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2145 | kebrt | 1 | #! /bin/sh |
2 | |||
3 | # |
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2412 | kebrt | 4 | # Copyright (C) 2007 Michal Kebrt |
2145 | kebrt | 5 | # All rights reserved. |
6 | # |
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7 | # Redistribution and use in source and binary forms, with or without |
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8 | # modification, are permitted provided that the following conditions |
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9 | # are met: |
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10 | # |
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11 | # - Redistributions of source code must retain the above copyright |
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12 | # notice, this list of conditions and the following disclaimer. |
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13 | # - Redistributions in binary form must reproduce the above copyright |
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14 | # notice, this list of conditions and the following disclaimer in the |
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15 | # documentation and/or other materials provided with the distribution. |
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16 | # - The name of the author may not be used to endorse or promote products |
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17 | # derived from this software without specific prior written permission. |
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18 | # |
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19 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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20 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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21 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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22 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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23 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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24 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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25 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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26 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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27 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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28 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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29 | # |
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30 | |||
31 | |||
32 | OBJCOPY="$1" |
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33 | LINK="_link.ld" |
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34 | HEADER="_components.h" |
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35 | |||
36 | shift 1 |
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37 | |||
38 | echo "OUTPUT_FORMAT(\"elf32-littlearm\") |
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39 | |||
40 | ENTRY(start) |
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41 | |||
42 | SECTIONS { |
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43 | .boot 0x0: AT (0) { |
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44 | *(BOOTSTRAP); |
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45 | *(.text); |
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46 | |||
47 | *(.rodata); |
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48 | *(.rodata.*); |
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49 | *(.data); /* initialized data */ |
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50 | *(.sdata); |
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51 | *(.sdata2); |
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52 | *(.sbss); |
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53 | *(.scommon); |
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54 | *(.bss); /* uninitialized static variables */ |
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55 | *(COMMON); /* global variables */ |
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2198 | jancik | 56 | *(.reginfo); |
2145 | kebrt | 57 | |
2352 | kebrt | 58 | . = 0x4000; |
59 | *(PT); /* page table placed at 0x4000 */" > "$LINK" |
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2198 | jancik | 60 | |
2349 | kebrt | 61 | echo ' |
62 | /** @addtogroup arm32boot |
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63 | * @{ |
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64 | */ |
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65 | /** @file |
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66 | * @brief Components (kernel + tasks) related declarations. |
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67 | * |
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68 | * Generated by the <code>pack</code> script. This script packs all the |
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69 | * components (kernel + tasks) into one image (image.boot) and generates |
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70 | * a code that initializes an array of #component_t structs. |
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71 | */ |
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72 | |||
73 | #ifndef ___COMPONENTS_H__ |
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2145 | kebrt | 74 | #define ___COMPONENTS_H__ |
75 | |||
2349 | kebrt | 76 | /** Holds information about components packed to one image (kernel + tasks). */ |
2145 | kebrt | 77 | typedef struct { |
2349 | kebrt | 78 | /** Name. */ |
2145 | kebrt | 79 | char *name; |
2349 | kebrt | 80 | /** Start address. */ |
2145 | kebrt | 81 | void *start; |
2349 | kebrt | 82 | /** End address. */ |
2145 | kebrt | 83 | void *end; |
2349 | kebrt | 84 | /** Size (in bytes). */ |
2145 | kebrt | 85 | unsigned int size; |
2349 | kebrt | 86 | } component_t; |
2145 | kebrt | 87 | |
2349 | kebrt | 88 | /** @} |
89 | */ |
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90 | |||
91 | ' > "$HEADER" |
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92 | |||
2145 | kebrt | 93 | COUNT="0" |
94 | DATA="" |
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95 | |||
96 | for TASK in "$@" ; do |
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97 | BASENAME="`basename "$TASK" | sed 's/^\(.*\)\.[^.]*$/\1/'`" |
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98 | OBJECT="${BASENAME}.o" |
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99 | SYMBOL="`echo "_binary_$TASK" | tr "./" "__"`" |
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100 | MACRO="`echo "$BASENAME" | tr [:lower:] [:upper:]`" |
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101 | echo "$TASK -> $OBJECT" |
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102 | |||
103 | echo " |
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104 | . = ALIGN(4096); |
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105 | *(.${BASENAME}_image);" >> "$LINK" |
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106 | |||
107 | echo " |
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108 | extern int ${SYMBOL}_start; |
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109 | extern int ${SYMBOL}_end; |
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110 | |||
111 | #define ${MACRO}_START ((void *) &${SYMBOL}_start) |
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112 | #define ${MACRO}_END ((void *) &${SYMBOL}_end) |
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113 | #define ${MACRO}_SIZE ((unsigned int) ${MACRO}_END - (unsigned int) ${MACRO}_START)" >> "$HEADER" |
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114 | |||
115 | "$OBJCOPY" -I binary -O elf32-littlearm -B arm --rename-section ".data=.${BASENAME}_image" "$TASK" "$OBJECT" |
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116 | |||
117 | DATA="${DATA} |
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118 | components[$COUNT].name = \"${BASENAME}\"; |
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119 | components[$COUNT].start = ${MACRO}_START; |
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120 | components[$COUNT].end = ${MACRO}_END; |
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121 | components[$COUNT].size = ${MACRO}_SIZE;"; |
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122 | COUNT="`expr "$COUNT" + 1`" |
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123 | done |
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124 | |||
125 | echo ' } |
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126 | }' >> "$LINK" |
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127 | |||
128 | echo " |
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129 | #define COMPONENTS $COUNT |
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130 | |||
2409 | kebrt | 131 | /** Initializes array of components. */ |
2145 | kebrt | 132 | static void init_components(component_t components[]) |
133 | { |
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134 | $DATA |
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135 | } |
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136 | |||
137 | #endif |
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2349 | kebrt | 138 | |
2145 | kebrt | 139 | " >> "$HEADER" |