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Differential D49557

arm64: Add coherent busdma implementation
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Authored by andrew on Mar 28 2025, 5:16 PM.
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Details

Reviewers
manu
Group Reviewers
arm64
Summary

Support a busdma implementation that can be used when the device is
cache-coherent. Because devices are cache coherent we can skip the
cacheline checks and all cache management.

Sponsored by: Arm Ltd

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Skipped
Unit
Tests Skipped
Build Status
Buildable 63182
Build 60066: arc lint + arc unit

Revision Contents
Changeset List

PathSize
sys/
arm64/
arm64/
46 lines
28 lines
15 lines
include/
1 line

Diff 152800

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sys/arm64/arm64/busdma_bounce.h

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sys/arm64/arm64/busdma_bounce.c

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sys/arm64/arm64/busdma_machdep.c

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sys/arm64/include/bus_dma_impl.h

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