diff options
Diffstat (limited to 'MdeModulePkg/Universal/PlatformDriOverrideDxe')
| -rw-r--r-- | MdeModulePkg/Universal/PlatformDriOverrideDxe/PlatDriOverrideDxe.c | 56 |
1 files changed, 52 insertions, 4 deletions
diff --git a/MdeModulePkg/Universal/PlatformDriOverrideDxe/PlatDriOverrideDxe.c b/MdeModulePkg/Universal/PlatformDriOverrideDxe/PlatDriOverrideDxe.c index 241918691e..ad045e86f4 100644 --- a/MdeModulePkg/Universal/PlatformDriOverrideDxe/PlatDriOverrideDxe.c +++ b/MdeModulePkg/Universal/PlatformDriOverrideDxe/PlatDriOverrideDxe.c @@ -13,7 +13,7 @@ 4. It save all the mapping info in NV variables which will be consumed
by platform override protocol driver to publish the platform override protocol.
-Copyright (c) 2007 - 2009, Intel Corporation
+Copyright (c) 2007 - 2010, Intel Corporation
All rights reserved. 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
@@ -1161,25 +1161,73 @@ PlatOverMngrExtractConfig ( EFI_STATUS Status;
EFI_CALLBACK_INFO *Private;
EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
+ EFI_STRING ConfigRequestHdr;
+ EFI_STRING ConfigRequest;
+ BOOLEAN AllocatedRequest;
+ UINTN Size;
+ UINTN BufferSize;
- if (Progress == NULL || Results == NULL || Request == NULL) {
+ if (Progress == NULL || Results == NULL) {
return EFI_INVALID_PARAMETER;
}
- *Progress = Request;
+
+ *Progress = Request;
+ if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &mPlatformOverridesManagerGuid, mVariableName)) {
+ return EFI_NOT_FOUND;
+ }
+
+ ConfigRequestHdr = NULL;
+ ConfigRequest = NULL;
+ Size = 0;
+ AllocatedRequest = FALSE;
+
Private = EFI_CALLBACK_INFO_FROM_THIS (This);
HiiConfigRouting = Private->HiiConfigRouting;
+ ConfigRequest = Request;
+ if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {
+ //
+ // Request has no request element, construct full request string.
+ // Allocate and fill a buffer large enough to hold the <ConfigHdr> template
+ // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator
+ //
+ ConfigRequestHdr = HiiConstructConfigHdr (&mPlatformOverridesManagerGuid, mVariableName, Private->DriverHandle);
+ Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);
+ ConfigRequest = AllocateZeroPool (Size);
+ ASSERT (ConfigRequest != NULL);
+ AllocatedRequest = TRUE;
+ BufferSize = sizeof (PLAT_OVER_MNGR_DATA);
+ UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);
+ FreePool (ConfigRequestHdr);
+ }
//
// Convert buffer data to <ConfigResp> by helper function BlockToConfig()
//
Status = HiiConfigRouting->BlockToConfig (
HiiConfigRouting,
- Request,
+ ConfigRequest,
(UINT8 *) &Private->FakeNvData,
sizeof (PLAT_OVER_MNGR_DATA),
Results,
Progress
);
+
+ //
+ // Free the allocated config request string.
+ //
+ if (AllocatedRequest) {
+ FreePool (ConfigRequest);
+ ConfigRequest = NULL;
+ }
+ //
+ // Set Progress string to the original request string.
+ //
+ if (Request == NULL) {
+ *Progress = NULL;
+ } else if (StrStr (Request, L"OFFSET") == NULL) {
+ *Progress = Request + StrLen (Request);
+ }
+
return Status;
}
|