Bug fix for "Tiano BIOS needs to implement an automatic reboot when BIOS settings...

[mirror_edk2.git] / EdkNt32Pkg / Library / EdkGenericBdsLib / BdsMisc.c

diff --git a/EdkNt32Pkg/Library/EdkGenericBdsLib/BdsMisc.c b/EdkNt32Pkg/Library/EdkGenericBdsLib/BdsMisc.c
index 576ae7237f721dd065cb7d383d1ef3d4da21ac55..def31023c04b96de530cd377db8984a088b0fd42 100644 (file)
--- a/EdkNt32Pkg/Library/EdkGenericBdsLib/BdsMisc.c
+++ b/EdkNt32Pkg/Library/EdkGenericBdsLib/BdsMisc.c
@@ -19,6 +19,9 @@ Abstract:
 \r
 --*/\r
 \r
+#define MAX_STRING_LEN        200\r
+static BOOLEAN   mFeaturerSwitch = TRUE;\r
+static BOOLEAN   mResetRequired  = FALSE;\r
 extern UINT16 gPlatformBootTimeOutDefault;\r
 \r
 UINT16\r
@@ -762,3 +765,218 @@ Returns:
 \r
   return Status;\r
 }\r
+\r
+//\r
+//  Following are BDS Lib functions which  contain all the code about setup browser reset reminder feature.\r
+//  Setup Browser reset reminder feature is that an reset reminder will be given before user leaves the setup browser  if \r
+//  user change any option setting which needs a reset to be effective, and  the reset will be applied according to  the user selection.\r
+//\r
+\r
+VOID\r
+EnableResetReminderFeature (\r
+  VOID\r
+  )\r
+/*++\r
+\r
+Routine Description:\r
+ \r
+  Enable the setup browser reset reminder feature.\r
+  This routine is used in platform tip. If the platform policy need the feature, use the routine to enable it.\r
+\r
+Arguments:\r
+\r
+  VOID\r
+\r
+Returns:\r
+\r
+  VOID\r
+\r
+--*/\r
+{\r
+  mFeaturerSwitch = TRUE;\r
+} \r
+\r
+VOID\r
+DisableResetReminderFeature (\r
+  VOID\r
+  )\r
+/*++\r
+\r
+Routine Description:\r
+ \r
+  Disable the setup browser reset reminder feature.\r
+  This routine is used in platform tip. If the platform policy do not want the feature, use the routine to disable it.\r
+  \r
+Arguments:\r
+\r
+  VOID\r
+\r
+Returns:\r
+\r
+  VOID\r
+\r
+--*/\r
+{\r
+  mFeaturerSwitch = FALSE;\r
+} \r
+\r
+VOID\r
+EnableResetRequired (\r
+  VOID\r
+  )\r
+/*++\r
+\r
+Routine Description:\r
+ \r
+   Record the info that  a reset is required.\r
+   A  module boolean variable is used to record whether a reset is required. \r
+  \r
+Arguments:\r
+\r
+  VOID\r
+\r
+Returns:\r
+\r
+  VOID\r
+\r
+--*/\r
+{\r
+  mResetRequired = TRUE;\r
+} \r
+\r
+VOID\r
+DisableResetRequired (\r
+  VOID\r
+  )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+   Record the info that  no reset is required.\r
+   A  module boolean variable is used to record whether a reset is required. \r
+\r
+Arguments:\r
+\r
+  VOID\r
+\r
+Returns:\r
+\r
+  VOID\r
+\r
+--*/\r
+{\r
+  mResetRequired = FALSE;\r
+} \r
+\r
+BOOLEAN\r
+IsResetReminderFeatureEnable (\r
+  VOID\r
+  )\r
+/*++\r
+\r
+Routine Description:\r
+ \r
+  Check whether platform policy enable the reset reminder feature. The default is enabled.\r
+\r
+Arguments:\r
+\r
+  VOID\r
+\r
+Returns:\r
+\r
+  VOID\r
+\r
+--*/\r
+{\r
+  return mFeaturerSwitch;\r
+}\r
+\r
+BOOLEAN\r
+IsResetRequired (\r
+  VOID\r
+  )\r
+/*++\r
+\r
+Routine Description:\r
+ \r
+  Check if  user changed any option setting which needs a system reset to be effective.\r
+  \r
+Arguments:\r
+\r
+  VOID\r
+\r
+Returns:\r
+\r
+  VOID\r
+\r
+--*/\r
+{\r
+  return mResetRequired;\r
+}\r
+\r
+VOID\r
+SetupResetReminder (\r
+  VOID\r
+  )\r
+/*++\r
+\r
+Routine Description:\r
+ \r
+  Check whether a reset is needed, and finish the reset reminder feature.\r
+  If a reset is needed, Popup a menu to notice user, and finish the feature \r
+  according to the user selection.\r
+\r
+Arguments:\r
+\r
+  VOID\r
+\r
+Returns:\r
+\r
+  VOID\r
+\r
+--*/\r
+{\r
+  EFI_STATUS                    Status;\r
+  EFI_FORM_BROWSER_PROTOCOL     *Browser;\r
+  EFI_INPUT_KEY                 Key;  \r
+  CHAR16                        *StringBuffer1;\r
+  CHAR16                        *StringBuffer2;    \r
+\r
+\r
+  //\r
+  //check any reset required change is applied? if yes, reset system\r
+  //\r
+  if (IsResetReminderFeatureEnable ()) {\r
+    if (IsResetRequired ()) {\r
+    \r
+      Status = gBS->LocateProtocol (\r
+                      &gEfiFormBrowserProtocolGuid,\r
+                      NULL,\r
+                      &Browser\r
+                      );      \r
+                      \r
+      StringBuffer1 = AllocateZeroPool (MAX_STRING_LEN * sizeof (CHAR16));\r
+      ASSERT (StringBuffer1 != NULL);\r
+      StringBuffer2 = AllocateZeroPool (MAX_STRING_LEN * sizeof (CHAR16));\r
+      ASSERT (StringBuffer2 != NULL);      \r
+      StrCpy (StringBuffer1, L"Configuration changed. Reset to apply it Now ? ");\r
+      StrCpy (StringBuffer2, L"Enter (YES)  /   Esc (NO)");      \r
+      //\r
+      // Popup a menu to notice user\r
+      // \r
+      do {\r
+        Browser->CreatePopUp (2, TRUE, 0, NULL, &Key, StringBuffer1, StringBuffer2);\r
+      } while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN)); \r
+      \r
+      gBS->FreePool (StringBuffer1);      \r
+      gBS->FreePool (StringBuffer2);            \r
+      //\r
+      // If the user hits the YES Response key, reset\r
+      //\r
+      if ((Key.UnicodeChar == CHAR_CARRIAGE_RETURN)) {\r
+        gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);\r
+      }\r
+      gST->ConOut->ClearScreen (gST->ConOut);\r
+    } \r
+  } \r
+} \r