MdeModulePkg/DriverSampleDxe: Add a sample case

[mirror_edk2.git] / MdeModulePkg / Universal / DriverSampleDxe / DriverSample.c

diff --git a/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c b/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
index cdb8889e87f9fbcb90e4c16bafe34efa142c9273..9c5d4bb61e7d82e1988a73c277e875e0d897f978 100644 (file)
--- a/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
+++ b/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
@@ -68,6 +68,48 @@ HII_VENDOR_DEVICE_PATH  mHiiVendorDevicePath1 = {
   }\r
 };\r
 \r
+/**\r
+  Set value of a data element in an Array by its Index.\r
+\r
+  @param  Array                  The data array.\r
+  @param  Type                   Type of the data in this array.\r
+  @param  Index                  Zero based index for data in this array.\r
+  @param  Value                  The value to be set.\r
+\r
+**/\r
+VOID\r
+SetArrayData (\r
+  IN VOID                     *Array,\r
+  IN UINT8                    Type,\r
+  IN UINTN                    Index,\r
+  IN UINT64                   Value\r
+  )\r
+{\r
+\r
+  ASSERT (Array != NULL);\r
+\r
+  switch (Type) {\r
+  case EFI_IFR_TYPE_NUM_SIZE_8:\r
+    *(((UINT8 *) Array) + Index) = (UINT8) Value;\r
+    break;\r
+\r
+  case EFI_IFR_TYPE_NUM_SIZE_16:\r
+    *(((UINT16 *) Array) + Index) = (UINT16) Value;\r
+    break;\r
+\r
+  case EFI_IFR_TYPE_NUM_SIZE_32:\r
+    *(((UINT32 *) Array) + Index) = (UINT32) Value;\r
+    break;\r
+\r
+  case EFI_IFR_TYPE_NUM_SIZE_64:\r
+    *(((UINT64 *) Array) + Index) = (UINT64) Value;\r
+    break;\r
+\r
+  default:\r
+    break;\r
+  }\r
+}\r
+\r
 /**\r
   Add empty function for event process function.\r
 \r
@@ -1283,7 +1325,9 @@ DriverCallback (
   EFI_STRING                      Results;\r
   UINT32                          ProgressErr;\r
   CHAR16                          *TmpStr;\r
-  \r
+  UINTN                           Index;\r
+  UINT64                          BufferValue;\r
+\r
   if (((Value == NULL) && (Action != EFI_BROWSER_ACTION_FORM_OPEN) && (Action != EFI_BROWSER_ACTION_FORM_CLOSE))||\r
     (ActionRequest == NULL)) {\r
     return EFI_INVALID_PARAMETER;\r
@@ -1293,6 +1337,7 @@ DriverCallback (
   FormId = 0;\r
   ProgressErr = 0;\r
   Status = EFI_SUCCESS;\r
+  BufferValue = 3;\r
   PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);\r
 \r
   switch (Action) {\r
@@ -1470,6 +1515,12 @@ DriverCallback (
         Value->u8 = DEFAULT_CLASS_STANDARD_VALUE;\r
       break;\r
 \r
+      case 0x1252:\r
+        for (Index = 0; Index < 3; Index ++) {\r
+          SetArrayData (Value, EFI_IFR_TYPE_NUM_SIZE_8, Index, BufferValue--);\r
+        }\r
+      break;\r
+\r
       default:\r
         Status = EFI_UNSUPPORTED;\r
       break;\r