[gforth] / gforth / fi2c.fs  

gforth: gforth/fi2c.fs


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

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