Annotation of gforth/fi2c.fs, revision 1.22
1.1 pazsan 1: \ Convert image to C include file
2:
1.21 anton 3: \ Copyright (C) 1998,1999,2002,2003,2007 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
1.22 ! anton 9: \ as published by the Free Software Foundation, either version 3
1.2 anton 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
1.22 ! anton 18: \ along with this program. If not, see http://www.gnu.org/licenses/.
1.2 anton 19:
1.15 pazsan 20: require string.fs
21:
1.1 pazsan 22: 0 Value image
23: 0 Value bitmap
24:
25: Create magicbuf 8 allot
26:
1.15 pazsan 27: Create groups 32 0 [DO] 512 cells allocate throw dup 512 cells erase , [LOOP]
28:
1.16 pazsan 29: \ we define it ans like...
30: wordlist Constant target-environment
31:
32: \ save information of current dictionary to restore with environ>
33: Variable env-current
34:
1.17 pazsan 35: : >ENVIRON get-current env-current ! target-environment set-current
36: also target-environment context ! ;
37: : ENVIRON> previous env-current @ set-current ;
1.16 pazsan 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
1.18 pazsan 51: ' Value Alias SetValue
1.16 pazsan 52:
53: : kb 1024 * ;
54:
1.18 pazsan 55: ' noop alias T
56: ' noop alias H
57:
58: : has? parse-name 2drop true ;
59:
1.16 pazsan 60: include machpc.fs
61: ENVIRON>
62:
1.15 pazsan 63: : prefix? ( string u1 prefix u2 -- flag )
64: tuck 2>r umin 2r> str= ;
65:
1.16 pazsan 66: s" 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:
1.15 pazsan 76: : read-groups ( addr u -- )
1.16 pazsan 77: r/o open-file throw >r 0 2
1.15 pazsan 78: BEGIN pad $100 r@ read-line throw WHILE
1.16 pazsan 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?
1.19 pazsan 84: IF 2drop r@ scan-ifs
1.16 pazsan 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
1.15 pazsan 92: REPEAT
93: 2drop r> close-file throw ;
94: s" prim_lab.i" read-groups
95:
1.3 pazsan 96: Variable bswap?
1.15 pazsan 97: Variable endian
1.3 pazsan 98: Variable tchars
1.4 pazsan 99: Variable tcell
1.7 pazsan 100: Variable au
1.3 pazsan 101:
1.15 pazsan 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:
1.1 pazsan 114: : search-magic ( fd -- ) >r
115: BEGIN magicbuf 8 r@ read-file throw 8 = WHILE
1.15 pazsan 116: magicbuf s" Gforth3" tuck str= UNTIL
1.1 pazsan 117: ELSE true abort" No magic found" THEN
1.6 pazsan 118: 1 magicbuf 7 + c@ 5 rshift 3 and lshift tchars !
119: 1 magicbuf 7 + c@ 1 rshift 3 and lshift tcell !
1.7 pazsan 120: 1 magicbuf 7 + c@ 3 rshift 3 and lshift au !
1.15 pazsan 121: magicbuf 7 + c@ 1 and 0= dup endian !
1.6 pazsan 122: [ pad off 1 pad ! pad c@ 1 = ] Literal = bswap? !
1.7 pazsan 123: ." /* Image with " tcell @ . ." bytes cell, " tchars @ . ." bytes per char and " au @ . ." bytes per address unit */" cr
1.1 pazsan 124: rdrop ;
125:
126: Create image-header 4 cells allot
127: Variable image-cells
128: Variable bitmap-chars
129:
130: : read-header ( fd -- )
1.15 pazsan 131: image-header 4 tcell @ * rot read-file throw drop
132: image-header 2 tcell @ * + t@ tchars @ * tcell @ / au @ /
1.8 pazsan 133: dup image-cells ! 1- 8 / tchars @ / 1+ bitmap-chars !
1.15 pazsan 134: image-cells @ tcell @ * allocate throw to image
1.1 pazsan 135: bitmap-chars @ allocate throw to bitmap ;
136:
137: : read-dictionary ( fd -- ) >r
1.15 pazsan 138: image image-cells @ tcell @ * r> read-file throw drop ;
1.1 pazsan 139:
140: : read-bitmap ( fd -- ) >r
1.8 pazsan 141: bitmap bitmap-chars @ tchars @ * r> read-file throw drop ;
1.1 pazsan 142:
1.4 pazsan 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 ;
1.1 pazsan 145:
1.15 pazsan 146: : bit@ ( addr n -- flag )
147: dup 7 and $80 swap rshift >r 3 rshift + c@ r> and
148: 0<> ;
149:
1.1 pazsan 150: : .image ( -- )
151: image-cells @ 0 ?DO
1.15 pazsan 152: I 1 + I' min I ?DO space image I tcell @ * + t@
153: bitmap I bit@ IF
154: dup 0< IF
1.16 pazsan 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
1.15 pazsan 166: ELSE
1.16 pazsan 167: >r 2drop r> $@
1.15 pazsan 168: THEN
1.16 pazsan 169: ." INST_ADDR(" type ." )"
1.15 pazsan 170: THEN
171: ELSE
1.16 pazsan 172: dup IF ." ((void*)image)+" THEN .08x
1.15 pazsan 173: THEN
174: ELSE
1.16 pazsan 175: ." (void*)" .08x
1.15 pazsan 176: THEN ." ,"
177: LOOP cr
178: 1 +LOOP ;
1.1 pazsan 179:
180: : .reloc ( -- )
1.8 pazsan 181: bitmap-chars @ tchars @ * 0 ?DO
1.4 pazsan 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 ;
1.1 pazsan 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 ( -- )
1.15 pazsan 194: image-header 3 tcell @ * + t@ tchars @ * tcell @ / au @ / .08x ;
1.1 pazsan 195:
196: : .relocsize ( -- )
1.8 pazsan 197: bitmap-chars @ .08x ;
1.1 pazsan 198:
199: : fi2c ( addr u -- ) base @ >r hex
200: read-image
1.20 pazsan 201: \ .\" const static __attribute__ ((__section__ (\".rodata\"))) void* image[" .imagesize ." ] = {" cr .image ." };" cr
202: .\" static void* image[" .imagesize ." ] = {" cr .image ." };" cr
1.16 pazsan 203: ." #ifdef USE_RELOC" cr
1.1 pazsan 204: ." const char reloc_bits[" .relocsize ." ] = {" cr .reloc ." };" cr
1.16 pazsan 205: ." #endif" cr
1.1 pazsan 206: r> base ! ;
207:
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