MdeModulePkg Pcd: Extend PcdVpdBaseAddress to support PcdsPatchableInModule type.

[mirror_edk2.git] / MdeModulePkg / Universal / DebugSupportDxe / DebugSupport.c

diff --git a/MdeModulePkg/Universal/DebugSupportDxe/DebugSupport.c b/MdeModulePkg/Universal/DebugSupportDxe/DebugSupport.c
index 04be432e9f9c06a35843992b59a951c3737659d2..9a8f86de10f44638ad4d4d380a5ed118d33fe87b 100644 (file)
--- a/MdeModulePkg/Universal/DebugSupportDxe/DebugSupport.c
+++ b/MdeModulePkg/Universal/DebugSupportDxe/DebugSupport.c
@@ -1,8 +1,8 @@
 /** @file\r
   Top level C file for debug support driver.  Contains initialization function.\r
 \r
-Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
 http://opensource.org/licenses/bsd-license.php\r
@@ -12,15 +12,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 \r
 **/\r
 \r
-//\r
-// private header files\r
-//\r
 #include "PlDebugSupport.h"\r
 \r
-//\r
-// This is a global that is the actual interface\r
-//\r
-EFI_DEBUG_SUPPORT_PROTOCOL  gDebugSupportProtocolInterface = {\r
+EFI_DEBUG_SUPPORT_PROTOCOL  mDebugSupportProtocolInterface = {\r
   EFI_ISA,\r
   GetMaximumProcessorIndex,\r
   RegisterPeriodicCallback,\r
@@ -28,31 +22,27 @@ EFI_DEBUG_SUPPORT_PROTOCOL  gDebugSupportProtocolInterface = {
   InvalidateInstructionCache\r
 };\r
 \r
-//\r
-// Driver Entry Point\r
-//\r
+\r
+/**\r
+  Debug Support Driver entry point. \r
+\r
+  Checks to see if there's not already a Debug Support protocol installed for \r
+  the selected processor before installing it.\r
+\r
+  @param[in] ImageHandle       The firmware allocated handle for the EFI image.  \r
+  @param[in] SystemTable       A pointer to the EFI System Table.\r
+  \r
+  @retval EFI_SUCCESS          The entry point is executed successfully.\r
+  @retval EFI_ALREADY_STARTED  Debug Support protocol is installed already.\r
+  @retval other                Some error occurs when executing this entry point.\r
+\r
+**/\r
 EFI_STATUS\r
+EFIAPI\r
 InitializeDebugSupportDriver (\r
   IN EFI_HANDLE               ImageHandle,\r
   IN EFI_SYSTEM_TABLE         *SystemTable\r
   )\r
-/*++\r
-\r
-Routine Description:\r
-  Driver entry point.  Checks to see there's not already a DebugSupport protocol\r
-  installed for the selected processor before installing protocol.\r
-\r
-Arguments:\r
-  IN EFI_HANDLE               ImageHandle,\r
-  IN EFI_SYSTEM_TABLE         *SystemTable\r
-\r
-Returns:\r
-\r
-  EFI_STATUS\r
-\r
---*/\r
-// TODO:    ImageHandle - add argument and description to function comment\r
-// TODO:    SystemTable - add argument and description to function comment\r
 {\r
   EFI_LOADED_IMAGE_PROTOCOL   *LoadedImageProtocolPtr;\r
   EFI_STATUS                  Status;\r
@@ -61,8 +51,6 @@ Returns:
   UINTN                       NumHandles;\r
   EFI_DEBUG_SUPPORT_PROTOCOL  *DebugSupportProtocolPtr;\r
 \r
-  //\r
-  //  Install Protocol Interface...\r
   //\r
   // First check to see that the debug support protocol for this processor\r
   // type is not already installed\r
@@ -86,7 +74,10 @@ Returns:
                       NULL,\r
                       EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
                       );\r
-      if (Status == EFI_SUCCESS && DebugSupportProtocolPtr->Isa == EFI_ISA) {\r
+      if ((Status == EFI_SUCCESS) && (DebugSupportProtocolPtr->Isa == EFI_ISA)) {\r
+        //\r
+        // a Debug Support protocol has been installed for this processor\r
+        //\r
         FreePool (HandlePtr);\r
         Status = EFI_ALREADY_STARTED;\r
         goto ErrExit;\r
@@ -111,26 +102,26 @@ Returns:
     goto ErrExit;\r
   }\r
 \r
-  LoadedImageProtocolPtr->Unload = plUnloadDebugSupportDriver;\r
+  LoadedImageProtocolPtr->Unload = PlUnloadDebugSupportDriver;\r
 \r
   //\r
-  // Call hook for platform specific initialization\r
+  // Call hook for processor specific initialization \r
   //\r
-  Status = plInitializeDebugSupportDriver ();\r
+  Status = PlInitializeDebugSupportDriver ();\r
   ASSERT (!EFI_ERROR (Status));\r
   if (Status != EFI_SUCCESS) {\r
     goto ErrExit;\r
   }\r
 \r
   //\r
-  // Install DebugSupport protocol to new handle\r
+  // Install Debug Support protocol to new handle\r
   //\r
   Handle = NULL;\r
   Status = gBS->InstallProtocolInterface (\r
                   &Handle,\r
                   &gEfiDebugSupportProtocolGuid,\r
                   EFI_NATIVE_INTERFACE,\r
-                  &gDebugSupportProtocolInterface\r
+                  &mDebugSupportProtocolInterface\r
                   );\r
   ASSERT (!EFI_ERROR (Status));\r
   if (Status != EFI_SUCCESS) {\r