diff options
| -rw-r--r-- | MdeModulePkg/Core/Pei/Memory/MemoryServices.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/MdeModulePkg/Core/Pei/Memory/MemoryServices.c b/MdeModulePkg/Core/Pei/Memory/MemoryServices.c index 22e04cd..02e83a1 100644 --- a/MdeModulePkg/Core/Pei/Memory/MemoryServices.c +++ b/MdeModulePkg/Core/Pei/Memory/MemoryServices.c @@ -89,6 +89,17 @@ PeiInstallPeiMemory ( DEBUG ((EFI_D_INFO, "PeiInstallPeiMemory MemoryBegin 0x%LX, MemoryLength 0x%LX\n", MemoryBegin, MemoryLength));
PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
+ //
+ // PEI_SERVICE.InstallPeiMemory should only be called one time during whole PEI phase.
+ // If it is invoked more than one time, ASSERT information is given for developer debugging in debug tip and
+ // simply return EFI_SUCESS in release tip to ignore it.
+ //
+ if (PrivateData->PeiMemoryInstalled) {
+ DEBUG ((EFI_D_ERROR, "ERROR: PeiInstallPeiMemory is called more than once!\n"));
+ ASSERT (PrivateData->PeiMemoryInstalled);
+ return EFI_SUCCESS;
+ }
+
PrivateData->PhysicalMemoryBegin = MemoryBegin;
PrivateData->PhysicalMemoryLength = MemoryLength;
PrivateData->FreePhysicalMemoryTop = MemoryBegin + MemoryLength;
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