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.
71 lines
3.4 KiB
Python
Executable File
71 lines
3.4 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# SPDX-License-Identifier: MIT
|
|
from dataclasses import replace
|
|
from pathlib import Path
|
|
import struct
|
|
import sys
|
|
import unittest
|
|
|
|
ROOT = Path(__file__).resolve().parents[1]
|
|
sys.path.insert(0,str(ROOT/'probes'))
|
|
from appledt import DeviceTree, Property
|
|
from guestprofile import J700_26A428
|
|
from pcie import populate_pcie_reset
|
|
|
|
SPEC, = J700_26A428.pcie_reset_boot
|
|
|
|
|
|
def fixture():
|
|
dt=DeviceTree.__new__(DeviceTree)
|
|
dt.nodes={SPEC.bridge:{},SPEC.gpio:{}}
|
|
for path,items in [(SPEC.bridge,{'compatible':b'apcie-bridge\0',
|
|
'function-perst':struct.pack('<I',0x4c),
|
|
'function-perst-tupai':struct.pack('<3I',0x4750494f,112,0)}),
|
|
(SPEC.gpio,{'compatible':b'gpio,t8101\0',
|
|
'#gpio-pins':struct.pack('<I',216),
|
|
'AAPL,phandle':struct.pack('<I',0x4c)})]:
|
|
dt.nodes[path]={k:Property(k,v) for k,v in items.items()}
|
|
return dt
|
|
|
|
|
|
class PCIETests(unittest.TestCase):
|
|
def test_complete_and_idempotent(self):
|
|
dt=fixture();populate_pcie_reset(dt,(SPEC,))
|
|
complete=struct.pack('<4I',0x4c,0x4750494f,112,0)
|
|
self.assertEqual(dt.get(SPEC.bridge,'function-perst'),complete)
|
|
populate_pcie_reset(dt,(SPEC,))
|
|
self.assertEqual(dt.get(SPEC.bridge,'function-perst'),complete)
|
|
|
|
def test_malformed_prefix_variant_and_provider_refused(self):
|
|
for path,key,value in [(SPEC.bridge,'function-perst',b''),
|
|
(SPEC.bridge,'function-perst',struct.pack('<I',0x4d)),
|
|
(SPEC.bridge,'function-perst',struct.pack('<4I',0x4c,0x4750494f,114,0)),
|
|
(SPEC.bridge,'function-perst-tupai',struct.pack('<3I',0x4750494f,113,0)),
|
|
(SPEC.gpio,'#gpio-pins',struct.pack('<I',112)),
|
|
(SPEC.gpio,'AAPL,phandle',bytes(4))]:
|
|
dt=fixture();dt.put(path,key,value);before=dt.get(SPEC.bridge,'function-perst')
|
|
with self.assertRaises(ValueError):populate_pcie_reset(dt,(SPEC,))
|
|
self.assertEqual(dt.get(SPEC.bridge,'function-perst'),before)
|
|
|
|
def test_all_bindings_validate_before_writes(self):
|
|
dt=fixture();before=dt.get(SPEC.bridge,'function-perst')
|
|
with self.assertRaises(ValueError):populate_pcie_reset(dt,(SPEC,SPEC))
|
|
self.assertEqual(dt.get(SPEC.bridge,'function-perst'),before)
|
|
dt.nodes[SPEC.bridge]['function-perst-tupai'].placeholder=True
|
|
with self.assertRaises(ValueError):populate_pcie_reset(dt,(SPEC,))
|
|
self.assertEqual(dt.get(SPEC.bridge,'function-perst'),before)
|
|
with self.assertRaises(ValueError):populate_pcie_reset(fixture(),(replace(SPEC,variant='unknown'),))
|
|
|
|
def test_serialized_guest_and_source_preservation(self):
|
|
import xnuboot as xb
|
|
# Validate the backend contract even when the virtual board defers Wi-Fi.
|
|
dt=DeviceTree(xb.build_devicetree(include_deferred=True).serialize())
|
|
raw=DeviceTree(Path(xb.DEFAULT_DEVICETREE).read_bytes())
|
|
self.assertEqual(len(raw.get(SPEC.bridge,'function-perst')),4)
|
|
self.assertEqual(dt.get(SPEC.bridge,'function-perst'),
|
|
raw.get(SPEC.bridge,'function-perst')+raw.get(SPEC.bridge,'function-perst-tupai'))
|
|
self.assertEqual(dt.get(SPEC.bridge,'function-perst-tahiti'),raw.get(SPEC.bridge,'function-perst-tahiti'))
|
|
|
|
|
|
if __name__=='__main__':unittest.main()
|