vendor/acpica/20151124

1 files changed, 90 insertions, 1 deletions

diff --git a/source/components/debugger/dbxface.c b/source/components/debugger/dbxface.c
index 9e7c31d6c0c8a..cc636dece49ac 100644
--- a/source/components/debugger/dbxface.c
+++ b/source/components/debugger/dbxface.c
@@ -152,6 +152,40 @@ AcpiDbStartCommand (
 
 /*******************************************************************************
  *
+ * FUNCTION:    AcpiDbSignalBreakPoint
+ *
+ * PARAMETERS:  WalkState       - Current walk
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Called for AML_BREAK_POINT_OP
+ *
+ ******************************************************************************/
+
+void
+AcpiDbSignalBreakPoint (
+    ACPI_WALK_STATE         *WalkState)
+{
+
+#ifndef ACPI_APPLICATION
+    if (AcpiGbl_DbThreadId != AcpiOsGetThreadId ())
+    {
+        return;
+    }
+#endif
+
+    /*
+     * Set the single-step flag. This will cause the debugger (if present)
+     * to break to the console within the AML debugger at the start of the
+     * next AML instruction.
+     */
+    AcpiGbl_CmSingleStep = TRUE;
+    AcpiOsPrintf ("**break** Executed AML BreakPoint opcode\n");
+}
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    AcpiDbSingleStep
  *
  * PARAMETERS:  WalkState       - Current walk
@@ -181,6 +215,13 @@ AcpiDbSingleStep (
     ACPI_FUNCTION_ENTRY ();
 
 
+#ifndef ACPI_APPLICATION
+    if (AcpiGbl_DbThreadId != AcpiOsGetThreadId ())
+    {
+        return (AE_OK);
+    }
+#endif
+
     /* Check the abort flag */
 
     if (AcpiGbl_AbortMethod)
@@ -439,6 +480,10 @@ AcpiInitializeDebugger (
     AcpiGbl_DbScopeBuf [1] =  0;
     AcpiGbl_DbScopeNode = AcpiGbl_RootNode;
 
+    /* Initialize user commands loop */
+
+    AcpiGbl_DbTerminateLoop = FALSE;
+
     /*
      * If configured for multi-thread support, the debug executor runs in
      * a separate thread so that the front end can be in another address
@@ -466,15 +511,21 @@ AcpiInitializeDebugger (
 
         /* Create the debug execution thread to execute commands */
 
-        Status = AcpiOsExecute (OSL_DEBUGGER_THREAD,
+        AcpiGbl_DbThreadsTerminated = FALSE;
+        Status = AcpiOsExecute (OSL_DEBUGGER_MAIN_THREAD,
             AcpiDbExecuteThread, NULL);
         if (ACPI_FAILURE (Status))
         {
             ACPI_EXCEPTION ((AE_INFO, Status,
                 "Could not start debugger thread"));
+            AcpiGbl_DbThreadsTerminated = TRUE;
             return_ACPI_STATUS (Status);
         }
     }
+    else
+    {
+        AcpiGbl_DbThreadId = AcpiOsGetThreadId ();
+    }
 
     return_ACPI_STATUS (AE_OK);
 }
@@ -499,6 +550,22 @@ AcpiTerminateDebugger (
     void)
 {
 
+    /* Terminate the AML Debugger */
+
+    AcpiGbl_DbTerminateLoop = TRUE;
+
+    if (AcpiGbl_DebuggerConfiguration & DEBUGGER_MULTI_THREADED)
+    {
+        AcpiOsReleaseMutex (AcpiGbl_DbCommandReady);
+
+        /* Wait the AML Debugger threads */
+
+        while (!AcpiGbl_DbThreadsTerminated)
+        {
+            AcpiOsSleep (100);
+        }
+    }
+
     if (AcpiGbl_DbBuffer)
     {
         AcpiOsFree (AcpiGbl_DbBuffer);
@@ -511,3 +578,25 @@ AcpiTerminateDebugger (
 }
 
 ACPI_EXPORT_SYMBOL (AcpiTerminateDebugger)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiSetDebuggerThreadId
+ *
+ * PARAMETERS:  ThreadId        - Debugger thread ID
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Set debugger thread ID
+ *
+ ******************************************************************************/
+
+void
+AcpiSetDebuggerThreadId (
+    ACPI_THREAD_ID          ThreadId)
+{
+    AcpiGbl_DbThreadId = ThreadId;
+}
+
+ACPI_EXPORT_SYMBOL (AcpiSetDebuggerThreadId)