Annotation of gforth/fi2c.fs, revision 1.20
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:
1.17 pazsan 36: : >ENVIRON get-current env-current ! target-environment set-current
37: also target-environment context ! ;
38: : ENVIRON> previous env-current @ set-current ;
1.16 pazsan 39:
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
1.18 pazsan 52: ' Value Alias SetValue
1.16 pazsan 53:
54: : kb 1024 * ;
55:
1.18 pazsan 56: ' noop alias T
57: ' noop alias H
58:
59: : has? parse-name 2drop true ;
60:
1.16 pazsan 61: include machpc.fs
62: ENVIRON>
63:
1.15 pazsan 64: : prefix? ( string u1 prefix u2 -- flag )
65: tuck 2>r umin 2r> str= ;
66:
1.16 pazsan 67: 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:
1.15 pazsan 77: : read-groups ( addr u -- )
1.16 pazsan 78: r/o open-file throw >r 0 2
1.15 pazsan 79: BEGIN pad $100 r@ read-line throw WHILE
1.16 pazsan 80: 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?
1.19 pazsan 85: IF 2drop r@ scan-ifs
1.16 pazsan 86: 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
1.15 pazsan 93: REPEAT
94: 2drop r> close-file throw ;
95: s" prim_lab.i" read-groups
96:
1.3 pazsan 97: Variable bswap?
1.15 pazsan 98: Variable endian
1.3 pazsan 99: Variable tchars
1.4 pazsan 100: Variable tcell
1.7 pazsan 101: Variable au
1.3 pazsan 102:
1.15 pazsan 103: : 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:
1.1 pazsan 115: : search-magic ( fd -- ) >r
116: BEGIN magicbuf 8 r@ read-file throw 8 = WHILE
1.15 pazsan 117: magicbuf s" Gforth3" tuck str= UNTIL
1.1 pazsan 118: ELSE true abort" No magic found" THEN
1.6 pazsan 119: 1 magicbuf 7 + c@ 5 rshift 3 and lshift tchars !
120: 1 magicbuf 7 + c@ 1 rshift 3 and lshift tcell !
1.7 pazsan 121: 1 magicbuf 7 + c@ 3 rshift 3 and lshift au !
1.15 pazsan 122: magicbuf 7 + c@ 1 and 0= dup endian !
1.6 pazsan 123: [ pad off 1 pad ! pad c@ 1 = ] Literal = bswap? !
1.7 pazsan 124: ." /* Image with " tcell @ . ." bytes cell, " tchars @ . ." bytes per char and " au @ . ." bytes per address unit */" cr
1.1 pazsan 125: rdrop ;
126:
127: Create image-header 4 cells allot
128: Variable image-cells
129: Variable bitmap-chars
130:
131: : read-header ( fd -- )
1.15 pazsan 132: image-header 4 tcell @ * rot read-file throw drop
133: image-header 2 tcell @ * + t@ tchars @ * tcell @ / au @ /
1.8 pazsan 134: dup image-cells ! 1- 8 / tchars @ / 1+ bitmap-chars !
1.15 pazsan 135: image-cells @ tcell @ * allocate throw to image
1.1 pazsan 136: bitmap-chars @ allocate throw to bitmap ;
137:
138: : read-dictionary ( fd -- ) >r
1.15 pazsan 139: image image-cells @ tcell @ * r> read-file throw drop ;
1.1 pazsan 140:
141: : read-bitmap ( fd -- ) >r
1.8 pazsan 142: bitmap bitmap-chars @ tchars @ * r> read-file throw drop ;
1.1 pazsan 143:
1.4 pazsan 144: : .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 ;
1.1 pazsan 146:
1.15 pazsan 147: : bit@ ( addr n -- flag )
148: dup 7 and $80 swap rshift >r 3 rshift + c@ r> and
149: 0<> ;
150:
1.1 pazsan 151: : .image ( -- )
152: image-cells @ 0 ?DO
1.15 pazsan 153: I 1 + I' min I ?DO space image I tcell @ * + t@
154: bitmap I bit@ IF
155: dup 0< IF
1.16 pazsan 156: 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
1.15 pazsan 167: ELSE
1.16 pazsan 168: >r 2drop r> $@
1.15 pazsan 169: THEN
1.16 pazsan 170: ." INST_ADDR(" type ." )"
1.15 pazsan 171: THEN
172: ELSE
1.16 pazsan 173: dup IF ." ((void*)image)+" THEN .08x
1.15 pazsan 174: THEN
175: ELSE
1.16 pazsan 176: ." (void*)" .08x
1.15 pazsan 177: THEN ." ,"
178: LOOP cr
179: 1 +LOOP ;
1.1 pazsan 180:
181: : .reloc ( -- )
1.8 pazsan 182: bitmap-chars @ tchars @ * 0 ?DO
1.4 pazsan 183: 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 ;
1.1 pazsan 187:
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 ( -- )
1.15 pazsan 195: image-header 3 tcell @ * + t@ tchars @ * tcell @ / au @ / .08x ;
1.1 pazsan 196:
197: : .relocsize ( -- )
1.8 pazsan 198: bitmap-chars @ .08x ;
1.1 pazsan 199:
200: : fi2c ( addr u -- ) base @ >r hex
201: read-image
1.20 ! pazsan 202: \ .\" const static __attribute__ ((__section__ (\".rodata\"))) void* image[" .imagesize ." ] = {" cr .image ." };" cr
! 203: .\" static void* image[" .imagesize ." ] = {" cr .image ." };" cr
1.16 pazsan 204: ." #ifdef USE_RELOC" cr
1.1 pazsan 205: ." const char reloc_bits[" .relocsize ." ] = {" cr .reloc ." };" cr
1.16 pazsan 206: ." #endif" cr
1.1 pazsan 207: r> base ! ;
208:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to fi2c.fs CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [gforth] / gforth