From: Shenglei Zhang <shenglei.zh...@intel.com>
Cc: Eric Dong <eric.d...@intel.com>
Cc: Ray Ni <ray...@intel.com>
Cc: Laszlo Ersek <ler...@redhat.com>
Signed-off-by: Shenglei Zhang <shenglei.zh...@intel.com>
---
UefiCpuPkg/UefiCpuPkg.uni | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/UefiCpuPkg/UefiCpuPkg.uni b/UefiCpuPkg/UefiCpuPkg.uni
index a7e279c5cb14..bfd696f48c35 100644
--- a/UefiCpuPkg/UefiCpuPkg.uni
+++ b/UefiCpuPkg/UefiCpuPkg.uni
@@ -195,6 +195,22 @@
#string STR_gUefiCpuPkgTokenSpaceGuid_PcdIsPowerOnReset_HELP #language en-US
"Indicates if the current boot is a power-on reset."
+#string STR_gUefiCpuPkgTokenSpaceGuid_PcdCpuSmmRestrictedMemoryAccess_PROMPT
#language en-US "Access to non-SMRAM memory is restricted to reserved, runtime
and ACPI NVS type after SmmReadyToLock."
+
+#string STR_gUefiCpuPkgTokenSpaceGuid_PcdCpuSmmRestrictedMemoryAccess_HELP
#language en-US "Indicate access to non-SMRAM memory is restricted to reserved,
runtime and ACPI NVS type after SmmReadyToLock.<BR><BR>\n"
+
"MMIO access is always allowed regardless of the value of this
PCD.<BR>\n"
+
"Loose of such restriction is only required by RAS components in
X64 platforms.<BR>\n"
+
"The PCD value is considered as constantly TRUE in IA32
platforms.<BR>\n"
+
"When the PCD value is TRUE, page table is initialized to cover
all memory spaces<BR>\n"
+
"and the memory occupied by page table is protected by page table
itself as read-only.<BR>\n"
+
"In X64 build, it cannot be enabled at the same time with SMM
profile feature (PcdCpuSmmProfileEnable).<BR>\n"
+
"In X64 build, it could not be enabled also at the same time with
heap guard feature for SMM<BR>\n"
+
"(PcdHeapGuardPropertyMask in MdeModulePkg).<BR>\n"
+
"In IA32 build, page table memory is not marked as read-only when
either SMM profile feature (PcdCpuSmmProfileEnable)<BR>\n"
+
"or heap guard feature for SMM (PcdHeapGuardPropertyMask in
MdeModulePkg) is enabled.<BR>\n"
+
"TRUE - Access to non-SMRAM memory is restricted to reserved,
runtime and ACPI NVS type after SmmReadyToLock.<BR>\n"
+
"FALSE - Access to any type of non-SMRAM memory after
SmmReadyToLock is allowed.<BR>"
+
#string STR_gUefiCpuPkgTokenSpaceGuid_PcdCpuFeaturesCapability_PROMPT
#language en-US "Processor feature capabilities."
#string STR_gUefiCpuPkgTokenSpaceGuid_PcdCpuFeaturesCapability_HELP #language
en-US "Indicates processor feature capabilities, each bit corresponding to a
specific feature."
--
2.18.0.windows.1
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