1\ Convert image to C include file 2 3\ Copyright (C) 1998,1999,2002,2003,2007 Free Software Foundation, Inc. 4 5\ This file is part of Gforth. 6 7\ Gforth is free software; you can redistribute it and/or 8\ modify it under the terms of the GNU General Public License 9\ as published by the Free Software Foundation, either version 3 10\ of the License, or (at your option) any later version. 11 12\ This program is distributed in the hope that it will be useful, 13\ but WITHOUT ANY WARRANTY; without even the implied warranty of 14\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15\ GNU General Public License for more details. 16 17\ You should have received a copy of the GNU General Public License 18\ along with this program. If not, see http://www.gnu.org/licenses/. 19 20require string.fs 21 220 Value image 230 Value bitmap 24 25Create magicbuf 8 allot 26 27Create groups 32 0 [DO] 512 cells allocate throw dup 512 cells erase , [LOOP] 28 29\ we define it ans like... 30wordlist Constant target-environment 31 32\ save information of current dictionary to restore with environ> 33Variable env-current 34 35: >ENVIRON get-current env-current ! target-environment set-current 36 also target-environment context ! ; 37: ENVIRON> previous env-current @ set-current ; 38 39: t-env? ( addr len -- [ x ] true | false ) 40\G returns the content of environment variable and true or 41\G false if not present 42 target-environment search-wordlist 43 IF EXECUTE true ELSE false THEN ; 44 45: $has? ( addr u -- x | false ) 46\G returns the content of environment variable 47\G or false if not present 48 t-env? dup IF drop THEN ; 49 50' Value Alias DefaultValue 51' Value Alias SetValue 52 53: kb 1024 * ; 54 55' noop alias T 56' noop alias H 57 58: has? parse-name 2drop true ; 59 60include machpc.fs 61ENVIRON> 62 63: prefix? ( string u1 prefix u2 -- flag ) 64 tuck 2>r umin 2r> str= ; 65 66s" NULL" groups @ cell+ $! 67 68: scan-ifs ( fd -- ) >r 1 69 BEGIN pad $100 r@ read-line throw WHILE 70 pad swap 71 2dup s" #ifdef HAS_" prefix? >r 72 2dup s" #else" prefix? >r 73 s" #endif" prefix? r> or r> - + 74 dup 0= UNTIL THEN rdrop drop ; 75 76: read-groups ( addr u -- ) 77 r/o open-file throw >r 0 2 78 BEGIN pad $100 r@ read-line throw WHILE 79 pad swap 80 2dup s" #ifdef HAS_" prefix? 81 IF 82 11 /string $has? 0= IF r@ scan-ifs THEN 83 ELSE 2dup s" #else" prefix? 84 IF 2drop r@ scan-ifs 85 ELSE 2dup s" GROUP(" prefix? 86 IF 2drop drop 1+ 0 ELSE 87 2dup s" INST_ADDR(" prefix? 88 IF &10 /string 2dup ') scan nip - 89 2over cells swap cells groups + @ + $! 90 1+ 91 ELSE 2drop THEN THEN THEN THEN 92 REPEAT 93 2drop r> close-file throw ; 94s" prim_lab.i" read-groups 95 96Variable bswap? 97Variable endian 98Variable tchars 99Variable tcell 100Variable au 101 102: t@ ( addr -- x ) 103 endian @ IF 104 0 swap tcell @ bounds ?DO 105 8 lshift I c@ or 106 LOOP 107 ELSE 108 0 swap tcell @ bounds ?DO 109 8 rshift I c@ 8 tcell @ 1- * lshift or 110 LOOP 111 THEN 112 dup 1 8 tcell @ * 1- lshift and negate or ; 113 114: search-magic ( fd -- ) >r 115 BEGIN magicbuf 8 r@ read-file throw 8 = WHILE 116 magicbuf s" Gforth3" tuck str= UNTIL 117 ELSE true abort" No magic found" THEN 118 1 magicbuf 7 + c@ 5 rshift 3 and lshift tchars ! 119 1 magicbuf 7 + c@ 1 rshift 3 and lshift tcell ! 120 1 magicbuf 7 + c@ 3 rshift 3 and lshift au ! 121 magicbuf 7 + c@ 1 and 0= dup endian ! 122 [ pad off 1 pad ! pad c@ 1 = ] Literal = bswap? ! 123 ." /* Image with " tcell @ . ." bytes cell, " tchars @ . ." bytes per char and " au @ . ." bytes per address unit */" cr 124 rdrop ; 125 126Create image-header 4 cells allot 127Variable image-cells 128Variable bitmap-chars 129 130: read-header ( fd -- ) 131 image-header 4 tcell @ * rot read-file throw drop 132 image-header 2 tcell @ * + t@ tchars @ * tcell @ / au @ / 133 dup image-cells ! 1- 8 / tchars @ / 1+ bitmap-chars ! 134 image-cells @ tcell @ * allocate throw to image 135 bitmap-chars @ allocate throw to bitmap ; 136 137: read-dictionary ( fd -- ) >r 138 image image-cells @ tcell @ * r> read-file throw drop ; 139 140: read-bitmap ( fd -- ) >r 141 bitmap bitmap-chars @ tchars @ * r> read-file throw drop ; 142 143: .08x ( n -- ) 0 <# tcell @ 0 ?DO # # LOOP 'x hold '0 hold #> type ; 144: .02x ( n -- ) 0 <# tchars @ 0 ?DO # # LOOP 'x hold '0 hold #> type ; 145 146: bit@ ( addr n -- flag ) 147 dup 7 and $80 swap rshift >r 3 rshift + c@ r> and 148 0<> ; 149 150: .image ( -- ) 151 image-cells @ 0 ?DO 152 I 1 + I' min I ?DO space image I tcell @ * + t@ 153 bitmap I bit@ IF 154 dup 0< IF 155 dup -1 = IF 156 drop ." NULL" 157 ELSE 158 negate dup $3E00 and 9 rshift swap $1FF and 159 over cells groups + @ over $1FF and cells + 160 dup @ 0= IF drop 161 2dup 0 8 d= IF 2drop s" doesjump" 162 ELSE 163 <# '] hold 0 #S 2drop '[ hold '] hold 164 0 #S '[ hold #> 165 THEN 166 ELSE 167 >r 2drop r> $@ 168 THEN 169 ." INST_ADDR(" type ." )" 170 THEN 171 ELSE 172 dup IF ." ((void*)image)+" THEN .08x 173 THEN 174 ELSE 175 ." (void*)" .08x 176 THEN ." ," 177 LOOP cr 178 1 +LOOP ; 179 180: .reloc ( -- ) 181 bitmap-chars @ tchars @ * 0 ?DO 182 I $10 + I' min I ?DO space 183 0 I tchars @ bounds ?DO 8 lshift bitmap I + c@ + LOOP 184 .02x ." ," tchars @ +LOOP cr 185 $10 +LOOP ; 186 187: read-image ( addr u -- ) 188 r/o bin open-file throw >r 189 r@ search-magic 190 r@ file-position throw r@ read-header r@ reposition-file throw 191 r@ read-dictionary r@ read-bitmap r> close-file throw ; 192 193: .imagesize ( -- ) 194 image-header 3 tcell @ * + t@ tchars @ * tcell @ / au @ / .08x ; 195 196: .relocsize ( -- ) 197 bitmap-chars @ .08x ; 198 199: fi2c ( addr u -- ) base @ >r hex 200 read-image 201 \ .\" const static __attribute__ ((__section__ (\".rodata\"))) void* image[" .imagesize ." ] = {" cr .image ." };" cr 202 .\" static void* image[" .imagesize ." ] = {" cr .image ." };" cr 203 ." #ifdef USE_RELOC" cr 204 ." const char reloc_bits[" .relocsize ." ] = {" cr .reloc ." };" cr 205 ." #endif" cr 206 r> base ! ; 207 208