Update HiiConfigAccess.ExtractConfig interface to support NULL request string and ConfigHdr request string.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10180 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -13,7 +13,7 @@
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4. It save all the mapping info in NV variables which will be consumed
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by platform override protocol driver to publish the platform override protocol.
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Copyright (c) 2007 - 2009, Intel Corporation
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Copyright (c) 2007 - 2010, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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@@ -1161,25 +1161,73 @@ PlatOverMngrExtractConfig (
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EFI_STATUS Status;
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EFI_CALLBACK_INFO *Private;
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EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
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EFI_STRING ConfigRequestHdr;
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EFI_STRING ConfigRequest;
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BOOLEAN AllocatedRequest;
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UINTN Size;
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UINTN BufferSize;
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if (Progress == NULL || Results == NULL || Request == NULL) {
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if (Progress == NULL || Results == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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*Progress = Request;
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*Progress = Request;
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if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &mPlatformOverridesManagerGuid, mVariableName)) {
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return EFI_NOT_FOUND;
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}
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ConfigRequestHdr = NULL;
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ConfigRequest = NULL;
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Size = 0;
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AllocatedRequest = FALSE;
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Private = EFI_CALLBACK_INFO_FROM_THIS (This);
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HiiConfigRouting = Private->HiiConfigRouting;
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ConfigRequest = Request;
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if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {
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//
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// Request has no request element, construct full request string.
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// Allocate and fill a buffer large enough to hold the <ConfigHdr> template
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// followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator
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//
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ConfigRequestHdr = HiiConstructConfigHdr (&mPlatformOverridesManagerGuid, mVariableName, Private->DriverHandle);
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Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);
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ConfigRequest = AllocateZeroPool (Size);
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ASSERT (ConfigRequest != NULL);
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AllocatedRequest = TRUE;
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BufferSize = sizeof (PLAT_OVER_MNGR_DATA);
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UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, (UINT64)BufferSize);
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FreePool (ConfigRequestHdr);
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}
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//
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// Convert buffer data to <ConfigResp> by helper function BlockToConfig()
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//
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Status = HiiConfigRouting->BlockToConfig (
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HiiConfigRouting,
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Request,
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ConfigRequest,
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(UINT8 *) &Private->FakeNvData,
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sizeof (PLAT_OVER_MNGR_DATA),
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Results,
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Progress
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);
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//
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// Free the allocated config request string.
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//
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if (AllocatedRequest) {
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FreePool (ConfigRequest);
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ConfigRequest = NULL;
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}
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//
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// Set Progress string to the original request string.
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//
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if (Request == NULL) {
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*Progress = NULL;
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} else if (StrStr (Request, L"OFFSET") == NULL) {
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*Progress = Request + StrLen (Request);
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}
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return Status;
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}
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