Use a 64 bit read to access GICR_TYPER
The GICv3 ITS only needs to implement 32 bit access to the GICR_TYPER when the CPU implements AArch32. As this may not always be the case use a 64 bit read when checking if the ITS is enabled on the CPU. PR: 258217 Reported by: Olivier Delande <olivier.delande@provenrun.com> Sponsored by: The FreeBSD Foundation
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@ -710,7 +710,7 @@ its_init_cpu(device_t dev, struct gicv3_its_softc *sc)
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return (0);
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/* Check if the ITS is enabled on this CPU */
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if ((gic_r_read_4(gicv3, GICR_TYPER) & GICR_TYPER_PLPIS) == 0)
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if ((gic_r_read_8(gicv3, GICR_TYPER) & GICR_TYPER_PLPIS) == 0)
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return (ENXIO);
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rpcpu = gicv3_get_redist(dev);
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