MFC: r284583, r285797, r285799, r287168, r298714, r298720, r298838,

	r300879

Merge ACPICA up to 20160527.

Requested by:	mav

1 files changed, 427 insertions, 0 deletions

diff --git a/sys/contrib/dev/acpica/components/executer/extrace.c b/sys/contrib/dev/acpica/components/executer/extrace.c
new file mode 100644
index 0000000..ea675d9
--- /dev/null
+++ b/sys/contrib/dev/acpica/components/executer/extrace.c
@@ -0,0 +1,427 @@
+/******************************************************************************
+ *
+ * Module Name: extrace - Support for interpreter execution tracing
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2016, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <contrib/dev/acpica/include/acpi.h>
+#include <contrib/dev/acpica/include/accommon.h>
+#include <contrib/dev/acpica/include/acnamesp.h>
+#include <contrib/dev/acpica/include/acinterp.h>
+
+
+#define _COMPONENT          ACPI_EXECUTER
+        ACPI_MODULE_NAME    ("extrace")
+
+
+static ACPI_OPERAND_OBJECT  *AcpiGbl_TraceMethodObject = NULL;
+
+/* Local prototypes */
+
+#ifdef ACPI_DEBUG_OUTPUT
+static const char *
+AcpiExGetTraceEventName (
+    ACPI_TRACE_EVENT_TYPE   Type);
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExInterpreterTraceEnabled
+ *
+ * PARAMETERS:  Name                - Whether method name should be matched,
+ *                                    this should be checked before starting
+ *                                    the tracer
+ *
+ * RETURN:      TRUE if interpreter trace is enabled.
+ *
+ * DESCRIPTION: Check whether interpreter trace is enabled
+ *
+ ******************************************************************************/
+
+static BOOLEAN
+AcpiExInterpreterTraceEnabled (
+    char                    *Name)
+{
+
+    /* Check if tracing is enabled */
+
+    if (!(AcpiGbl_TraceFlags & ACPI_TRACE_ENABLED))
+    {
+        return (FALSE);
+    }
+
+    /*
+     * Check if tracing is filtered:
+     *
+     * 1. If the tracer is started, AcpiGbl_TraceMethodObject should have
+     *    been filled by the trace starter
+     * 2. If the tracer is not started, AcpiGbl_TraceMethodName should be
+     *    matched if it is specified
+     * 3. If the tracer is oneshot style, AcpiGbl_TraceMethodName should
+     *    not be cleared by the trace stopper during the first match
+     */
+    if (AcpiGbl_TraceMethodObject)
+    {
+        return (TRUE);
+    }
+
+    if (Name &&
+        (AcpiGbl_TraceMethodName &&
+         strcmp (AcpiGbl_TraceMethodName, Name)))
+    {
+        return (FALSE);
+    }
+
+    if ((AcpiGbl_TraceFlags & ACPI_TRACE_ONESHOT) &&
+        !AcpiGbl_TraceMethodName)
+    {
+        return (FALSE);
+    }
+
+    return (TRUE);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExGetTraceEventName
+ *
+ * PARAMETERS:  Type            - Trace event type
+ *
+ * RETURN:      Trace event name.
+ *
+ * DESCRIPTION: Used to obtain the full trace event name.
+ *
+ ******************************************************************************/
+
+#ifdef ACPI_DEBUG_OUTPUT
+
+static const char *
+AcpiExGetTraceEventName (
+    ACPI_TRACE_EVENT_TYPE   Type)
+{
+
+    switch (Type)
+    {
+    case ACPI_TRACE_AML_METHOD:
+
+        return "Method";
+
+    case ACPI_TRACE_AML_OPCODE:
+
+        return "Opcode";
+
+    case ACPI_TRACE_AML_REGION:
+
+        return "Region";
+
+    default:
+
+        return "";
+    }
+}
+
+#endif
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExTracePoint
+ *
+ * PARAMETERS:  Type                - Trace event type
+ *              Begin               - TRUE if before execution
+ *              Aml                 - Executed AML address
+ *              Pathname            - Object path
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Internal interpreter execution trace.
+ *
+ ******************************************************************************/
+
+void
+AcpiExTracePoint (
+    ACPI_TRACE_EVENT_TYPE   Type,
+    BOOLEAN                 Begin,
+    UINT8                   *Aml,
+    char                    *Pathname)
+{
+
+    ACPI_FUNCTION_NAME (ExTracePoint);
+
+
+    if (Pathname)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_TRACE_POINT,
+            "%s %s [0x%p:%s] execution.\n",
+            AcpiExGetTraceEventName (Type), Begin ? "Begin" : "End",
+            Aml, Pathname));
+    }
+    else
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_TRACE_POINT,
+            "%s %s [0x%p] execution.\n",
+            AcpiExGetTraceEventName (Type), Begin ? "Begin" : "End",
+            Aml));
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExStartTraceMethod
+ *
+ * PARAMETERS:  MethodNode          - Node of the method
+ *              ObjDesc             - The method object
+ *              WalkState           - current state, NULL if not yet executing
+ *                                    a method.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Start control method execution trace
+ *
+ ******************************************************************************/
+
+void
+AcpiExStartTraceMethod (
+    ACPI_NAMESPACE_NODE     *MethodNode,
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    char                    *Pathname = NULL;
+    BOOLEAN                 Enabled = FALSE;
+
+
+    ACPI_FUNCTION_NAME (ExStartTraceMethod);
+
+
+    if (MethodNode)
+    {
+        Pathname = AcpiNsGetNormalizedPathname (MethodNode, TRUE);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        goto Exit;
+    }
+
+    Enabled = AcpiExInterpreterTraceEnabled (Pathname);
+    if (Enabled && !AcpiGbl_TraceMethodObject)
+    {
+        AcpiGbl_TraceMethodObject = ObjDesc;
+        AcpiGbl_OriginalDbgLevel = AcpiDbgLevel;
+        AcpiGbl_OriginalDbgLayer = AcpiDbgLayer;
+        AcpiDbgLevel = ACPI_TRACE_LEVEL_ALL;
+        AcpiDbgLayer = ACPI_TRACE_LAYER_ALL;
+
+        if (AcpiGbl_TraceDbgLevel)
+        {
+            AcpiDbgLevel = AcpiGbl_TraceDbgLevel;
+        }
+
+        if (AcpiGbl_TraceDbgLayer)
+        {
+            AcpiDbgLayer = AcpiGbl_TraceDbgLayer;
+        }
+    }
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+
+Exit:
+    if (Enabled)
+    {
+        ACPI_TRACE_POINT (ACPI_TRACE_AML_METHOD, TRUE,
+            ObjDesc ? ObjDesc->Method.AmlStart : NULL, Pathname);
+    }
+
+    if (Pathname)
+    {
+        ACPI_FREE (Pathname);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExStopTraceMethod
+ *
+ * PARAMETERS:  MethodNode          - Node of the method
+ *              ObjDesc             - The method object
+ *              WalkState           - current state, NULL if not yet executing
+ *                                    a method.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Stop control method execution trace
+ *
+ ******************************************************************************/
+
+void
+AcpiExStopTraceMethod (
+    ACPI_NAMESPACE_NODE     *MethodNode,
+    ACPI_OPERAND_OBJECT     *ObjDesc,
+    ACPI_WALK_STATE         *WalkState)
+{
+    ACPI_STATUS             Status;
+    char                    *Pathname = NULL;
+    BOOLEAN                 Enabled;
+
+
+    ACPI_FUNCTION_NAME (ExStopTraceMethod);
+
+
+    if (MethodNode)
+    {
+        Pathname = AcpiNsGetNormalizedPathname (MethodNode, TRUE);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        goto ExitPath;
+    }
+
+    Enabled = AcpiExInterpreterTraceEnabled (NULL);
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+
+    if (Enabled)
+    {
+        ACPI_TRACE_POINT (ACPI_TRACE_AML_METHOD, FALSE,
+            ObjDesc ? ObjDesc->Method.AmlStart : NULL, Pathname);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        goto ExitPath;
+    }
+
+    /* Check whether the tracer should be stopped */
+
+    if (AcpiGbl_TraceMethodObject == ObjDesc)
+    {
+        /* Disable further tracing if type is one-shot */
+
+        if (AcpiGbl_TraceFlags & ACPI_TRACE_ONESHOT)
+        {
+            AcpiGbl_TraceMethodName = NULL;
+        }
+
+        AcpiDbgLevel = AcpiGbl_OriginalDbgLevel;
+        AcpiDbgLayer = AcpiGbl_OriginalDbgLayer;
+        AcpiGbl_TraceMethodObject = NULL;
+    }
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+
+ExitPath:
+    if (Pathname)
+    {
+        ACPI_FREE (Pathname);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExStartTraceOpcode
+ *
+ * PARAMETERS:  Op                  - The parser opcode object
+ *              WalkState           - current state, NULL if not yet executing
+ *                                    a method.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Start opcode execution trace
+ *
+ ******************************************************************************/
+
+void
+AcpiExStartTraceOpcode (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_WALK_STATE         *WalkState)
+{
+
+    ACPI_FUNCTION_NAME (ExStartTraceOpcode);
+
+
+    if (AcpiExInterpreterTraceEnabled (NULL) &&
+        (AcpiGbl_TraceFlags & ACPI_TRACE_OPCODE))
+    {
+        ACPI_TRACE_POINT (ACPI_TRACE_AML_OPCODE, TRUE,
+            Op->Common.Aml, Op->Common.AmlOpName);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExStopTraceOpcode
+ *
+ * PARAMETERS:  Op                  - The parser opcode object
+ *              WalkState           - current state, NULL if not yet executing
+ *                                    a method.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Stop opcode execution trace
+ *
+ ******************************************************************************/
+
+void
+AcpiExStopTraceOpcode (
+    ACPI_PARSE_OBJECT       *Op,
+    ACPI_WALK_STATE         *WalkState)
+{
+
+    ACPI_FUNCTION_NAME (ExStopTraceOpcode);
+
+
+    if (AcpiExInterpreterTraceEnabled (NULL) &&
+        (AcpiGbl_TraceFlags & ACPI_TRACE_OPCODE))
+    {
+        ACPI_TRACE_POINT (ACPI_TRACE_AML_OPCODE, FALSE,
+            Op->Common.Aml, Op->Common.AmlOpName);
+    }
+}