mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
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03c2660f75
Add void entries to ensure proper alignment of data in the TL, addressing runtime errors caused by previously unaccounted padding bytes between TE's. Change-Id: Id2acee8f4df0dcc52eedc4372b962a51acb9d8ce Signed-off-by: J-Alves <joao.alves@arm.com> Co-authored-by:: Harrison Mutai <harrison.mutai@arm.com>
95 lines
1.9 KiB
Python
95 lines
1.9 KiB
Python
#!/usr/bin/env python3
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# type: ignore[attr-defined]
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#
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# Copyright (c) 2024, Arm Limited. All rights reserved.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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""" Common configurations and fixtures for test environment."""
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from random import randint
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import pytest
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import yaml
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from click.testing import CliRunner
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from tlc.cli import cli
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def generate_random_bytes(n):
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return bytes([randint(0, 255) for _ in range(n)])
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@pytest.fixture
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def tmptlstr(tmpdir):
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return tmpdir.join("tl.bin").strpath
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@pytest.fixture
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def tmpyamlconfig(tmpdir):
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return tmpdir.join("config.yaml").strpath
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@pytest.fixture
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def tmpfdt(tmpdir):
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fdt = tmpdir.join("fdt.dtb")
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fdt.write_binary(b"\x00" * 100)
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return fdt
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@pytest.fixture(params=[1, 2, 3, 4, 5, 0x100, 0x101, 0x102, 0x104])
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def non_empty_tag_id(request):
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return request.param
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@pytest.fixture
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def tmpyamlconfig_blob_file(tmpdir, tmpfdt, non_empty_tag_id):
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config_path = tmpdir.join("config.yaml")
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config = {
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"has_checksum": True,
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"max_size": 0x1000,
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"entries": [
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{
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"tag_id": non_empty_tag_id,
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"blob_file_path": tmpfdt.strpath,
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},
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],
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}
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with open(config_path, "w") as f:
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yaml.safe_dump(config, f)
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return config_path
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@pytest.fixture
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def tlcrunner(tmptlstr):
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runner = CliRunner()
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with runner.isolated_filesystem():
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runner.invoke(cli, ["create", "--size", 0x1F000, tmptlstr])
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return runner
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@pytest.fixture
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def tlc_entries(tmpfdt):
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return [(0, "/dev/null"), (1, tmpfdt.strpath), (0x102, tmpfdt.strpath)]
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@pytest.fixture
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def random_entry():
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def _random_entry(max_size):
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return randint(0, 0xFFFFFF), generate_random_bytes(randint(0, max_size))
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return _random_entry
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@pytest.fixture
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def random_entries(random_entry):
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def _random_entries(n=5, max_size=0x100):
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for _ in range(n):
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yield random_entry(max_size)
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return _random_entries
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