Merge ACPICA 20120215.

1 files changed, 529 insertions, 0 deletions

diff --git a/sys/contrib/dev/acpica/components/debugger/dbmethod.c b/sys/contrib/dev/acpica/components/debugger/dbmethod.c
new file mode 100644
index 0000000..ee6677d
--- /dev/null
+++ b/sys/contrib/dev/acpica/components/debugger/dbmethod.c
@@ -0,0 +1,529 @@
+/*******************************************************************************
+ *
+ * Module Name: dbmethod - Debug commands for control methods
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, 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/acdispat.h>
+#include <contrib/dev/acpica/include/acnamesp.h>
+#include <contrib/dev/acpica/include/acdebug.h>
+#include <contrib/dev/acpica/include/acdisasm.h>
+#include <contrib/dev/acpica/include/acparser.h>
+
+
+#ifdef ACPI_DEBUGGER
+
+#define _COMPONENT          ACPI_CA_DEBUGGER
+        ACPI_MODULE_NAME    ("dbmethod")
+
+
+/* Local prototypes */
+
+static ACPI_STATUS
+AcpiDbWalkForExecute (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbSetMethodBreakpoint
+ *
+ * PARAMETERS:  Location            - AML offset of breakpoint
+ *              WalkState           - Current walk info
+ *              Op                  - Current Op (from parse walk)
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Set a breakpoint in a control method at the specified
+ *              AML offset
+ *
+ ******************************************************************************/
+
+void
+AcpiDbSetMethodBreakpoint (
+    char                    *Location,
+    ACPI_WALK_STATE         *WalkState,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    UINT32                  Address;
+
+
+    if (!Op)
+    {
+        AcpiOsPrintf ("There is no method currently executing\n");
+        return;
+    }
+
+    /* Get and verify the breakpoint address */
+
+    Address = ACPI_STRTOUL (Location, NULL, 16);
+    if (Address <= Op->Common.AmlOffset)
+    {
+        AcpiOsPrintf ("Breakpoint %X is beyond current address %X\n",
+            Address, Op->Common.AmlOffset);
+    }
+
+    /* Save breakpoint in current walk */
+
+    WalkState->UserBreakpoint = Address;
+    AcpiOsPrintf ("Breakpoint set at AML offset %X\n", Address);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbSetMethodCallBreakpoint
+ *
+ * PARAMETERS:  Op                  - Current Op (from parse walk)
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Set a breakpoint in a control method at the specified
+ *              AML offset
+ *
+ ******************************************************************************/
+
+void
+AcpiDbSetMethodCallBreakpoint (
+    ACPI_PARSE_OBJECT       *Op)
+{
+
+
+    if (!Op)
+    {
+        AcpiOsPrintf ("There is no method currently executing\n");
+        return;
+    }
+
+    AcpiGbl_StepToNextCall = TRUE;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbSetMethodData
+ *
+ * PARAMETERS:  TypeArg         - L for local, A for argument
+ *              IndexArg        - which one
+ *              ValueArg        - Value to set.
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Set a local or argument for the running control method.
+ *              NOTE: only object supported is Number.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbSetMethodData (
+    char                    *TypeArg,
+    char                    *IndexArg,
+    char                    *ValueArg)
+{
+    char                    Type;
+    UINT32                  Index;
+    UINT32                  Value;
+    ACPI_WALK_STATE         *WalkState;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_STATUS             Status;
+    ACPI_NAMESPACE_NODE     *Node;
+
+
+    /* Validate TypeArg */
+
+    AcpiUtStrupr (TypeArg);
+    Type = TypeArg[0];
+    if ((Type != 'L') &&
+        (Type != 'A') &&
+        (Type != 'N'))
+    {
+        AcpiOsPrintf ("Invalid SET operand: %s\n", TypeArg);
+        return;
+    }
+
+    Value = ACPI_STRTOUL (ValueArg, NULL, 16);
+
+    if (Type == 'N')
+    {
+        Node = AcpiDbConvertToNode (IndexArg);
+        if (Node->Type != ACPI_TYPE_INTEGER)
+        {
+            AcpiOsPrintf ("Can only set Integer nodes\n");
+            return;
+        }
+        ObjDesc = Node->Object;
+        ObjDesc->Integer.Value = Value;
+        return;
+    }
+
+    /* Get the index and value */
+
+    Index = ACPI_STRTOUL (IndexArg, NULL, 16);
+
+    WalkState = AcpiDsGetCurrentWalkState (AcpiGbl_CurrentWalkList);
+    if (!WalkState)
+    {
+        AcpiOsPrintf ("There is no method currently executing\n");
+        return;
+    }
+
+    /* Create and initialize the new object */
+
+    ObjDesc = AcpiUtCreateIntegerObject ((UINT64) Value);
+    if (!ObjDesc)
+    {
+        AcpiOsPrintf ("Could not create an internal object\n");
+        return;
+    }
+
+    /* Store the new object into the target */
+
+    switch (Type)
+    {
+    case 'A':
+
+        /* Set a method argument */
+
+        if (Index > ACPI_METHOD_MAX_ARG)
+        {
+            AcpiOsPrintf ("Arg%u - Invalid argument name\n", Index);
+            goto Cleanup;
+        }
+
+        Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_ARG, Index, ObjDesc,
+                    WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+
+        ObjDesc = WalkState->Arguments[Index].Object;
+
+        AcpiOsPrintf ("Arg%u: ", Index);
+        AcpiDmDisplayInternalObject (ObjDesc, WalkState);
+        break;
+
+    case 'L':
+
+        /* Set a method local */
+
+        if (Index > ACPI_METHOD_MAX_LOCAL)
+        {
+            AcpiOsPrintf ("Local%u - Invalid local variable name\n", Index);
+            goto Cleanup;
+        }
+
+        Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_LOCAL, Index, ObjDesc,
+                    WalkState);
+        if (ACPI_FAILURE (Status))
+        {
+            goto Cleanup;
+        }
+
+        ObjDesc = WalkState->LocalVariables[Index].Object;
+
+        AcpiOsPrintf ("Local%u: ", Index);
+        AcpiDmDisplayInternalObject (ObjDesc, WalkState);
+        break;
+
+    default:
+        break;
+    }
+
+Cleanup:
+    AcpiUtRemoveReference (ObjDesc);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisassembleAml
+ *
+ * PARAMETERS:  Statements          - Number of statements to disassemble
+ *              Op                  - Current Op (from parse walk)
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number
+ *              of statements specified.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbDisassembleAml (
+    char                    *Statements,
+    ACPI_PARSE_OBJECT       *Op)
+{
+    UINT32                  NumStatements = 8;
+
+
+    if (!Op)
+    {
+        AcpiOsPrintf ("There is no method currently executing\n");
+        return;
+    }
+
+    if (Statements)
+    {
+        NumStatements = ACPI_STRTOUL (Statements, NULL, 0);
+    }
+
+#ifdef ACPI_DISASSEMBLER
+    AcpiDmDisassemble (NULL, Op, NumStatements);
+#endif
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbDisassembleMethod
+ *
+ * PARAMETERS:  Name            - Name of control method
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number
+ *              of statements specified.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiDbDisassembleMethod (
+    char                    *Name)
+{
+    ACPI_STATUS             Status;
+    ACPI_PARSE_OBJECT       *Op;
+    ACPI_WALK_STATE         *WalkState;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_NAMESPACE_NODE     *Method;
+
+
+    Method = AcpiDbConvertToNode (Name);
+    if (!Method)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    ObjDesc = Method->Object;
+
+    Op = AcpiPsCreateScopeOp ();
+    if (!Op)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+    /* Create and initialize a new walk state */
+
+    WalkState = AcpiDsCreateWalkState (0, Op, NULL, NULL);
+    if (!WalkState)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+    Status = AcpiDsInitAmlWalk (WalkState, Op, NULL,
+                    ObjDesc->Method.AmlStart,
+                    ObjDesc->Method.AmlLength, NULL, ACPI_IMODE_LOAD_PASS1);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Parse the AML */
+
+    WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE;
+    WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE;
+    Status = AcpiPsParseAml (WalkState);
+
+#ifdef ACPI_DISASSEMBLER
+    AcpiDmDisassemble (NULL, Op, 0);
+#endif
+    AcpiPsDeleteParseTree (Op);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbWalkForExecute
+ *
+ * PARAMETERS:  Callback from WalkNamespace
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Batch execution module. Currently only executes predefined
+ *              ACPI names.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiDbWalkForExecute (
+    ACPI_HANDLE             ObjHandle,
+    UINT32                  NestingLevel,
+    void                    *Context,
+    void                    **ReturnValue)
+{
+    ACPI_NAMESPACE_NODE     *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
+    ACPI_EXECUTE_WALK       *Info = (ACPI_EXECUTE_WALK *) Context;
+    ACPI_BUFFER             ReturnObj;
+    ACPI_STATUS             Status;
+    char                    *Pathname;
+    UINT32                  i;
+    ACPI_DEVICE_INFO        *ObjInfo;
+    ACPI_OBJECT_LIST        ParamObjects;
+    ACPI_OBJECT             Params[ACPI_METHOD_NUM_ARGS];
+    const ACPI_PREDEFINED_INFO *Predefined;
+
+
+    Predefined = AcpiNsCheckForPredefinedName (Node);
+    if (!Predefined)
+    {
+        return (AE_OK);
+    }
+
+    if (Node->Type == ACPI_TYPE_LOCAL_SCOPE)
+    {
+        return (AE_OK);
+    }
+
+    Pathname = AcpiNsGetExternalPathname (Node);
+    if (!Pathname)
+    {
+        return (AE_OK);
+    }
+
+    /* Get the object info for number of method parameters */
+
+    Status = AcpiGetObjectInfo (ObjHandle, &ObjInfo);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    ParamObjects.Pointer = NULL;
+    ParamObjects.Count   = 0;
+
+    if (ObjInfo->Type == ACPI_TYPE_METHOD)
+    {
+        /* Setup default parameters */
+
+        for (i = 0; i < ObjInfo->ParamCount; i++)
+        {
+            Params[i].Type           = ACPI_TYPE_INTEGER;
+            Params[i].Integer.Value  = 1;
+        }
+
+        ParamObjects.Pointer     = Params;
+        ParamObjects.Count       = ObjInfo->ParamCount;
+    }
+
+    ACPI_FREE (ObjInfo);
+    ReturnObj.Pointer = NULL;
+    ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
+
+    /* Do the actual method execution */
+
+    AcpiGbl_MethodExecuting = TRUE;
+
+    Status = AcpiEvaluateObject (Node, NULL, &ParamObjects, &ReturnObj);
+
+    AcpiOsPrintf ("%-32s returned %s\n", Pathname, AcpiFormatException (Status));
+    AcpiGbl_MethodExecuting = FALSE;
+    ACPI_FREE (Pathname);
+
+    /* Ignore status from method execution */
+
+    Status = AE_OK;
+
+    /* Update count, check if we have executed enough methods */
+
+    Info->Count++;
+    if (Info->Count >= Info->MaxCount)
+    {
+        Status = AE_CTRL_TERMINATE;
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiDbBatchExecute
+ *
+ * PARAMETERS:  CountArg            - Max number of methods to execute
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Namespace batch execution. Execute predefined names in the
+ *              namespace, up to the max count, if specified.
+ *
+ ******************************************************************************/
+
+void
+AcpiDbBatchExecute (
+    char                    *CountArg)
+{
+    ACPI_EXECUTE_WALK       Info;
+
+
+    Info.Count = 0;
+    Info.MaxCount = ACPI_UINT32_MAX;
+
+    if (CountArg)
+    {
+        Info.MaxCount = ACPI_STRTOUL (CountArg, NULL, 0);
+    }
+
+
+    /* Search all nodes in namespace */
+
+    (void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
+                AcpiDbWalkForExecute, NULL, (void *) &Info, NULL);
+
+    AcpiOsPrintf ("Executed %u predefined names in the namespace\n", Info.Count);
+}
+
+#endif /* ACPI_DEBUGGER */