The Design and Implementation of the FreeBSD Operating System, Second Edition
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sys/contrib/dev/acpica/compiler/aslhex.c

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    1 /******************************************************************************
    2  *
    3  * Module Name: aslhex - ASCII hex output file generation (C, ASM, and ASL)
    4  *
    5  *****************************************************************************/
    6 
    7 /******************************************************************************
    8  *
    9  * 1. Copyright Notice
   10  *
   11  * Some or all of this work - Copyright (c) 1999 - 2022, Intel Corp.
   12  * All rights reserved.
   13  *
   14  * 2. License
   15  *
   16  * 2.1. This is your license from Intel Corp. under its intellectual property
   17  * rights. You may have additional license terms from the party that provided
   18  * you this software, covering your right to use that party's intellectual
   19  * property rights.
   20  *
   21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
   22  * copy of the source code appearing in this file ("Covered Code") an
   23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
   24  * base code distributed originally by Intel ("Original Intel Code") to copy,
   25  * make derivatives, distribute, use and display any portion of the Covered
   26  * Code in any form, with the right to sublicense such rights; and
   27  *
   28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
   29  * license (with the right to sublicense), under only those claims of Intel
   30  * patents that are infringed by the Original Intel Code, to make, use, sell,
   31  * offer to sell, and import the Covered Code and derivative works thereof
   32  * solely to the minimum extent necessary to exercise the above copyright
   33  * license, and in no event shall the patent license extend to any additions
   34  * to or modifications of the Original Intel Code. No other license or right
   35  * is granted directly or by implication, estoppel or otherwise;
   36  *
   37  * The above copyright and patent license is granted only if the following
   38  * conditions are met:
   39  *
   40  * 3. Conditions
   41  *
   42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
   43  * Redistribution of source code of any substantial portion of the Covered
   44  * Code or modification with rights to further distribute source must include
   45  * the above Copyright Notice, the above License, this list of Conditions,
   46  * and the following Disclaimer and Export Compliance provision. In addition,
   47  * Licensee must cause all Covered Code to which Licensee contributes to
   48  * contain a file documenting the changes Licensee made to create that Covered
   49  * Code and the date of any change. Licensee must include in that file the
   50  * documentation of any changes made by any predecessor Licensee. Licensee
   51  * must include a prominent statement that the modification is derived,
   52  * directly or indirectly, from Original Intel Code.
   53  *
   54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
   55  * Redistribution of source code of any substantial portion of the Covered
   56  * Code or modification without rights to further distribute source must
   57  * include the following Disclaimer and Export Compliance provision in the
   58  * documentation and/or other materials provided with distribution. In
   59  * addition, Licensee may not authorize further sublicense of source of any
   60  * portion of the Covered Code, and must include terms to the effect that the
   61  * license from Licensee to its licensee is limited to the intellectual
   62  * property embodied in the software Licensee provides to its licensee, and
   63  * not to intellectual property embodied in modifications its licensee may
   64  * make.
   65  *
   66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
   67  * substantial portion of the Covered Code or modification must reproduce the
   68  * above Copyright Notice, and the following Disclaimer and Export Compliance
   69  * provision in the documentation and/or other materials provided with the
   70  * distribution.
   71  *
   72  * 3.4. Intel retains all right, title, and interest in and to the Original
   73  * Intel Code.
   74  *
   75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
   76  * Intel shall be used in advertising or otherwise to promote the sale, use or
   77  * other dealings in products derived from or relating to the Covered Code
   78  * without prior written authorization from Intel.
   79  *
   80  * 4. Disclaimer and Export Compliance
   81  *
   82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
   83  * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
   84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
   85  * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
   86  * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
   87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
   88  * PARTICULAR PURPOSE.
   89  *
   90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
   91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
   92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
   93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
   94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
   95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
   96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
   97  * LIMITED REMEDY.
   98  *
   99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
  100  * software or system incorporating such software without first obtaining any
  101  * required license or other approval from the U. S. Department of Commerce or
  102  * any other agency or department of the United States Government. In the
  103  * event Licensee exports any such software from the United States or
  104  * re-exports any such software from a foreign destination, Licensee shall
  105  * ensure that the distribution and export/re-export of the software is in
  106  * compliance with all laws, regulations, orders, or other restrictions of the
  107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
  108  * any of its subsidiaries will export/re-export any technical data, process,
  109  * software, or service, directly or indirectly, to any country for which the
  110  * United States government or any agency thereof requires an export license,
  111  * other governmental approval, or letter of assurance, without first obtaining
  112  * such license, approval or letter.
  113  *
  114  *****************************************************************************
  115  *
  116  * Alternatively, you may choose to be licensed under the terms of the
  117  * following license:
  118  *
  119  * Redistribution and use in source and binary forms, with or without
  120  * modification, are permitted provided that the following conditions
  121  * are met:
  122  * 1. Redistributions of source code must retain the above copyright
  123  *    notice, this list of conditions, and the following disclaimer,
  124  *    without modification.
  125  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  126  *    substantially similar to the "NO WARRANTY" disclaimer below
  127  *    ("Disclaimer") and any redistribution must be conditioned upon
  128  *    including a substantially similar Disclaimer requirement for further
  129  *    binary redistribution.
  130  * 3. Neither the names of the above-listed copyright holders nor the names
  131  *    of any contributors may be used to endorse or promote products derived
  132  *    from this software without specific prior written permission.
  133  *
  134  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  135  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  136  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  137  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  138  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  139  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  140  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  141  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  142  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  143  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  144  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  145  *
  146  * Alternatively, you may choose to be licensed under the terms of the
  147  * GNU General Public License ("GPL") version 2 as published by the Free
  148  * Software Foundation.
  149  *
  150  *****************************************************************************/
  151 
  152 #include <contrib/dev/acpica/compiler/aslcompiler.h>
  153 #include <contrib/dev/acpica/include/acapps.h>
  154 
  155 #define _COMPONENT          ACPI_COMPILER
  156         ACPI_MODULE_NAME    ("ashex")
  157 
  158 /*
  159  * This module emits ASCII hex output files in either C, ASM, or ASL format
  160  */
  161 
  162 /* Local prototypes */
  163 
  164 static void
  165 HxDoHexOutputC (
  166     void);
  167 
  168 static void
  169 HxDoHexOutputAsl (
  170     void);
  171 
  172 static void
  173 HxDoHexOutputAsm (
  174     void);
  175 
  176 static UINT32
  177 HxReadAmlOutputFile (
  178     UINT8                   *Buffer);
  179 
  180 
  181 /*******************************************************************************
  182  *
  183  * FUNCTION:    HxDoHexOutput
  184  *
  185  * PARAMETERS:  None
  186  *
  187  * RETURN:      None
  188  *
  189  * DESCRIPTION: Create the hex output file. Note: data is obtained by reading
  190  *              the entire AML output file that was previously generated.
  191  *
  192  ******************************************************************************/
  193 
  194 void
  195 HxDoHexOutput (
  196     void)
  197 {
  198 
  199     switch (AslGbl_HexOutputFlag)
  200     {
  201     case HEX_OUTPUT_C:
  202 
  203         HxDoHexOutputC ();
  204         break;
  205 
  206     case HEX_OUTPUT_ASM:
  207 
  208         HxDoHexOutputAsm ();
  209         break;
  210 
  211     case HEX_OUTPUT_ASL:
  212 
  213         HxDoHexOutputAsl ();
  214         break;
  215 
  216     default:
  217 
  218         /* No other output types supported */
  219 
  220         break;
  221     }
  222 }
  223 
  224 
  225 /*******************************************************************************
  226  *
  227  * FUNCTION:    HxReadAmlOutputFile
  228  *
  229  * PARAMETERS:  Buffer              - Where to return data
  230  *
  231  * RETURN:      None
  232  *
  233  * DESCRIPTION: Read a line of the AML output prior to formatting the data
  234  *
  235  ******************************************************************************/
  236 
  237 static UINT32
  238 HxReadAmlOutputFile (
  239     UINT8                   *Buffer)
  240 {
  241     UINT32                  Actual;
  242 
  243 
  244     Actual = fread (Buffer, 1, HEX_TABLE_LINE_SIZE,
  245         AslGbl_Files[ASL_FILE_AML_OUTPUT].Handle);
  246 
  247     if (ferror (AslGbl_Files[ASL_FILE_AML_OUTPUT].Handle))
  248     {
  249         FlFileError (ASL_FILE_AML_OUTPUT, ASL_MSG_READ);
  250         AslAbort ();
  251     }
  252 
  253     return (Actual);
  254 }
  255 
  256 
  257 /*******************************************************************************
  258  *
  259  * FUNCTION:    HxDoHexOutputC
  260  *
  261  * PARAMETERS:  None
  262  *
  263  * RETURN:      None
  264  *
  265  * DESCRIPTION: Create the hex output file. This is the same data as the AML
  266  *              output file, but formatted into hex/ascii bytes suitable for
  267  *              inclusion into a C source file.
  268  *
  269  *              Note: the base name of the hex output file is prepended to
  270  *              all symbols as they are output to the file.
  271  *
  272  ******************************************************************************/
  273 
  274 static void
  275 HxDoHexOutputC (
  276     void)
  277 {
  278     UINT8                   FileData[HEX_TABLE_LINE_SIZE];
  279     UINT32                  LineLength;
  280     UINT32                  Offset = 0;
  281     UINT32                  AmlFileSize;
  282     UINT32                  i;
  283     char                    *FileBasename;
  284 
  285 
  286     /* Obtain the file basename (filename with no extension) */
  287 
  288     FileBasename = FlGetFileBasename (AslGbl_Files [ASL_FILE_HEX_OUTPUT].Filename);
  289 
  290     /* Get AML size, seek back to start */
  291 
  292     AmlFileSize = FlGetFileSize (ASL_FILE_AML_OUTPUT);
  293     FlSeekFile (ASL_FILE_AML_OUTPUT, 0);
  294 
  295     /* Finish the file header and emit the non-data symbols */
  296 
  297     FlPrintFile (ASL_FILE_HEX_OUTPUT, " * C source code output\n");
  298     FlPrintFile (ASL_FILE_HEX_OUTPUT, " * AML code block contains 0x%X bytes\n *\n */\n",
  299         AmlFileSize);
  300 
  301     FlPrintFile (ASL_FILE_HEX_OUTPUT, "#ifndef __%s_HEX__\n", FileBasename);
  302     FlPrintFile (ASL_FILE_HEX_OUTPUT, "#define __%s_HEX__\n\n", FileBasename);
  303 
  304     AcpiUtStrlwr (FileBasename);
  305     FlPrintFile (ASL_FILE_HEX_OUTPUT, "unsigned char %s_aml_code[] =\n{\n", FileBasename);
  306 
  307     while (Offset < AmlFileSize)
  308     {
  309         /* Read enough bytes needed for one output line */
  310 
  311         LineLength = HxReadAmlOutputFile (FileData);
  312         if (!LineLength)
  313         {
  314             break;
  315         }
  316 
  317         FlPrintFile (ASL_FILE_HEX_OUTPUT, "    ");
  318 
  319         for (i = 0; i < LineLength; i++)
  320         {
  321             /*
  322              * Output each hex byte in the form: "0xnn,"
  323              * Add a comma until the very last byte of the AML file
  324              * (Some C compilers complain about a trailing comma)
  325              */
  326             FlPrintFile (ASL_FILE_HEX_OUTPUT, "0x%2.2X", FileData[i]);
  327             if ((Offset + i + 1) < AmlFileSize)
  328             {
  329                 FlPrintFile (ASL_FILE_HEX_OUTPUT, ",");
  330             }
  331             else
  332             {
  333                 FlPrintFile (ASL_FILE_HEX_OUTPUT, " ");
  334             }
  335         }
  336 
  337         /* Add fill spaces if needed for last line */
  338 
  339         if (LineLength < HEX_TABLE_LINE_SIZE)
  340         {
  341             FlPrintFile (ASL_FILE_HEX_OUTPUT, "%*s",
  342                 5 * (HEX_TABLE_LINE_SIZE - LineLength), " ");
  343         }
  344 
  345         /* Emit the offset and ascii dump for the entire line */
  346 
  347         FlPrintFile (ASL_FILE_HEX_OUTPUT, "  /* %8.8X", Offset);
  348         LsDumpAsciiInComment (ASL_FILE_HEX_OUTPUT, LineLength, FileData);
  349 
  350         FlPrintFile (ASL_FILE_HEX_OUTPUT, "%*s*/\n",
  351             HEX_TABLE_LINE_SIZE - LineLength + 1, " ");
  352 
  353         Offset += LineLength;
  354     }
  355 
  356     FlPrintFile (ASL_FILE_HEX_OUTPUT, "};\n\n");
  357     FlPrintFile (ASL_FILE_HEX_OUTPUT, "#endif\n");
  358 }
  359 
  360 
  361 /*******************************************************************************
  362  *
  363  * FUNCTION:    HxDoHexOutputAsl
  364  *
  365  * PARAMETERS:  None
  366  *
  367  * RETURN:      None
  368  *
  369  * DESCRIPTION: Create the hex output file. This is the same data as the AML
  370  *              output file, but formatted into hex/ascii bytes suitable for
  371  *              inclusion into a C source file.
  372  *
  373  ******************************************************************************/
  374 
  375 static void
  376 HxDoHexOutputAsl (
  377     void)
  378 {
  379     UINT8                   FileData[HEX_TABLE_LINE_SIZE];
  380     UINT32                  LineLength;
  381     UINT32                  Offset = 0;
  382     UINT32                  AmlFileSize;
  383     UINT32                  i;
  384 
  385 
  386     /* Get AML size, seek back to start */
  387 
  388     AmlFileSize = FlGetFileSize (ASL_FILE_AML_OUTPUT);
  389     FlSeekFile (ASL_FILE_AML_OUTPUT, 0);
  390 
  391     FlPrintFile (ASL_FILE_HEX_OUTPUT, " * ASL source code output\n");
  392     FlPrintFile (ASL_FILE_HEX_OUTPUT, " * AML code block contains 0x%X bytes\n *\n */\n",
  393         AmlFileSize);
  394     FlPrintFile (ASL_FILE_HEX_OUTPUT, "    Name (BUF1, Buffer()\n    {\n");
  395 
  396     while (Offset < AmlFileSize)
  397     {
  398         /* Read enough bytes needed for one output line */
  399 
  400         LineLength = HxReadAmlOutputFile (FileData);
  401         if (!LineLength)
  402         {
  403             break;
  404         }
  405 
  406         FlPrintFile (ASL_FILE_HEX_OUTPUT, "        ");
  407 
  408         for (i = 0; i < LineLength; i++)
  409         {
  410             /*
  411              * Print each hex byte.
  412              * Add a comma until the very last byte of the AML file
  413              * (Some C compilers complain about a trailing comma)
  414              */
  415             FlPrintFile (ASL_FILE_HEX_OUTPUT, "0x%2.2X", FileData[i]);
  416             if ((Offset + i + 1) < AmlFileSize)
  417             {
  418                 FlPrintFile (ASL_FILE_HEX_OUTPUT, ",");
  419             }
  420             else
  421             {
  422                 FlPrintFile (ASL_FILE_HEX_OUTPUT, " ");
  423             }
  424         }
  425 
  426         /* Add fill spaces if needed for last line */
  427 
  428         if (LineLength < HEX_TABLE_LINE_SIZE)
  429         {
  430             FlPrintFile (ASL_FILE_HEX_OUTPUT, "%*s",
  431                 5 * (HEX_TABLE_LINE_SIZE - LineLength), " ");
  432         }
  433 
  434         /* Emit the offset and ascii dump for the entire line */
  435 
  436         FlPrintFile (ASL_FILE_HEX_OUTPUT, "  /* %8.8X", Offset);
  437         LsDumpAsciiInComment (ASL_FILE_HEX_OUTPUT, LineLength, FileData);
  438 
  439         FlPrintFile (ASL_FILE_HEX_OUTPUT, "%*s*/\n",
  440             HEX_TABLE_LINE_SIZE - LineLength + 1, " ");
  441 
  442         Offset += LineLength;
  443     }
  444 
  445     FlPrintFile (ASL_FILE_HEX_OUTPUT, "    })\n");
  446 }
  447 
  448 
  449 /*******************************************************************************
  450  *
  451  * FUNCTION:    HxDoHexOutputAsm
  452  *
  453  * PARAMETERS:  None
  454  *
  455  * RETURN:      None
  456  *
  457  * DESCRIPTION: Create the hex output file. This is the same data as the AML
  458  *              output file, but formatted into hex/ascii bytes suitable for
  459  *              inclusion into a ASM source file.
  460  *
  461  ******************************************************************************/
  462 
  463 static void
  464 HxDoHexOutputAsm (
  465     void)
  466 {
  467     UINT8                   FileData[HEX_TABLE_LINE_SIZE];
  468     UINT32                  LineLength;
  469     UINT32                  Offset = 0;
  470     UINT32                  AmlFileSize;
  471     UINT32                  i;
  472 
  473 
  474     /* Get AML size, seek back to start */
  475 
  476     AmlFileSize = FlGetFileSize (ASL_FILE_AML_OUTPUT);
  477     FlSeekFile (ASL_FILE_AML_OUTPUT, 0);
  478 
  479     FlPrintFile (ASL_FILE_HEX_OUTPUT, "; Assembly code source output\n");
  480     FlPrintFile (ASL_FILE_HEX_OUTPUT, "; AML code block contains 0x%X bytes\n;\n",
  481         AmlFileSize);
  482 
  483     while (Offset < AmlFileSize)
  484     {
  485         /* Read enough bytes needed for one output line */
  486 
  487         LineLength = HxReadAmlOutputFile (FileData);
  488         if (!LineLength)
  489         {
  490             break;
  491         }
  492 
  493         FlPrintFile (ASL_FILE_HEX_OUTPUT, "  db  ");
  494 
  495         for (i = 0; i < LineLength; i++)
  496         {
  497             /*
  498              * Print each hex byte.
  499              * Add a comma until the last byte of the line
  500              */
  501             FlPrintFile (ASL_FILE_HEX_OUTPUT, "0%2.2Xh", FileData[i]);
  502             if ((i + 1) < LineLength)
  503             {
  504                 FlPrintFile (ASL_FILE_HEX_OUTPUT, ",");
  505             }
  506         }
  507 
  508         FlPrintFile (ASL_FILE_HEX_OUTPUT, " ");
  509 
  510         /* Add fill spaces if needed for last line */
  511 
  512         if (LineLength < HEX_TABLE_LINE_SIZE)
  513         {
  514             FlPrintFile (ASL_FILE_HEX_OUTPUT, "%*s",
  515                 5 * (HEX_TABLE_LINE_SIZE - LineLength), " ");
  516         }
  517 
  518         /* Emit the offset and ascii dump for the entire line */
  519 
  520         FlPrintFile (ASL_FILE_HEX_OUTPUT, "  ; %8.8X", Offset);
  521         LsDumpAsciiInComment (ASL_FILE_HEX_OUTPUT, LineLength, FileData);
  522 
  523         FlPrintFile (ASL_FILE_HEX_OUTPUT, "\n");
  524 
  525         Offset += LineLength;
  526     }
  527 
  528     FlPrintFile (ASL_FILE_HEX_OUTPUT, "\n");
  529 }

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