Annotation of gforth/cache1.vmg, revision 1.7
1.1 anton 1: \ stack cache setup
2:
1.6 anton 3: \ Copyright (C) 2003,2004 Free Software Foundation, Inc.
1.1 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
19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
20:
21: \E register IPTOS Cell
1.2 anton 22: \E register spTOS Cell
1.5 anton 23: \E register spb Cell
24: \E register spc Cell
1.2 anton 25: \ \E register spd Cell
1.1 anton 26:
27: \E create IPregs IPTOS ,
1.5 anton 28: \E create regs spc , spb , spTOS ,
29: \ \E create regs spTOS ,
1.1 anton 30:
31: \E IPregs 1 0 stack-state IPss1
1.7 ! anton 32: \E regs 3 th 0 -1 stack-state ss0
! 33: \E regs 2 th 1 0 stack-state ss1
! 34: \E regs 1 th 2 1 stack-state ss2
! 35: \ \E regs 0 th 3 2 stack-state ss3
! 36: \ \E regs 1 th 0 -1 stack-state ss0
1.5 anton 37: \ \E regs 1 0 stack-state ss1
1.1 anton 38:
1.2 anton 39: \ the first of these is the default state (for now)
1.1 anton 40: \E state S1
1.3 anton 41: \E state S0
1.5 anton 42: \E state S2
1.2 anton 43: \ \E state S3
1.1 anton 44:
1.3 anton 45: \E ss0 data-stack S0 set-ss
1.1 anton 46: \E ss1 data-stack S1 set-ss
1.5 anton 47: \E ss2 data-stack S2 set-ss
1.2 anton 48: \ \E ss3 data-stack S3 set-ss
1.1 anton 49:
1.3 anton 50: \E IPss1 inst-stream S0 set-ss
1.1 anton 51: \E IPss1 inst-stream S1 set-ss
1.5 anton 52: \E IPss1 inst-stream S2 set-ss
1.2 anton 53: \ \E IPss1 inst-stream S3 set-ss
1.1 anton 54:
55: \E data-stack to cache-stack
1.5 anton 56: \E here 3 cache-states 2! s0 , s1 , s2 ,
57: \ \E here 2 cache-states 2! s0 , s1 ,
1.1 anton 58:
59: \ !! the following should be automatic
1.2 anton 60: \E S1 to state-default
1.1 anton 61: \E state-default to state-in
62: \E state-default to state-out
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>