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PeiInstallPeiMemory should only be called one time.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7867 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
klu2 2009-03-12 07:43:02 +00:00
parent 2c0bbf4392
commit 3152f167db
1 changed files with 11 additions and 0 deletions
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11
MdeModulePkg/Core/Pei/Memory/MemoryServices.c
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@ -89,6 +89,17 @@ PeiInstallPeiMemory (
DEBUG ((EFI_D_INFO, "PeiInstallPeiMemory MemoryBegin 0x%LX, MemoryLength 0x%LX\n", MemoryBegin, MemoryLength)); DEBUG ((EFI_D_INFO, "PeiInstallPeiMemory MemoryBegin 0x%LX, MemoryLength 0x%LX\n", MemoryBegin, MemoryLength));
PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices); 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->PhysicalMemoryBegin = MemoryBegin;
PrivateData->PhysicalMemoryLength = MemoryLength; PrivateData->PhysicalMemoryLength = MemoryLength;
PrivateData->FreePhysicalMemoryTop = MemoryBegin + MemoryLength; PrivateData->FreePhysicalMemoryTop = MemoryBegin + MemoryLength;