Acelogic
1510d8c6ce
An EL2 monitor/hypervisor and toolchain that boots macOS 27 on the ASUS A16 (Snapdragon X2 Elite), with an Adreno Metal plug-in and IOGPU kext, and air2ir3, an AIR to Mesa ir3 shader compiler. MIT, with GPL-2.0 components listed in LICENSE and THIRD_PARTY_NOTICES.md. No Apple, Qualcomm, ASUS or Microsoft binaries are included.
55 lines
2.5 KiB
Python
Executable File
55 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python3
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# SPDX-License-Identifier: MIT
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import importlib.util
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from pathlib import Path
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import struct
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import sys
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import unittest
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ROOT = Path(__file__).resolve().parent.parent
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sys.path.insert(0, str(ROOT / 'probes'))
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from clockcontract import validate_counter_image
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class ClockContractTests(unittest.TestCase):
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def test_direct_frequency_all_registers_and_directions(self):
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for base in (0xd53be000, 0xd51be000):
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for rt in range(32):
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data = struct.pack('<II', 0xd503201f, base | rt)
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segs = [('code', 0x1000, len(data), 0, len(data))]
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with self.assertRaisesRegex(ValueError, 'CNTFRQ_EL0 at 0x1004'):
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validate_counter_image(data, segs, 19200000, 24000000)
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self.assertEqual(validate_counter_image(data, segs, 24000000, 24000000), 2)
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def test_only_executable_file_ranges(self):
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data = struct.pack('<IIII', 0xd53be000, 0xd53be040, 0xd53be020, 0xd503201f)
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segs = [('counter-code', 0x2000, 64, 4, 12)]
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self.assertEqual(validate_counter_image(data, segs, 19200000, 24000000), 3)
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for bad in [[], [('bad', 0, 4, 0, 8)], [('bad', 0, 16, 4, 16)],
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[('bad', 0, 4, 0, 3)], [('bad', 1, 4, 0, 4)],
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[('bad', 0, 4, -4, 4)]]:
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with self.assertRaises(ValueError):
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validate_counter_image(data, bad, 19200000, 24000000)
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for hz in (0, -1, 1 << 32, 19.2, None):
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with self.assertRaises(ValueError):
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validate_counter_image(data, segs, hz, 24000000)
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with self.assertRaises(ValueError):
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validate_counter_image(data, segs, 19200000, hz)
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def test_macho_protection_selects_code_without_name_assumptions(self):
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spec = importlib.util.spec_from_file_location('kc_load', ROOT / 'tools/kc-load.py')
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module = importlib.util.module_from_spec(spec)
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spec.loader.exec_module(module)
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data = bytearray(256)
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struct.pack_into('<IiiII', data, 0, 0xfeedfacf, 0, 0, 2, 2)
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for i, (name, prot) in enumerate([(b'odd-code-name', 5), (b'__TEXT_EXEC', 1)]):
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pos = 32 + i * 72
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struct.pack_into('<II16sQQQQiiII', data, pos, 0x19, 72, name,
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0x1000 + i * 0x1000, 4, 240 + i * 4, 4, 7, prot, 0, 0)
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image = module.Image(bytes(data))
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self.assertEqual([s[0] for s in image.executable_segments], ['odd-code-name'])
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if __name__ == '__main__':
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unittest.main()
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