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| author | Michael D Kinney <michael.d.kinney@intel.com> | 2019-04-29 16:22:09 -0700 |
|---|---|---|
| committer | Michael D Kinney <michael.d.kinney@intel.com> | 2019-04-30 16:39:33 -0700 |
| commit | 24f4547c5c126176634dccb5816b28439ee82a89 (patch) | |
| tree | 5eca35d9985e5b204ab99d040015c8884be187f5 /QuarkPlatformPkg | |
| parent | aec74656893a6162c7b2784bc99042f7c84e1f00 (diff) | |
| download | edk2-24f4547c5c126176634dccb5816b28439ee82a89.tar.gz edk2-24f4547c5c126176634dccb5816b28439ee82a89.tar.bz2 edk2-24f4547c5c126176634dccb5816b28439ee82a89.zip | |
QuarkPlatformPkg: Set PcdSpeculationBarrierType to CPUID
Set PcdSpeculationBarrierType to use CPUID instead of the
default LFENCE in the BaseLib function SpeculationBarrier().
LFENCE requires SSE2, and Quark platforms do not support
SSE2.
Cc: Kelly Steele <kelly.steele@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Michael Kubacki <michael.a.kubacki@intel.com>
Diffstat (limited to 'QuarkPlatformPkg')
| -rw-r--r-- | QuarkPlatformPkg/Quark.dsc | 7 | ||||
| -rw-r--r-- | QuarkPlatformPkg/QuarkMin.dsc | 5 |
2 files changed, 11 insertions, 1 deletions
diff --git a/QuarkPlatformPkg/Quark.dsc b/QuarkPlatformPkg/Quark.dsc index 422fd9cf8d..96ddc1565a 100644 --- a/QuarkPlatformPkg/Quark.dsc +++ b/QuarkPlatformPkg/Quark.dsc @@ -2,7 +2,7 @@ # Clanton Peak CRB platform with 32-bit DXE for 4MB/8MB flash devices.
#
# This package provides Clanton Peak CRB platform specific modules.
-# Copyright (c) 2013 - 2018 Intel Corporation.
+# Copyright (c) 2013 - 2019 Intel Corporation.
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
@@ -448,6 +448,11 @@ gEfiMdeModulePkgTokenSpaceGuid.PcdRecoveryFileName|L"QUARKREC.Cap"
!endif
+ #
+ # Quark does not support LFENCE. Use CPUID as speculation barrier
+ #
+ gEfiMdePkgTokenSpaceGuid.PcdSpeculationBarrierType|0x02
+
[PcdsPatchableInModule]
gEfiMdePkgTokenSpaceGuid.PcdDebugPrintErrorLevel|0x803000C7
gEfiMdeModulePkgTokenSpaceGuid.PcdVpdBaseAddress|0x0
diff --git a/QuarkPlatformPkg/QuarkMin.dsc b/QuarkPlatformPkg/QuarkMin.dsc index 00e2febb54..8ca75bc474 100644 --- a/QuarkPlatformPkg/QuarkMin.dsc +++ b/QuarkPlatformPkg/QuarkMin.dsc @@ -406,6 +406,11 @@ gEfiMdeModulePkgTokenSpaceGuid.PcdConInConnectOnDemand|FALSE
+ #
+ # Quark does not support LFENCE. Use CPUID as speculation barrier
+ #
+ gEfiMdePkgTokenSpaceGuid.PcdSpeculationBarrierType|0x02
+
[PcdsPatchableInModule]
gEfiMdePkgTokenSpaceGuid.PcdDebugPrintErrorLevel|0x803000C7
gEfiMdeModulePkgTokenSpaceGuid.PcdVpdBaseAddress|0x0
|