UefiCpuPkg/PiSmmCpuDxeSmm: patch "XdSupported" with PatchInstructionX86()

[mirror_edk2.git] / UefiCpuPkg / PiSmmCpuDxeSmm / SmmProfile.c

diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c
index c90167f160608fa79bafd663cfb90909181f8052..b4fe0bc23b6cb6f9d0b0a53050d5255700366456 100644 (file)
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/SmmProfile.c
@@ -31,6 +31,11 @@ UINTN                     mSmmProfileSize;
 //\r
 UINTN                     mMsrDsAreaSize   = SMM_PROFILE_DTS_SIZE;\r
 \r
+//\r
+// The flag indicates if execute-disable is supported by processor.\r
+//\r
+BOOLEAN                   mXdSupported     = TRUE;\r
+\r
 //\r
 // The flag indicates if execute-disable is enabled on processor.\r
 //\r
@@ -1010,6 +1015,7 @@ CheckFeatureSupported (
       // Extended CPUID functions are not supported on this processor.\r
       //\r
       mXdSupported = FALSE;\r
+      PatchInstructionX86 (gPatchXdSupported, mXdSupported, 1);\r
     }\r
 \r
     AsmCpuid (CPUID_EXTENDED_CPU_SIG, NULL, NULL, NULL, &RegEdx);\r
@@ -1018,6 +1024,7 @@ CheckFeatureSupported (
       // Execute Disable Bit feature is not supported on this processor.\r
       //\r
       mXdSupported = FALSE;\r
+      PatchInstructionX86 (gPatchXdSupported, mXdSupported, 1);\r
     }\r
   }\r
 \r