Author: andrew
Date: Thu May 31 11:11:23 2018
New Revision: 334420
URL: https://svnweb.freebsd.org/changeset/base/334420
Log:
Fix the memory attribute for EFI_MD_ATTR_UC on arm64.
This is defined as Device-nGnRnE in the UEFI spec (UEFI 2.4, section
2.3.6.1). This is the VM_MEMATTR_DEVICE type in FreeBSD.
Reported by: tuexen
Sponsored by: DARPA, AFRL
Modified:
head/sys/arm64/arm64/efirt_machdep.c
Modified: head/sys/arm64/arm64/efirt_machdep.c
==============================================================================
--- head/sys/arm64/arm64/efirt_machdep.c Thu May 31 09:56:02 2018
(r334419)
+++ head/sys/arm64/arm64/efirt_machdep.c Thu May 31 11:11:23 2018
(r334420)
@@ -196,7 +196,7 @@ efi_create_1t1_map(struct efi_md *map, int ndesc, int
else if ((p->md_attr & EFI_MD_ATTR_WC) != 0)
mode = VM_MEMATTR_WRITE_COMBINING;
else if ((p->md_attr & EFI_MD_ATTR_UC) != 0)
- mode = VM_MEMATTR_UNCACHEABLE;
+ mode = VM_MEMATTR_DEVICE;
else {
if (bootverbose)
printf("EFI Runtime entry %d mapping "
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