test3,
633 \t.platdata_size\t= sizeof(dtv_test3),
636 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
638 def test_addresses32(self):
639 """Test output from a node with a 'reg' property with na=1, ns=1"""
640 dtb_file = get_dtb_file('dtoc_test_addr32.dts')
641 output = tools.GetOutputFilename('output')
642 self.run_test(['struct'], dtb_file, output)
643 with open(output) as infile:
645 self._CheckStrings(HEADER + '''
654 self.run_test(['platdata'], dtb_file, output)
655 with open(output) as infile:
657 self._CheckStrings(C_HEADER + '''
658 /* Node /test1 index 0 */
659 static struct dtd_test1 dtv_test1 = {
660 \t.reg\t\t\t= {0x1234, 0x5678},
662 U_BOOT_DEVICE(test1) = {
663 \t.name\t\t= "test1",
664 \t.platdata\t= &dtv_test1,
665 \t.platdata_size\t= sizeof(dtv_test1),
668 /* Node /test2 index 1 */
669 static struct dtd_test2 dtv_test2 = {
670 \t.reg\t\t\t= {0x12345678, 0x98765432, 0x2, 0x3},
672 U_BOOT_DEVICE(test2) = {
673 \t.name\t\t= "test2",
674 \t.platdata\t= &dtv_test2,
675 \t.platdata_size\t= sizeof(dtv_test2),
678 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
680 def test_addresses64_32(self):
681 """Test output from a node with a 'reg' property with na=2, ns=1"""
682 dtb_file = get_dtb_file('dtoc_test_addr64_32.dts')
683 output = tools.GetOutputFilename('output')
684 self.run_test(['struct'], dtb_file, output)
685 with open(output) as infile:
687 self._CheckStrings(HEADER + '''
699 self.run_test(['platdata'], dtb_file, output)
700 with open(output) as infile:
702 self._CheckStrings(C_HEADER + '''
703 /* Node /test1 index 0 */
704 static struct dtd_test1 dtv_test1 = {
705 \t.reg\t\t\t= {0x123400000000, 0x5678},
707 U_BOOT_DEVICE(test1) = {
708 \t.name\t\t= "test1",
709 \t.platdata\t= &dtv_test1,
710 \t.platdata_size\t= sizeof(dtv_test1),
713 /* Node /test2 index 1 */
714 static struct dtd_test2 dtv_test2 = {
715 \t.reg\t\t\t= {0x1234567890123456, 0x98765432},
717 U_BOOT_DEVICE(test2) = {
718 \t.name\t\t= "test2",
719 \t.platdata\t= &dtv_test2,
720 \t.platdata_size\t= sizeof(dtv_test2),
723 /* Node /test3 index 2 */
724 static struct dtd_test3 dtv_test3 = {
725 \t.reg\t\t\t= {0x1234567890123456, 0x98765432, 0x2, 0x3},
727 U_BOOT_DEVICE(test3) = {
728 \t.name\t\t= "test3",
729 \t.platdata\t= &dtv_test3,
730 \t.platdata_size\t= sizeof(dtv_test3),
733 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
735 def test_addresses32_64(self):
736 """Test output from a node with a 'reg' property with na=1, ns=2"""
737 dtb_file = get_dtb_file('dtoc_test_addr32_64.dts')
738 output = tools.GetOutputFilename('output')
739 self.run_test(['struct'], dtb_file, output)
740 with open(output) as infile:
742 self._CheckStrings(HEADER + '''
754 self.run_test(['platdata'], dtb_file, output)
755 with open(output) as infile:
757 self._CheckStrings(C_HEADER + '''
758 /* Node /test1 index 0 */
759 static struct dtd_test1 dtv_test1 = {
760 \t.reg\t\t\t= {0x1234, 0x567800000000},
762 U_BOOT_DEVICE(test1) = {
763 \t.name\t\t= "test1",
764 \t.platdata\t= &dtv_test1,
765 \t.platdata_size\t= sizeof(dtv_test1),
768 /* Node /test2 index 1 */
769 static struct dtd_test2 dtv_test2 = {
770 \t.reg\t\t\t= {0x12345678, 0x9876543210987654},
772 U_BOOT_DEVICE(test2) = {
773 \t.name\t\t= "test2",
774 \t.platdata\t= &dtv_test2,
775 \t.platdata_size\t= sizeof(dtv_test2),
778 /* Node /test3 index 2 */
779 static struct dtd_test3 dtv_test3 = {
780 \t.reg\t\t\t= {0x12345678, 0x9876543210987654, 0x2, 0x3},
782 U_BOOT_DEVICE(test3) = {
783 \t.name\t\t= "test3",
784 \t.platdata\t= &dtv_test3,
785 \t.platdata_size\t= sizeof(dtv_test3),
788 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
790 def test_bad_reg(self):
791 """Test that a reg property with an invalid type generates an error"""
792 # Capture stderr since dtc will emit warnings for this file
793 dtb_file = get_dtb_file('dtoc_test_bad_reg.dts', capture_stderr=True)
794 output = tools.GetOutputFilename('output')
795 with self.assertRaises(ValueError) as e:
796 self.run_test(['struct'], dtb_file, output)
797 self.assertIn("Node 'spl-test' reg property is not an int",
800 def test_bad_reg2(self):
801 """Test that a reg property with an invalid cell count is detected"""
802 # Capture stderr since dtc will emit warnings for this file
803 dtb_file = get_dtb_file('dtoc_test_bad_reg2.dts', capture_stderr=True)
804 output = tools.GetOutputFilename('output')
805 with self.assertRaises(ValueError) as e:
806 self.run_test(['struct'], dtb_file, output)
807 self.assertIn("Node 'spl-test' reg property has 3 cells which is not a multiple of na + ns = 1 + 1)",
810 def test_add_prop(self):
811 """Test that a subequent node can add a new property to a struct"""
812 dtb_file = get_dtb_file('dtoc_test_add_prop.dts')
813 output = tools.GetOutputFilename('output')
814 self.run_test(['struct'], dtb_file, output)
815 with open(output) as infile:
817 self._CheckStrings(HEADER + '''
818 struct dtd_sandbox_spl_test {
819 \tfdt32_t\t\tintarray;
824 self.run_test(['platdata'], dtb_file, output)
825 with open(output) as infile:
827 self._CheckStrings(C_HEADER + '''
828 /* Node /spl-test index 0 */
829 static struct dtd_sandbox_spl_test dtv_spl_test = {
830 \t.intval\t\t\t= 0x1,
832 U_BOOT_DEVICE(spl_test) = {
833 \t.name\t\t= "sandbox_spl_test",
834 \t.platdata\t= &dtv_spl_test,
835 \t.platdata_size\t= sizeof(dtv_spl_test),
838 /* Node /spl-test2 index 1 */
839 static struct dtd_sandbox_spl_test dtv_spl_test2 = {
840 \t.intarray\t\t= 0x5,
842 U_BOOT_DEVICE(spl_test2) = {
843 \t.name\t\t= "sandbox_spl_test",
844 \t.platdata\t= &dtv_spl_test2,
845 \t.platdata_size\t= sizeof(dtv_spl_test2),
848 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
850 def testStdout(self):
851 """Test output to stdout"""
852 dtb_file = get_dtb_file('dtoc_test_simple.dts')
853 with test_util.capture_sys_output() as (stdout, stderr):
854 self.run_test(['struct'], dtb_file, '-')
856 def testNoCommand(self):
857 """Test running dtoc without a command"""
858 with self.assertRaises(ValueError) as e:
859 self.run_test([], '', '')
860 self.assertIn("Please specify a command: struct, platdata",
863 def testBadCommand(self):
864 """Test running dtoc with an invalid command"""
865 dtb_file = get_dtb_file('dtoc_test_simple.dts')
866 output = tools.GetOutputFilename('output')
867 with self.assertRaises(ValueError) as e:
868 self.run_test(['invalid-cmd'], dtb_file, output)
869 self.assertIn("Unknown command 'invalid-cmd': (use: struct, platdata)",
872 def testScanDrivers(self):
873 """Test running dtoc with additional drivers to scan"""
874 dtb_file = get_dtb_file('dtoc_test_simple.dts')
875 output = tools.GetOutputFilename('output')
876 with test_util.capture_sys_output() as (stdout, stderr):
877 dtb_platdata.run_steps(['struct'], dtb_file, False, output, True,
878 [None, '', 'tools/dtoc/dtoc_test_scan_drivers.cxx'])
880 def testUnicodeError(self):
881 """Test running dtoc with an invalid unicode file
883 To be able to perform this test without adding a weird text file which
884 would produce issues when using checkpatch.pl or patman, generate the
885 file at runtime and then process it.
887 dtb_file = get_dtb_file('dtoc_test_simple.dts')
888 output = tools.GetOutputFilename('output')
889 driver_fn = '/tmp/' + next(tempfile._get_candidate_names())
890 with open(driver_fn, 'wb+') as df:
893 with test_util.capture_sys_output() as (stdout, stderr):
894 dtb_platdata.run_steps(['struct'], dtb_file, False, output, True,