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- #!/usr/bin/env python3
- # SPDX-License-Identifier: GPL-2.0+
- # Copyright (c) 2012 The Chromium OS Authors.
- #
- """Tests for the dtb_platdata module
- This includes unit tests for some functions and functional tests for the dtoc
- tool.
- """
- import collections
- import glob
- import os
- import struct
- import tempfile
- import unittest
- from dtb_platdata import conv_name_to_c
- from dtb_platdata import get_compat_name
- from dtb_platdata import get_value
- from dtb_platdata import tab_to
- from dtoc import dtb_platdata
- from dtoc import fdt
- from dtoc import fdt_util
- from patman import test_util
- from patman import tools
- OUR_PATH = os.path.dirname(os.path.realpath(__file__))
- HEADER = '''/*
- * DO NOT MODIFY
- *
- * This file was generated by dtoc from a .dtb (device tree binary) file.
- */
- #include <stdbool.h>
- #include <linux/libfdt.h>'''
- C_HEADER = '''/*
- * DO NOT MODIFY
- *
- * This file was generated by dtoc from a .dtb (device tree binary) file.
- */
- /* Allow use of U_BOOT_DRVINFO() in this file */
- #define DT_PLATDATA_C
- #include <common.h>
- #include <dm.h>
- #include <dt-structs.h>
- '''
- C_EMPTY_POPULATE_PHANDLE_DATA = '''void dm_populate_phandle_data(void) {
- }
- '''
- # This is a test so is allowed to access private things in the module it is
- # testing
- # pylint: disable=W0212
- def get_dtb_file(dts_fname, capture_stderr=False):
- """Compile a .dts file to a .dtb
- Args:
- dts_fname (str): Filename of .dts file in the current directory
- capture_stderr (bool): True to capture and discard stderr output
- Returns:
- str: Filename of compiled file in output directory
- """
- return fdt_util.EnsureCompiled(os.path.join(OUR_PATH, dts_fname),
- capture_stderr=capture_stderr)
- class TestDtoc(unittest.TestCase):
- """Tests for dtoc"""
- @classmethod
- def setUpClass(cls):
- tools.PrepareOutputDir(None)
- cls.maxDiff = None
- @classmethod
- def tearDownClass(cls):
- tools.FinaliseOutputDir()
- @staticmethod
- def _write_python_string(fname, data):
- """Write a string with tabs expanded as done in this Python file
- Args:
- fname (str): Filename to write to
- data (str): Raw string to convert
- """
- data = data.replace('\t', '\\t')
- with open(fname, 'w') as fout:
- fout.write(data)
- def _check_strings(self, expected, actual):
- """Check that a string matches its expected value
- If the strings do not match, they are written to the /tmp directory in
- the same Python format as is used here in the test. This allows for
- easy comparison and update of the tests.
- Args:
- expected (str): Expected string
- actual (str): Actual string
- """
- if expected != actual:
- self._write_python_string('/tmp/binman.expected', expected)
- self._write_python_string('/tmp/binman.actual', actual)
- print('Failures written to /tmp/binman.{expected,actual}')
- self.assertEqual(expected, actual)
- @staticmethod
- def run_test(args, dtb_file, output):
- """Run a test using dtoc
- Args:
- args (list of str): List of arguments for dtoc
- dtb_file (str): Filename of .dtb file
- output (str): Filename of output file
- """
- dtb_platdata.run_steps(args, dtb_file, False, output, [], True)
- def test_name(self):
- """Test conversion of device tree names to C identifiers"""
- self.assertEqual('serial_at_0x12', conv_name_to_c('serial@0x12'))
- self.assertEqual('vendor_clock_frequency',
- conv_name_to_c('vendor,clock-frequency'))
- self.assertEqual('rockchip_rk3399_sdhci_5_1',
- conv_name_to_c('rockchip,rk3399-sdhci-5.1'))
- def test_tab_to(self):
- """Test operation of tab_to() function"""
- self.assertEqual('fred ', tab_to(0, 'fred'))
- self.assertEqual('fred\t', tab_to(1, 'fred'))
- self.assertEqual('fred was here ', tab_to(1, 'fred was here'))
- self.assertEqual('fred was here\t\t', tab_to(3, 'fred was here'))
- self.assertEqual('exactly8 ', tab_to(1, 'exactly8'))
- self.assertEqual('exactly8\t', tab_to(2, 'exactly8'))
- def test_get_value(self):
- """Test operation of get_value() function"""
- self.assertEqual('0x45',
- get_value(fdt.Type.INT, struct.pack('>I', 0x45)))
- self.assertEqual('0x45',
- get_value(fdt.Type.BYTE, struct.pack('<I', 0x45)))
- self.assertEqual('0x0',
- get_value(fdt.Type.BYTE, struct.pack('>I', 0x45)))
- self.assertEqual('"test"', get_value(fdt.Type.STRING, 'test'))
- self.assertEqual('true', get_value(fdt.Type.BOOL, None))
- def test_get_compat_name(self):
- """Test operation of get_compat_name() function"""
- Prop = collections.namedtuple('Prop', ['value'])
- Node = collections.namedtuple('Node', ['props'])
- prop = Prop(['rockchip,rk3399-sdhci-5.1', 'arasan,sdhci-5.1'])
- node = Node({'compatible': prop})
- self.assertEqual((['rockchip_rk3399_sdhci_5_1', 'arasan_sdhci_5_1']),
- get_compat_name(node))
- prop = Prop(['rockchip,rk3399-sdhci-5.1'])
- node = Node({'compatible': prop})
- self.assertEqual((['rockchip_rk3399_sdhci_5_1']),
- get_compat_name(node))
- prop = Prop(['rockchip,rk3399-sdhci-5.1', 'arasan,sdhci-5.1', 'third'])
- node = Node({'compatible': prop})
- self.assertEqual((['rockchip_rk3399_sdhci_5_1',
- 'arasan_sdhci_5_1', 'third']),
- get_compat_name(node))
- def test_empty_file(self):
- """Test output from a device tree file with no nodes"""
- dtb_file = get_dtb_file('dtoc_test_empty.dts')
- output = tools.GetOutputFilename('output')
- self.run_test(['struct'], dtb_file, output)
- with open(output) as infile:
- lines = infile.read().splitlines()
- self.assertEqual(HEADER.splitlines(), lines)
- self.run_test(['platdata'], dtb_file, output)
- with open(output) as infile:
- lines = infile.read().splitlines()
- self.assertEqual(C_HEADER.splitlines() + [''] +
- C_EMPTY_POPULATE_PHANDLE_DATA.splitlines(), lines)
- struct_text = HEADER + '''
- struct dtd_sandbox_i2c_test {
- };
- struct dtd_sandbox_pmic_test {
- \tbool\t\tlow_power;
- \tfdt64_t\t\treg[2];
- };
- struct dtd_sandbox_spl_test {
- \tconst char * acpi_name;
- \tbool\t\tboolval;
- \tunsigned char\tbytearray[3];
- \tunsigned char\tbyteval;
- \tfdt32_t\t\tintarray[4];
- \tfdt32_t\t\tintval;
- \tunsigned char\tlongbytearray[9];
- \tunsigned char\tnotstring[5];
- \tconst char *\tstringarray[3];
- \tconst char *\tstringval;
- };
- '''
- platdata_text = C_HEADER + '''
- /* Node /i2c@0 index 0 */
- static struct dtd_sandbox_i2c_test dtv_i2c_at_0 = {
- };
- U_BOOT_DRVINFO(i2c_at_0) = {
- \t.name\t\t= "sandbox_i2c_test",
- \t.plat\t= &dtv_i2c_at_0,
- \t.plat_size\t= sizeof(dtv_i2c_at_0),
- \t.parent_idx\t= -1,
- };
- /* Node /i2c@0/pmic@9 index 1 */
- static struct dtd_sandbox_pmic_test dtv_pmic_at_9 = {
- \t.low_power\t\t= true,
- \t.reg\t\t\t= {0x9, 0x0},
- };
- U_BOOT_DRVINFO(pmic_at_9) = {
- \t.name\t\t= "sandbox_pmic_test",
- \t.plat\t= &dtv_pmic_at_9,
- \t.plat_size\t= sizeof(dtv_pmic_at_9),
- \t.parent_idx\t= 0,
- };
- /* Node /spl-test index 2 */
- static struct dtd_sandbox_spl_test dtv_spl_test = {
- \t.boolval\t\t= true,
- \t.bytearray\t\t= {0x6, 0x0, 0x0},
- \t.byteval\t\t= 0x5,
- \t.intarray\t\t= {0x2, 0x3, 0x4, 0x0},
- \t.intval\t\t\t= 0x1,
- \t.longbytearray\t\t= {0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x10,
- \t\t0x11},
- \t.notstring\t\t= {0x20, 0x21, 0x22, 0x10, 0x0},
- \t.stringarray\t\t= {"multi-word", "message", ""},
- \t.stringval\t\t= "message",
- };
- U_BOOT_DRVINFO(spl_test) = {
- \t.name\t\t= "sandbox_spl_test",
- \t.plat\t= &dtv_spl_test,
- \t.plat_size\t= sizeof(dtv_spl_test),
- \t.parent_idx\t= -1,
- };
- /* Node /spl-test2 index 3 */
- static struct dtd_sandbox_spl_test dtv_spl_test2 = {
- \t.acpi_name\t\t= "\\\\_SB.GPO0",
- \t.bytearray\t\t= {0x1, 0x23, 0x34},
- \t.byteval\t\t= 0x8,
- \t.intarray\t\t= {0x5, 0x0, 0x0, 0x0},
- \t.intval\t\t\t= 0x3,
- \t.longbytearray\t\t= {0x9, 0xa, 0xb, 0xc, 0x0, 0x0, 0x0, 0x0,
- \t\t0x0},
- \t.stringarray\t\t= {"another", "multi-word", "message"},
- \t.stringval\t\t= "message2",
- };
- U_BOOT_DRVINFO(spl_test2) = {
- \t.name\t\t= "sandbox_spl_test",
- \t.plat\t= &dtv_spl_test2,
- \t.plat_size\t= sizeof(dtv_spl_test2),
- \t.parent_idx\t= -1,
- };
- /* Node /spl-test3 index 4 */
- static struct dtd_sandbox_spl_test dtv_spl_test3 = {
- \t.longbytearray\t\t= {0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0x10,
- \t\t0x0},
- \t.stringarray\t\t= {"one", "", ""},
- };
- U_BOOT_DRVINFO(spl_test3) = {
- \t.name\t\t= "sandbox_spl_test",
- \t.plat\t= &dtv_spl_test3,
- \t.plat_size\t= sizeof(dtv_spl_test3),
- \t.parent_idx\t= -1,
- };
- ''' + C_EMPTY_POPULATE_PHANDLE_DATA
- def test_simple(self):
- """Test output from some simple nodes with various types of data"""
- dtb_file = get_dtb_file('dtoc_test_simple.dts')
- output = tools.GetOutputFilename('output')
- self.run_test(['struct'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(self.struct_text, data)
- self.run_test(['platdata'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(self.platdata_text, data)
- # Try the 'all' command
- self.run_test(['all'], dtb_file, output)
- data = tools.ReadFile(output, binary=False)
- self._check_strings(self.platdata_text + self.struct_text, data)
- def test_driver_alias(self):
- """Test output from a device tree file with a driver alias"""
- dtb_file = get_dtb_file('dtoc_test_driver_alias.dts')
- output = tools.GetOutputFilename('output')
- self.run_test(['struct'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(HEADER + '''
- struct dtd_sandbox_gpio {
- \tconst char *\tgpio_bank_name;
- \tbool\t\tgpio_controller;
- \tfdt32_t\t\tsandbox_gpio_count;
- };
- ''', data)
- self.run_test(['platdata'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(C_HEADER + '''
- /* Node /gpios@0 index 0 */
- static struct dtd_sandbox_gpio dtv_gpios_at_0 = {
- \t.gpio_bank_name\t\t= "a",
- \t.gpio_controller\t= true,
- \t.sandbox_gpio_count\t= 0x14,
- };
- U_BOOT_DRVINFO(gpios_at_0) = {
- \t.name\t\t= "sandbox_gpio",
- \t.plat\t= &dtv_gpios_at_0,
- \t.plat_size\t= sizeof(dtv_gpios_at_0),
- \t.parent_idx\t= -1,
- };
- void dm_populate_phandle_data(void) {
- }
- ''', data)
- def test_invalid_driver(self):
- """Test output from a device tree file with an invalid driver"""
- dtb_file = get_dtb_file('dtoc_test_invalid_driver.dts')
- output = tools.GetOutputFilename('output')
- with test_util.capture_sys_output() as _:
- dtb_platdata.run_steps(['struct'], dtb_file, False, output, [])
- with open(output) as infile:
- data = infile.read()
- self._check_strings(HEADER + '''
- struct dtd_invalid {
- };
- ''', data)
- with test_util.capture_sys_output() as _:
- dtb_platdata.run_steps(['platdata'], dtb_file, False, output, [])
- with open(output) as infile:
- data = infile.read()
- self._check_strings(C_HEADER + '''
- /* Node /spl-test index 0 */
- static struct dtd_invalid dtv_spl_test = {
- };
- U_BOOT_DRVINFO(spl_test) = {
- \t.name\t\t= "invalid",
- \t.plat\t= &dtv_spl_test,
- \t.plat_size\t= sizeof(dtv_spl_test),
- \t.parent_idx\t= -1,
- };
- void dm_populate_phandle_data(void) {
- }
- ''', data)
- def test_phandle(self):
- """Test output from a node containing a phandle reference"""
- dtb_file = get_dtb_file('dtoc_test_phandle.dts')
- output = tools.GetOutputFilename('output')
- self.run_test(['struct'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(HEADER + '''
- struct dtd_source {
- \tstruct phandle_2_arg clocks[4];
- };
- struct dtd_target {
- \tfdt32_t\t\tintval;
- };
- ''', data)
- self.run_test(['platdata'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(C_HEADER + '''
- /* Node /phandle2-target index 0 */
- static struct dtd_target dtv_phandle2_target = {
- \t.intval\t\t\t= 0x1,
- };
- U_BOOT_DRVINFO(phandle2_target) = {
- \t.name\t\t= "target",
- \t.plat\t= &dtv_phandle2_target,
- \t.plat_size\t= sizeof(dtv_phandle2_target),
- \t.parent_idx\t= -1,
- };
- /* Node /phandle3-target index 1 */
- static struct dtd_target dtv_phandle3_target = {
- \t.intval\t\t\t= 0x2,
- };
- U_BOOT_DRVINFO(phandle3_target) = {
- \t.name\t\t= "target",
- \t.plat\t= &dtv_phandle3_target,
- \t.plat_size\t= sizeof(dtv_phandle3_target),
- \t.parent_idx\t= -1,
- };
- /* Node /phandle-target index 4 */
- static struct dtd_target dtv_phandle_target = {
- \t.intval\t\t\t= 0x0,
- };
- U_BOOT_DRVINFO(phandle_target) = {
- \t.name\t\t= "target",
- \t.plat\t= &dtv_phandle_target,
- \t.plat_size\t= sizeof(dtv_phandle_target),
- \t.parent_idx\t= -1,
- };
- /* Node /phandle-source index 2 */
- static struct dtd_source dtv_phandle_source = {
- \t.clocks\t\t\t= {
- \t\t\t{4, {}},
- \t\t\t{0, {11}},
- \t\t\t{1, {12, 13}},
- \t\t\t{4, {}},},
- };
- U_BOOT_DRVINFO(phandle_source) = {
- \t.name\t\t= "source",
- \t.plat\t= &dtv_phandle_source,
- \t.plat_size\t= sizeof(dtv_phandle_source),
- \t.parent_idx\t= -1,
- };
- /* Node /phandle-source2 index 3 */
- static struct dtd_source dtv_phandle_source2 = {
- \t.clocks\t\t\t= {
- \t\t\t{4, {}},},
- };
- U_BOOT_DRVINFO(phandle_source2) = {
- \t.name\t\t= "source",
- \t.plat\t= &dtv_phandle_source2,
- \t.plat_size\t= sizeof(dtv_phandle_source2),
- \t.parent_idx\t= -1,
- };
- void dm_populate_phandle_data(void) {
- }
- ''', data)
- def test_phandle_single(self):
- """Test output from a node containing a phandle reference"""
- dtb_file = get_dtb_file('dtoc_test_phandle_single.dts')
- output = tools.GetOutputFilename('output')
- self.run_test(['struct'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(HEADER + '''
- struct dtd_source {
- \tstruct phandle_0_arg clocks[1];
- };
- struct dtd_target {
- \tfdt32_t\t\tintval;
- };
- ''', data)
- def test_phandle_reorder(self):
- """Test that phandle targets are generated before their references"""
- dtb_file = get_dtb_file('dtoc_test_phandle_reorder.dts')
- output = tools.GetOutputFilename('output')
- self.run_test(['platdata'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(C_HEADER + '''
- /* Node /phandle-target index 1 */
- static struct dtd_target dtv_phandle_target = {
- };
- U_BOOT_DRVINFO(phandle_target) = {
- \t.name\t\t= "target",
- \t.plat\t= &dtv_phandle_target,
- \t.plat_size\t= sizeof(dtv_phandle_target),
- \t.parent_idx\t= -1,
- };
- /* Node /phandle-source2 index 0 */
- static struct dtd_source dtv_phandle_source2 = {
- \t.clocks\t\t\t= {
- \t\t\t{1, {}},},
- };
- U_BOOT_DRVINFO(phandle_source2) = {
- \t.name\t\t= "source",
- \t.plat\t= &dtv_phandle_source2,
- \t.plat_size\t= sizeof(dtv_phandle_source2),
- \t.parent_idx\t= -1,
- };
- void dm_populate_phandle_data(void) {
- }
- ''', data)
- def test_phandle_cd_gpio(self):
- """Test that phandle targets are generated when unsing cd-gpios"""
- dtb_file = get_dtb_file('dtoc_test_phandle_cd_gpios.dts')
- output = tools.GetOutputFilename('output')
- dtb_platdata.run_steps(['platdata'], dtb_file, False, output, [], True)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(C_HEADER + '''
- /* Node /phandle2-target index 0 */
- static struct dtd_target dtv_phandle2_target = {
- \t.intval\t\t\t= 0x1,
- };
- U_BOOT_DRVINFO(phandle2_target) = {
- \t.name\t\t= "target",
- \t.plat\t= &dtv_phandle2_target,
- \t.plat_size\t= sizeof(dtv_phandle2_target),
- \t.parent_idx\t= -1,
- };
- /* Node /phandle3-target index 1 */
- static struct dtd_target dtv_phandle3_target = {
- \t.intval\t\t\t= 0x2,
- };
- U_BOOT_DRVINFO(phandle3_target) = {
- \t.name\t\t= "target",
- \t.plat\t= &dtv_phandle3_target,
- \t.plat_size\t= sizeof(dtv_phandle3_target),
- \t.parent_idx\t= -1,
- };
- /* Node /phandle-target index 4 */
- static struct dtd_target dtv_phandle_target = {
- \t.intval\t\t\t= 0x0,
- };
- U_BOOT_DRVINFO(phandle_target) = {
- \t.name\t\t= "target",
- \t.plat\t= &dtv_phandle_target,
- \t.plat_size\t= sizeof(dtv_phandle_target),
- \t.parent_idx\t= -1,
- };
- /* Node /phandle-source index 2 */
- static struct dtd_source dtv_phandle_source = {
- \t.cd_gpios\t\t= {
- \t\t\t{4, {}},
- \t\t\t{0, {11}},
- \t\t\t{1, {12, 13}},
- \t\t\t{4, {}},},
- };
- U_BOOT_DRVINFO(phandle_source) = {
- \t.name\t\t= "source",
- \t.plat\t= &dtv_phandle_source,
- \t.plat_size\t= sizeof(dtv_phandle_source),
- \t.parent_idx\t= -1,
- };
- /* Node /phandle-source2 index 3 */
- static struct dtd_source dtv_phandle_source2 = {
- \t.cd_gpios\t\t= {
- \t\t\t{4, {}},},
- };
- U_BOOT_DRVINFO(phandle_source2) = {
- \t.name\t\t= "source",
- \t.plat\t= &dtv_phandle_source2,
- \t.plat_size\t= sizeof(dtv_phandle_source2),
- \t.parent_idx\t= -1,
- };
- void dm_populate_phandle_data(void) {
- }
- ''', data)
- def test_phandle_bad(self):
- """Test a node containing an invalid phandle fails"""
- dtb_file = get_dtb_file('dtoc_test_phandle_bad.dts',
- capture_stderr=True)
- output = tools.GetOutputFilename('output')
- with self.assertRaises(ValueError) as exc:
- self.run_test(['struct'], dtb_file, output)
- self.assertIn("Cannot parse 'clocks' in node 'phandle-source'",
- str(exc.exception))
- def test_phandle_bad2(self):
- """Test a phandle target missing its #*-cells property"""
- dtb_file = get_dtb_file('dtoc_test_phandle_bad2.dts',
- capture_stderr=True)
- output = tools.GetOutputFilename('output')
- with self.assertRaises(ValueError) as exc:
- self.run_test(['struct'], dtb_file, output)
- self.assertIn("Node 'phandle-target' has no cells property",
- str(exc.exception))
- def test_addresses64(self):
- """Test output from a node with a 'reg' property with na=2, ns=2"""
- dtb_file = get_dtb_file('dtoc_test_addr64.dts')
- output = tools.GetOutputFilename('output')
- self.run_test(['struct'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(HEADER + '''
- struct dtd_test1 {
- \tfdt64_t\t\treg[2];
- };
- struct dtd_test2 {
- \tfdt64_t\t\treg[2];
- };
- struct dtd_test3 {
- \tfdt64_t\t\treg[4];
- };
- ''', data)
- self.run_test(['platdata'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(C_HEADER + '''
- /* Node /test1 index 0 */
- static struct dtd_test1 dtv_test1 = {
- \t.reg\t\t\t= {0x1234, 0x5678},
- };
- U_BOOT_DRVINFO(test1) = {
- \t.name\t\t= "test1",
- \t.plat\t= &dtv_test1,
- \t.plat_size\t= sizeof(dtv_test1),
- \t.parent_idx\t= -1,
- };
- /* Node /test2 index 1 */
- static struct dtd_test2 dtv_test2 = {
- \t.reg\t\t\t= {0x1234567890123456, 0x9876543210987654},
- };
- U_BOOT_DRVINFO(test2) = {
- \t.name\t\t= "test2",
- \t.plat\t= &dtv_test2,
- \t.plat_size\t= sizeof(dtv_test2),
- \t.parent_idx\t= -1,
- };
- /* Node /test3 index 2 */
- static struct dtd_test3 dtv_test3 = {
- \t.reg\t\t\t= {0x1234567890123456, 0x9876543210987654, 0x2, 0x3},
- };
- U_BOOT_DRVINFO(test3) = {
- \t.name\t\t= "test3",
- \t.plat\t= &dtv_test3,
- \t.plat_size\t= sizeof(dtv_test3),
- \t.parent_idx\t= -1,
- };
- ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
- def test_addresses32(self):
- """Test output from a node with a 'reg' property with na=1, ns=1"""
- dtb_file = get_dtb_file('dtoc_test_addr32.dts')
- output = tools.GetOutputFilename('output')
- self.run_test(['struct'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(HEADER + '''
- struct dtd_test1 {
- \tfdt32_t\t\treg[2];
- };
- struct dtd_test2 {
- \tfdt32_t\t\treg[4];
- };
- ''', data)
- self.run_test(['platdata'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(C_HEADER + '''
- /* Node /test1 index 0 */
- static struct dtd_test1 dtv_test1 = {
- \t.reg\t\t\t= {0x1234, 0x5678},
- };
- U_BOOT_DRVINFO(test1) = {
- \t.name\t\t= "test1",
- \t.plat\t= &dtv_test1,
- \t.plat_size\t= sizeof(dtv_test1),
- \t.parent_idx\t= -1,
- };
- /* Node /test2 index 1 */
- static struct dtd_test2 dtv_test2 = {
- \t.reg\t\t\t= {0x12345678, 0x98765432, 0x2, 0x3},
- };
- U_BOOT_DRVINFO(test2) = {
- \t.name\t\t= "test2",
- \t.plat\t= &dtv_test2,
- \t.plat_size\t= sizeof(dtv_test2),
- \t.parent_idx\t= -1,
- };
- ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
- def test_addresses64_32(self):
- """Test output from a node with a 'reg' property with na=2, ns=1"""
- dtb_file = get_dtb_file('dtoc_test_addr64_32.dts')
- output = tools.GetOutputFilename('output')
- self.run_test(['struct'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(HEADER + '''
- struct dtd_test1 {
- \tfdt64_t\t\treg[2];
- };
- struct dtd_test2 {
- \tfdt64_t\t\treg[2];
- };
- struct dtd_test3 {
- \tfdt64_t\t\treg[4];
- };
- ''', data)
- self.run_test(['platdata'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(C_HEADER + '''
- /* Node /test1 index 0 */
- static struct dtd_test1 dtv_test1 = {
- \t.reg\t\t\t= {0x123400000000, 0x5678},
- };
- U_BOOT_DRVINFO(test1) = {
- \t.name\t\t= "test1",
- \t.plat\t= &dtv_test1,
- \t.plat_size\t= sizeof(dtv_test1),
- \t.parent_idx\t= -1,
- };
- /* Node /test2 index 1 */
- static struct dtd_test2 dtv_test2 = {
- \t.reg\t\t\t= {0x1234567890123456, 0x98765432},
- };
- U_BOOT_DRVINFO(test2) = {
- \t.name\t\t= "test2",
- \t.plat\t= &dtv_test2,
- \t.plat_size\t= sizeof(dtv_test2),
- \t.parent_idx\t= -1,
- };
- /* Node /test3 index 2 */
- static struct dtd_test3 dtv_test3 = {
- \t.reg\t\t\t= {0x1234567890123456, 0x98765432, 0x2, 0x3},
- };
- U_BOOT_DRVINFO(test3) = {
- \t.name\t\t= "test3",
- \t.plat\t= &dtv_test3,
- \t.plat_size\t= sizeof(dtv_test3),
- \t.parent_idx\t= -1,
- };
- ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
- def test_addresses32_64(self):
- """Test output from a node with a 'reg' property with na=1, ns=2"""
- dtb_file = get_dtb_file('dtoc_test_addr32_64.dts')
- output = tools.GetOutputFilename('output')
- self.run_test(['struct'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(HEADER + '''
- struct dtd_test1 {
- \tfdt64_t\t\treg[2];
- };
- struct dtd_test2 {
- \tfdt64_t\t\treg[2];
- };
- struct dtd_test3 {
- \tfdt64_t\t\treg[4];
- };
- ''', data)
- self.run_test(['platdata'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(C_HEADER + '''
- /* Node /test1 index 0 */
- static struct dtd_test1 dtv_test1 = {
- \t.reg\t\t\t= {0x1234, 0x567800000000},
- };
- U_BOOT_DRVINFO(test1) = {
- \t.name\t\t= "test1",
- \t.plat\t= &dtv_test1,
- \t.plat_size\t= sizeof(dtv_test1),
- \t.parent_idx\t= -1,
- };
- /* Node /test2 index 1 */
- static struct dtd_test2 dtv_test2 = {
- \t.reg\t\t\t= {0x12345678, 0x9876543210987654},
- };
- U_BOOT_DRVINFO(test2) = {
- \t.name\t\t= "test2",
- \t.plat\t= &dtv_test2,
- \t.plat_size\t= sizeof(dtv_test2),
- \t.parent_idx\t= -1,
- };
- /* Node /test3 index 2 */
- static struct dtd_test3 dtv_test3 = {
- \t.reg\t\t\t= {0x12345678, 0x9876543210987654, 0x2, 0x3},
- };
- U_BOOT_DRVINFO(test3) = {
- \t.name\t\t= "test3",
- \t.plat\t= &dtv_test3,
- \t.plat_size\t= sizeof(dtv_test3),
- \t.parent_idx\t= -1,
- };
- ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
- def test_bad_reg(self):
- """Test that a reg property with an invalid type generates an error"""
- # Capture stderr since dtc will emit warnings for this file
- dtb_file = get_dtb_file('dtoc_test_bad_reg.dts', capture_stderr=True)
- output = tools.GetOutputFilename('output')
- with self.assertRaises(ValueError) as exc:
- self.run_test(['struct'], dtb_file, output)
- self.assertIn("Node 'spl-test' reg property is not an int",
- str(exc.exception))
- def test_bad_reg2(self):
- """Test that a reg property with an invalid cell count is detected"""
- # Capture stderr since dtc will emit warnings for this file
- dtb_file = get_dtb_file('dtoc_test_bad_reg2.dts', capture_stderr=True)
- output = tools.GetOutputFilename('output')
- with self.assertRaises(ValueError) as exc:
- self.run_test(['struct'], dtb_file, output)
- self.assertIn(
- "Node 'spl-test' reg property has 3 cells which is not a multiple of na + ns = 1 + 1)",
- str(exc.exception))
- def test_add_prop(self):
- """Test that a subequent node can add a new property to a struct"""
- dtb_file = get_dtb_file('dtoc_test_add_prop.dts')
- output = tools.GetOutputFilename('output')
- self.run_test(['struct'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(HEADER + '''
- struct dtd_sandbox_spl_test {
- \tfdt32_t\t\tintarray;
- \tfdt32_t\t\tintval;
- };
- ''', data)
- self.run_test(['platdata'], dtb_file, output)
- with open(output) as infile:
- data = infile.read()
- self._check_strings(C_HEADER + '''
- /* Node /spl-test index 0 */
- static struct dtd_sandbox_spl_test dtv_spl_test = {
- \t.intval\t\t\t= 0x1,
- };
- U_BOOT_DRVINFO(spl_test) = {
- \t.name\t\t= "sandbox_spl_test",
- \t.plat\t= &dtv_spl_test,
- \t.plat_size\t= sizeof(dtv_spl_test),
- \t.parent_idx\t= -1,
- };
- /* Node /spl-test2 index 1 */
- static struct dtd_sandbox_spl_test dtv_spl_test2 = {
- \t.intarray\t\t= 0x5,
- };
- U_BOOT_DRVINFO(spl_test2) = {
- \t.name\t\t= "sandbox_spl_test",
- \t.plat\t= &dtv_spl_test2,
- \t.plat_size\t= sizeof(dtv_spl_test2),
- \t.parent_idx\t= -1,
- };
- ''' + C_EMPTY_POPULATE_PHANDLE_DATA, data)
- def test_stdout(self):
- """Test output to stdout"""
- dtb_file = get_dtb_file('dtoc_test_simple.dts')
- with test_util.capture_sys_output() as (stdout, _):
- self.run_test(['struct'], dtb_file, None)
- self._check_strings(self.struct_text, stdout.getvalue())
- def test_multi_to_file(self):
- """Test output of multiple pieces to a single file"""
- dtb_file = get_dtb_file('dtoc_test_simple.dts')
- output = tools.GetOutputFilename('output')
- self.run_test(['all'], dtb_file, output)
- data = tools.ReadFile(output, binary=False)
- self._check_strings(self.platdata_text + self.struct_text, data)
- def test_no_command(self):
- """Test running dtoc without a command"""
- with self.assertRaises(ValueError) as exc:
- self.run_test([], '', '')
- self.assertIn("Please specify a command: struct, platdata",
- str(exc.exception))
- def test_bad_command(self):
- """Test running dtoc with an invalid command"""
- dtb_file = get_dtb_file('dtoc_test_simple.dts')
- output = tools.GetOutputFilename('output')
- with self.assertRaises(ValueError) as exc:
- self.run_test(['invalid-cmd'], dtb_file, output)
- self.assertIn("Unknown command 'invalid-cmd': (use: platdata, struct)",
- str(exc.exception))
- @staticmethod
- def test_scan_drivers():
- """Test running dtoc with additional drivers to scan"""
- dtb_file = get_dtb_file('dtoc_test_simple.dts')
- output = tools.GetOutputFilename('output')
- with test_util.capture_sys_output() as _:
- dtb_platdata.run_steps(
- ['struct'], dtb_file, False, output, [], True,
- [None, '', 'tools/dtoc/dtoc_test_scan_drivers.cxx'])
- @staticmethod
- def test_unicode_error():
- """Test running dtoc with an invalid unicode file
- To be able to perform this test without adding a weird text file which
- would produce issues when using checkpatch.pl or patman, generate the
- file at runtime and then process it.
- """
- dtb_file = get_dtb_file('dtoc_test_simple.dts')
- output = tools.GetOutputFilename('output')
- driver_fn = '/tmp/' + next(tempfile._get_candidate_names())
- with open(driver_fn, 'wb+') as fout:
- fout.write(b'\x81')
- with test_util.capture_sys_output() as _:
- dtb_platdata.run_steps(['struct'], dtb_file, False, output, [],
- True, [driver_fn])
- def test_driver(self):
- """Test the Driver class"""
- drv1 = dtb_platdata.Driver('fred')
- drv2 = dtb_platdata.Driver('mary')
- drv3 = dtb_platdata.Driver('fred')
- self.assertEqual("Driver(name='fred')", str(drv1))
- self.assertEqual(drv1, drv3)
- self.assertNotEqual(drv1, drv2)
- self.assertNotEqual(drv2, drv3)
- def test_output_conflict(self):
- """Test a conflict between and output dirs and output file"""
- with self.assertRaises(ValueError) as exc:
- dtb_platdata.run_steps(['all'], None, False, 'out', ['cdir'], True)
- self.assertIn("Must specify either output or output_dirs, not both",
- str(exc.exception))
- def test_output_dirs(self):
- """Test outputting files to a directory"""
- # Remove the directory so that files from other tests are not there
- tools._RemoveOutputDir()
- tools.PrepareOutputDir(None)
- # This should create the .dts and .dtb in the output directory
- dtb_file = get_dtb_file('dtoc_test_simple.dts')
- outdir = tools.GetOutputDir()
- fnames = glob.glob(outdir + '/*')
- self.assertEqual(2, len(fnames))
- dtb_platdata.run_steps(['all'], dtb_file, False, None, [outdir], True)
- fnames = glob.glob(outdir + '/*')
- self.assertEqual(4, len(fnames))
- leafs = set(os.path.basename(fname) for fname in fnames)
- self.assertEqual(
- {'dt-structs-gen.h', 'source.dts', 'dt-platdata.c', 'source.dtb'},
- leafs)
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