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Get entire variable data for efi varstore at first time. 

Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14992 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Eric Dong 2013-12-17 05:00:17 +00:00 committed by ydong10
parent 4636295f46
commit 98c4caa1e9
1 changed files with 27 additions and 1 deletions
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28
MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
View File

@ -4085,6 +4085,10 @@ LoadStorage (
EFI_STRING Progress;
EFI_STRING Result;
CHAR16 *StrPtr;
EFI_STRING ConfigRequest;
UINTN StrLen;
ConfigRequest = NULL;
switch (Storage->BrowserStorage->Type) {
case EFI_HII_VARSTORE_EFI_VARIABLE:
@ -4095,6 +4099,21 @@ LoadStorage (
ConfigRequestAdjust(Storage);
return;
}
//
// Create the config request string to get all fields for this storage.
// Allocate and fill a buffer large enough to hold the <ConfigHdr> template
// followed by "&OFFSET=0&WIDTH=WWWW"followed by a Null-terminator
//
StrLen = StrSize (Storage->BrowserStorage->ConfigHdr) + 20 * sizeof (CHAR16);
ConfigRequest = AllocateZeroPool (StrLen);
ASSERT (ConfigRequest != NULL);
UnicodeSPrint (
ConfigRequest,
StrLen,
L"%s&OFFSET=0&WIDTH=%04x",
Storage->BrowserStorage->ConfigHdr,
Storage->BrowserStorage->Size);
break;
case EFI_HII_VARSTORE_BUFFER:
@ -4106,6 +4125,7 @@ LoadStorage (
return;
}
Storage->BrowserStorage->Initialized = TRUE;
ConfigRequest = Storage->ConfigRequest;
break;
default:
@ -4117,7 +4137,7 @@ LoadStorage (
//
Status = mHiiConfigRouting->ExtractConfig (
mHiiConfigRouting,
Storage->ConfigRequest,
ConfigRequest,
&Progress,
&Result
);
@ -4146,6 +4166,12 @@ LoadStorage (
// Input NULL for ConfigRequest field means sync all fields from editbuffer to buffer.
//
SynchronizeStorage(FormSet, Storage->BrowserStorage, NULL, TRUE);
if (Storage->BrowserStorage->Type == EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER) {
if (ConfigRequest != NULL) {
FreePool (ConfigRequest);
}
}
}
/**