diff options
| author | niruiyu <niruiyu@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-11-15 01:48:13 +0000 |
|---|---|---|
| committer | niruiyu <niruiyu@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-11-15 01:48:13 +0000 |
| commit | f0d711eb1b73f04ab3be042c984731c0edfe6b28 (patch) | |
| tree | 29e5ecf4899cce3fc78b14c112bb265bfa5b1efb /MdeModulePkg/Library/DxeReportStatusCodeLib | |
| parent | 801401877ea209d07c6b10cc04bc8731383e4645 (diff) | |
| download | edk2-platforms-f0d711eb1b73f04ab3be042c984731c0edfe6b28.tar.xz | |
Do not call LocateProtocol when the current TPL is above or equal TPL_NOTIFY.
Signed-off-by: niruiyu
Reviewed-by: mdkinney
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12696 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Library/DxeReportStatusCodeLib')
| -rw-r--r-- | MdeModulePkg/Library/DxeReportStatusCodeLib/ReportStatusCodeLib.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/MdeModulePkg/Library/DxeReportStatusCodeLib/ReportStatusCodeLib.c b/MdeModulePkg/Library/DxeReportStatusCodeLib/ReportStatusCodeLib.c index ce843cc47f..4ec3a6c8f3 100644 --- a/MdeModulePkg/Library/DxeReportStatusCodeLib/ReportStatusCodeLib.c +++ b/MdeModulePkg/Library/DxeReportStatusCodeLib/ReportStatusCodeLib.c @@ -1,7 +1,7 @@ /** @file
Report Status Code Library for DXE Phase.
- Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2006 - 2011, 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
@@ -45,6 +45,7 @@ InternalGetReportStatusCode ( )
{
EFI_STATUS Status;
+ EFI_TPL Tpl;
if (mReportStatusCodeLibStatusCodeProtocol != NULL) {
return;
@@ -53,10 +54,18 @@ InternalGetReportStatusCode ( //
// Check gBS just in case ReportStatusCode is called before gBS is initialized.
//
- if (gBS != NULL && gBS->LocateProtocol != NULL) {
- Status = gBS->LocateProtocol (&gEfiStatusCodeRuntimeProtocolGuid, NULL, (VOID**) &mReportStatusCodeLibStatusCodeProtocol);
- if (EFI_ERROR (Status)) {
- mReportStatusCodeLibStatusCodeProtocol = NULL;
+ if ((gBS != NULL) && (gBS->LocateProtocol != NULL) && (gBS->RaiseTPL != NULL) && (gBS->RestoreTPL != NULL)) {
+ //
+ // Retrieve the current TPL
+ //
+ Tpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);
+ gBS->RestoreTPL (Tpl);
+
+ if (Tpl < TPL_NOTIFY) {
+ Status = gBS->LocateProtocol (&gEfiStatusCodeRuntimeProtocolGuid, NULL, (VOID**) &mReportStatusCodeLibStatusCodeProtocol);
+ if (EFI_ERROR (Status)) {
+ mReportStatusCodeLibStatusCodeProtocol = NULL;
+ }
}
}
}
@@ -496,7 +505,10 @@ ReportStatusCodeEx ( ASSERT (!((ExtendedData == NULL) && (ExtendedDataSize != 0)));
ASSERT (!((ExtendedData != NULL) && (ExtendedDataSize == 0)));
- if (gBS == NULL || gBS->AllocatePool == NULL || gBS->FreePool == NULL) {
+ if ((gBS == NULL) ||
+ (gBS->AllocatePool == NULL) || (gBS->FreePool == NULL) ||
+ (gBS->RaiseTPL == NULL) || (gBS->RestoreTPL == NULL)
+ ) {
return EFI_UNSUPPORTED;
}
|