svn commit: r352401 - stable/12/sys/arm64/arm64

[Andrew Turner]

Author: andrew
Date: Mon Sep 16 14:43:43 2019
New Revision: 352401
URL: https://svnweb.freebsd.org/changeset/base/352401

Log:
  MFC r339594:
  
  Stop advertising ARMv8.3 Pointer Authentication
  
  This needs firmware and kernel support before userspace can use it. Until
  then don't advertise it's available.

Modified:
  stable/12/sys/arm64/arm64/identcpu.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/arm64/arm64/identcpu.c
==============================================================================
--- stable/12/sys/arm64/arm64/identcpu.c	Mon Sep 16 14:42:14 2019	(r352400)
+++ stable/12/sys/arm64/arm64/identcpu.c	Mon Sep 16 14:43:43 2019	(r352401)
@@ -211,13 +211,13 @@ static struct mrs_field id_aa64isar0_fields[] = {
 };
 
 static struct mrs_field id_aa64isar1_fields[] = {
-	MRS_FIELD(false, MRS_LOWER, ID_AA64ISAR1_GPI_SHIFT),
-	MRS_FIELD(false, MRS_LOWER, ID_AA64ISAR1_GPA_SHIFT),
+	MRS_FIELD(false, MRS_EXACT, ID_AA64ISAR1_GPI_SHIFT),
+	MRS_FIELD(false, MRS_EXACT, ID_AA64ISAR1_GPA_SHIFT),
 	MRS_FIELD(false, MRS_LOWER, ID_AA64ISAR1_LRCPC_SHIFT),
 	MRS_FIELD(false, MRS_LOWER, ID_AA64ISAR1_FCMA_SHIFT),
 	MRS_FIELD(false, MRS_LOWER, ID_AA64ISAR1_JSCVT_SHIFT),
-	MRS_FIELD(false, MRS_LOWER, ID_AA64ISAR1_API_SHIFT),
-	MRS_FIELD(false, MRS_LOWER, ID_AA64ISAR1_APA_SHIFT),
+	MRS_FIELD(false, MRS_EXACT, ID_AA64ISAR1_API_SHIFT),
+	MRS_FIELD(false, MRS_EXACT, ID_AA64ISAR1_APA_SHIFT),
 	MRS_FIELD(false, MRS_LOWER, ID_AA64ISAR1_DPB_SHIFT),
 	MRS_FIELD_END,
 };