[OpenSPARC-T2-SAM] / obp / obp / dev / utilities / swapped-access.fth

\ ========== Copyright Header Begin ==========================================
\ 
\ Hypervisor Software File: swapped-access.fth
\ 
\ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
\ 
\  - Do no alter or remove copyright notices
\ 
\  - Redistribution and use of this software in source and binary forms, with 
\    or without modification, are permitted provided that the following 
\    conditions are met: 
\ 
\  - Redistribution of source code must retain the above copyright notice, 
\    this list of conditions and the following disclaimer.
\ 
\  - Redistribution in binary form must reproduce the above copyright notice,
\    this list of conditions and the following disclaimer in the
\    documentation and/or other materials provided with the distribution. 
\ 
\    Neither the name of Sun Microsystems, Inc. or the names of contributors 
\ may be used to endorse or promote products derived from this software 
\ without specific prior written permission. 
\ 
\     This software is provided "AS IS," without a warranty of any kind. 
\ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, 
\ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A 
\ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN 
\ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR 
\ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR 
\ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN 
\ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR 
\ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE 
\ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, 
\ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF 
\ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
\ 
\ You acknowledge that this software is not designed, licensed or
\ intended for use in the design, construction, operation or maintenance of
\ any nuclear facility. 
\ 
\ ========== Copyright Header End ============================================
id: @(#)swapped-access.fth 1.1 02/05/15
purpose: 
copyright: Copyright 1994-1995,2002 Sun Microsystems, Inc.  All Rights Reserved
copyright: Use is subject to license terms.

headerless

: swapped-rx@ ( vadr -- x )  rx@  xbflip  ;
: swapped-rl@ ( vadr -- l )  rl@  lbflip  ;
: swapped-rw@ ( vadr -- w )  rw@  wbflip  ;

: swapped-rx! ( x vadr -- )  >r xbflip r> rx!  ;
: swapped-rl! ( l vadr -- )  >r lbflip r> rl!  ;
: swapped-rw! ( l vadr -- )  >r wbflip r> rw!  ;

: peeker ( adr rd-acf swap-acf -- false | value true )
   >r execute if		( value )
     r> execute true		( value' true )
   else				( -- )
     r> drop false		( false )
   then				( value,true | false )
;

: poker  ( data adr wr-acf swap-acf -- false | true  )
   -rot				( data swap-acf adr wr-acf )
   2swap			( adr wr-acf data swap-acf )
   execute			( wr-acf adr data' )
   -rot execute			( false | true )
;

: swapped-lpeek ( adr -- false | value true )  ['] lpeek ['] lbflip  peeker  ;
: swapped-wpeek ( adr -- false | value true )  ['] wpeek ['] wbflip  peeker  ;

: swapped-lpoke ( value adr -- flag )  ['] lpoke ['] lbflip  poker  ;
: swapped-wpoke ( value adr -- flag )  ['] wpoke ['] wbflip  poker  ;

headers
: restore-fcodes ( -- )
   ['] rw@ false h# 232 set-token
   ['] rw! false h# 233 set-token
   ['] rl@ false h# 234 set-token
   ['] rl! false h# 235 set-token
   ['] wpeek false h# 221 set-token
   ['] lpeek false h# 222 set-token
   ['] wpoke false h# 224 set-token
   ['] lpoke false h# 225 set-token
;

: setup-swapped-fcodes ( -- )
   ['] swapped-rw@ false h# 232 set-token
   ['] swapped-rw! false h# 233 set-token
   ['] swapped-rl@ false h# 234 set-token
   ['] swapped-rl! false h# 235 set-token
   ['] swapped-wpeek false h# 221 set-token
   ['] swapped-lpeek false h# 222 set-token
   ['] swapped-wpoke false h# 224 set-token
   ['] swapped-lpoke false h# 225 set-token
;

headerless
Commit	Line	Data
920dae64 AT	1	\ ========== Copyright Header Begin ==========================================
	2	\
	3	\ Hypervisor Software File: swapped-access.fth
	4	\
	5	\ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
	6	\
	7	\ - Do no alter or remove copyright notices
	8	\
	9	\ - Redistribution and use of this software in source and binary forms, with
	10	\ or without modification, are permitted provided that the following
	11	\ conditions are met:
	12	\
	13	\ - Redistribution of source code must retain the above copyright notice,
	14	\ this list of conditions and the following disclaimer.
	15	\
	16	\ - Redistribution in binary form must reproduce the above copyright notice,
	17	\ this list of conditions and the following disclaimer in the
	18	\ documentation and/or other materials provided with the distribution.
	19	\
	20	\ Neither the name of Sun Microsystems, Inc. or the names of contributors
	21	\ may be used to endorse or promote products derived from this software
	22	\ without specific prior written permission.
	23	\
	24	\ This software is provided "AS IS," without a warranty of any kind.
	25	\ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
	26	\ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
	27	\ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
	28	\ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
	29	\ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
	30	\ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
	31	\ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
	32	\ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
	33	\ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
	34	\ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
	35	\ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
	36	\
	37	\ You acknowledge that this software is not designed, licensed or
	38	\ intended for use in the design, construction, operation or maintenance of
	39	\ any nuclear facility.
	40	\
	41	\ ========== Copyright Header End ============================================
	42	id: @(#)swapped-access.fth 1.1 02/05/15
	43	purpose:
	44	copyright: Copyright 1994-1995,2002 Sun Microsystems, Inc. All Rights Reserved
	45	copyright: Use is subject to license terms.
	46
	47	headerless
	48
	49	: swapped-rx@ ( vadr -- x ) rx@ xbflip ;
	50	: swapped-rl@ ( vadr -- l ) rl@ lbflip ;
	51	: swapped-rw@ ( vadr -- w ) rw@ wbflip ;
	52
	53	: swapped-rx! ( x vadr -- ) >r xbflip r> rx! ;
	54	: swapped-rl! ( l vadr -- ) >r lbflip r> rl! ;
	55	: swapped-rw! ( l vadr -- ) >r wbflip r> rw! ;
	56
	57	: peeker ( adr rd-acf swap-acf -- false \| value true )
	58	>r execute if ( value )
	59	r> execute true ( value' true )
	60	else ( -- )
	61	r> drop false ( false )
	62	then ( value,true \| false )
	63	;
	64
65	: poker ( data adr wr-acf swap-acf -- false \| true )
66	-rot ( data swap-acf adr wr-acf )
67	2swap ( adr wr-acf data swap-acf )
68	execute ( wr-acf adr data' )
69	-rot execute ( false \| true )
70	;
71
72	: swapped-lpeek ( adr -- false \| value true ) ['] lpeek ['] lbflip peeker ;
73	: swapped-wpeek ( adr -- false \| value true ) ['] wpeek ['] wbflip peeker ;
74
75	: swapped-lpoke ( value adr -- flag ) ['] lpoke ['] lbflip poker ;
76	: swapped-wpoke ( value adr -- flag ) ['] wpoke ['] wbflip poker ;
77
78	headers
79	: restore-fcodes ( -- )
80	['] rw@ false h# 232 set-token
81	['] rw! false h# 233 set-token
82	['] rl@ false h# 234 set-token
83	['] rl! false h# 235 set-token
84	['] wpeek false h# 221 set-token
85	['] lpeek false h# 222 set-token
86	['] wpoke false h# 224 set-token
87	['] lpoke false h# 225 set-token
88	;
89
90	: setup-swapped-fcodes ( -- )
91	['] swapped-rw@ false h# 232 set-token
92	['] swapped-rw! false h# 233 set-token
93	['] swapped-rl@ false h# 234 set-token
94	['] swapped-rl! false h# 235 set-token
95	['] swapped-wpeek false h# 221 set-token
96	['] swapped-lpeek false h# 222 set-token
97	['] swapped-wpoke false h# 224 set-token
98	['] swapped-lpoke false h# 225 set-token
99	;
100
101	headerless