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 static struct dtd_sandbox_spl_test dtv_spl_test = {
213 \t.boolval\t\t= true,
214 \t.bytearray\t\t= {0x6, 0x0, 0x0},
216 \t.intarray\t\t= {0x2, 0x3, 0x4, 0x0},
217 \t.intval\t\t\t= 0x1,
218 \t.longbytearray\t\t= {0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x10,
220 \t.notstring\t\t= {0x20, 0x21, 0x22, 0x10, 0x0},
221 \t.stringarray\t\t= {"multi-word", "message", ""},
222 \t.stringval\t\t= "message",
224 U_BOOT_DEVICE(spl_test) = {
225 \t.name\t\t= "sandbox_spl_test",
226 \t.platdata\t= &dtv_spl_test,
227 \t.platdata_size\t= sizeof(dtv_spl_test),
230 static struct dtd_sandbox_spl_test dtv_spl_test2 = {
231 \t.acpi_name\t\t= "\\\\_SB.GPO0",
232 \t.bytearray\t\t= {0x1, 0x23, 0x34},
234 \t.intarray\t\t= {0x5, 0x0, 0x0, 0x0},
235 \t.intval\t\t\t= 0x3,
236 \t.longbytearray\t\t= {0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
238 \t.stringarray\t\t= {"another", "multi-word", "message"},
239 \t.stringval\t\t= "message2",
241 U_BOOT_DEVICE(spl_test2) = {
242 \t.name\t\t= "sandbox_spl_test",
243 \t.platdata\t= &dtv_spl_test2,
244 \t.platdata_size\t= sizeof(dtv_spl_test2),
247 static struct dtd_sandbox_spl_test dtv_spl_test3 = {
248 \t.stringarray\t\t= {"one", "", ""},
250 U_BOOT_DEVICE(spl_test3) = {
251 \t.name\t\t= "sandbox_spl_test",
252 \t.platdata\t= &dtv_spl_test3,
253 \t.platdata_size\t= sizeof(dtv_spl_test3),
256 static struct dtd_sandbox_spl_test_2 dtv_spl_test4 = {
258 U_BOOT_DEVICE(spl_test4) = {
259 \t.name\t\t= "sandbox_spl_test_2",
260 \t.platdata\t= &dtv_spl_test4,
261 \t.platdata_size\t= sizeof(dtv_spl_test4),
264 static struct dtd_sandbox_i2c_test dtv_i2c_at_0 = {
266 U_BOOT_DEVICE(i2c_at_0) = {
267 \t.name\t\t= "sandbox_i2c_test",
268 \t.platdata\t= &dtv_i2c_at_0,
269 \t.platdata_size\t= sizeof(dtv_i2c_at_0),
272 static struct dtd_sandbox_pmic_test dtv_pmic_at_9 = {
273 \t.low_power\t\t= true,
274 \t.reg\t\t\t= {0x9, 0x0},
276 U_BOOT_DEVICE(pmic_at_9) = {
277 \t.name\t\t= "sandbox_pmic_test",
278 \t.platdata\t= &dtv_pmic_at_9,
279 \t.platdata_size\t= sizeof(dtv_pmic_at_9),
282 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
284 def test_driver_alias(self):
285 """Test output from a device tree file with a driver alias"""
286 dtb_file = get_dtb_file('dtoc_test_driver_alias.dts')
287 output = tools.GetOutputFilename('output')
288 self.run_test(['struct'], dtb_file, output)
289 with open(output) as infile:
291 self._CheckStrings(HEADER + '''
292 struct dtd_sandbox_gpio {
293 \tconst char *\tgpio_bank_name;
294 \tbool\t\tgpio_controller;
295 \tfdt32_t\t\tsandbox_gpio_count;
299 self.run_test(['platdata'], dtb_file, output)
300 with open(output) as infile:
302 self._CheckStrings(C_HEADER + '''
303 static struct dtd_sandbox_gpio dtv_gpios_at_0 = {
304 \t.gpio_bank_name\t\t= "a",
305 \t.gpio_controller\t= true,
306 \t.sandbox_gpio_count\t= 0x14,
308 U_BOOT_DEVICE(gpios_at_0) = {
309 \t.name\t\t= "sandbox_gpio",
310 \t.platdata\t= &dtv_gpios_at_0,
311 \t.platdata_size\t= sizeof(dtv_gpios_at_0),
314 void dm_populate_phandle_data(void) {
318 def test_invalid_driver(self):
319 """Test output from a device tree file with an invalid driver"""
320 dtb_file = get_dtb_file('dtoc_test_invalid_driver.dts')
321 output = tools.GetOutputFilename('output')
322 with test_util.capture_sys_output() as (stdout, stderr):
323 dtb_platdata.run_steps(['struct'], dtb_file, False, output)
324 with open(output) as infile:
326 self._CheckStrings(HEADER + '''
331 with test_util.capture_sys_output() as (stdout, stderr):
332 dtb_platdata.run_steps(['platdata'], dtb_file, False, output)
333 with open(output) as infile:
335 self._CheckStrings(C_HEADER + '''
336 static struct dtd_invalid dtv_spl_test = {
338 U_BOOT_DEVICE(spl_test) = {
339 \t.name\t\t= "invalid",
340 \t.platdata\t= &dtv_spl_test,
341 \t.platdata_size\t= sizeof(dtv_spl_test),
344 void dm_populate_phandle_data(void) {
348 def test_phandle(self):
349 """Test output from a node containing a phandle reference"""
350 dtb_file = get_dtb_file('dtoc_test_phandle.dts')
351 output = tools.GetOutputFilename('output')
352 self.run_test(['struct'], dtb_file, output)
353 with open(output) as infile:
355 self._CheckStrings(HEADER + '''
357 \tstruct phandle_2_arg clocks[4];
364 self.run_test(['platdata'], dtb_file, output)
365 with open(output) as infile:
367 self._CheckStrings(C_HEADER + '''
368 static struct dtd_target dtv_phandle_target = {
369 \t.intval\t\t\t= 0x0,
371 U_BOOT_DEVICE(phandle_target) = {
372 \t.name\t\t= "target",
373 \t.platdata\t= &dtv_phandle_target,
374 \t.platdata_size\t= sizeof(dtv_phandle_target),
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 static struct dtd_target dtv_phandle3_target = {
387 \t.intval\t\t\t= 0x2,
389 U_BOOT_DEVICE(phandle3_target) = {
390 \t.name\t\t= "target",
391 \t.platdata\t= &dtv_phandle3_target,
392 \t.platdata_size\t= sizeof(dtv_phandle3_target),
395 static struct dtd_source dtv_phandle_source = {
399 \t\t\t{NULL, {12, 13}},
402 U_BOOT_DEVICE(phandle_source) = {
403 \t.name\t\t= "source",
404 \t.platdata\t= &dtv_phandle_source,
405 \t.platdata_size\t= sizeof(dtv_phandle_source),
408 static struct dtd_source dtv_phandle_source2 = {
412 U_BOOT_DEVICE(phandle_source2) = {
413 \t.name\t\t= "source",
414 \t.platdata\t= &dtv_phandle_source2,
415 \t.platdata_size\t= sizeof(dtv_phandle_source2),
418 void dm_populate_phandle_data(void) {
419 \tdtv_phandle_source.clocks[0].node = DM_GET_DEVICE(phandle_target);
420 \tdtv_phandle_source.clocks[1].node = DM_GET_DEVICE(phandle2_target);
421 \tdtv_phandle_source.clocks[2].node = DM_GET_DEVICE(phandle3_target);
422 \tdtv_phandle_source.clocks[3].node = DM_GET_DEVICE(phandle_target);
423 \tdtv_phandle_source2.clocks[0].node = DM_GET_DEVICE(phandle_target);
427 def test_phandle_single(self):
428 """Test output from a node containing a phandle reference"""
429 dtb_file = get_dtb_file('dtoc_test_phandle_single.dts')
430 output = tools.GetOutputFilename('output')
431 self.run_test(['struct'], dtb_file, output)
432 with open(output) as infile:
434 self._CheckStrings(HEADER + '''
436 \tstruct phandle_0_arg clocks[1];
443 def test_phandle_reorder(self):
444 """Test that phandle targets are generated before their references"""
445 dtb_file = get_dtb_file('dtoc_test_phandle_reorder.dts')
446 output = tools.GetOutputFilename('output')
447 self.run_test(['platdata'], dtb_file, output)
448 with open(output) as infile:
450 self._CheckStrings(C_HEADER + '''
451 static struct dtd_target dtv_phandle_target = {
453 U_BOOT_DEVICE(phandle_target) = {
454 \t.name\t\t= "target",
455 \t.platdata\t= &dtv_phandle_target,
456 \t.platdata_size\t= sizeof(dtv_phandle_target),
459 static struct dtd_source dtv_phandle_source2 = {
463 U_BOOT_DEVICE(phandle_source2) = {
464 \t.name\t\t= "source",
465 \t.platdata\t= &dtv_phandle_source2,
466 \t.platdata_size\t= sizeof(dtv_phandle_source2),
469 void dm_populate_phandle_data(void) {
470 \tdtv_phandle_source2.clocks[0].node = DM_GET_DEVICE(phandle_target);
474 def test_phandle_cd_gpio(self):
475 """Test that phandle targets are generated when unsing cd-gpios"""
476 dtb_file = get_dtb_file('dtoc_test_phandle_cd_gpios.dts')
477 output = tools.GetOutputFilename('output')
478 dtb_platdata.run_steps(['platdata'], dtb_file, False, output, True)
479 with open(output) as infile:
481 self._CheckStrings(C_HEADER + '''
482 static struct dtd_target dtv_phandle_target = {
483 \t.intval\t\t\t= 0x0,
485 U_BOOT_DEVICE(phandle_target) = {
486 \t.name\t\t= "target",
487 \t.platdata\t= &dtv_phandle_target,
488 \t.platdata_size\t= sizeof(dtv_phandle_target),
491 static struct dtd_target dtv_phandle2_target = {
492 \t.intval\t\t\t= 0x1,
494 U_BOOT_DEVICE(phandle2_target) = {
495 \t.name\t\t= "target",
496 \t.platdata\t= &dtv_phandle2_target,
497 \t.platdata_size\t= sizeof(dtv_phandle2_target),
500 static struct dtd_target dtv_phandle3_target = {
501 \t.intval\t\t\t= 0x2,
503 U_BOOT_DEVICE(phandle3_target) = {
504 \t.name\t\t= "target",
505 \t.platdata\t= &dtv_phandle3_target,
506 \t.platdata_size\t= sizeof(dtv_phandle3_target),
509 static struct dtd_source dtv_phandle_source = {
513 \t\t\t{NULL, {12, 13}},
516 U_BOOT_DEVICE(phandle_source) = {
517 \t.name\t\t= "source",
518 \t.platdata\t= &dtv_phandle_source,
519 \t.platdata_size\t= sizeof(dtv_phandle_source),
522 static struct dtd_source dtv_phandle_source2 = {
526 U_BOOT_DEVICE(phandle_source2) = {
527 \t.name\t\t= "source",
528 \t.platdata\t= &dtv_phandle_source2,
529 \t.platdata_size\t= sizeof(dtv_phandle_source2),
532 void dm_populate_phandle_data(void) {
533 \tdtv_phandle_source.cd_gpios[0].node = DM_GET_DEVICE(phandle_target);
534 \tdtv_phandle_source.cd_gpios[1].node = DM_GET_DEVICE(phandle2_target);
535 \tdtv_phandle_source.cd_gpios[2].node = DM_GET_DEVICE(phandle3_target);
536 \tdtv_phandle_source.cd_gpios[3].node = DM_GET_DEVICE(phandle_target);
537 \tdtv_phandle_source2.cd_gpios[0].node = DM_GET_DEVICE(phandle_target);
541 def test_phandle_bad(self):
542 """Test a node containing an invalid phandle fails"""
543 dtb_file = get_dtb_file('dtoc_test_phandle_bad.dts',
545 output = tools.GetOutputFilename('output')
546 with self.assertRaises(ValueError) as e:
547 self.run_test(['struct'], dtb_file, output)
548 self.assertIn("Cannot parse 'clocks' in node 'phandle-source'",
551 def test_phandle_bad2(self):
552 """Test a phandle target missing its #*-cells property"""
553 dtb_file = get_dtb_file('dtoc_test_phandle_bad2.dts',
555 output = tools.GetOutputFilename('output')
556 with self.assertRaises(ValueError) as e:
557 self.run_test(['struct'], dtb_file, output)
558 self.assertIn("Node 'phandle-target' has no cells property",
561 def test_addresses64(self):
562 """Test output from a node with a 'reg' property with na=2, ns=2"""
563 dtb_file = get_dtb_file('dtoc_test_addr64.dts')
564 output = tools.GetOutputFilename('output')
565 self.run_test(['struct'], dtb_file, output)
566 with open(output) as infile:
568 self._CheckStrings(HEADER + '''
580 self.run_test(['platdata'], dtb_file, output)
581 with open(output) as infile:
583 self._CheckStrings(C_HEADER + '''
584 static struct dtd_test1 dtv_test1 = {
585 \t.reg\t\t\t= {0x1234, 0x5678},
587 U_BOOT_DEVICE(test1) = {
588 \t.name\t\t= "test1",
589 \t.platdata\t= &dtv_test1,
590 \t.platdata_size\t= sizeof(dtv_test1),
593 static struct dtd_test2 dtv_test2 = {
594 \t.reg\t\t\t= {0x1234567890123456, 0x9876543210987654},
596 U_BOOT_DEVICE(test2) = {
597 \t.name\t\t= "test2",
598 \t.platdata\t= &dtv_test2,
599 \t.platdata_size\t= sizeof(dtv_test2),
602 static struct dtd_test3 dtv_test3 = {
603 \t.reg\t\t\t= {0x1234567890123456, 0x9876543210987654, 0x2, 0x3},
605 U_BOOT_DEVICE(test3) = {
606 \t.name\t\t= "test3",
607 \t.platdata\t= &dtv_test3,
608 \t.platdata_size\t= sizeof(dtv_test3),
611 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
613 def test_addresses32(self):
614 """Test output from a node with a 'reg' property with na=1, ns=1"""
615 dtb_file = get_dtb_file('dtoc_test_addr32.dts')
616 output = tools.GetOutputFilename('output')
617 self.run_test(['struct'], dtb_file, output)
618 with open(output) as infile:
620 self._CheckStrings(HEADER + '''
629 self.run_test(['platdata'], dtb_file, output)
630 with open(output) as infile:
632 self._CheckStrings(C_HEADER + '''
633 static struct dtd_test1 dtv_test1 = {
634 \t.reg\t\t\t= {0x1234, 0x5678},
636 U_BOOT_DEVICE(test1) = {
637 \t.name\t\t= "test1",
638 \t.platdata\t= &dtv_test1,
639 \t.platdata_size\t= sizeof(dtv_test1),
642 static struct dtd_test2 dtv_test2 = {
643 \t.reg\t\t\t= {0x12345678, 0x98765432, 0x2, 0x3},
645 U_BOOT_DEVICE(test2) = {
646 \t.name\t\t= "test2",
647 \t.platdata\t= &dtv_test2,
648 \t.platdata_size\t= sizeof(dtv_test2),
651 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
653 def test_addresses64_32(self):
654 """Test output from a node with a 'reg' property with na=2, ns=1"""
655 dtb_file = get_dtb_file('dtoc_test_addr64_32.dts')
656 output = tools.GetOutputFilename('output')
657 self.run_test(['struct'], dtb_file, output)
658 with open(output) as infile:
660 self._CheckStrings(HEADER + '''
672 self.run_test(['platdata'], dtb_file, output)
673 with open(output) as infile:
675 self._CheckStrings(C_HEADER + '''
676 static struct dtd_test1 dtv_test1 = {
677 \t.reg\t\t\t= {0x123400000000, 0x5678},
679 U_BOOT_DEVICE(test1) = {
680 \t.name\t\t= "test1",
681 \t.platdata\t= &dtv_test1,
682 \t.platdata_size\t= sizeof(dtv_test1),
685 static struct dtd_test2 dtv_test2 = {
686 \t.reg\t\t\t= {0x1234567890123456, 0x98765432},
688 U_BOOT_DEVICE(test2) = {
689 \t.name\t\t= "test2",
690 \t.platdata\t= &dtv_test2,
691 \t.platdata_size\t= sizeof(dtv_test2),
694 static struct dtd_test3 dtv_test3 = {
695 \t.reg\t\t\t= {0x1234567890123456, 0x98765432, 0x2, 0x3},
697 U_BOOT_DEVICE(test3) = {
698 \t.name\t\t= "test3",
699 \t.platdata\t= &dtv_test3,
700 \t.platdata_size\t= sizeof(dtv_test3),
703 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
705 def test_addresses32_64(self):
706 """Test output from a node with a 'reg' property with na=1, ns=2"""
707 dtb_file = get_dtb_file('dtoc_test_addr32_64.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 static struct dtd_test1 dtv_test1 = {
729 \t.reg\t\t\t= {0x1234, 0x567800000000},
731 U_BOOT_DEVICE(test1) = {
732 \t.name\t\t= "test1",
733 \t.platdata\t= &dtv_test1,
734 \t.platdata_size\t= sizeof(dtv_test1),
737 static struct dtd_test2 dtv_test2 = {
738 \t.reg\t\t\t= {0x12345678, 0x9876543210987654},
740 U_BOOT_DEVICE(test2) = {
741 \t.name\t\t= "test2",
742 \t.platdata\t= &dtv_test2,
743 \t.platdata_size\t= sizeof(dtv_test2),
746 static struct dtd_test3 dtv_test3 = {
747 \t.reg\t\t\t= {0x12345678, 0x9876543210987654, 0x2, 0x3},
749 U_BOOT_DEVICE(test3) = {
750 \t.name\t\t= "test3",
751 \t.platdata\t= &dtv_test3,
752 \t.platdata_size\t= sizeof(dtv_test3),
755 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
757 def test_bad_reg(self):
758 """Test that a reg property with an invalid type generates an error"""
759 # Capture stderr since dtc will emit warnings for this file
760 dtb_file = get_dtb_file('dtoc_test_bad_reg.dts', capture_stderr=True)
761 output = tools.GetOutputFilename('output')
762 with self.assertRaises(ValueError) as e:
763 self.run_test(['struct'], dtb_file, output)
764 self.assertIn("Node 'spl-test' reg property is not an int",
767 def test_bad_reg2(self):
768 """Test that a reg property with an invalid cell count is detected"""
769 # Capture stderr since dtc will emit warnings for this file
770 dtb_file = get_dtb_file('dtoc_test_bad_reg2.dts', capture_stderr=True)
771 output = tools.GetOutputFilename('output')
772 with self.assertRaises(ValueError) as e:
773 self.run_test(['struct'], dtb_file, output)
774 self.assertIn("Node 'spl-test' reg property has 3 cells which is not a multiple of na + ns = 1 + 1)",
777 def test_add_prop(self):
778 """Test that a subequent node can add a new property to a struct"""
779 dtb_file = get_dtb_file('dtoc_test_add_prop.dts')
780 output = tools.GetOutputFilename('output')
781 self.run_test(['struct'], dtb_file, output)
782 with open(output) as infile:
784 self._CheckStrings(HEADER + '''
785 struct dtd_sandbox_spl_test {
786 \tfdt32_t\t\tintarray;
791 self.run_test(['platdata'], dtb_file, output)
792 with open(output) as infile:
794 self._CheckStrings(C_HEADER + '''
795 static struct dtd_sandbox_spl_test dtv_spl_test = {
796 \t.intval\t\t\t= 0x1,
798 U_BOOT_DEVICE(spl_test) = {
799 \t.name\t\t= "sandbox_spl_test",
800 \t.platdata\t= &dtv_spl_test,
801 \t.platdata_size\t= sizeof(dtv_spl_test),
804 static struct dtd_sandbox_spl_test dtv_spl_test2 = {
805 \t.intarray\t\t= 0x5,
807 U_BOOT_DEVICE(spl_test2) = {
808 \t.name\t\t= "sandbox_spl_test",
809 \t.platdata\t= &dtv_spl_test2,
810 \t.platdata_size\t= sizeof(dtv_spl_test2),
813 ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
815 def testStdout(self):
816 """Test output to stdout"""
817 dtb_file = get_dtb_file('dtoc_test_simple.dts')
818 with test_util.capture_sys_output() as (stdout, stderr):
819 self.run_test(['struct'], dtb_file, '-')
821 def testNoCommand(self):
822 """Test running dtoc without a command"""
823 with self.assertRaises(ValueError) as e:
824 self.run_test([], '', '')
825 self.assertIn("Please specify a command: struct, platdata",
828 def testBadCommand(self):
829 """Test running dtoc with an invalid command"""
830 dtb_file = get_dtb_file('dtoc_test_simple.dts')
831 output = tools.GetOutputFilename('output')
832 with self.assertRaises(ValueError) as e:
833 self.run_test(['invalid-cmd'], dtb_file, output)
834 self.assertIn("Unknown command 'invalid-cmd': (use: struct, platdata)",
837 def testScanDrivers(self):
838 """Test running dtoc with additional drivers to scan"""
839 dtb_file = get_dtb_file('dtoc_test_simple.dts')
840 output = tools.GetOutputFilename('output')
841 with test_util.capture_sys_output() as (stdout, stderr):
842 dtb_platdata.run_steps(['struct'], dtb_file, False, output, True,
843 [None, '', 'tools/dtoc/dtoc_test_scan_drivers.cxx'])
845 def testUnicodeError(self):
846 """Test running dtoc with an invalid unicode file
848 To be able to perform this test without adding a weird text file which
849 would produce issues when using checkpatch.pl or patman, generate the
850 file at runtime and then process it.
852 dtb_file = get_dtb_file('dtoc_test_simple.dts')
853 output = tools.GetOutputFilename('output')
854 driver_fn = '/tmp/' + next(tempfile._get_candidate_names())
855 with open(driver_fn, 'wb+') as df:
858 with test_util.capture_sys_output() as (stdout, stderr):
859 dtb_platdata.run_steps(['struct'], dtb_file, False, output, True,