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

820 lines
25 KiB
C

/******************************************************************************
*
* Module Name: asllistsup - Listing file support utilities
*
*****************************************************************************/
/******************************************************************************
*
* 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 "aslcompiler.y.h"
#define _COMPONENT ACPI_COMPILER
ACPI_MODULE_NAME ("aslistsup")
/*******************************************************************************
*
* FUNCTION: LsDumpAscii
*
* PARAMETERS: FileId - ID of current listing file
* Count - Number of bytes to convert
* Buffer - Buffer of bytes to convert
*
* RETURN: None
*
* DESCRIPTION: Convert hex bytes to ascii
*
******************************************************************************/
void
LsDumpAscii (
UINT32 FileId,
UINT32 Count,
UINT8 *Buffer)
{
UINT8 BufChar;
UINT32 i;
FlPrintFile (FileId, " \"");
for (i = 0; i < Count; i++)
{
BufChar = Buffer[i];
if (isprint (BufChar))
{
FlPrintFile (FileId, "%c", BufChar);
}
else
{
/* Not a printable character, just put out a dot */
FlPrintFile (FileId, ".");
}
}
FlPrintFile (FileId, "\"");
}
/*******************************************************************************
*
* FUNCTION: LsDumpAsciiInComment
*
* PARAMETERS: FileId - ID of current listing file
* Count - Number of bytes to convert
* Buffer - Buffer of bytes to convert
*
* RETURN: None
*
* DESCRIPTION: Convert hex bytes to ascii
*
******************************************************************************/
void
LsDumpAsciiInComment (
UINT32 FileId,
UINT32 Count,
UINT8 *Buffer)
{
UINT8 BufChar = 0;
UINT8 LastChar;
UINT32 i;
FlPrintFile (FileId, " \"");
for (i = 0; i < Count; i++)
{
LastChar = BufChar;
BufChar = Buffer[i];
if (isprint (BufChar))
{
/* Handle embedded C comment sequences */
if (((LastChar == '*') && (BufChar == '/')) ||
((LastChar == '/') && (BufChar == '*')))
{
/* Insert a space to break the sequence */
FlPrintFile (FileId, " ");
}
FlPrintFile (FileId, "%c", BufChar);
}
else
{
/* Not a printable character, just put out a dot */
FlPrintFile (FileId, ".");
}
}
FlPrintFile (FileId, "\"");
}
/*******************************************************************************
*
* FUNCTION: LsCheckException
*
* PARAMETERS: LineNumber - Current logical (cumulative) line #
* FileId - ID of output listing file
*
* RETURN: None
*
* DESCRIPTION: Check if there is an exception for this line, and if there is,
* put it in the listing immediately. Handles multiple errors
* per line. AslGbl_NextError points to the next error in the
* sorted (by line #) list of compile errors/warnings.
*
******************************************************************************/
void
LsCheckException (
UINT32 LineNumber,
UINT32 FileId)
{
if ((!AslGbl_NextError) ||
(LineNumber < AslGbl_NextError->LogicalLineNumber ))
{
return;
}
/* Handle multiple errors per line */
if (FileId == ASL_FILE_LISTING_OUTPUT)
{
while (AslGbl_NextError &&
(LineNumber >= AslGbl_NextError->LogicalLineNumber))
{
AePrintException (FileId, AslGbl_NextError, "\n[****iasl****]\n");
AslGbl_NextError = AslGbl_NextError->Next;
}
FlPrintFile (FileId, "\n");
}
}
/*******************************************************************************
*
* FUNCTION: LsWriteListingHexBytes
*
* PARAMETERS: Buffer - AML code buffer
* Length - Number of AML bytes to write
* FileId - ID of current listing file.
*
* RETURN: None
*
* DESCRIPTION: Write the contents of the AML buffer to the listing file via
* the listing buffer. The listing buffer is flushed every 16
* AML bytes.
*
******************************************************************************/
void
LsWriteListingHexBytes (
UINT8 *Buffer,
UINT32 Length,
UINT32 FileId)
{
UINT32 i;
/* Transfer all requested bytes */
for (i = 0; i < Length; i++)
{
/* Print line header when buffer is empty */
if (AslGbl_CurrentHexColumn == 0)
{
if (AslGbl_HasIncludeFiles)
{
FlPrintFile (FileId, "%*s", 10, " ");
}
switch (FileId)
{
case ASL_FILE_LISTING_OUTPUT:
FlPrintFile (FileId, "%8.8X%s", AslGbl_CurrentAmlOffset,
ASL_LISTING_LINE_PREFIX);
break;
case ASL_FILE_ASM_SOURCE_OUTPUT:
FlPrintFile (FileId, " db ");
break;
case ASL_FILE_C_SOURCE_OUTPUT:
FlPrintFile (FileId, " ");
break;
default:
/* No other types supported */
return;
}
}
/* Transfer AML byte and update counts */
AslGbl_AmlBuffer[AslGbl_CurrentHexColumn] = Buffer[i];
AslGbl_CurrentHexColumn++;
AslGbl_CurrentAmlOffset++;
/* Flush buffer when it is full */
if (AslGbl_CurrentHexColumn >= HEX_LISTING_LINE_SIZE)
{
LsFlushListingBuffer (FileId);
}
}
}
/*******************************************************************************
*
* FUNCTION: LsWriteSourceLines
*
* PARAMETERS: ToLineNumber -
* ToLogicalLineNumber - Write up to this source line number
* FileId - ID of current listing file
*
* RETURN: None
*
* DESCRIPTION: Read then write source lines to the listing file until we have
* reached the specified logical (cumulative) line number. This
* automatically echos out comment blocks and other non-AML
* generating text until we get to the actual AML-generating line
* of ASL code specified by the logical line number.
*
******************************************************************************/
void
LsWriteSourceLines (
UINT32 ToLineNumber,
UINT32 ToLogicalLineNumber,
UINT32 FileId)
{
/* Nothing to do for these file types */
if ((FileId == ASL_FILE_ASM_INCLUDE_OUTPUT) ||
(FileId == ASL_FILE_C_INCLUDE_OUTPUT))
{
return;
}
AslGbl_CurrentLine = ToLogicalLineNumber;
/* Flush any hex bytes remaining from the last opcode */
LsFlushListingBuffer (FileId);
/* Read lines and write them as long as we are not caught up */
if (AslGbl_SourceLine < AslGbl_CurrentLine)
{
/*
* If we just completed writing some AML hex bytes, output a linefeed
* to add some whitespace for readability.
*/
if (AslGbl_HexBytesWereWritten)
{
FlPrintFile (FileId, "\n");
AslGbl_HexBytesWereWritten = FALSE;
}
if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
{
FlPrintFile (FileId, " /*\n");
}
/* Write one line at a time until we have reached the target line # */
while ((AslGbl_SourceLine < AslGbl_CurrentLine) &&
LsWriteOneSourceLine (FileId))
{ ; }
if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
{
FlPrintFile (FileId, " */");
}
FlPrintFile (FileId, "\n");
}
}
/*******************************************************************************
*
* FUNCTION: LsWriteOneSourceLine
*
* PARAMETERS: FileId - ID of current listing file
*
* RETURN: FALSE on EOF (input source file), TRUE otherwise
*
* DESCRIPTION: Read one line from the input source file and echo it to the
* listing file, prefixed with the line number, and if the source
* file contains include files, prefixed with the current filename
*
******************************************************************************/
UINT32
LsWriteOneSourceLine (
UINT32 FileId)
{
UINT8 FileByte;
UINT32 Column = 0;
UINT32 Index = 16;
BOOLEAN StartOfLine = FALSE;
BOOLEAN ProcessLongLine = FALSE;
AslGbl_SourceLine++;
AslGbl_ListingNode->LineNumber++;
/* Ignore lines that are completely blank (but count the line above) */
if (FlReadFile (ASL_FILE_SOURCE_OUTPUT, &FileByte, 1) != AE_OK)
{
return (0);
}
if (FileByte == '\n')
{
return (1);
}
/*
* This is a non-empty line, we will print the entire line with
* the line number and possibly other prefixes and transforms.
*/
/* Line prefixes for special files, C and ASM output */
if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
{
FlPrintFile (FileId, " *");
}
if (FileId == ASL_FILE_ASM_SOURCE_OUTPUT)
{
FlPrintFile (FileId, "; ");
}
if (AslGbl_HasIncludeFiles)
{
/*
* This file contains "include" statements, print the current
* filename and line number within the current file
*/
FlPrintFile (FileId, "%12s %5d%s",
AslGbl_ListingNode->Filename, AslGbl_ListingNode->LineNumber,
ASL_LISTING_LINE_PREFIX);
}
else
{
/* No include files, just print the line number */
FlPrintFile (FileId, "%8u%s", AslGbl_SourceLine,
ASL_LISTING_LINE_PREFIX);
}
/* Read the rest of this line (up to a newline or EOF) */
do
{
if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
{
if (FileByte == '/')
{
FileByte = '*';
}
}
/* Split long input lines for readability in the listing */
Column++;
if (Column >= 128)
{
if (!ProcessLongLine)
{
if ((FileByte != '}') &&
(FileByte != '{'))
{
goto WriteByte;
}
ProcessLongLine = TRUE;
}
if (FileByte == '{')
{
FlPrintFile (FileId, "\n%*s{\n", Index, " ");
StartOfLine = TRUE;
Index += 4;
continue;
}
else if (FileByte == '}')
{
if (!StartOfLine)
{
FlPrintFile (FileId, "\n");
}
StartOfLine = TRUE;
Index -= 4;
FlPrintFile (FileId, "%*s}\n", Index, " ");
continue;
}
/* Ignore spaces/tabs at the start of line */
else if ((FileByte == ' ') && StartOfLine)
{
continue;
}
else if (StartOfLine)
{
StartOfLine = FALSE;
FlPrintFile (FileId, "%*s", Index, " ");
}
WriteByte:
FlWriteFile (FileId, &FileByte, 1);
if (FileByte == '\n')
{
/*
* This line has been completed.
* Check if an error occurred on this source line during the compile.
* If so, we print the error message after the source line.
*/
LsCheckException (AslGbl_SourceLine, FileId);
return (1);
}
}
else
{
FlWriteFile (FileId, &FileByte, 1);
if (FileByte == '\n')
{
/*
* This line has been completed.
* Check if an error occurred on this source line during the compile.
* If so, we print the error message after the source line.
*/
LsCheckException (AslGbl_SourceLine, FileId);
return (1);
}
}
} while (FlReadFile (ASL_FILE_SOURCE_OUTPUT, &FileByte, 1) == AE_OK);
/* EOF on the input file was reached */
return (0);
}
/*******************************************************************************
*
* FUNCTION: LsFlushListingBuffer
*
* PARAMETERS: FileId - ID of the listing file
*
* RETURN: None
*
* DESCRIPTION: Flush out the current contents of the 16-byte hex AML code
* buffer. Usually called at the termination of a single line
* of source code or when the buffer is full.
*
******************************************************************************/
void
LsFlushListingBuffer (
UINT32 FileId)
{
UINT32 i;
if (AslGbl_CurrentHexColumn == 0)
{
return;
}
/* Write the hex bytes */
switch (FileId)
{
case ASL_FILE_LISTING_OUTPUT:
for (i = 0; i < AslGbl_CurrentHexColumn; i++)
{
FlPrintFile (FileId, "%2.2X ", AslGbl_AmlBuffer[i]);
}
for (i = 0; i < ((HEX_LISTING_LINE_SIZE - AslGbl_CurrentHexColumn) * 3); i++)
{
FlWriteFile (FileId, ".", 1);
}
/* Write the ASCII character associated with each of the bytes */
LsDumpAscii (FileId, AslGbl_CurrentHexColumn, AslGbl_AmlBuffer);
break;
case ASL_FILE_ASM_SOURCE_OUTPUT:
for (i = 0; i < AslGbl_CurrentHexColumn; i++)
{
if (i > 0)
{
FlPrintFile (FileId, ",");
}
FlPrintFile (FileId, "0%2.2Xh", AslGbl_AmlBuffer[i]);
}
for (i = 0; i < ((HEX_LISTING_LINE_SIZE - AslGbl_CurrentHexColumn) * 5); i++)
{
FlWriteFile (FileId, " ", 1);
}
FlPrintFile (FileId, " ;%8.8X",
AslGbl_CurrentAmlOffset - HEX_LISTING_LINE_SIZE);
/* Write the ASCII character associated with each of the bytes */
LsDumpAscii (FileId, AslGbl_CurrentHexColumn, AslGbl_AmlBuffer);
break;
case ASL_FILE_C_SOURCE_OUTPUT:
for (i = 0; i < AslGbl_CurrentHexColumn; i++)
{
FlPrintFile (FileId, "0x%2.2X,", AslGbl_AmlBuffer[i]);
}
/* Pad hex output with spaces if line is shorter than max line size */
for (i = 0; i < ((HEX_LISTING_LINE_SIZE - AslGbl_CurrentHexColumn) * 5); i++)
{
FlWriteFile (FileId, " ", 1);
}
/* AML offset for the start of the line */
FlPrintFile (FileId, " /* %8.8X",
AslGbl_CurrentAmlOffset - AslGbl_CurrentHexColumn);
/* Write the ASCII character associated with each of the bytes */
LsDumpAsciiInComment (FileId, AslGbl_CurrentHexColumn, AslGbl_AmlBuffer);
FlPrintFile (FileId, " */");
break;
default:
/* No other types supported */
return;
}
FlPrintFile (FileId, "\n");
AslGbl_CurrentHexColumn = 0;
AslGbl_HexBytesWereWritten = TRUE;
}
/*******************************************************************************
*
* FUNCTION: LsPushNode
*
* PARAMETERS: Filename - Pointer to the include filename
*
* RETURN: None
*
* DESCRIPTION: Push a listing node on the listing/include file stack. This
* stack enables tracking of include files (infinitely nested)
* and resumption of the listing of the parent file when the
* include file is finished.
*
******************************************************************************/
void
LsPushNode (
char *Filename)
{
ASL_LISTING_NODE *Lnode;
/* Create a new node */
Lnode = UtLocalCalloc (sizeof (ASL_LISTING_NODE));
/* Initialize */
Lnode->Filename = Filename;
Lnode->LineNumber = 0;
/* Link (push) */
Lnode->Next = AslGbl_ListingNode;
AslGbl_ListingNode = Lnode;
}
/*******************************************************************************
*
* FUNCTION: LsPopNode
*
* PARAMETERS: None
*
* RETURN: List head after current head is popped off
*
* DESCRIPTION: Pop the current head of the list, free it, and return the
* next node on the stack (the new current node).
*
******************************************************************************/
ASL_LISTING_NODE *
LsPopNode (
void)
{
ASL_LISTING_NODE *Lnode;
/* Just grab the node at the head of the list */
Lnode = AslGbl_ListingNode;
if ((!Lnode) ||
(!Lnode->Next))
{
AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, NULL,
"Could not pop empty listing stack");
return (AslGbl_ListingNode);
}
AslGbl_ListingNode = Lnode->Next;
ACPI_FREE (Lnode);
/* New "Current" node is the new head */
return (AslGbl_ListingNode);
}