[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 :     \ 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
19 : anton 1.10 \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
20 : anton 1.2
21 : pazsan 1.15 require string.fs
22 :    
23 : pazsan 1.1 0 Value image
24 :     0 Value bitmap
25 :    
26 :     Create magicbuf 8 allot
27 :    
28 : pazsan 1.15 Create groups 32 0 [DO] 512 cells allocate throw dup 512 cells erase , [LOOP]
29 :    
30 : pazsan 1.16 \ 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 : pazsan 1.17 : >ENVIRON get-current env-current ! target-environment set-current
37 :     also target-environment context ! ;
38 :     : ENVIRON> previous env-current @ set-current ;
39 : pazsan 1.16
40 :     : t-env? ( addr len -- [ x ] true | false )
41 :     \G returns the content of environment variable and true or
42 :     \G false if not present
43 :     target-environment search-wordlist
44 :     IF EXECUTE true ELSE false THEN ;
45 :    
46 :     : $has? ( addr u -- x | false )
47 :     \G returns the content of environment variable
48 :     \G or false if not present
49 :     t-env? dup IF drop THEN ;
50 :    
51 :     ' Value Alias DefaultValue
52 : pazsan 1.18 ' Value Alias SetValue
53 : pazsan 1.16
54 :     : kb 1024 * ;
55 :    
56 : pazsan 1.18 ' noop alias T
57 :     ' noop alias H
58 :    
59 :     : has? parse-name 2drop true ;
60 :    
61 : pazsan 1.16 include machpc.fs
62 :     ENVIRON>
63 :    
64 : pazsan 1.15 : prefix? ( string u1 prefix u2 -- flag )
65 :     tuck 2>r umin 2r> str= ;
66 :    
67 : pazsan 1.16 s" NULL" groups @ cell+ $!
68 :    
69 :     : scan-ifs ( fd -- ) >r 1
70 :     BEGIN pad $100 r@ read-line throw WHILE
71 :     pad swap
72 :     2dup s" #ifdef HAS_" prefix? >r
73 :     2dup s" #else" prefix? >r
74 :     s" #endif" prefix? r> or r> - +
75 :     dup 0= UNTIL THEN rdrop drop ;
76 :    
77 : pazsan 1.15 : read-groups ( addr u -- )
78 : pazsan 1.16 r/o open-file throw >r 0 2
79 : pazsan 1.15 BEGIN pad $100 r@ read-line throw WHILE
80 : pazsan 1.16 pad swap
81 :     2dup s" #ifdef HAS_" prefix?
82 :     IF
83 :     11 /string $has? 0= IF r@ scan-ifs THEN
84 :     ELSE 2dup s" #else" prefix?
85 : pazsan 1.19 IF 2drop r@ scan-ifs
86 : pazsan 1.16 ELSE 2dup s" GROUP(" prefix?
87 :     IF 2drop drop 1+ 0 ELSE
88 :     2dup s" INST_ADDR(" prefix?
89 :     IF &10 /string 2dup ') scan nip -
90 :     2over cells swap cells groups + @ + $!
91 :     1+
92 :     ELSE 2drop THEN THEN THEN THEN
93 : pazsan 1.15 REPEAT
94 :     2drop r> close-file throw ;
95 :     s" prim_lab.i" read-groups
96 :    
97 : pazsan 1.3 Variable bswap?
98 : pazsan 1.15 Variable endian
99 : pazsan 1.3 Variable tchars
100 : pazsan 1.4 Variable tcell
101 : pazsan 1.7 Variable au
102 : pazsan 1.3
103 : pazsan 1.15 : t@ ( addr -- x )
104 :     endian @ IF
105 :     0 swap tcell @ bounds ?DO
106 :     8 lshift I c@ or
107 :     LOOP
108 :     ELSE
109 :     0 swap tcell @ bounds ?DO
110 :     8 rshift I c@ 8 tcell @ 1- * lshift or
111 :     LOOP
112 :     THEN
113 :     dup 1 8 tcell @ * 1- lshift and negate or ;
114 :    
115 : pazsan 1.1 : search-magic ( fd -- ) >r
116 :     BEGIN magicbuf 8 r@ read-file throw 8 = WHILE
117 : pazsan 1.15 magicbuf s" Gforth3" tuck str= UNTIL
118 : pazsan 1.1 ELSE true abort" No magic found" THEN
119 : pazsan 1.6 1 magicbuf 7 + c@ 5 rshift 3 and lshift tchars !
120 :     1 magicbuf 7 + c@ 1 rshift 3 and lshift tcell !
121 : pazsan 1.7 1 magicbuf 7 + c@ 3 rshift 3 and lshift au !
122 : pazsan 1.15 magicbuf 7 + c@ 1 and 0= dup endian !
123 : pazsan 1.6 [ pad off 1 pad ! pad c@ 1 = ] Literal = bswap? !
124 : pazsan 1.7 ." /* Image with " tcell @ . ." bytes cell, " tchars @ . ." bytes per char and " au @ . ." bytes per address unit */" cr
125 : pazsan 1.1 rdrop ;
126 :    
127 :     Create image-header 4 cells allot
128 :     Variable image-cells
129 :     Variable bitmap-chars
130 :    
131 :     : read-header ( fd -- )
132 : pazsan 1.15 image-header 4 tcell @ * rot read-file throw drop
133 :     image-header 2 tcell @ * + t@ tchars @ * tcell @ / au @ /
134 : pazsan 1.8 dup image-cells ! 1- 8 / tchars @ / 1+ bitmap-chars !
135 : pazsan 1.15 image-cells @ tcell @ * allocate throw to image
136 : pazsan 1.1 bitmap-chars @ allocate throw to bitmap ;
137 :    
138 :     : read-dictionary ( fd -- ) >r
139 : pazsan 1.15 image image-cells @ tcell @ * r> read-file throw drop ;
140 : pazsan 1.1
141 :     : read-bitmap ( fd -- ) >r
142 : pazsan 1.8 bitmap bitmap-chars @ tchars @ * r> read-file throw drop ;
143 : pazsan 1.1
144 : pazsan 1.4 : .08x ( n -- ) 0 <# tcell @ 0 ?DO # # LOOP 'x hold '0 hold #> type ;
145 :     : .02x ( n -- ) 0 <# tchars @ 0 ?DO # # LOOP 'x hold '0 hold #> type ;
146 : pazsan 1.1
147 : pazsan 1.15 : bit@ ( addr n -- flag )
148 :     dup 7 and $80 swap rshift >r 3 rshift + c@ r> and
149 :     0<> ;
150 :    
151 : pazsan 1.1 : .image ( -- )
152 :     image-cells @ 0 ?DO
153 : pazsan 1.15 I 1 + I' min I ?DO space image I tcell @ * + t@
154 :     bitmap I bit@ IF
155 :     dup 0< IF
156 : pazsan 1.16 dup -1 = IF
157 :     drop ." NULL"
158 :     ELSE
159 :     negate dup $3E00 and 9 rshift swap $1FF and
160 :     over cells groups + @ over $1FF and cells +
161 :     dup @ 0= IF drop
162 :     2dup 0 8 d= IF 2drop s" doesjump"
163 :     ELSE
164 :     <# '] hold 0 #S 2drop '[ hold '] hold
165 :     0 #S '[ hold #>
166 :     THEN
167 : pazsan 1.15 ELSE
168 : pazsan 1.16 >r 2drop r> $@
169 : pazsan 1.15 THEN
170 : pazsan 1.16 ." INST_ADDR(" type ." )"
171 : pazsan 1.15 THEN
172 :     ELSE
173 : pazsan 1.16 dup IF ." ((void*)image)+" THEN .08x
174 : pazsan 1.15 THEN
175 :     ELSE
176 : pazsan 1.16 ." (void*)" .08x
177 : pazsan 1.15 THEN ." ,"
178 :     LOOP cr
179 :     1 +LOOP ;
180 : pazsan 1.1
181 :     : .reloc ( -- )
182 : pazsan 1.8 bitmap-chars @ tchars @ * 0 ?DO
183 : pazsan 1.4 I $10 + I' min I ?DO space
184 :     0 I tchars @ bounds ?DO 8 lshift bitmap I + c@ + LOOP
185 :     .02x ." ," tchars @ +LOOP cr
186 :     $10 +LOOP ;
187 : pazsan 1.1
188 :     : read-image ( addr u -- )
189 :     r/o bin open-file throw >r
190 :     r@ search-magic
191 :     r@ file-position throw r@ read-header r@ reposition-file throw
192 :     r@ read-dictionary r@ read-bitmap r> close-file throw ;
193 :    
194 :     : .imagesize ( -- )
195 : pazsan 1.15 image-header 3 tcell @ * + t@ tchars @ * tcell @ / au @ / .08x ;
196 : pazsan 1.1
197 :     : .relocsize ( -- )
198 : pazsan 1.8 bitmap-chars @ .08x ;
199 : pazsan 1.1
200 :     : fi2c ( addr u -- ) base @ >r hex
201 :     read-image
202 : pazsan 1.20 \ .\" const static __attribute__ ((__section__ (\".rodata\"))) void* image[" .imagesize ." ] = {" cr .image ." };" cr
203 :     .\" static void* image[" .imagesize ." ] = {" cr .image ." };" cr
204 : pazsan 1.16 ." #ifdef USE_RELOC" cr
205 : pazsan 1.1 ." const char reloc_bits[" .relocsize ." ] = {" cr .reloc ." };" cr
206 : pazsan 1.16 ." #endif" cr
207 : pazsan 1.1 r> base ! ;
208 :    

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