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u-boot/tools/patman/test_checkpatch.py
Simon Glass 48be546b70 checkpatch: Add a warning for pre-schema driver model tags 
Help ensure that these don't creep into development by adding a check in
checkpatch for them.

Signed-off-by: Simon Glass <sjg@chromium.org>
2023-02-14 09:43:27 -07:00

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# -*- coding: utf-8 -*-
# SPDX-License-Identifier: GPL-2.0+
#
# Tests for U-Boot-specific checkpatch.pl features
#
# Copyright (c) 2011 The Chromium OS Authors.
#
import os
import tempfile
import unittest
from patman import checkpatch
from patman import gitutil
from patman import patchstream
from patman import series
from patman import commit
class Line:
def __init__(self, fname, text):
self.fname = fname
self.text = text
class PatchMaker:
def __init__(self):
self.lines = []
def add_line(self, fname, text):
self.lines.append(Line(fname, text))
def get_patch_text(self):
base = '''From 125b77450f4c66b8fd9654319520bbe795c9ef31 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Sun, 14 Jun 2020 09:45:14 -0600
Subject: [PATCH] Test commit
This is a test commit.
Signed-off-by: Simon Glass <sjg@chromium.org>
---
'''
lines = base.splitlines()
# Create the diffstat
change = 0
insert = 0
for line in self.lines:
lines.append(' %s | 1 +' % line.fname)
change += 1
insert += 1
lines.append(' %d files changed, %d insertions(+)' % (change, insert))
lines.append('')
# Create the patch info for each file
for line in self.lines:
lines.append('diff --git a/%s b/%s' % (line.fname, line.fname))
lines.append('index 7837d459f18..5ba7840f68e 100644')
lines.append('--- a/%s' % line.fname)
lines.append('+++ b/%s' % line.fname)
lines += ('''@@ -121,6 +121,7 @@ enum uclass_id {
UCLASS_W1, /* Dallas 1-Wire bus */
UCLASS_W1_EEPROM, /* one-wire EEPROMs */
UCLASS_WDT, /* Watchdog Timer driver */
+%s
UCLASS_COUNT,
UCLASS_INVALID = -1,
''' % line.text).splitlines()
lines.append('---')
lines.append('2.17.1')
return '\n'.join(lines)
def get_patch(self):
inhandle, inname = tempfile.mkstemp()
infd = os.fdopen(inhandle, 'w')
infd.write(self.get_patch_text())
infd.close()
return inname
def run_checkpatch(self):
return checkpatch.check_patch(self.get_patch(), show_types=True)
class TestPatch(unittest.TestCase):
"""Test the u_boot_line() function in checkpatch.pl"""
def test_basic(self):
"""Test basic filter operation"""
data='''
From 656c9a8c31fa65859d924cd21da920d6ba537fad Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Thu, 28 Apr 2011 09:58:51 -0700
Subject: [PATCH (resend) 3/7] Tegra2: Add more clock support
This adds functions to enable/disable clocks and reset to on-chip peripherals.
cmd/pci.c:152:11: warning: format ‘%llx’ expects argument of type
‘long long unsigned int’, but argument 3 has type
‘u64 {aka long unsigned int}’ [-Wformat=]
BUG=chromium-os:13875
TEST=build U-Boot for Seaboard, boot
Change-Id: I80fe1d0c0b7dd10aa58ce5bb1d9290b6664d5413
Review URL: http://codereview.chromium.org/6900006
Signed-off-by: Simon Glass <sjg@chromium.org>
---
arch/arm/cpu/armv7/tegra2/Makefile | 2 +-
arch/arm/cpu/armv7/tegra2/ap20.c | 57 ++----
arch/arm/cpu/armv7/tegra2/clock.c | 163 +++++++++++++++++
'''
expected='''Message-Id: <19991231235959.0.I80fe1d0c0b7dd10aa58ce5bb1d9290b6664d5413@changeid>
From 656c9a8c31fa65859d924cd21da920d6ba537fad Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Thu, 28 Apr 2011 09:58:51 -0700
Subject: [PATCH (resend) 3/7] Tegra2: Add more clock support
This adds functions to enable/disable clocks and reset to on-chip peripherals.
cmd/pci.c:152:11: warning: format ‘%llx’ expects argument of type
‘long long unsigned int’, but argument 3 has type
‘u64 {aka long unsigned int}’ [-Wformat=]
Signed-off-by: Simon Glass <sjg@chromium.org>
---
arch/arm/cpu/armv7/tegra2/Makefile | 2 +-
arch/arm/cpu/armv7/tegra2/ap20.c | 57 ++----
arch/arm/cpu/armv7/tegra2/clock.c | 163 +++++++++++++++++
'''
out = ''
inhandle, inname = tempfile.mkstemp()
infd = os.fdopen(inhandle, 'w', encoding='utf-8')
infd.write(data)
infd.close()
exphandle, expname = tempfile.mkstemp()
expfd = os.fdopen(exphandle, 'w', encoding='utf-8')
expfd.write(expected)
expfd.close()
# Normally by the time we call fix_patch we've already collected
# metadata. Here, we haven't, but at least fake up something.
# Set the "count" to -1 which tells fix_patch to use a bogus/fixed
# time for generating the Message-Id.
com = commit.Commit('')
com.change_id = 'I80fe1d0c0b7dd10aa58ce5bb1d9290b6664d5413'
com.count = -1
patchstream.fix_patch(None, inname, series.Series(), com)
rc = os.system('diff -u %s %s' % (inname, expname))
self.assertEqual(rc, 0)
os.remove(inname)
os.remove(expname)
def get_data(self, data_type):
data='''From 4924887af52713cabea78420eff03badea8f0035 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Thu, 7 Apr 2011 10:14:41 -0700
Subject: [PATCH 1/4] Add microsecond boot time measurement
This defines the basics of a new boot time measurement feature. This allows
logging of very accurate time measurements as the boot proceeds, by using
an available microsecond counter.
%s
---
README | 11 ++++++++
MAINTAINERS | 3 ++
common/bootstage.c | 50 ++++++++++++++++++++++++++++++++++++
include/bootstage.h | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++
include/common.h | 8 ++++++
5 files changed, 141 insertions(+), 0 deletions(-)
create mode 100644 common/bootstage.c
create mode 100644 include/bootstage.h
diff --git a/README b/README
index 6f3748d..f9e4e65 100644
--- a/README
+++ b/README
@@ -2026,6 +2026,17 @@ The following options need to be configured:
example, some LED's) on your board. At the moment,
the following checkpoints are implemented:
+- Time boot progress
+ CONFIG_BOOTSTAGE
+
+ Define this option to enable microsecond boot stage timing
+ on supported platforms. For this to work your platform
+ needs to define a function timer_get_us() which returns the
+ number of microseconds since reset. This would normally
+ be done in your SOC or board timer.c file.
+
+ You can add calls to bootstage_mark() to set time markers.
+
- Standalone program support:
CONFIG_STANDALONE_LOAD_ADDR
diff --git a/MAINTAINERS b/MAINTAINERS
index b167b028ec..beb7dc634f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -474,3 +474,8 @@ S: Maintained
T: git git://git.denx.de/u-boot.git
F: *
F: */
+
+BOOTSTAGE
+M: Simon Glass <sjg@chromium.org>
+L: u-boot@lists.denx.de
+F: common/bootstage.c
diff --git a/common/bootstage.c b/common/bootstage.c
new file mode 100644
index 0000000..2234c87
--- /dev/null
+++ b/common/bootstage.c
@@ -0,0 +1,37 @@
+%s
+/*
+ * Copyright (c) 2011, Google Inc. All rights reserved.
+ *
+ */
+
+/*
+ * This module records the progress of boot and arbitrary commands, and
+ * permits accurate timestamping of each. The records can optionally be
+ * passed to kernel in the ATAGs
+ */
+
+#include <common.h>
+
+struct bootstage_record {
+ u32 time_us;
+ const char *name;
+};
+
+static struct bootstage_record record[BOOTSTAGE_COUNT];
+
+u32 bootstage_mark(enum bootstage_id id, const char *name)
+{
+ struct bootstage_record *rec = &record[id];
+
+ /* Only record the first event for each */
+%sif (!rec->name) {
+ rec->time_us = (u32)timer_get_us();
+ rec->name = name;
+ }
+ if (!rec->name &&
+ %ssomething_else) {
+ rec->time_us = (u32)timer_get_us();
+ rec->name = name;
+ }
+%sreturn rec->time_us;
+}
--
1.7.3.1
'''
signoff = 'Signed-off-by: Simon Glass <sjg@chromium.org>\n'
license = '// SPDX-License-Identifier: GPL-2.0+'
tab = ' '
indent = ' '
if data_type == 'good':
pass
elif data_type == 'no-signoff':
signoff = ''
elif data_type == 'no-license':
license = ''
elif data_type == 'spaces':
tab = ' '
elif data_type == 'indent':
indent = tab
else:
print('not implemented')
return data % (signoff, license, tab, indent, tab)
def setup_data(self, data_type):
inhandle, inname = tempfile.mkstemp()
infd = os.fdopen(inhandle, 'w')
data = self.get_data(data_type)
infd.write(data)
infd.close()
return inname
def test_good(self):
"""Test checkpatch operation"""
inf = self.setup_data('good')
result = checkpatch.check_patch(inf)
self.assertEqual(result.ok, True)
self.assertEqual(result.problems, [])
self.assertEqual(result.errors, 0)
self.assertEqual(result.warnings, 0)
self.assertEqual(result.checks, 0)
self.assertEqual(result.lines, 62)
os.remove(inf)
def test_no_signoff(self):
inf = self.setup_data('no-signoff')
result = checkpatch.check_patch(inf)
self.assertEqual(result.ok, False)
self.assertEqual(len(result.problems), 1)
self.assertEqual(result.errors, 1)
self.assertEqual(result.warnings, 0)
self.assertEqual(result.checks, 0)
self.assertEqual(result.lines, 62)
os.remove(inf)
def test_no_license(self):
inf = self.setup_data('no-license')
result = checkpatch.check_patch(inf)
self.assertEqual(result.ok, False)
self.assertEqual(len(result.problems), 1)
self.assertEqual(result.errors, 0)
self.assertEqual(result.warnings, 1)
self.assertEqual(result.checks, 0)
self.assertEqual(result.lines, 62)
os.remove(inf)
def test_spaces(self):
inf = self.setup_data('spaces')
result = checkpatch.check_patch(inf)
self.assertEqual(result.ok, False)
self.assertEqual(len(result.problems), 3)
self.assertEqual(result.errors, 0)
self.assertEqual(result.warnings, 3)
self.assertEqual(result.checks, 0)
self.assertEqual(result.lines, 62)
os.remove(inf)
def test_indent(self):
inf = self.setup_data('indent')
result = checkpatch.check_patch(inf)
self.assertEqual(result.ok, False)
self.assertEqual(len(result.problems), 1)
self.assertEqual(result.errors, 0)
self.assertEqual(result.warnings, 0)
self.assertEqual(result.checks, 1)
self.assertEqual(result.lines, 62)
os.remove(inf)
def check_single_message(self, pm, msg, pmtype = 'warning'):
"""Helper function to run checkpatch and check the result
Args:
pm: PatchMaker object to use
msg: Expected message (e.g. 'LIVETREE')
pmtype: Type of problem ('error', 'warning')
"""
result = pm.run_checkpatch()
if pmtype == 'warning':
self.assertEqual(result.warnings, 1)
elif pmtype == 'error':
self.assertEqual(result.errors, 1)
if len(result.problems) != 1:
print(result.problems)
self.assertEqual(len(result.problems), 1)
self.assertIn(msg, result.problems[0]['cptype'])
def test_uclass(self):
"""Test for possible new uclass"""
pm = PatchMaker()
pm.add_line('include/dm/uclass-id.h', 'UCLASS_WIBBLE,')
self.check_single_message(pm, 'NEW_UCLASS')
def test_livetree(self):
"""Test for using the livetree API"""
pm = PatchMaker()
pm.add_line('common/main.c', 'fdtdec_do_something()')
self.check_single_message(pm, 'LIVETREE')
def test_new_command(self):
"""Test for adding a new command"""
pm = PatchMaker()
pm.add_line('common/main.c', 'do_wibble(struct cmd_tbl *cmd_tbl)')
self.check_single_message(pm, 'CMD_TEST')
def test_prefer_if(self):
"""Test for using #ifdef"""
pm = PatchMaker()
pm.add_line('common/main.c', '#ifdef CONFIG_YELLOW')
pm.add_line('common/init.h', '#ifdef CONFIG_YELLOW')
pm.add_line('fred.dtsi', '#ifdef CONFIG_YELLOW')
self.check_single_message(pm, "PREFER_IF")
def test_command_use_defconfig(self):
"""Test for enabling/disabling commands using preprocesor"""
pm = PatchMaker()
pm.add_line('common/main.c', '#undef CONFIG_CMD_WHICH')
self.check_single_message(pm, 'DEFINE_CONFIG_SYM', 'error')
def test_barred_include_in_hdr(self):
"""Test for using a barred include in a header file"""
pm = PatchMaker()
#pm.add_line('include/myfile.h', '#include <common.h>')
pm.add_line('include/myfile.h', '#include <dm.h>')
self.check_single_message(pm, 'BARRED_INCLUDE_IN_HDR', 'error')
def test_config_is_enabled_config(self):
"""Test for accidental CONFIG_IS_ENABLED(CONFIG_*) calls"""
pm = PatchMaker()
pm.add_line('common/main.c', 'if (CONFIG_IS_ENABLED(CONFIG_CLK))')
self.check_single_message(pm, 'CONFIG_IS_ENABLED_CONFIG', 'error')
def check_struct(self, auto, suffix, warning):
"""Check one of the warnings for struct naming
Args:
auto: Auto variable name, e.g. 'per_child_auto'
suffix: Suffix to expect on member, e.g. '_priv'
warning: Warning name, e.g. 'PRIV_AUTO'
"""
pm = PatchMaker()
pm.add_line('common/main.c', '.%s = sizeof(struct(fred)),' % auto)
pm.add_line('common/main.c', '.%s = sizeof(struct(mary%s)),' %
(auto, suffix))
self.check_single_message(
pm, warning, "struct 'fred' should have a %s suffix" % suffix)
def test_dm_driver_auto(self):
"""Check for the correct suffix on 'struct driver' auto members"""
self.check_struct('priv_auto', '_priv', 'PRIV_AUTO')
self.check_struct('plat_auto', '_plat', 'PLAT_AUTO')
self.check_struct('per_child_auto', '_priv', 'CHILD_PRIV_AUTO')
self.check_struct('per_child_plat_auto', '_plat', 'CHILD_PLAT_AUTO')
def test_dm_uclass_auto(self):
"""Check for the correct suffix on 'struct uclass' auto members"""
# Some of these are omitted since they match those from struct driver
self.check_struct('per_device_auto', '_priv', 'DEVICE_PRIV_AUTO')
self.check_struct('per_device_plat_auto', '_plat', 'DEVICE_PLAT_AUTO')
def check_strl(self, func):
"""Check one of the checks for strn(cpy|cat)"""
pm = PatchMaker()
pm.add_line('common/main.c', "strn%s(foo, bar, sizeof(foo));" % func)
self.check_single_message(pm, "STRL",
"strl%s is preferred over strn%s because it always produces a nul-terminated string\n"
% (func, func))
def test_strl(self):
"""Check for uses of strn(cat|cpy)"""
self.check_strl("cat");
self.check_strl("cpy");
def test_schema(self):
"""Check for uses of strn(cat|cpy)"""
pm = PatchMaker()
pm.add_line('arch/sandbox/dts/sandbox.dtsi', '\tu-boot,dm-pre-proper;')
self.check_single_message(pm, 'PRE_SCHEMA', 'error')
if __name__ == "__main__":
unittest.main()
gitutil.RunTests()
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