1) Added BIT0, BIT1, …, BIT63 to the Base Defines

[mirror_edk2.git] / MdePkg / Library / UefiLib / UefiLib.c

diff --git a/MdePkg/Library/UefiLib/UefiLib.c b/MdePkg/Library/UefiLib/UefiLib.c
index a2dd6a8c1259aeadf5fd6946523cd9d224b0ebca..765235c51519f3c80bbf66c693a2e353582bb4eb 100644 (file)
--- a/MdePkg/Library/UefiLib/UefiLib.c
+++ b/MdePkg/Library/UefiLib/UefiLib.c
@@ -243,6 +243,34 @@ EfiNamedEventSignal (
   return EFI_SUCCESS;\r
 }\r
 \r
   return EFI_SUCCESS;\r
 }\r
 \r

+/** \r
+  Returns the current TPL.\r
+\r
+  This function returns the current TPL.  There is no EFI service to directly \r
+  retrieve the current TPL. Instead, the RaiseTPL() function is used to raise \r
+  the TPL to TPL_HIGH_LEVEL.  This will return the current TPL.  The TPL level \r
+  can then immediately be restored back to the current TPL level with a call \r
+  to RestoreTPL().\r
+\r
+  @param  VOID\r
+\r
+  @retvale EFI_TPL              The current TPL.\r
+\r
+**/\r
+EFI_TPL\r
+EFIAPI\r
+EfiGetCurrentTpl (\r
+  VOID\r
+  )\r
+{\r
+  EFI_TPL Tpl;\r
+\r
+  Tpl = gBS->RaiseTPL (EFI_TPL_HIGH_LEVEL); \r
+  gBS->RestoreTPL (Tpl);\r
+\r
+  return Tpl;\r
+}\r
+\r

 \r
 /**\r
   This function initializes a basic mutual exclusion lock to the released state \r
 \r
 /**\r
   This function initializes a basic mutual exclusion lock to the released state \r


@@ -779,3 +807,4 @@ FreeUnicodeStringTable (
 \r
   return EFI_SUCCESS;\r
 }\r
 \r
   return EFI_SUCCESS;\r
 }\r

+\r