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| author | Star Zeng <star.zeng@intel.com> | 2015-02-02 09:31:08 +0000 |
|---|---|---|
| committer | lzeng14 <lzeng14@Edk2> | 2015-02-02 09:31:08 +0000 |
| commit | 93626a53773246d3999446235dc826b92a249228 (patch) | |
| tree | ab78b5807fada5d6e404d571b44928d68ddc9465 /SecurityPkg/VariableAuthenticated | |
| parent | 0fb5e515f2f338c25679e2129ef81c4d230649b9 (diff) | |
| download | edk2-93626a53773246d3999446235dc826b92a249228.tar.gz edk2-93626a53773246d3999446235dc826b92a249228.tar.bz2 edk2-93626a53773246d3999446235dc826b92a249228.zip | |
SecurityPkg Variable: Introduce PcdReclaimVariableSpaceAtEndOfDxe
for trying to reclaim variable space at EndOfDxe.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16688 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'SecurityPkg/VariableAuthenticated')
5 files changed, 17 insertions, 0 deletions
diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c b/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c index 32a218022d..ec857665fd 100644 --- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c +++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/Variable.c @@ -3603,6 +3603,15 @@ ReclaimForOS( EFI_STATUS Status;
UINTN RemainingCommonRuntimeVariableSpace;
UINTN RemainingHwErrVariableSpace;
+ STATIC BOOLEAN Reclaimed;
+
+ //
+ // This function will be called only once at EndOfDxe or ReadyToBoot event.
+ //
+ if (Reclaimed) {
+ return;
+ }
+ Reclaimed = TRUE;
Status = EFI_SUCCESS;
diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c index 375a604df2..05a90fa8fc 100644 --- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c +++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c @@ -317,6 +317,9 @@ OnEndOfDxe ( // The initialization for variable quota.
//
InitializeVariableQuota ();
+ if (PcdGetBool (PcdReclaimVariableSpaceAtEndOfDxe)) {
+ ReclaimForOS ();
+ }
}
/**
diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableRuntimeDxe.inf b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableRuntimeDxe.inf index 4e31178e16..cbf7da0add 100644 --- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableRuntimeDxe.inf +++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableRuntimeDxe.inf @@ -144,6 +144,7 @@ gEfiMdeModulePkgTokenSpaceGuid.PcdHwErrStorageSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxUserNvVariableSpaceSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdBoottimeReservedNvVariableSpaceSize ## CONSUMES
+ gEfiMdeModulePkgTokenSpaceGuid.PcdReclaimVariableSpaceAtEndOfDxe ## CONSUMES
[FeaturePcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdVariableCollectStatistics ## CONSUMES # statistic the information of variable.
diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c index 9af9eafe14..439a4fe20d 100644 --- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c +++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c @@ -854,6 +854,9 @@ SmmEndOfDxeCallback ( // The initialization for variable quota.
//
InitializeVariableQuota ();
+ if (PcdGetBool (PcdReclaimVariableSpaceAtEndOfDxe)) {
+ ReclaimForOS ();
+ }
return EFI_SUCCESS;
}
diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.inf b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.inf index ec4249a95f..317f13c2a4 100644 --- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.inf +++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.inf @@ -151,6 +151,7 @@ gEfiMdeModulePkgTokenSpaceGuid.PcdHwErrStorageSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxUserNvVariableSpaceSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdBoottimeReservedNvVariableSpaceSize ## CONSUMES
+ gEfiMdeModulePkgTokenSpaceGuid.PcdReclaimVariableSpaceAtEndOfDxe ## CONSUMES
[FeaturePcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdVariableCollectStatistics ## CONSUMES # statistic the information of variable.
|