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.
33 lines
680 B
ArmAsm
33 lines
680 B
ArmAsm
// SPDX-License-Identifier: MIT
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// Inspect physical zero-block geometry; zero one bounded scratch block at EL2.
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.text
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.globl _start
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_start:
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mrs x1, currentel
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str x1, [x0, #0]
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cmp x1, #8
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b.ne .Lrefuse
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mrs x1, dczid_el0
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str x1, [x0, #8]
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mrs x2, ctr_el0
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str x2, [x0, #16]
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mrs x2, hcr_el2
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str x2, [x0, #24]
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mrs x2, sctlr_el1
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str x2, [x0, #32]
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mrs x2, sctlr_el2
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str x2, [x0, #40]
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// Only the observed 64-byte contract has scratch storage reserved here.
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cmp x1, #4
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b.ne .Lrefuse
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tst x0, #63
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b.ne .Lrefuse
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add x2, x0, #0x100
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dc zva, x2
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dsb sy
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mov x0, #0
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ret
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.Lrefuse:
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mov x0, #1
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ret
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