FreeBSD/Linux Kernel Cross Reference
sys/tools/acpi_quirks2h.awk

     #!/usr/bin/awk -f
     #
     # $FreeBSD: releng/5.3/sys/tools/acpi_quirks2h.awk 131311 2004-06-30 04:40:20Z njl $
     #
     # Copyright (c) 2004 Mark Santcroos <marks@ripe.net>
     # 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.
    # 2. Redistributions in binary form must reproduce the above copyright
    #    notice, this list of conditions and the following disclaimer in the
    #    documentation and/or other materials provided with the distribution.
    #
    # THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
    #
    
    BEGIN {
            OUTPUT="acpi_quirks.h"
    }
    
    # Print header and id
    NR == 1 {
            VERSION = $0;
            gsub("\^# ", "", VERSION)
            gsub("\\$", "", VERSION)
    
            printf("/*\n") > OUTPUT;
            printf(" * THIS FILE IS AUTOMAGICALLY GENERATED.  DO NOT EDIT.\n") \
                > OUTPUT;
            printf(" *\n") > OUTPUT;
            printf(" * Generated from:\n") > OUTPUT;
            printf(" * %s\n", VERSION) > OUTPUT;
            printf(" */\n\n") > OUTPUT;
    }
    
    # Ignore comments and empty lines
    /^#/, NF == 0 {
    }
    
    #
    # NAME field: this is the first line of every entry
    #
    $1 == "name:" {
            ENTRY_NAME = $2;
            printf("const struct acpi_q_rule %s[] = {\n", ENTRY_NAME) > OUTPUT;
    }
    
    #
    # OEM field
    #
    $1 == "oem:" {
            LENGTH = length();
    
            # Parse table type to match
            TABLE = $2;
    
            # Parse OEM ID
            M = match ($0, /\"[^\"]*\"/);
            OEM_ID = substr($0, M, RLENGTH);
    
            # Parse OEM Table ID
            ANCHOR = LENGTH - (M + RLENGTH - 1);
            REMAINDER = substr($0, M + RLENGTH, ANCHOR);
            M = match (REMAINDER, /\"[^\"]*\"/);
            OEM_TABLE_ID = substr(REMAINDER, M, RLENGTH);
    
            printf("\t{ ACPI_TABLE_%s, OEM, {%s}, {%s} },\n",
                TABLE, OEM_ID, OEM_TABLE_ID) > OUTPUT;
    }
    
    #
    # CREATOR field
    #
    $1 == "creator:" {
            # Parse table type to match
            TABLE = $2;
    
            M = match ($0, /\"[^\"]*\"/);
            CREATOR = substr($0, M, RLENGTH);
    
            printf("\t{ ACPI_TABLE_%s, CREATOR, {%s} },\n",
                TABLE, CREATOR) > OUTPUT;
    }
    
    #
    # OEM REVISION field
   #
   $1 == "oem_rev:" {
           TABLE = $2;
           SIGN = $3;
           VALUE = $4;
   
           # Parse operand
           OPERAND = trans_sign(SIGN);
   
           printf("\t{ ACPI_TABLE_%s, OEM_REV, {.op = %s}, {.rev = %s} },\n",
               TABLE, OPERAND, VALUE) > OUTPUT;
   }
   
   #
   # CREATOR REVISION field
   #
   $1 == "creator_rev:" {
           TABLE = $2;
           SIGN = $3;
           VALUE = $4;
   
           # Parse operand
           OPERAND = trans_sign(SIGN);
   
           printf("\t{ ACPI_TABLE_%s, CREATOR_REV, {.op = %s}, {.rev = %s} },\n",
               TABLE, OPERAND, VALUE) > OUTPUT;
   }
   
   #
   # QUIRKS field: This is the last line of every entry
   #
   $1 == "quirks:" {
           printf("\t{ ACPI_TABLE_END }\n};\n\n") > OUTPUT;
   
           QUIRKS = $0;
           sub(/^quirks:[ ]*/ , "", QUIRKS);
   
           QUIRK_COUNT++;
           QUIRK_LIST[QUIRK_COUNT] = QUIRKS;
           QUIRK_NAME[QUIRK_COUNT] = ENTRY_NAME;
   }
   
   #
   # All information is gathered, now create acpi_quirks_table
   #
   END {
           # Header
           printf("const struct acpi_q_entry acpi_quirks_table[] = {\n") \
               > OUTPUT;
   
           # Array of all quirks
           for (i = 1; i <= QUIRK_COUNT; i++) {
                   printf("\t{ %s, %s },\n", QUIRK_NAME[i], QUIRK_LIST[i]) \
                       > OUTPUT;
           }
   
           # Footer
           printf("\t{ NULL, 0 }\n") > OUTPUT;
           printf("};\n") > OUTPUT;
   
           exit(0);
   }
   
   #
   # Translate math SIGN into verbal OPERAND
   #
   function trans_sign(TMP_SIGN)
   {
           if (TMP_SIGN == "=")
                   TMP_OPERAND = "OP_EQL";
           else if (TMP_SIGN == "!=")
                   TMP_OPERAND = "OP_NEQ";
           else if (TMP_SIGN == "<=")
                   TMP_OPERAND = "OP_LEQ";
           else if (TMP_SIGN == ">=")
                   TMP_OPERAND = "OP_GEQ";
           else if (TMP_SIGN == ">")
                   TMP_OPERAND = "OP_GTR";
           else if (TMP_SIGN == "<")
                   TMP_OPERAND = "OP_LES";
           else {
                   printf("error: unknown sign: " TMP_SIGN "\n");
                   exit(1);
           }
   
           return (TMP_OPERAND);
   }

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