OvmfPkg: PlatformDxe: add save and discard buttons to the form

The RouteConfig() function is also called now as expected.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15373 6f19259b-4bc3-4df7-8a09-765794883524

OvmfPkg/PlatformDxe/Platform.c

@@ -185,6 +185,8 @@ RouteConfig (
   OUT       EFI_STRING                      *Progress
 )
 {
+  DEBUG ((EFI_D_VERBOSE, "%a: Configuration=\"%s\"\n", __FUNCTION__,
+    Configuration));
   return EFI_SUCCESS;
 }
 
@@ -201,6 +203,26 @@ Callback (
   OUT    EFI_BROWSER_ACTION_REQUEST             *ActionRequest
   )
 {
+  DEBUG ((EFI_D_VERBOSE, "%a: Action=0x%Lx QuestionId=%d Type=%d\n",
+    __FUNCTION__, (UINT64) Action, QuestionId, Type));
+
+  if (Action != EFI_BROWSER_ACTION_CHANGED) {
+    return EFI_UNSUPPORTED;
+  }
+
+  switch (QuestionId) {
+  case QUESTION_SAVE_EXIT:
+    *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_SUBMIT_EXIT;
+    break;
+
+  case QUESTION_DISCARD_EXIT:
+    *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD_EXIT;
+    break;
+
+  default:
+    break;
+  }
+
   return EFI_SUCCESS;
 }
 

OvmfPkg/PlatformDxe/Platform.h

@@ -28,6 +28,9 @@
 #define LABEL_RES_NEXT         1
 #define QUESTION_RES_NEXT      2
 
+#define QUESTION_SAVE_EXIT     3
+#define QUESTION_DISCARD_EXIT  4
+
 //
 // This structure describes the form state. Its fields relate strictly to the
 // visual widgets on the form.

OvmfPkg/PlatformDxe/PlatformForms.vfr

@@ -56,6 +56,19 @@ formset
     // We'll dynamically generate a one-of-many selection at this label.
     //
     label LABEL_RES_NEXT;
+
+    text
+      help  = STRING_TOKEN(STR_SAVE_EXIT),
+      text  = STRING_TOKEN(STR_SAVE_EXIT),
+      flags = INTERACTIVE,
+      key   = QUESTION_SAVE_EXIT;
+
+    text
+      help  = STRING_TOKEN(STR_DISCARD_EXIT),
+      text  = STRING_TOKEN(STR_DISCARD_EXIT),
+      flags = INTERACTIVE,
+      key   = QUESTION_DISCARD_EXIT;
+
   endform;
 
 endformset;