diff options
Diffstat (limited to 'MdeModulePkg/Core/Pei')
| -rw-r--r-- | MdeModulePkg/Core/Pei/FwVol/FwVol.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/MdeModulePkg/Core/Pei/FwVol/FwVol.c b/MdeModulePkg/Core/Pei/FwVol/FwVol.c index c6eb1fa24f..30485a836c 100644 --- a/MdeModulePkg/Core/Pei/FwVol/FwVol.c +++ b/MdeModulePkg/Core/Pei/FwVol/FwVol.c @@ -1348,14 +1348,34 @@ FindNextCoreFvHandle ( //
FvHob = (EFI_HOB_FIRMWARE_VOLUME *)GetFirstHob (EFI_HOB_TYPE_FV);
while (FvHob != NULL) {
+ //
+ // Search whether FvHob has been installed into PeiCore's FV database.
+ // If found, no need install new FvInfoPpi for it.
+ //
for (Index = 0, Match = FALSE; Index < Private->FvCount; Index++) {
if ((EFI_PEI_FV_HANDLE)(UINTN)FvHob->BaseAddress == Private->Fv[Index].FvHeader) {
Match = TRUE;
break;
}
}
+
//
- // If Not Found, Install FvInfo Ppi for it.
+ // Search whether FvHob has been cached into PeiCore's Unknown FV database.
+ // If found, no need install new FvInfoPpi for it.
+ //
+ if (!Match) {
+ for (Index = 0; Index < Private->UnknownFvInfoCount; Index ++) {
+ if ((UINTN)FvHob->BaseAddress == (UINTN)Private->UnknownFvInfo[Index].FvInfo) {
+ Match = TRUE;
+ break;
+ }
+ }
+ }
+
+ //
+ // If the Fv in FvHob has not been installed into PeiCore's FV database and has
+ // not been cached into PeiCore's Unknown FV database, install a new FvInfoPpi
+ // for it then PeiCore will dispatch it in callback of FvInfoPpi.
//
if (!Match) {
PeiServicesInstallFvInfoPpi (
@@ -1366,6 +1386,7 @@ FindNextCoreFvHandle ( NULL
);
}
+
FvHob = (EFI_HOB_FIRMWARE_VOLUME *)GetNextHob (EFI_HOB_TYPE_FV, (VOID *)((UINTN)FvHob + FvHob->Header.HobLength));
}
}
|