File:  [gforth] / gforth / kernel / main.fs
Revision 1.36: download - view: text, annotated - select for diffs
Sat Feb 25 18:28:12 2006 UTC (18 years, 1 month ago) by pazsan
Branches: MAIN
CVS tags: HEAD
R8C Forth works!

    1: \ MAIN.FS      Kernel main load file                   20may93jaw
    2: 
    3: \ Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc.
    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
   19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
   20: 
   21: Create mach-file here over 1+ allot place
   22: 
   23: 0 [IF]
   24: \ debugging: produce a relocation and a symbol table
   25: s" rel-table" r/w create-file throw
   26: Constant fd-relocation-table
   27: 
   28: \ debuggging: produce a symbol table
   29: s" sym-table" r/w create-file throw
   30: Constant fd-symbol-table
   31: [THEN]
   32: 
   33: 
   34: bl word vocabulary find nip 0= [IF]
   35:     \ if search order stuff is missing assume we are compiling on a gforth
   36:     \ system and include it.
   37:     \ We want the files taken from our current gforth installation
   38:     \ so we don't include relatively to this file
   39:     require startup.fs
   40: [THEN]
   41: 
   42: \ include etags.fs
   43: 
   44: include ./../cross.fs              \ cross-compiler
   45: 
   46: decimal
   47: 
   48: has? rom 0= [IF]
   49:     has? kernel-start has? kernel-size makekernel
   50: [THEN]
   51:     \ create image-header
   52: has? header [IF]
   53: here 1802 over 
   54:     A,                  \ base address
   55:     0 ,                 \ checksum
   56:     0 ,                 \ image size (without tags)
   57: has? kernel-size
   58:     ,                   \ dict size
   59:     has? stack-size ,   \ data stack size
   60:     has? fstack-size ,  \ FP stack size
   61:     has? rstack-size ,  \ return stack size
   62:     has? lstack-size ,  \ locals stack size
   63:     0 A,                \ code entry point
   64:     0 A,                \ throw entry point
   65:     has? stack-size ,   \ unused (possibly tib stack size)
   66:     0 ,                 \ unused
   67:     0 ,                 \ data stack base
   68:     0 ,                 \ fp stack base
   69:     0 ,                 \ return stack base
   70:     0 ,                 \ locals stack base
   71: [THEN]
   72: 
   73: doc-off
   74: has? prims [IF]
   75:     include ./aliases.fs             \ primitive aliases
   76: [ELSE]
   77:     prims-include
   78:     undef-words
   79:     include prim.fs
   80:     all-words  
   81: [THEN]
   82: doc-on
   83: 
   84: has? header [IF]
   85: 1802 <> [IF] .s cr .( header start address expected!) cr uffz [THEN]
   86: AConstant image-header
   87: : forthstart image-header @ ;
   88: [THEN]
   89: 
   90: \ 0 AConstant forthstart
   91: 
   92: \ include ./vars.fs                  \ variables and other stuff
   93: \ include kernel/version.fs          \ is in $(build)/kernel
   94: include ./kernel.fs                  \ kernel
   95: \ include ./errore.fs
   96: include ./doers.fs
   97: has? file [IF]
   98:     include ./args.fs
   99:     include ./files.fs               \ file words
  100:     include ./paths.fs
  101:     include ./require.fs
  102: [THEN]
  103: 
  104: has? compiler [IF]
  105:     has? glocals [IF]
  106:         include ./cond.fs            \ IF and co.
  107:     [ELSE]
  108:         include ./cond-old.fs        \ IF and co. withoutlocals
  109:     [THEN]
  110:     \ these two games can be added to provide complex examples for the 4stack
  111:     \ and misc simulators (see arch/4stack/README and arch/misc/README).
  112:     has? games [IF]
  113: 	include arch/misc/tt.fs
  114: 	include arch/misc/sokoban.fs
  115:     [THEN]
  116: [THEN]
  117: include ./quotes.fs
  118: has? ec 0= [IF]
  119: include ./toolsext.fs
  120: [THEN]
  121: include ./tools.fs               \ load tools ( .s dump )
  122: include ./getdoers.fs
  123: 
  124: \ Setup                                                13feb93py
  125: 
  126: include ./pass.fs                    \ pass pointers from cross to target
  127: 
  128: has? header [IF]
  129:     \ set image size
  130:     here image-header 2 cells + !         
  131:     \ set image entry point
  132:     ' boot >body  image-header 8 cells + A!         
  133: [ELSE]
  134:     >boot
  135: [THEN]
  136: 
  137: .unresolved                          \ how did we do?

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