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.
70 lines
4.2 KiB
Python
Executable File
70 lines
4.2 KiB
Python
Executable File
#!/usr/bin/env python3
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# SPDX-License-Identifier: MIT
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"""Read the ISC at idle generation68 after the generation67 snapshot; no SSD writes.
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Derived from capture-ca-composite-isc.py. The snapshot and its persistence were
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taken at idle generation67 (records ee3e8c5b / 7786e2ea); the A16 then went idle
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to generation68 on the q1n1-early-stop stage pair without running a guest.
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Stage binding preflight (both --check and a real run, before any connection):
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q1n1/tools/nvme_hash.py places its helper in the running stage's slot only when
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the running .text equals q1n1/build/uefi/stage/hardware[-alt].elf. The stage the
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last retirement chainloaded must therefore be that checkout's stage binary for
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the slot; otherwise NativeHash refuses after the 256 MiB ISC read.
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Failure inventory: stale generation, changed snapshot/persistence evidence,
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incorrect disk identity, partial read, copy/hash mismatch, SError, or a running
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stage the native hash helper cannot bind to.
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"""
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from pathlib import Path
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import hashlib
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import json
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ROOT = Path(__file__).resolve().parents[1]
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Q1N1 = ROOT.parent / 'q1n1'
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RETIREMENT = ROOT / 'build/idle-gen67-early-stop-stage-20260928-retirement-v1.json'
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RETIREMENT_SHA = '39447376454d0a6d15c8bbf8f4c0bee3bc3c643666f35f5e9a2ab7378473d2db'
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sha = lambda p: hashlib.sha256(Path(p).read_bytes()).hexdigest()
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retired = json.loads(RETIREMENT.read_text())
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assert sha(RETIREMENT) == RETIREMENT_SHA
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assert retired['status'] == 'GENERATION68_IDLE' and not retired['ssd_writes'] and retired['generation'] == 67
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assert retired['after']['stage_generation'] == 68 and retired['after']['image_base'] == retired['target_base'] == 0xb0800000
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local = Q1N1 / 'build/uefi/q1n1-stage-alt.bin'
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if sha(local) != retired['chosen_stage']['sha256']:
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raise SystemExit(json.dumps(dict(status='REFUSED_STAGE_BINDING', hardware_access=False,
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running_stage=retired['chosen_stage'], native_hash_elf=str(Q1N1 / 'build/uefi/stage/hardware-alt.elf'),
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native_hash_stage=dict(path=str(local), sha256=sha(local)),
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reason='the A16 runs a stage whose text the q1n1 native hash helper cannot bind; '
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'NativeHash would refuse after the ISC read')))
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base = ROOT / 'build/capture-metal-raw-sign-isc-20260927.py'
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assert hashlib.sha256(base.read_bytes()).hexdigest() == 'b44ef6b0d439a2f2a6124b35fa6c2332e496c4125c04048860a5efd45454e9be'
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source = base.read_text()
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changes = {
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"base = Path(__file__).with_name('capture-installed-metal-isc-20260926.py')":
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"base = ROOT / 'build/capture-installed-metal-isc-20260926.py'",
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'installed-metal-raw-sign-3600s-20260927': 'installed-metal-ca-memo-2400s-20260928',
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'3eb863e803be5b9436156d025b88bfbc3a3d317620d2276fbd123b40a587ac9e': 'ee3e8c5bba606d43bf12d1c4b06071592becbcd167946dddd26add8dc5492863',
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'raw-sign-report-snapshot-v1': '../ca-memo-deploy-20260928/snapshot-v1',
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'raw-sign-isc-v1': 'isc-v1',
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"persistence['bootinfo']['stage_generation']==45": "persistence['bootinfo']['stage_generation']==67",
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"snapshot['generation']==45": "snapshot['generation']==67",
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"\"info['stage_generation']==45\"": "\"info['stage_generation']==68\"",
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'generation=45': 'generation=68',
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'Generation45 ISC': 'Generation68 ISC',
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}
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for old, new in changes.items():
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assert source.count(old) == (2 if old == 'raw-sign-report-snapshot-v1' else 1), old
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source = source.replace(old, new)
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assert '==45' not in source
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anchor = "code = compile(source, str(base), 'exec')"
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assert source.count(anchor) == 1
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extra = {
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"BASE=ROOT/'build/installed-metal-20260926'": "BASE=ROOT/'build/shader-cache-deploy-20260928'",
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"manifest=json.loads((BASE/'bootstrap-delta-v2/manifest.json').read_text())":
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"manifest=json.loads((ROOT.parent/'Snapintosh-adreno-composite/build/ca-composite-deploy-20260928/delta-v1/manifest.json').read_text())",
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"assert status==0 and 'on AC' in battery['text']": "assert status==0 and battery['plausible'] and (battery['ac'] or battery['percent']>=30)",
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}
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injected = ''.join(f'assert source.count({old!r}) == 1, {old!r}\nsource = source.replace({old!r}, {new!r})\n' for old, new in extra.items())
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source = source.replace(anchor, injected + anchor)
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exec(compile(source, str(base), 'exec'), dict(__file__=__file__, __name__='__main__', ROOT=ROOT))
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