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Differential D20349

arm64: efi: Map memory IO region as device
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Authored by manu on May 22 2019, 5:08 AM.
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arm64
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Sponsored by: Ampere Computing, LLC

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rS FreeBSD src repository - subversion
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manu created this revision.May 22 2019, 5:08 AM
Herald added subscribers: emaste, imp. · View Herald TranscriptMay 22 2019, 5:08 AM
andrew accepted this revision.May 22 2019, 12:03 PM
This revision is now accepted and ready to land.May 22 2019, 12:03 PM
andrew requested changes to this revision.May 22 2019, 12:19 PM

Having thought about it more I'm not sure this is correct. I think we should make the default case VM_MEMATTR_DEVICE. EFI_MD_ATTR_WC Is also wrong as it should be VM_MEMATTR_UNCACHEABLE so should be fixed at some stage.

This revision now requires changes to proceed.May 22 2019, 12:19 PM
manu updated this revision to Diff 57750.May 23 2019, 6:44 AM

Default to DEVICE and while here check is XP atttribute is set and set UXN/PXN if it is.

andrew accepted this revision.May 26 2019, 10:29 AM
This revision is now accepted and ready to land.May 26 2019, 10:29 AM
manu closed this revision.Jul 2 2019, 10:12 AM

Commited as r349588

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sys/
arm64/
arm64/
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sys/arm64/arm64/efirt_machdep.c

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