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MdeModulePkg: PeiCore: Fix PEI Multiple Sub-FV Support issue

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FirmwareVolmeInfoPpiNotifyCallback is re-enterable during FV process. Since PrivateData->FVCount increases when processing each sub FVs, need to cache Parent FV count in stack before processing any sub FV.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: Gao Liming <liming.gao@intel.com>
This commit is contained in:
Zhang, Chao B 2016-05-17 15:35:21 +08:00
parent 298454472b
commit 7147077b16
1 changed files with 13 additions and 9 deletions
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22
MdeModulePkg/Core/Pei/FwVol/FwVol.c
View File

@ -2,7 +2,7 @@
Pei Core Firmware File System service routines.
Copyright (c) 2015 HP Development Company, L.P.
Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -545,7 +545,8 @@ FirmwareVolmeInfoPpiNotifyCallback (
EFI_PEI_FILE_HANDLE FileHandle;
VOID *DepexData;
BOOLEAN IsFvInfo2;
UINTN CurFvCount;
Status = EFI_SUCCESS;
PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
@ -610,10 +611,11 @@ FirmwareVolmeInfoPpiNotifyCallback (
PrivateData->Fv[PrivateData->FvCount].FvPpi = FvPpi;
PrivateData->Fv[PrivateData->FvCount].FvHandle = FvHandle;
PrivateData->Fv[PrivateData->FvCount].AuthenticationStatus = FvInfo2Ppi.AuthenticationStatus;
CurFvCount = PrivateData->FvCount;
DEBUG ((
EFI_D_INFO,
"The %dth FV start address is 0x%11p, size is 0x%08x, handle is 0x%p\n",
(UINT32) PrivateData->FvCount,
(UINT32) CurFvCount,
(VOID *) FvInfo2Ppi.FvInfo,
FvInfo2Ppi.FvInfoSize,
FvHandle
@ -647,8 +649,8 @@ FirmwareVolmeInfoPpiNotifyCallback (
}
}
DEBUG ((EFI_D_INFO, "Found firmware volume Image File %p in FV[%d] %p\n", FileHandle, PrivateData->FvCount - 1, FvHandle));
ProcessFvFile (PrivateData, &PrivateData->Fv[PrivateData->FvCount - 1], FileHandle);
DEBUG ((EFI_D_INFO, "Found firmware volume Image File %p in FV[%d] %p\n", FileHandle, CurFvCount, FvHandle));
ProcessFvFile (PrivateData, &PrivateData->Fv[CurFvCount], FileHandle);
}
} while (FileHandle != NULL);
} else {
@ -2216,7 +2218,8 @@ ThirdPartyFvPpiNotifyCallback (
UINTN FvIndex;
EFI_PEI_FILE_HANDLE FileHandle;
VOID *DepexData;
UINTN CurFvCount;
PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
FvPpi = (EFI_PEI_FIRMWARE_VOLUME_PPI*) Ppi;
@ -2264,10 +2267,11 @@ ThirdPartyFvPpiNotifyCallback (
PrivateData->Fv[PrivateData->FvCount].FvPpi = FvPpi;
PrivateData->Fv[PrivateData->FvCount].FvHandle = FvHandle;
PrivateData->Fv[PrivateData->FvCount].AuthenticationStatus = AuthenticationStatus;
CurFvCount = PrivateData->FvCount;
DEBUG ((
EFI_D_INFO,
"The %dth FV start address is 0x%11p, size is 0x%08x, handle is 0x%p\n",
(UINT32) PrivateData->FvCount,
(UINT32) CurFvCount,
(VOID *) FvInfo,
FvInfoSize,
FvHandle
@ -2301,8 +2305,8 @@ ThirdPartyFvPpiNotifyCallback (
}
}
DEBUG ((EFI_D_INFO, "Found firmware volume Image File %p in FV[%d] %p\n", FileHandle, PrivateData->FvCount - 1, FvHandle));
ProcessFvFile (PrivateData, &PrivateData->Fv[PrivateData->FvCount - 1], FileHandle);
DEBUG ((EFI_D_INFO, "Found firmware volume Image File %p in FV[%d] %p\n", FileHandle, CurFvCount, FvHandle));
ProcessFvFile (PrivateData, &PrivateData->Fv[CurFvCount], FileHandle);
}
} while (FileHandle != NULL);
} while (TRUE);