forked from KolibriOS/kolibrios
893 lines
28 KiB
C
893 lines
28 KiB
C
/******************************************************************************
|
|
*
|
|
* Module Name: aslpredef - support for ACPI predefined names
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/******************************************************************************
|
|
*
|
|
* 1. Copyright Notice
|
|
*
|
|
* Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
|
|
* All rights reserved.
|
|
*
|
|
* 2. License
|
|
*
|
|
* 2.1. This is your license from Intel Corp. under its intellectual property
|
|
* rights. You may have additional license terms from the party that provided
|
|
* you this software, covering your right to use that party's intellectual
|
|
* property rights.
|
|
*
|
|
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
|
|
* copy of the source code appearing in this file ("Covered Code") an
|
|
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
|
|
* base code distributed originally by Intel ("Original Intel Code") to copy,
|
|
* make derivatives, distribute, use and display any portion of the Covered
|
|
* Code in any form, with the right to sublicense such rights; and
|
|
*
|
|
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
|
|
* license (with the right to sublicense), under only those claims of Intel
|
|
* patents that are infringed by the Original Intel Code, to make, use, sell,
|
|
* offer to sell, and import the Covered Code and derivative works thereof
|
|
* solely to the minimum extent necessary to exercise the above copyright
|
|
* license, and in no event shall the patent license extend to any additions
|
|
* to or modifications of the Original Intel Code. No other license or right
|
|
* is granted directly or by implication, estoppel or otherwise;
|
|
*
|
|
* The above copyright and patent license is granted only if the following
|
|
* conditions are met:
|
|
*
|
|
* 3. Conditions
|
|
*
|
|
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
|
|
* Redistribution of source code of any substantial portion of the Covered
|
|
* Code or modification with rights to further distribute source must include
|
|
* the above Copyright Notice, the above License, this list of Conditions,
|
|
* and the following Disclaimer and Export Compliance provision. In addition,
|
|
* Licensee must cause all Covered Code to which Licensee contributes to
|
|
* contain a file documenting the changes Licensee made to create that Covered
|
|
* Code and the date of any change. Licensee must include in that file the
|
|
* documentation of any changes made by any predecessor Licensee. Licensee
|
|
* must include a prominent statement that the modification is derived,
|
|
* directly or indirectly, from Original Intel Code.
|
|
*
|
|
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
|
|
* Redistribution of source code of any substantial portion of the Covered
|
|
* Code or modification without rights to further distribute source must
|
|
* include the following Disclaimer and Export Compliance provision in the
|
|
* documentation and/or other materials provided with distribution. In
|
|
* addition, Licensee may not authorize further sublicense of source of any
|
|
* portion of the Covered Code, and must include terms to the effect that the
|
|
* license from Licensee to its licensee is limited to the intellectual
|
|
* property embodied in the software Licensee provides to its licensee, and
|
|
* not to intellectual property embodied in modifications its licensee may
|
|
* make.
|
|
*
|
|
* 3.3. Redistribution of Executable. Redistribution in executable form of any
|
|
* substantial portion of the Covered Code or modification must reproduce the
|
|
* above Copyright Notice, and the following Disclaimer and Export Compliance
|
|
* provision in the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3.4. Intel retains all right, title, and interest in and to the Original
|
|
* Intel Code.
|
|
*
|
|
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
|
|
* Intel shall be used in advertising or otherwise to promote the sale, use or
|
|
* other dealings in products derived from or relating to the Covered Code
|
|
* without prior written authorization from Intel.
|
|
*
|
|
* 4. Disclaimer and Export Compliance
|
|
*
|
|
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
|
|
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
|
|
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
|
|
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
|
|
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
|
|
* PARTICULAR PURPOSE.
|
|
*
|
|
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
|
|
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
|
|
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
|
|
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
|
|
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
|
|
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
|
|
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
|
|
* LIMITED REMEDY.
|
|
*
|
|
* 4.3. Licensee shall not export, either directly or indirectly, any of this
|
|
* software or system incorporating such software without first obtaining any
|
|
* required license or other approval from the U. S. Department of Commerce or
|
|
* any other agency or department of the United States Government. In the
|
|
* event Licensee exports any such software from the United States or
|
|
* re-exports any such software from a foreign destination, Licensee shall
|
|
* ensure that the distribution and export/re-export of the software is in
|
|
* compliance with all laws, regulations, orders, or other restrictions of the
|
|
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
|
|
* any of its subsidiaries will export/re-export any technical data, process,
|
|
* software, or service, directly or indirectly, to any country for which the
|
|
* United States government or any agency thereof requires an export license,
|
|
* other governmental approval, or letter of assurance, without first obtaining
|
|
* such license, approval or letter.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#define ACPI_CREATE_PREDEFINED_TABLE
|
|
|
|
#include "aslcompiler.h"
|
|
#include "aslcompiler.y.h"
|
|
#include "acpredef.h"
|
|
|
|
|
|
#define _COMPONENT ACPI_COMPILER
|
|
ACPI_MODULE_NAME ("aslpredef")
|
|
|
|
|
|
/* Local prototypes */
|
|
|
|
static void
|
|
ApCheckForUnexpectedReturnValue (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
ASL_METHOD_INFO *MethodInfo);
|
|
|
|
static UINT32
|
|
ApCheckForSpecialName (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
char *Name);
|
|
|
|
static void
|
|
ApCheckObjectType (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 ExpectedBtypes);
|
|
|
|
static void
|
|
ApGetExpectedTypes (
|
|
char *Buffer,
|
|
UINT32 ExpectedBtypes);
|
|
|
|
|
|
/*
|
|
* Names for the types that can be returned by the predefined objects.
|
|
* Used for warning messages. Must be in the same order as the ACPI_RTYPEs
|
|
*/
|
|
static const char *AcpiRtypeNames[] =
|
|
{
|
|
"/Integer",
|
|
"/String",
|
|
"/Buffer",
|
|
"/Package",
|
|
"/Reference",
|
|
};
|
|
|
|
/*
|
|
* Predefined names for use in Resource Descriptors. These names do not
|
|
* appear in the global Predefined Name table (since these names never
|
|
* appear in actual AML byte code, only in the original ASL)
|
|
*/
|
|
static const ACPI_PREDEFINED_INFO ResourceNames[] = {
|
|
{{"_ALN", 0, 0}},
|
|
{{"_ASI", 0, 0}},
|
|
{{"_ASZ", 0, 0}},
|
|
{{"_ATT", 0, 0}},
|
|
{{"_BAS", 0, 0}},
|
|
{{"_BM_", 0, 0}},
|
|
{{"_DEC", 0, 0}},
|
|
{{"_GRA", 0, 0}},
|
|
{{"_HE_", 0, 0}},
|
|
{{"_INT", 0, 0}},
|
|
{{"_LEN", 0, 0}},
|
|
{{"_LL_", 0, 0}},
|
|
{{"_MAF", 0, 0}},
|
|
{{"_MAX", 0, 0}},
|
|
{{"_MEM", 0, 0}},
|
|
{{"_MIF", 0, 0}},
|
|
{{"_MIN", 0, 0}},
|
|
{{"_MTP", 0, 0}},
|
|
{{"_RBO", 0, 0}},
|
|
{{"_RBW", 0, 0}},
|
|
{{"_RNG", 0, 0}},
|
|
{{"_RT_", 0, 0}}, /* Acpi 3.0 */
|
|
{{"_RW_", 0, 0}},
|
|
{{"_SHR", 0, 0}},
|
|
{{"_SIZ", 0, 0}},
|
|
{{"_TRA", 0, 0}},
|
|
{{"_TRS", 0, 0}},
|
|
{{"_TSF", 0, 0}}, /* Acpi 3.0 */
|
|
{{"_TTP", 0, 0}},
|
|
{{"_TYP", 0, 0}},
|
|
{{{0,0,0,0}, 0, 0}} /* Table terminator */
|
|
};
|
|
|
|
static const ACPI_PREDEFINED_INFO ScopeNames[] = {
|
|
{{"_SB_", 0, 0}},
|
|
{{"_SI_", 0, 0}},
|
|
{{"_TZ_", 0, 0}},
|
|
{{{0,0,0,0}, 0, 0}} /* Table terminator */
|
|
};
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: ApCheckForPredefinedMethod
|
|
*
|
|
* PARAMETERS: Op - A parse node of type "METHOD".
|
|
* MethodInfo - Saved info about this method
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: If method is a predefined name, check that the number of
|
|
* arguments and the return type (returns a value or not)
|
|
* is correct.
|
|
*
|
|
******************************************************************************/
|
|
|
|
BOOLEAN
|
|
ApCheckForPredefinedMethod (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
ASL_METHOD_INFO *MethodInfo)
|
|
{
|
|
UINT32 Index;
|
|
UINT32 RequiredArgsCurrent;
|
|
UINT32 RequiredArgsOld;
|
|
|
|
|
|
/* Check for a match against the predefined name list */
|
|
|
|
Index = ApCheckForPredefinedName (Op, Op->Asl.NameSeg);
|
|
|
|
switch (Index)
|
|
{
|
|
case ACPI_NOT_RESERVED_NAME: /* No underscore or _Txx or _xxx name not matched */
|
|
case ACPI_PREDEFINED_NAME: /* Resource Name or reserved scope name */
|
|
case ACPI_COMPILER_RESERVED_NAME: /* A _Txx that was not emitted by compiler */
|
|
|
|
/* Just return, nothing to do */
|
|
return (FALSE);
|
|
|
|
|
|
case ACPI_EVENT_RESERVED_NAME: /* _Lxx/_Exx/_Wxx/_Qxx methods */
|
|
|
|
Gbl_ReservedMethods++;
|
|
|
|
/* NumArguments must be zero for all _Lxx/_Exx/_Wxx/_Qxx methods */
|
|
|
|
if (MethodInfo->NumArguments != 0)
|
|
{
|
|
sprintf (MsgBuffer, "%s requires %u", Op->Asl.ExternalName, 0);
|
|
|
|
AslError (ASL_WARNING, ASL_MSG_RESERVED_ARG_COUNT_HI, Op,
|
|
MsgBuffer);
|
|
}
|
|
break;
|
|
|
|
|
|
default:
|
|
/*
|
|
* Matched a predefined method name
|
|
*
|
|
* Validate the ASL-defined argument count. Allow two different legal
|
|
* arg counts.
|
|
*/
|
|
Gbl_ReservedMethods++;
|
|
|
|
RequiredArgsCurrent = PredefinedNames[Index].Info.ParamCount & 0x0F;
|
|
RequiredArgsOld = PredefinedNames[Index].Info.ParamCount >> 4;
|
|
|
|
if ((MethodInfo->NumArguments != RequiredArgsCurrent) &&
|
|
(MethodInfo->NumArguments != RequiredArgsOld))
|
|
{
|
|
sprintf (MsgBuffer, "%4.4s requires %u",
|
|
PredefinedNames[Index].Info.Name, RequiredArgsCurrent);
|
|
|
|
if (MethodInfo->NumArguments > RequiredArgsCurrent)
|
|
{
|
|
AslError (ASL_WARNING, ASL_MSG_RESERVED_ARG_COUNT_HI, Op,
|
|
MsgBuffer);
|
|
}
|
|
else
|
|
{
|
|
AslError (ASL_WARNING, ASL_MSG_RESERVED_ARG_COUNT_LO, Op,
|
|
MsgBuffer);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Check if method returns no value, but the predefined name is
|
|
* required to return a value
|
|
*/
|
|
if (MethodInfo->NumReturnNoValue &&
|
|
PredefinedNames[Index].Info.ExpectedBtypes)
|
|
{
|
|
ApGetExpectedTypes (StringBuffer,
|
|
PredefinedNames[Index].Info.ExpectedBtypes);
|
|
|
|
sprintf (MsgBuffer, "%s required for %4.4s",
|
|
StringBuffer, PredefinedNames[Index].Info.Name);
|
|
|
|
AslError (ASL_WARNING, ASL_MSG_RESERVED_RETURN_VALUE, Op,
|
|
MsgBuffer);
|
|
}
|
|
break;
|
|
}
|
|
|
|
return (TRUE);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: ApCheckForUnexpectedReturnValue
|
|
*
|
|
* PARAMETERS: Op - A parse node of type "RETURN".
|
|
* MethodInfo - Saved info about this method
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Check for an unexpected return value from a predefined method.
|
|
* Invoked for predefined methods that are defined to not return
|
|
* any value. If there is a return value, issue a remark, since
|
|
* the ASL writer may be confused as to the method definition
|
|
* and/or functionality.
|
|
*
|
|
* Note: We ignore all return values of "Zero", since this is what a standalone
|
|
* Return() statement will always generate -- so we ignore it here --
|
|
* i.e., there is no difference between Return() and Return(Zero).
|
|
* Also, a null Return() will be disassembled to return(Zero) -- so, we
|
|
* don't want to generate extraneous remarks/warnings for a disassembled
|
|
* ASL file.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
ApCheckForUnexpectedReturnValue (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
ASL_METHOD_INFO *MethodInfo)
|
|
{
|
|
ACPI_PARSE_OBJECT *ReturnValueOp;
|
|
|
|
|
|
/* Ignore Return() and Return(Zero) (they are the same) */
|
|
|
|
ReturnValueOp = Op->Asl.Child;
|
|
if (ReturnValueOp->Asl.ParseOpcode == PARSEOP_ZERO)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/* We have a valid return value, but the reserved name did not expect it */
|
|
|
|
AslError (ASL_WARNING, ASL_MSG_RESERVED_NO_RETURN_VAL,
|
|
Op, MethodInfo->Op->Asl.ExternalName);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: ApCheckPredefinedReturnValue
|
|
*
|
|
* PARAMETERS: Op - A parse node of type "RETURN".
|
|
* MethodInfo - Saved info about this method
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: If method is a predefined name, attempt to validate the return
|
|
* value. Only "static" types can be validated - a simple return
|
|
* of an integer/string/buffer/package or a named reference to
|
|
* a static object. Values such as a Localx or Argx or a control
|
|
* method invocation are not checked. Issue a warning if there is
|
|
* a valid return value, but the reserved method defines no
|
|
* return value.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
ApCheckPredefinedReturnValue (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
ASL_METHOD_INFO *MethodInfo)
|
|
{
|
|
UINT32 Index;
|
|
ACPI_PARSE_OBJECT *ReturnValueOp;
|
|
|
|
|
|
/* Check parent method for a match against the predefined name list */
|
|
|
|
Index = ApCheckForPredefinedName (MethodInfo->Op,
|
|
MethodInfo->Op->Asl.NameSeg);
|
|
|
|
switch (Index)
|
|
{
|
|
case ACPI_EVENT_RESERVED_NAME: /* _Lxx/_Exx/_Wxx/_Qxx methods */
|
|
|
|
/* No return value expected, warn if there is one */
|
|
|
|
ApCheckForUnexpectedReturnValue (Op, MethodInfo);
|
|
return;
|
|
|
|
case ACPI_NOT_RESERVED_NAME: /* No underscore or _Txx or _xxx name not matched */
|
|
case ACPI_PREDEFINED_NAME: /* Resource Name or reserved scope name */
|
|
case ACPI_COMPILER_RESERVED_NAME: /* A _Txx that was not emitted by compiler */
|
|
|
|
/* Just return, nothing to do */
|
|
return;
|
|
|
|
default: /* A standard predefined ACPI name */
|
|
|
|
if (!PredefinedNames[Index].Info.ExpectedBtypes)
|
|
{
|
|
/* No return value expected, warn if there is one */
|
|
|
|
ApCheckForUnexpectedReturnValue (Op, MethodInfo);
|
|
return;
|
|
}
|
|
|
|
/* Get the object returned, it is the next argument */
|
|
|
|
ReturnValueOp = Op->Asl.Child;
|
|
switch (ReturnValueOp->Asl.ParseOpcode)
|
|
{
|
|
case PARSEOP_ZERO:
|
|
case PARSEOP_ONE:
|
|
case PARSEOP_ONES:
|
|
case PARSEOP_INTEGER:
|
|
case PARSEOP_STRING_LITERAL:
|
|
case PARSEOP_BUFFER:
|
|
case PARSEOP_PACKAGE:
|
|
|
|
/* Static data return object - check against expected type */
|
|
|
|
ApCheckObjectType (ReturnValueOp,
|
|
PredefinedNames[Index].Info.ExpectedBtypes);
|
|
break;
|
|
|
|
default:
|
|
|
|
/*
|
|
* All other ops are very difficult or impossible to typecheck at
|
|
* compile time. These include all Localx, Argx, and method
|
|
* invocations. Also, NAMESEG and NAMESTRING because the type of
|
|
* any named object can be changed at runtime (for example,
|
|
* CopyObject will change the type of the target object.)
|
|
*/
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: ApCheckForPredefinedObject
|
|
*
|
|
* PARAMETERS: Op - A parse node
|
|
* Name - The ACPI name to be checked
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Check for a predefined name for a static object (created via
|
|
* the ASL Name operator). If it is a predefined ACPI name, ensure
|
|
* that the name does not require any arguments (which would
|
|
* require a control method implemenation of the name), and that
|
|
* the type of the object is one of the expected types for the
|
|
* predefined name.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
ApCheckForPredefinedObject (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
char *Name)
|
|
{
|
|
UINT32 Index;
|
|
|
|
|
|
/*
|
|
* Check for a real predefined name -- not a resource descriptor name
|
|
* or a predefined scope name
|
|
*/
|
|
Index = ApCheckForPredefinedName (Op, Name);
|
|
|
|
switch (Index)
|
|
{
|
|
case ACPI_NOT_RESERVED_NAME: /* No underscore or _Txx or _xxx name not matched */
|
|
case ACPI_PREDEFINED_NAME: /* Resource Name or reserved scope name */
|
|
case ACPI_COMPILER_RESERVED_NAME: /* A _Txx that was not emitted by compiler */
|
|
|
|
/* Nothing to do */
|
|
return;
|
|
|
|
case ACPI_EVENT_RESERVED_NAME: /* _Lxx/_Exx/_Wxx/_Qxx methods */
|
|
|
|
/*
|
|
* These names must be control methods, by definition in ACPI spec.
|
|
* Also because they are defined to return no value. None of them
|
|
* require any arguments.
|
|
*/
|
|
AslError (ASL_ERROR, ASL_MSG_RESERVED_METHOD, Op,
|
|
"with zero arguments");
|
|
return;
|
|
|
|
default: /* A standard predefined ACPI name */
|
|
|
|
/*
|
|
* If this predefined name requires input arguments, then
|
|
* it must be implemented as a control method
|
|
*/
|
|
if (PredefinedNames[Index].Info.ParamCount > 0)
|
|
{
|
|
AslError (ASL_ERROR, ASL_MSG_RESERVED_METHOD, Op,
|
|
"with arguments");
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* If no return value is expected from this predefined name, then
|
|
* it follows that it must be implemented as a control method
|
|
* (with zero args, because the args > 0 case was handled above)
|
|
* Examples are: _DIS, _INI, _IRC, _OFF, _ON, _PSx
|
|
*/
|
|
if (!PredefinedNames[Index].Info.ExpectedBtypes)
|
|
{
|
|
AslError (ASL_ERROR, ASL_MSG_RESERVED_METHOD, Op,
|
|
"with zero arguments");
|
|
return;
|
|
}
|
|
|
|
/* Typecheck the actual object, it is the next argument */
|
|
|
|
ApCheckObjectType (Op->Asl.Child->Asl.Next,
|
|
PredefinedNames[Index].Info.ExpectedBtypes);
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: ApCheckForPredefinedName
|
|
*
|
|
* PARAMETERS: Op - A parse node
|
|
* Name - NameSeg to check
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Check a NameSeg against the reserved list.
|
|
*
|
|
******************************************************************************/
|
|
|
|
UINT32
|
|
ApCheckForPredefinedName (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
char *Name)
|
|
{
|
|
UINT32 i;
|
|
|
|
|
|
if (Name[0] == 0)
|
|
{
|
|
AcpiOsPrintf ("Found a null name, external = %s\n",
|
|
Op->Asl.ExternalName);
|
|
}
|
|
|
|
/* All reserved names are prefixed with a single underscore */
|
|
|
|
if (Name[0] != '_')
|
|
{
|
|
return (ACPI_NOT_RESERVED_NAME);
|
|
}
|
|
|
|
/* Check for a standard predefined method name */
|
|
|
|
for (i = 0; PredefinedNames[i].Info.Name[0]; i++)
|
|
{
|
|
if (ACPI_COMPARE_NAME (Name, PredefinedNames[i].Info.Name))
|
|
{
|
|
/* Return index into predefined array */
|
|
return (i);
|
|
}
|
|
}
|
|
|
|
/* Check for resource names and predefined scope names */
|
|
|
|
for (i = 0; ResourceNames[i].Info.Name[0]; i++)
|
|
{
|
|
if (ACPI_COMPARE_NAME (Name, ResourceNames[i].Info.Name))
|
|
{
|
|
return (ACPI_PREDEFINED_NAME);
|
|
}
|
|
}
|
|
|
|
for (i = 0; ScopeNames[i].Info.Name[0]; i++)
|
|
{
|
|
if (ACPI_COMPARE_NAME (Name, ScopeNames[i].Info.Name))
|
|
{
|
|
return (ACPI_PREDEFINED_NAME);
|
|
}
|
|
}
|
|
|
|
/* Check for _Lxx/_Exx/_Wxx/_Qxx/_T_x. Warning if unknown predefined name */
|
|
|
|
return (ApCheckForSpecialName (Op, Name));
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: ApCheckForSpecialName
|
|
*
|
|
* PARAMETERS: Op - A parse node
|
|
* Name - NameSeg to check
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Check for the "special" predefined names -
|
|
* _Lxx, _Exx, _Qxx, _Wxx, and _T_x
|
|
*
|
|
******************************************************************************/
|
|
|
|
static UINT32
|
|
ApCheckForSpecialName (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
char *Name)
|
|
{
|
|
|
|
/*
|
|
* Check for the "special" predefined names. We already know that the
|
|
* first character is an underscore.
|
|
* GPE: _Lxx
|
|
* GPE: _Exx
|
|
* GPE: _Wxx
|
|
* EC: _Qxx
|
|
*/
|
|
if ((Name[1] == 'L') ||
|
|
(Name[1] == 'E') ||
|
|
(Name[1] == 'W') ||
|
|
(Name[1] == 'Q'))
|
|
{
|
|
/* The next two characters must be hex digits */
|
|
|
|
if ((isxdigit ((int) Name[2])) &&
|
|
(isxdigit ((int) Name[3])))
|
|
{
|
|
return (ACPI_EVENT_RESERVED_NAME);
|
|
}
|
|
}
|
|
|
|
/* Check for the names reserved for the compiler itself: _T_x */
|
|
|
|
else if ((Op->Asl.ExternalName[1] == 'T') &&
|
|
(Op->Asl.ExternalName[2] == '_'))
|
|
{
|
|
/* Ignore if actually emitted by the compiler */
|
|
|
|
if (Op->Asl.CompileFlags & NODE_COMPILER_EMITTED)
|
|
{
|
|
return (ACPI_NOT_RESERVED_NAME);
|
|
}
|
|
|
|
/*
|
|
* Was not actually emitted by the compiler. This is a special case,
|
|
* however. If the ASL code being compiled was the result of a
|
|
* dissasembly, it may possibly contain valid compiler-emitted names
|
|
* of the form "_T_x". We don't want to issue an error or even a
|
|
* warning and force the user to manually change the names. So, we
|
|
* will issue a remark instead.
|
|
*/
|
|
AslError (ASL_REMARK, ASL_MSG_COMPILER_RESERVED, Op, Op->Asl.ExternalName);
|
|
return (ACPI_COMPILER_RESERVED_NAME);
|
|
}
|
|
|
|
/*
|
|
* The name didn't match any of the known predefined names. Flag it as a
|
|
* warning, since the entire namespace starting with an underscore is
|
|
* reserved by the ACPI spec.
|
|
*/
|
|
AslError (ASL_WARNING, ASL_MSG_UNKNOWN_RESERVED_NAME, Op,
|
|
Op->Asl.ExternalName);
|
|
|
|
return (ACPI_NOT_RESERVED_NAME);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: ApCheckObjectType
|
|
*
|
|
* PARAMETERS: Op - Current parse node
|
|
* ExpectedBtypes - Bitmap of expected return type(s)
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Check if the object type is one of the types that is expected
|
|
* by the predefined name. Only a limited number of object types
|
|
* can be returned by the predefined names.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
ApCheckObjectType (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
UINT32 ExpectedBtypes)
|
|
{
|
|
UINT32 ReturnBtype;
|
|
|
|
|
|
switch (Op->Asl.ParseOpcode)
|
|
{
|
|
case PARSEOP_ZERO:
|
|
case PARSEOP_ONE:
|
|
case PARSEOP_ONES:
|
|
case PARSEOP_INTEGER:
|
|
ReturnBtype = ACPI_RTYPE_INTEGER;
|
|
break;
|
|
|
|
case PARSEOP_BUFFER:
|
|
ReturnBtype = ACPI_RTYPE_BUFFER;
|
|
break;
|
|
|
|
case PARSEOP_STRING_LITERAL:
|
|
ReturnBtype = ACPI_RTYPE_STRING;
|
|
break;
|
|
|
|
case PARSEOP_PACKAGE:
|
|
ReturnBtype = ACPI_RTYPE_PACKAGE;
|
|
break;
|
|
|
|
default:
|
|
/* Not one of the supported object types */
|
|
|
|
goto TypeErrorExit;
|
|
}
|
|
|
|
/* Exit if the object is one of the expected types */
|
|
|
|
if (ReturnBtype & ExpectedBtypes)
|
|
{
|
|
return;
|
|
}
|
|
|
|
|
|
TypeErrorExit:
|
|
|
|
/* Format the expected types and emit an error message */
|
|
|
|
ApGetExpectedTypes (StringBuffer, ExpectedBtypes);
|
|
|
|
sprintf (MsgBuffer, "found %s, requires %s",
|
|
UtGetOpName (Op->Asl.ParseOpcode), StringBuffer);
|
|
|
|
AslError (ASL_ERROR, ASL_MSG_RESERVED_OPERAND_TYPE, Op,
|
|
MsgBuffer);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: ApDisplayReservedNames
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Dump information about the ACPI predefined names and predefined
|
|
* resource descriptor names.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
ApDisplayReservedNames (
|
|
void)
|
|
{
|
|
const ACPI_PREDEFINED_INFO *ThisName;
|
|
char TypeBuffer[48]; /* Room for 5 types */
|
|
UINT32 Count;
|
|
|
|
|
|
/*
|
|
* Predefined names/methods
|
|
*/
|
|
printf ("\nPredefined Name Information\n\n");
|
|
|
|
Count = 0;
|
|
ThisName = PredefinedNames;
|
|
while (ThisName->Info.Name[0])
|
|
{
|
|
printf ("%4.4s Requires %u arguments, ",
|
|
ThisName->Info.Name, ThisName->Info.ParamCount & 0x0F);
|
|
|
|
if (ThisName->Info.ExpectedBtypes)
|
|
{
|
|
ApGetExpectedTypes (TypeBuffer, ThisName->Info.ExpectedBtypes);
|
|
printf ("Must return: %s\n", TypeBuffer);
|
|
}
|
|
else
|
|
{
|
|
printf ("No return value\n");
|
|
}
|
|
|
|
/*
|
|
* Skip next entry in the table if this name returns a Package
|
|
* (next entry contains the package info)
|
|
*/
|
|
if (ThisName->Info.ExpectedBtypes & ACPI_RTYPE_PACKAGE)
|
|
{
|
|
ThisName++;
|
|
}
|
|
|
|
Count++;
|
|
ThisName++;
|
|
}
|
|
|
|
printf ("%u Predefined Names are recognized\n", Count);
|
|
|
|
/*
|
|
* Resource Descriptor names
|
|
*/
|
|
printf ("\nResource Descriptor Predefined Names\n\n");
|
|
|
|
Count = 0;
|
|
ThisName = ResourceNames;
|
|
while (ThisName->Info.Name[0])
|
|
{
|
|
printf ("%4.4s Resource Descriptor\n", ThisName->Info.Name);
|
|
Count++;
|
|
ThisName++;
|
|
}
|
|
|
|
printf ("%u Resource Descriptor Names are recognized\n", Count);
|
|
|
|
/*
|
|
* Predefined scope names
|
|
*/
|
|
printf ("\nPredefined Scope Names\n\n");
|
|
|
|
ThisName = ScopeNames;
|
|
while (ThisName->Info.Name[0])
|
|
{
|
|
printf ("%4.4s Scope\n", ThisName->Info.Name);
|
|
ThisName++;
|
|
}
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: ApGetExpectedTypes
|
|
*
|
|
* PARAMETERS: Buffer - Where the formatted string is returned
|
|
* ExpectedBTypes - Bitfield of expected data types
|
|
*
|
|
* RETURN: None, formatted string
|
|
*
|
|
* DESCRIPTION: Format the expected object types into a printable string.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
ApGetExpectedTypes (
|
|
char *Buffer,
|
|
UINT32 ExpectedBtypes)
|
|
{
|
|
UINT32 ThisRtype;
|
|
UINT32 i;
|
|
UINT32 j;
|
|
|
|
|
|
j = 1;
|
|
Buffer[0] = 0;
|
|
ThisRtype = ACPI_RTYPE_INTEGER;
|
|
|
|
for (i = 0; i < ACPI_NUM_RTYPES; i++)
|
|
{
|
|
/* If one of the expected types, concatenate the name of this type */
|
|
|
|
if (ExpectedBtypes & ThisRtype)
|
|
{
|
|
ACPI_STRCAT (Buffer, &AcpiRtypeNames[i][j]);
|
|
j = 0; /* Use name separator from now on */
|
|
}
|
|
ThisRtype <<= 1; /* Next Rtype */
|
|
}
|
|
}
|
|
|