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f-stack/freebsd/contrib/dev/acpica/compiler/cvdisasm.c

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/******************************************************************************
*
* Module Name: cvcompiler - ASL-/ASL+ converter functions
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2020, 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.
*
*****************************************************************************
*
* Alternatively, you may choose to be licensed under the terms of the
* following license:
*
* 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.
*
* 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 MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* 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 DAMAGE.
*
* Alternatively, you may choose to be licensed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
*****************************************************************************/
#include <contrib/dev/acpica/compiler/aslcompiler.h>
#include <contrib/dev/acpica/include/acparser.h>
#include <contrib/dev/acpica/include/amlcode.h>
#include <contrib/dev/acpica/include/acdebug.h>
#include <contrib/dev/acpica/include/acconvert.h>
/* Local prototypes */
static void
CvPrintInclude(
ACPI_FILE_NODE *FNode,
UINT32 Level);
static BOOLEAN
CvListIsSingleton (
ACPI_COMMENT_NODE *CommentList);
/*******************************************************************************
*
* FUNCTION: CvPrintOneCommentList
*
* PARAMETERS: CommentList
* Level
*
* RETURN: None
*
* DESCRIPTION: Prints all comments within the given list.
* This is referred as ASL_CV_PRINT_ONE_COMMENT_LIST.
*
******************************************************************************/
void
CvPrintOneCommentList (
ACPI_COMMENT_NODE *CommentList,
UINT32 Level)
{
ACPI_COMMENT_NODE *Current = CommentList;
ACPI_COMMENT_NODE *Previous;
while (Current)
{
Previous = Current;
if (Current->Comment)
{
AcpiDmIndent(Level);
AcpiOsPrintf("%s\n", Current->Comment);
Current->Comment = NULL;
}
Current = Current->Next;
AcpiOsReleaseObject(AcpiGbl_RegCommentCache, Previous);
}
}
/*******************************************************************************
*
* FUNCTION: CvListIsSingleton
*
* PARAMETERS: CommentList - check to see if this is a single item list.
*
* RETURN: BOOLEAN
*
* DESCRIPTION: Returns TRUE if CommentList only contains 1 node.
*
******************************************************************************/
static BOOLEAN
CvListIsSingleton (
ACPI_COMMENT_NODE *CommentList)
{
if (!CommentList)
{
return (FALSE);
}
else if (CommentList->Next)
{
return (FALSE);
}
return (TRUE);
}
/*******************************************************************************
*
* FUNCTION: CvPrintOneCommentType
*
* PARAMETERS: Op
* CommentType
* EndStr - String to print after printing the comment
* Level - indentation level for comment lists.
*
* RETURN: None
*
* DESCRIPTION: Prints all comments of CommentType within the given Op and
* clears the printed comment from the Op.
* This is referred as ASL_CV_PRINT_ONE_COMMENT.
*
******************************************************************************/
void
CvPrintOneCommentType (
ACPI_PARSE_OBJECT *Op,
UINT8 CommentType,
char* EndStr,
UINT32 Level)
{
BOOLEAN CommentExists = FALSE;
char **CommentToPrint = NULL;
switch (CommentType)
{
case AML_COMMENT_STANDARD:
if (CvListIsSingleton (Op->Common.CommentList))
{
CvPrintOneCommentList (Op->Common.CommentList, Level);
AcpiOsPrintf ("\n");
}
else
{
CvPrintOneCommentList (Op->Common.CommentList, Level);
}
Op->Common.CommentList = NULL;
return;
case AML_COMMENT_ENDBLK:
if (Op->Common.EndBlkComment)
{
CvPrintOneCommentList (Op->Common.EndBlkComment, Level);
Op->Common.EndBlkComment = NULL;
AcpiDmIndent(Level);
}
return;
case AMLCOMMENT_INLINE:
CommentToPrint = &Op->Common.InlineComment;
break;
case AML_COMMENT_END_NODE:
CommentToPrint = &Op->Common.EndNodeComment;
break;
case AML_NAMECOMMENT:
CommentToPrint = &Op->Common.NameComment;
break;
case AML_COMMENT_CLOSE_BRACE:
CommentToPrint = &Op->Common.CloseBraceComment;
break;
default:
return;
}
if (*CommentToPrint)
{
CommentExists = TRUE;
AcpiOsPrintf ("%s", *CommentToPrint);
*CommentToPrint = NULL;
}
if (CommentExists && EndStr)
{
AcpiOsPrintf ("%s", EndStr);
}
}
/*******************************************************************************
*
* FUNCTION: CvCloseBraceWriteComment
*
* PARAMETERS: Op
* Level
*
* RETURN: None
*
* DESCRIPTION: Print a close brace } and any open brace comments associated
* with this parse object.
* This is referred as ASL_CV_CLOSE_BRACE.
*
******************************************************************************/
void
CvCloseBraceWriteComment(
ACPI_PARSE_OBJECT *Op,
UINT32 Level)
{
if (!AcpiGbl_CaptureComments)
{
AcpiOsPrintf ("}");
return;
}
CvPrintOneCommentType (Op, AML_COMMENT_ENDBLK, NULL, Level);
AcpiOsPrintf ("}");
CvPrintOneCommentType (Op, AML_COMMENT_CLOSE_BRACE, NULL, Level);
}
/*******************************************************************************
*
* FUNCTION: CvCloseParenWriteComment
*
* PARAMETERS: Op
* Level
*
* RETURN: None
*
* DESCRIPTION: Print a closing paren ) and any end node comments associated
* with this parse object.
* This is referred as ASL_CV_CLOSE_PAREN.
*
******************************************************************************/
void
CvCloseParenWriteComment(
ACPI_PARSE_OBJECT *Op,
UINT32 Level)
{
if (!AcpiGbl_CaptureComments)
{
AcpiOsPrintf (")");
return;
}
/*
* If this op has a BLOCK_BRACE, then output the comment when the
* disassembler calls CvCloseBraceWriteComment
*/
if (AcpiDmBlockType (Op) == BLOCK_PAREN)
{
CvPrintOneCommentType (Op, AML_COMMENT_ENDBLK, NULL, Level);
}
AcpiOsPrintf (")");
if (Op->Common.EndNodeComment)
{
CvPrintOneCommentType (Op, AML_COMMENT_END_NODE, NULL, Level);
}
else if ((Op->Common.Parent->Common.AmlOpcode == AML_IF_OP) &&
Op->Common.Parent->Common.EndNodeComment)
{
CvPrintOneCommentType (Op->Common.Parent,
AML_COMMENT_END_NODE, NULL, Level);
}
}
/*******************************************************************************
*
* FUNCTION: CvFileHasSwitched
*
* PARAMETERS: Op
*
* RETURN: BOOLEAN
*
* DESCRIPTION: Determine whether if a file has switched.
* TRUE - file has switched.
* FALSE - file has not switched.
* This is referred as ASL_CV_FILE_HAS_SWITCHED.
*
******************************************************************************/
BOOLEAN
CvFileHasSwitched(
ACPI_PARSE_OBJECT *Op)
{
if (Op->Common.CvFilename &&
AcpiGbl_CurrentFilename &&
AcpiUtStricmp(Op->Common.CvFilename, AcpiGbl_CurrentFilename))
{
return (TRUE);
}
return (FALSE);
}
/*******************************************************************************
*
* FUNCTION: CvPrintInclude
*
* PARAMETERS: FNode - Write an Include statement for the file that is pointed
* by FNode->File.
* Level - indentation level
*
* RETURN: None
*
* DESCRIPTION: Write the ASL Include statement for FNode->File in the file
* indicated by FNode->Parent->File. Note this function emits
* actual ASL code rather than comments. This switches the output
* file to FNode->Parent->File.
*
******************************************************************************/
static void
CvPrintInclude(
ACPI_FILE_NODE *FNode,
UINT32 Level)
{
if (!FNode || FNode->IncludeWritten)
{
return;
}
CvDbgPrint ("Writing include for %s within %s\n",
FNode->Filename, FNode->Parent->Filename);
AcpiOsRedirectOutput (FNode->Parent->File);
CvPrintOneCommentList (FNode->IncludeComment, Level);
AcpiDmIndent (Level);
AcpiOsPrintf ("Include (\"%s\")\n", FNode->Filename);
CvDbgPrint ("emitted the following: Include (\"%s\")\n",
FNode->Filename);
FNode->IncludeWritten = TRUE;
}
/*******************************************************************************
*
* FUNCTION: CvSwitchFiles
*
* PARAMETERS: Level - indentation level
* Op
*
* RETURN: None
*
* DESCRIPTION: Switch the outputfile and write ASL Include statement. Note,
* this function emits actual ASL code rather than comments.
* This is referred as ASL_CV_SWITCH_FILES.
*
******************************************************************************/
void
CvSwitchFiles(
UINT32 Level,
ACPI_PARSE_OBJECT *Op)
{
char *Filename = Op->Common.CvFilename;
ACPI_FILE_NODE *FNode;
ACPI_FILE_NODE *Current;
CvDbgPrint ("Switching from %s to %s\n", AcpiGbl_CurrentFilename,
Filename);
FNode = CvFilenameExists (Filename, AcpiGbl_FileTreeRoot);
if (!FNode)
{
/*
* At this point, each Filename should exist in AcpiGbl_FileTreeRoot
* if it does not exist, then abort.
*/
FlDeleteFile (ASL_FILE_AML_OUTPUT);
sprintf (AslGbl_MsgBuffer, "\"Cannot find %s\" - %s",
Filename, strerror (errno));
AslCommonError (ASL_ERROR, ASL_MSG_OPEN, 0, 0, 0, 0,
NULL, AslGbl_MsgBuffer);
AslAbort ();
}
Current = FNode;
/*
* If the previous file is a descendent of the current file,
* make sure that Include statements from the current file
* to the previous have been emitted.
*/
while (Current &&
Current->Parent &&
AcpiUtStricmp (Current->Filename, AcpiGbl_CurrentFilename))
{
CvPrintInclude (Current, Level);
Current = Current->Parent;
}
if (FNode)
{
/* Redirect output to Op->Common.CvFilename */
AcpiOsRedirectOutput (FNode->File);
AcpiGbl_CurrentFilename = FNode->Filename;
}
}
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