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Differential D44914

arm64/gicv3: Check if the hardware supports LPIs
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Authored by andrew on Apr 23 2024, 2:58 PM.
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manu
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arm64
Commits
rG2f54bff74a4b: arm64/gicv3: Check if the hardware supports LPIs
rGd7385a251abf: arm64/gicv3: Check if the hardware supports LPIs
rG4ab0f5ab3fd6: arm64/gicv3: Check if the hardware supports LPIs
Summary

Some simulators have the ITS in the DTB passed to the kernel, however
it is a runtime configuration option to enable it.

Check the GICD_TYPER register to see if LPIs are enabled before
attaching the ITS driver.

Sponsored by: Arm Ltd

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rG FreeBSD src repository
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sys/
arm64/
arm64/
4 lines
2 lines
6 lines

Diff 138344

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sys/arm64/arm64/gic_v3.c

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sys/arm64/arm64/gic_v3_var.h

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sys/arm64/arm64/gicv3_its.c

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