diff options
Diffstat (limited to 'MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c')
| -rw-r--r-- | MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c | 131 |
1 files changed, 87 insertions, 44 deletions
diff --git a/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c b/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c index e20e030be8..1484404687 100644 --- a/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c +++ b/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c @@ -23,6 +23,7 @@ EFI_GUID mInventoryGuid = INVENTORY_GUID; EFI_GUID MyEventGroupGuid = EFI_IFR_REFRESH_ID_OP_GUID;
CHAR16 VariableName[] = L"MyIfrNVData";
+CHAR16 MyEfiVar[] = L"MyEfiVar";
EFI_HANDLE DriverHandle[2] = {NULL, NULL};
DRIVER_SAMPLE_PRIVATE_DATA *PrivateData = NULL;
EFI_EVENT mEvent;
@@ -868,6 +869,13 @@ ExtractConfig ( return EFI_NOT_FOUND;
}
//
+ // Check whether request for EFI Varstore. EFI varstore get data
+ // through hii database, not support in this path.
+ //
+ if (HiiIsConfigHdrMatch(Request, &mFormSetGuid, MyEfiVar)) {
+ return EFI_UNSUPPORTED;
+ }
+ //
// Set Request to the unified request string.
//
ConfigRequest = Request;
@@ -1071,6 +1079,14 @@ RouteConfig ( }
//
+ // Check whether request for EFI Varstore. EFI varstore get data
+ // through hii database, not support in this path.
+ //
+ if (HiiIsConfigHdrMatch(Configuration, &mFormSetGuid, MyEfiVar)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
// Get Buffer Storage data from EFI variable
//
BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);
@@ -1269,7 +1285,6 @@ DriverCallback ( {
DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;
EFI_STATUS Status;
- UINT8 MyVar;
VOID *StartOpCodeHandle;
VOID *OptionsOpCodeHandle;
EFI_IFR_GUID_LABEL *StartLabel;
@@ -1277,7 +1292,7 @@ DriverCallback ( EFI_IFR_GUID_LABEL *EndLabel;
EFI_INPUT_KEY Key;
DRIVER_SAMPLE_CONFIGURATION *Configuration;
- UINTN MyVarSize;
+ MY_EFI_VARSTORE_DATA *EfiData;
EFI_FORM_ID FormId;
if (((Value == NULL) && (Action != EFI_BROWSER_ACTION_FORM_OPEN) && (Action != EFI_BROWSER_ACTION_FORM_CLOSE))||
@@ -1370,21 +1385,14 @@ DriverCallback ( case EFI_BROWSER_ACTION_RETRIEVE:
{
- if (QuestionId == 0x1111) {
- //
- // EfiVarstore question takes sample action (print value as debug information)
- // after read/write question.
- //
- MyVarSize = 1;
- Status = gRT->GetVariable(
- L"MyVar",
- &mFormSetGuid,
- NULL,
- &MyVarSize,
- &MyVar
- );
- ASSERT_EFI_ERROR (Status);
- DEBUG ((DEBUG_INFO, "EfiVarstore question: Tall value is %d with value width %d\n", MyVar, MyVarSize));
+ if (QuestionId == 0x1248) {
+ {
+ if (Type != EFI_IFR_TYPE_REF) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Value->ref.FormId = 0x3;
+ }
}
}
break;
@@ -1420,6 +1428,15 @@ DriverCallback ( case EFI_BROWSER_ACTION_CHANGING:
{
switch (QuestionId) {
+ case 0x1249:
+ {
+ if (Type != EFI_IFR_TYPE_REF) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Value->ref.FormId = 0x1234;
+ }
+ break;
case 0x1234:
//
// Initialize the container for dynamic opcodes
@@ -1612,7 +1629,7 @@ DriverCallback ( PrivateData->Configuration.DynamicRefresh++;
} else if (QuestionId == 0x1247 ) {
StartLabel->Number = LABEL_UPDATE3;
- FormId = 0x05;
+ FormId = 0x06;
PrivateData->Configuration.RefreshGuidCount++;
}
@@ -1648,18 +1665,21 @@ DriverCallback ( if (QuestionId == 0x5678) {
//
- // Change an EFI Variable storage (MyEfiVar) asynchronous, this will cause
- // the first statement in Form 3 be suppressed
+ // Update uncommitted data of Browser
//
- MyVarSize = 1;
- MyVar = 111;
- Status = gRT->SetVariable(
- L"MyVar",
- &mFormSetGuid,
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
- MyVarSize,
- &MyVar
- );
+ EfiData = AllocateZeroPool (sizeof (MY_EFI_VARSTORE_DATA));
+ ASSERT (EfiData != NULL);
+ if (HiiGetBrowserData (&mFormSetGuid, MyEfiVar, sizeof (MY_EFI_VARSTORE_DATA), (UINT8 *) EfiData)) {
+ EfiData->Field8 = 111;
+ HiiSetBrowserData (
+ &mFormSetGuid,
+ MyEfiVar,
+ sizeof (MY_EFI_VARSTORE_DATA),
+ (UINT8 *) EfiData,
+ NULL
+ );
+ }
+ FreePool (EfiData);
}
break;
@@ -1741,21 +1761,6 @@ DriverCallback ( break;
- case 0x1111:
- //
- // EfiVarstore question takes sample action (print value as debug information)
- // after read/write question.
- //
- MyVarSize = 1;
- Status = gRT->GetVariable(
- L"MyVar",
- &mFormSetGuid,
- NULL,
- &MyVarSize,
- &MyVar
- );
- ASSERT_EFI_ERROR (Status);
- DEBUG ((DEBUG_INFO, "EfiVarstore question: Tall value is %d with value width %d\n", MyVar, MyVarSize));
default:
break;
}
@@ -1798,6 +1803,7 @@ DriverSampleInit ( DRIVER_SAMPLE_CONFIGURATION *Configuration;
BOOLEAN ActionFlag;
EFI_STRING ConfigRequestHdr;
+ MY_EFI_VARSTORE_DATA *VarStoreConfig;
//
// Initialize the local variables.
@@ -1978,7 +1984,44 @@ DriverSampleInit ( ActionFlag = HiiValidateSettings (ConfigRequestHdr);
ASSERT (ActionFlag);
}
+ FreePool (ConfigRequestHdr);
+ //
+ // Initialize efi varstore configuration data
+ //
+ VarStoreConfig = &PrivateData->VarStoreConfig;
+ ZeroMem (VarStoreConfig, sizeof (MY_EFI_VARSTORE_DATA));
+
+ ConfigRequestHdr = HiiConstructConfigHdr (&mFormSetGuid, MyEfiVar, DriverHandle[0]);
+ ASSERT (ConfigRequestHdr != NULL);
+
+ BufferSize = sizeof (MY_EFI_VARSTORE_DATA);
+ Status = gRT->GetVariable (MyEfiVar, &mFormSetGuid, NULL, &BufferSize, VarStoreConfig);
+ if (EFI_ERROR (Status)) {
+ //
+ // Store zero data to EFI variable Storage.
+ //
+ Status = gRT->SetVariable(
+ MyEfiVar,
+ &mFormSetGuid,
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
+ sizeof (MY_EFI_VARSTORE_DATA),
+ VarStoreConfig
+ );
+ ASSERT (Status == EFI_SUCCESS);
+ //
+ // EFI variable for NV config doesn't exit, we should build this variable
+ // based on default values stored in IFR
+ //
+ ActionFlag = HiiSetToDefaults (ConfigRequestHdr, EFI_HII_DEFAULT_CLASS_STANDARD);
+ ASSERT (ActionFlag);
+ } else {
+ //
+ // EFI variable does exist and Validate Current Setting
+ //
+ ActionFlag = HiiValidateSettings (ConfigRequestHdr);
+ ASSERT (ActionFlag);
+ }
FreePool (ConfigRequestHdr);
Status = gBS->CreateEventEx (
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