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.
27 lines
1.1 KiB
Python
Executable File
27 lines
1.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# SPDX-License-Identifier: MIT
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"""Independently check an emulated EL0 counter read against its hardware sample."""
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import struct
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FIELDS='reads pc word value spsr sp root cntkctl raw host_hz guest_hz'.split()
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def audit(raw):
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assert len(raw)==6*11*8
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rows=[]
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for cpu,values in enumerate(struct.iter_unpack('<11Q',raw)):
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row=dict(zip(FIELDS,values),cpu=cpu)
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if row['reads']:
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assert 0<row['pc']<(1<<47)-4 and not row['pc']&3
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assert row['word']&~31==0xd53cfac0
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assert not row['spsr']&31 and not row['spsr']>>32
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assert not row['spsr']&((1<<20)|(1<<5))
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assert 0<row['sp']<(1<<47)
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assert row['root'] and not row['root']&0x3fff
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assert row['cntkctl']&2
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assert row['host_hz']==19200000 and row['guest_hz']==24000000
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assert row['value']==(row['raw']*row['guest_hz']//row['host_hz'])&((1<<64)-1)
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else:
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assert not any(values)
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rows.append(row)
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return dict(reads=sum(r['reads'] for r in rows),rows=rows)
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