riscv: reject CPUs with mmu-type "riscv,none"
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Authored by mhorne on Oct 13 2022, 6:29 PM.

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rGd0ede7bd59e5: riscv: reject CPUs with mmu-type "riscv,none"
rG330acb188324: riscv: reject CPUs with mmu-type "riscv,none"

Summary

According to riscv/cpus.yaml in the device-tree docs, this property may
exist but indicate that the CPU does not have an MMU. Detect this
possibility.

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rG FreeBSD src repository

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No Test Coverage

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Buildable 47834
Build 44721: arc lint + arc unit

Event Timeline

mhorne created this revision.Oct 13 2022, 6:29 PM

Herald added a subscriber: imp. · View Herald TranscriptOct 13 2022, 6:29 PM

mhorne requested review of this revision.Oct 13 2022, 6:29 PM

Harbormaster completed remote builds in B47834: Diff 111770.Oct 13 2022, 6:29 PM

jhb accepted this revision.Oct 19 2022, 12:38 AM

This revision is now accepted and ready to land.Oct 19 2022, 12:38 AM

Closed by commit rG330acb188324: riscv: reject CPUs with mmu-type "riscv,none" (authored by mhorne). · Explain WhyOct 20 2022, 3:04 PM

This revision was automatically updated to reflect the committed changes.

mhorne added a commit: rG330acb188324: riscv: reject CPUs with mmu-type "riscv,none".

mhorne added a commit: rGd0ede7bd59e5: riscv: reject CPUs with mmu-type "riscv,none".Oct 28 2022, 2:11 PM

Revision Contents
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sys/

riscv/

mp_machdep.c

28 lines

Diff 111770

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sys/riscv/riscv/mp_machdep.c

riscv: reject CPUs with mmu-type "riscv,none"ClosedPublicActions