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    Annotation of /trunk/mkinitrd-magellan/isolinux/syslinux.ld

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    Revision 1133 - (hide annotations) (download)
    Thu Aug 19 09:50:43 2010 UTC (13 years, 8 months ago) by niro
    File size: 3181 byte(s) 
    -updated to isolinux-3.86
    1 niro 1133 /* -----------------------------------------------------------------------
    2     *
    3     * Copyright 2008-2009 H. Peter Anvin - All Rights Reserved
    4     * Copyright 2009 Intel Corporation; author: H. Peter Anvin
    5     *
    6     * This program is free software; you can redistribute it and/or modify
    7     * it under the terms of the GNU General Public License as published by
    8     * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
    9     * Boston MA 02110-1301, USA; either version 2 of the License, or
    10     * (at your option) any later version; incorporated herein by reference.
    11     *
    12     * ----------------------------------------------------------------------- */
    13    
    14     /*
    15     * Linker script for the SYSLINUX core
    16     */
    17    
    18     OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
    19     OUTPUT_ARCH(i386)
    20     EXTERN(_start)
    21     ENTRY(_start)
    22    
    23     SECTIONS
    24     {
    25     /* "Early" sections (before the load) */
    26     . = 0x0800;
    27    
    28     .earlybss : {
    29     __earlybss_start = .;
    30     *(.earlybss)
    31     __earlybss_end = .;
    32     }
    33     __earlybss_len = __earlybss_end - __earlybss_start;
    34     __earlybss_dwords = (__earlybss_len + 3) >> 2;
    35    
    36     .bss : {
    37     __bss_start = .;
    38     *(.bss)
    39     *(.bss2)
    40     __bss_end = .;
    41     }
    42     __bss_len = __bss_end - __bss_start;
    43     __bss_dwords = (__bss_len + 3) >> 2;
    44    
    45     .config : AT (__config_lma) {
    46     __config_start = .;
    47     *(.config)
    48     __config_end = .;
    49     }
    50     __config_len = __config_end - __config_start;
    51     __config_dwords = (__config_len + 3) >> 2;
    52    
    53     . = ALIGN(16);
    54     .replacestub : AT (__replacestub_lma) {
    55     __replacestub_start = .;
    56     *(.replacestub)
    57     __replacestub_end = .;
    58     }
    59     __replacestub_len = __replacestub_end - __replacestub_start;
    60     __replacestub_dwords = (__replacestub_len + 3) >> 2;
    61    
    62     /* Stack */
    63    
    64     . = STACK_BASE;
    65     .stack : AT(STACK_BASE) {
    66     __stack_start = .;
    67     . += STACK_LEN;
    68     __stack_end = .;
    69     }
    70     __stack_len = __stack_end - __stack_start;
    71     __stack_dwords = (__stack_len + 3) >> 2;
    72    
    73     /* Initialized sections */
    74    
    75     . = 0x7c00;
    76     .text : {
    77     FILL(0x90909090)
    78     __text_start = .;
    79     *(.text)
    80     __text_end = .;
    81     }
    82     __text_len = __text_end - __text_start;
    83     __text_dwords = (__text_len + 3) >> 2;
    84    
    85     . = ALIGN(16);
    86     .bcopyxx : {
    87     FILL(0x90909090)
    88     __bcopyxx_start = .;
    89     *(.bcopyxx)
    90     __bcopyxx_end = .;
    91     }
    92     __bcopyxx_len = __bcopyxx_end - __bcopyxx_start;
    93     __bcopyxx_dwords = (__bcopyxx_len + 3) >> 2;
    94    
    95     . = ALIGN(4);
    96     .data : {
    97     __data_start = .;
    98     *(.data)
    99     __data_end = .;
    100     }
    101     __data_len = __data_end - __data_start;
    102     __data_dwords = (__data_len + 3) >> 2;
    103    
    104     . = ALIGN(4);
    105     __config_lma = .;
    106     . += SIZEOF(.config);
    107    
    108     . = ALIGN(4);
    109     __replacestub_lma = .;
    110     . += SIZEOF(.replacestub);
    111    
    112     /* ADV, must be the last intialized section */
    113    
    114     . = ALIGN(512);
    115     .adv : {
    116     __adv_start = .;
    117     *(.adv)
    118     __adv_end = .;
    119     }
    120     __adv_len = __adv_end - __adv_start;
    121     __adv_dwords = (__adv_len + 3) >> 2;
    122    
    123     /* Late uninitialized sections */
    124    
    125     .uibss : {
    126     __uibss_start = .;
    127     *(.uibss)
    128     __uibss_end = .;
    129     }
    130     __uibss_len = __uibss_end - __uibss_start;
    131     __uibss_dwords = (__uibss_len + 3) >> 2;
    132    
    133     .bss1 : {
    134     __bss1_start = .;
    135     *(.bss1)
    136     __bss1_end = .;
    137     }
    138     __bss1_len = __bss1_end - __bss1_start;
    139     __bss1_dwords = (__bss1_len + 3) >> 2;
    140    
    141     . = ASSERT(__bss1_end <= 0x10000, "64K overflow");
    142    
    143     . = 0x100000;
    144     .com32 : {
    145     *(.com32)
    146     }
    147     }