Fix more InitializeDebugAgent API change bugs. GDB stub was not turned on in example...

[mirror_edk2.git] / EmbeddedPkg / Library / GdbDebugAgent / Arm / Processor.c

diff --git a/EmbeddedPkg/Library/GdbDebugAgent/Arm/Processor.c b/EmbeddedPkg/Library/GdbDebugAgent/Arm/Processor.c
index c5f59323dbb6bb1eaa3f3e22de400caff066de4f..d3c050499a302fb2f9155649bc8f669ab4429122 100755 (executable)
--- a/EmbeddedPkg/Library/GdbDebugAgent/Arm/Processor.c
+++ b/EmbeddedPkg/Library/GdbDebugAgent/Arm/Processor.c
@@ -15,7 +15,6 @@
 \r
 \r
 #include <GdbDebugAgent.h>\r
-#include <Library/CacheMaintenanceLib.h>\r
 #include <Library/PrintLib.h>\r
 #include <Library/ArmLib.h>\r
 \r
@@ -597,17 +596,31 @@ GdbFPutString (
 /**\r
   Initialize debug agent.\r
 \r
-  This function is used to set up debug enviroment. It may enable interrupts.\r
+  This function is used to set up debug environment to support source level debugging.\r
+  If certain Debug Agent Library instance has to save some private data in the stack,\r
+  this function must work on the mode that doesn't return to the caller, then\r
+  the caller needs to wrap up all rest of logic after InitializeDebugAgent() into one\r
+  function and pass it into InitializeDebugAgent(). InitializeDebugAgent() is\r
+  responsible to invoke the passing-in function at the end of InitializeDebugAgent().\r
 \r
-  @param[in] InitFlag   Init flag is used to decide initialize process.\r
-  @param[in] Context    Context needed according to InitFlag, it was optional.\r
+  If the parameter Function is not NULL, Debug Agent Libary instance will invoke it by\r
+  passing in the Context to be its parameter.\r
+\r
+  If Function() is NULL, Debug Agent Library instance will return after setup debug\r
+  environment.\r
+\r
+  @param[in] InitFlag     Init flag is used to decide the initialize process.\r
+  @param[in] Context      Context needed according to InitFlag; it was optional.\r
+  @param[in] Function     Continue function called by debug agent library; it was\r
+                          optional.\r
 \r
 **/\r
 VOID\r
 EFIAPI\r
 InitializeDebugAgent (\r
   IN UINT32                InitFlag,\r
-  IN VOID                  *Context  OPTIONAL\r
+  IN VOID                  *Context, OPTIONAL\r
+  IN DEBUG_AGENT_CONTINUE  Function  OPTIONAL\r
   )\r
 {  
   UINTN                Offset;\r
@@ -653,6 +666,10 @@ InitializeDebugAgent (
     ArmEnableInterrupts ();\r
   }\r
 \r
+  if (Function != NULL) {\r
+    Function (Context);\r
+  }\r
+\r
   return;\r
 }\r
 \r