Annotation of gforth/fi2c.fs, revision 1.16
1.1 pazsan 1: \ Convert image to C include file
2:
1.14 anton 3: \ Copyright (C) 1998,1999,2002,2003 Free Software Foundation, Inc.
1.2 anton 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 2
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, write to the Free Software
1.10 anton 19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.2 anton 20:
1.15 pazsan 21: require string.fs
22:
1.1 pazsan 23: 0 Value image
24: 0 Value bitmap
25:
26: Create magicbuf 8 allot
27:
1.15 pazsan 28: Create groups 32 0 [DO] 512 cells allocate throw dup 512 cells erase , [LOOP]
29:
1.16 ! pazsan 30: \ we define it ans like...
! 31: wordlist Constant target-environment
! 32:
! 33: \ save information of current dictionary to restore with environ>
! 34: Variable env-current
! 35:
! 36: : >ENVIRON get-current env-current ! target-environment set-current ;
! 37: : ENVIRON> 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:
! 52: : kb 1024 * ;
! 53:
! 54: include machpc.fs
! 55: ENVIRON>
! 56:
1.15 pazsan 57: : prefix? ( string u1 prefix u2 -- flag )
58: tuck 2>r umin 2r> str= ;
59:
1.16 ! pazsan 60: s" NULL" groups @ cell+ $!
! 61:
! 62: : scan-ifs ( fd -- ) >r 1
! 63: BEGIN pad $100 r@ read-line throw WHILE
! 64: pad swap
! 65: 2dup s" #ifdef HAS_" prefix? >r
! 66: 2dup s" #else" prefix? >r
! 67: s" #endif" prefix? r> or r> - +
! 68: dup 0= UNTIL THEN rdrop drop ;
! 69:
1.15 pazsan 70: : read-groups ( addr u -- )
1.16 ! pazsan 71: r/o open-file throw >r 0 2
1.15 pazsan 72: BEGIN pad $100 r@ read-line throw WHILE
1.16 ! pazsan 73: pad swap
! 74: 2dup s" #ifdef HAS_" prefix?
! 75: IF
! 76: 11 /string $has? 0= IF r@ scan-ifs THEN
! 77: ELSE 2dup s" #else" prefix?
! 78: IF r@ scan-ifs
! 79: ELSE 2dup s" GROUP(" prefix?
! 80: IF 2drop drop 1+ 0 ELSE
! 81: 2dup s" INST_ADDR(" prefix?
! 82: IF &10 /string 2dup ') scan nip -
! 83: 2over cells swap cells groups + @ + $!
! 84: 1+
! 85: ELSE 2drop THEN THEN THEN THEN
1.15 pazsan 86: REPEAT
87: 2drop r> close-file throw ;
88: s" prim_lab.i" read-groups
89:
1.3 pazsan 90: Variable bswap?
1.15 pazsan 91: Variable endian
1.3 pazsan 92: Variable tchars
1.4 pazsan 93: Variable tcell
1.7 pazsan 94: Variable au
1.3 pazsan 95:
1.15 pazsan 96: : t@ ( addr -- x )
97: endian @ IF
98: 0 swap tcell @ bounds ?DO
99: 8 lshift I c@ or
100: LOOP
101: ELSE
102: 0 swap tcell @ bounds ?DO
103: 8 rshift I c@ 8 tcell @ 1- * lshift or
104: LOOP
105: THEN
106: dup 1 8 tcell @ * 1- lshift and negate or ;
107:
108: 1 cells 4 = [IF]
1.3 pazsan 109: : bswap ( n -- n' ) bswap? @ 0= ?EXIT 0
110: over 24 rshift $FF and or
111: over 8 rshift $FF00 and or
112: over 8 lshift $FF0000 and or
113: over 24 lshift $FF000000 and or nip ;
1.15 pazsan 114: [THEN]
115:
116: 1 cells 8 = [IF]
117: : bswap ( n -- n' ) bswap? @ 0= ?EXIT 0
118: over 56 rshift $FF and or
119: over 40 rshift $FF00 and or
120: over 24 rshift $FF0000 and or
121: over 8 rshift $FF000000 and or
122: over 8 lshift $FF00000000 and or
123: over 24 lshift $FF0000000000 and or
124: over 40 lshift $FF000000000000 and or
125: over 56 lshift $FF00000000000000 and or
126: nip ;
127: [THEN]
1.3 pazsan 128:
1.1 pazsan 129: : search-magic ( fd -- ) >r
130: BEGIN magicbuf 8 r@ read-file throw 8 = WHILE
1.15 pazsan 131: magicbuf s" Gforth3" tuck str= UNTIL
1.1 pazsan 132: ELSE true abort" No magic found" THEN
1.6 pazsan 133: 1 magicbuf 7 + c@ 5 rshift 3 and lshift tchars !
134: 1 magicbuf 7 + c@ 1 rshift 3 and lshift tcell !
1.7 pazsan 135: 1 magicbuf 7 + c@ 3 rshift 3 and lshift au !
1.15 pazsan 136: magicbuf 7 + c@ 1 and 0= dup endian !
1.6 pazsan 137: [ pad off 1 pad ! pad c@ 1 = ] Literal = bswap? !
1.7 pazsan 138: ." /* Image with " tcell @ . ." bytes cell, " tchars @ . ." bytes per char and " au @ . ." bytes per address unit */" cr
1.1 pazsan 139: rdrop ;
140:
141: Create image-header 4 cells allot
142: Variable image-cells
143: Variable bitmap-chars
144:
145: : read-header ( fd -- )
1.15 pazsan 146: image-header 4 tcell @ * rot read-file throw drop
147: image-header 2 tcell @ * + t@ tchars @ * tcell @ / au @ /
1.8 pazsan 148: dup image-cells ! 1- 8 / tchars @ / 1+ bitmap-chars !
1.15 pazsan 149: image-cells @ tcell @ * allocate throw to image
1.1 pazsan 150: bitmap-chars @ allocate throw to bitmap ;
151:
152: : read-dictionary ( fd -- ) >r
1.15 pazsan 153: image image-cells @ tcell @ * r> read-file throw drop ;
1.1 pazsan 154:
155: : read-bitmap ( fd -- ) >r
1.8 pazsan 156: bitmap bitmap-chars @ tchars @ * r> read-file throw drop ;
1.1 pazsan 157:
1.4 pazsan 158: : .08x ( n -- ) 0 <# tcell @ 0 ?DO # # LOOP 'x hold '0 hold #> type ;
159: : .02x ( n -- ) 0 <# tchars @ 0 ?DO # # LOOP 'x hold '0 hold #> type ;
1.1 pazsan 160:
1.15 pazsan 161: : bit@ ( addr n -- flag )
162: dup 7 and $80 swap rshift >r 3 rshift + c@ r> and
163: 0<> ;
164:
1.1 pazsan 165: : .image ( -- )
166: image-cells @ 0 ?DO
1.15 pazsan 167: I 1 + I' min I ?DO space image I tcell @ * + t@
168: bitmap I bit@ IF
169: dup 0< IF
1.16 ! pazsan 170: dup -1 = IF
! 171: drop ." NULL"
! 172: ELSE
! 173: negate dup $3E00 and 9 rshift swap $1FF and
! 174: over cells groups + @ over $1FF and cells +
! 175: dup @ 0= IF drop
! 176: 2dup 0 8 d= IF 2drop s" doesjump"
! 177: ELSE
! 178: <# '] hold 0 #S 2drop '[ hold '] hold
! 179: 0 #S '[ hold #>
! 180: THEN
1.15 pazsan 181: ELSE
1.16 ! pazsan 182: >r 2drop r> $@
1.15 pazsan 183: THEN
1.16 ! pazsan 184: ." INST_ADDR(" type ." )"
1.15 pazsan 185: THEN
186: ELSE
1.16 ! pazsan 187: dup IF ." ((void*)image)+" THEN .08x
1.15 pazsan 188: THEN
189: ELSE
1.16 ! pazsan 190: ." (void*)" .08x
1.15 pazsan 191: THEN ." ,"
192: LOOP cr
193: 1 +LOOP ;
1.1 pazsan 194:
195: : .reloc ( -- )
1.8 pazsan 196: bitmap-chars @ tchars @ * 0 ?DO
1.4 pazsan 197: I $10 + I' min I ?DO space
198: 0 I tchars @ bounds ?DO 8 lshift bitmap I + c@ + LOOP
199: .02x ." ," tchars @ +LOOP cr
200: $10 +LOOP ;
1.1 pazsan 201:
202: : read-image ( addr u -- )
203: r/o bin open-file throw >r
204: r@ search-magic
205: r@ file-position throw r@ read-header r@ reposition-file throw
206: r@ read-dictionary r@ read-bitmap r> close-file throw ;
207:
208: : .imagesize ( -- )
1.15 pazsan 209: image-header 3 tcell @ * + t@ tchars @ * tcell @ / au @ / .08x ;
1.1 pazsan 210:
211: : .relocsize ( -- )
1.8 pazsan 212: bitmap-chars @ .08x ;
1.1 pazsan 213:
214: : fi2c ( addr u -- ) base @ >r hex
215: read-image
1.16 ! pazsan 216: ." static const void* image[" .imagesize ." ] = {" cr .image ." };" cr
! 217: ." #ifdef USE_RELOC" cr
1.1 pazsan 218: ." const char reloc_bits[" .relocsize ." ] = {" cr .reloc ." };" cr
1.16 ! pazsan 219: ." #endif" cr
1.1 pazsan 220: r> base ! ;
221:
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