From: mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Mon, 27 Aug 2007 01:01:44 +0000 (+0000)
Subject: Handle case when PAL calls 13 or 14 may not be available.
X-Git-Tag: edk2-stable201903~22257
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=580ad4a03d84ba7a97f10a27c3838c178227b685

Handle case when PAL calls 13 or 14 may not be available.



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3708 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/MdePkg/Library/SecPeiDxeTimerLibCpu/IpfTimerLib.c b/MdePkg/Library/SecPeiDxeTimerLibCpu/IpfTimerLib.c
index 8d3c3fd6f3..9fe33ec134 100644
--- a/MdePkg/Library/SecPeiDxeTimerLibCpu/IpfTimerLib.c
+++ b/MdePkg/Library/SecPeiDxeTimerLibCpu/IpfTimerLib.c
@@ -152,13 +152,6 @@ GetPerformanceCounterProperties (
   PAL_CALL_RETURN                   PalRet;
   UINT64                            BaseFrequence;
 
-  PalRet = PalCallStatic (NULL, 13, 0, 0, 0);
-  ASSERT (PalRet.Status == 0);
-  BaseFrequence = PalRet.r9;
-
-  PalRet = PalCallStatic (NULL, 14, 0, 0, 0);
-  ASSERT (PalRet.Status == 0);
-
   if (StartValue != NULL) {
     *StartValue = 0;
   }
@@ -167,5 +160,16 @@ GetPerformanceCounterProperties (
     *EndValue = (UINT64)(-1);
   }
 
+  PalRet = PalCallStatic (NULL, 13, 0, 0, 0);
+  if (PalRet.Status != 0) {
+    return 1000000;
+  }
+  BaseFrequence = PalRet.r9;
+
+  PalRet = PalCallStatic (NULL, 14, 0, 0, 0);
+  if (PalRet.Status != 0) {
+    return 1000000;
+  }
+
   return BaseFrequence * (PalRet.r11 >> 32) / (UINT32)PalRet.r11;
 }