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# SPDX-License-Identifier: GPL-2.0
# Copyright 2023 Google LLC
# Written by Simon Glass <sjg@chromium.org>
"""Test handling of unmigrated u-boot,dm- tags"""
import os
import pytest
import u_boot_utils as util
# This is needed for Azure, since the default '..' directory is not writeable
TMPDIR1 = '/tmp/test_no_migrate'
TMPDIR2 = '/tmp/test_no_migrate_spl'
TMPDIR3 = '/tmp/test_migrate'
def build_for_migrate(cons, replace_pair, board, tmpdir, disable_migrate=True):
"""Build an updated U-Boot with a slightly modified device tree
Args:
cons (ConsoleBase): U-Boot console
replace_pair (tuple):
String to find
String to replace it with
board (str): Board to build
tmpdir (str): Temporary directory to use
disable_migrate (bool): True to disable CONFIG_OF_TAG_MIGRATE in build
"""
srcdir = cons.config.source_dir
build_dir = cons.config.build_dir
# Get the source for the existing dts
dt_dir = os.path.join(build_dir, 'arch', 'sandbox', 'dts')
orig_fname = os.path.join(dt_dir, 'sandbox.dtb')
out_dts = os.path.join(dt_dir, 'sandbox_out.dts')
util.run_and_log(cons, ['dtc', orig_fname, '-I', 'dtb', '-O', 'dts',
'-o', out_dts])
# Update it to use an old tag
with open(out_dts) as inf:
data = inf.read()
data = data.replace(*replace_pair)
dts_fname = os.path.join(dt_dir, 'sandbox_oldtag.dts')
with open(dts_fname, 'w') as outf:
print(data, file=outf)
dtb_fname = os.path.join(dt_dir, 'sandbox_oldtag.dtb')
util.run_and_log(cons, ['dtc', dts_fname, '-o', dtb_fname])
migrate = ['-a', '~CONFIG_OF_TAG_MIGRATE'] if disable_migrate else []
# Build sandbox with this new dtb, turning off OF_TAG_MIGRATE
env = dict(os.environ)
env['EXT_DTB'] = dtb_fname
env['DEVICE_TREE'] = 'sandbox_new'
env['NO_LTO'] = '1' # Speed up build
out = util.run_and_log(
cons, ['./tools/buildman/buildman', '-m', '--board', board,
*migrate, '-w', '-o', tmpdir], ignore_errors=True, env=env)
return out
@pytest.mark.slow
@pytest.mark.boardspec('sandbox')
def test_of_no_migrate(u_boot_console):
"""Test sandbox with old boot phase tags like u-boot,dm-pre-proper"""
cons = u_boot_console
build_for_migrate(cons, ['bootph-some-ram', 'u-boot,dm-pre-proper'],
'sandbox', TMPDIR1)
# It should fail to run, since the lcd device will not be bound before
# relocation. so won't get its frame-buffer memory
out = util.run_and_log(
cons, [os.path.join(TMPDIR1, 'u-boot'), '-D', '-c', 'help'],
ignore_errors=True)
assert "Video device 'lcd' cannot allocate frame buffer memory" in out
@pytest.mark.slow
@pytest.mark.boardspec('sandbox_spl')
@pytest.mark.boardspec('spl_of_platdata_inst')
@pytest.mark.boardspec('!sandbox_tpl')
def test_of_no_migrate_spl(u_boot_console):
"""Test sandbox with old boot phase tags like u-boot,dm-spl"""
cons = u_boot_console
out = build_for_migrate(cons, ['bootph-pre-ram', 'u-boot,dm-spl'],
'sandbox_spl', TMPDIR2)
# It should fail to build, since the SPL DT will not include 'spl-test'
# node, among others
assert "undefined type ‘struct dtd_sandbox_spl_test’" in out
@pytest.mark.slow
@pytest.mark.boardspec('sandbox')
def test_of_migrate(u_boot_console):
"""Test sandbox shows a message when tags were migrated"""
cons = u_boot_console
build_for_migrate(cons, ['bootph-some-ram', 'u-boot,dm-pre-proper'],
'sandbox', TMPDIR3, disable_migrate=False)
# It should show a migration message
out = util.run_and_log(
cons, [os.path.join(TMPDIR3, 'u-boot'), '-D', '-c', 'help'],
ignore_errors=True)
assert "Warning: Device tree includes old 'u-boot,dm-' tags" in out
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