[OpenSPARC-T2-SAM] / obp / obp / pkg / console / instcons.fth

\ ========== Copyright Header Begin ==========================================
\ 
\ Hypervisor Software File: instcons.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: @(#)instcons.fth 2.27 04/02/03
purpose: Select and install console I/O devices
copyright: Copyright 1990-2004 Sun Microsystems, Inc.  All Rights Reserved
copyright: Use is subject to license terms.

headers

variable prev-stdin

headerless
: report-fb  ( -- )
   'fb-node token@  origin <>  if            ( phandle )
      'fb-node token@  " screen" 2dup aliased?  if  ( phandle name$ alias$ )
	 \ There is already an alias called screen
	 2drop 3drop                                (  )
      else                                          ( phandle name$ alias$ )
	 2drop make-node-alias                      (  )
      then
   then
;

headers
: install-console  ( -- )
   report-fb

   \ Need to pause momentarily to let ttya flush the final few
   \ (potential) characters out of its shift registers. Consider
   \    NVRAMRC:   probe-all ." #####" install-console banner
   \ On average, 3 to 4 of the "#" characters get printed...e.g.,
   \ typical example:
   \    ###<trashed-#-character>Sun Fire 880, No Keyboard
   \ banner first line printed.

   5 ms					\ Let "ttya" quiesce

   \ Switch to romvec I/O and use ttya at first.
   fallback-device io  console-io

   \ Open NVRAM output-device as the output device
   output-device output

   \ Open NVRAM input-device as the input device
   stdin @  prev-stdin !  input-device  input

   prev-stdin @ stdin @  =   input-device " keyboard" $=   and  if
      \ NVRAM input-device was keyboard but could not open it.

      output-device " screen"   $=  stdout @ 0<>  and  if

         ." Keyboard not present.  Using "  fallback-device type
         ."  for input and output." cr

         \ Give the user time to see the message before the screen goes blank
         d# 4.000 ms
      then
      fallback-device io
   then

   \ Fail-safe in case of bad input or output device
   stdin  @  0=  if  fallback-device input   then
   stdout @  0=  if  fallback-device output  then
;
Commit	Line	Data
920dae64 AT	1	\ ========== Copyright Header Begin ==========================================
	2	\
	3	\ Hypervisor Software File: instcons.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: @(#)instcons.fth 2.27 04/02/03
	43	purpose: Select and install console I/O devices
	44	copyright: Copyright 1990-2004 Sun Microsystems, Inc. All Rights Reserved
	45	copyright: Use is subject to license terms.
	46
	47	headers
	48
	49	variable prev-stdin
	50
	51	headerless
	52	: report-fb ( -- )
	53	'fb-node token@ origin <> if ( phandle )
	54	'fb-node token@ " screen" 2dup aliased? if ( phandle name$ alias$ )
	55	\ There is already an alias called screen
	56	2drop 3drop ( )
	57	else ( phandle name$ alias$ )
	58	2drop make-node-alias ( )
	59	then
	60	then
	61	;
	62
	63	headers
	64	: install-console ( -- )
65	report-fb
66
67	\ Need to pause momentarily to let ttya flush the final few
68	\ (potential) characters out of its shift registers. Consider
69	\ NVRAMRC: probe-all ." #####" install-console banner
70	\ On average, 3 to 4 of the "#" characters get printed...e.g.,
71	\ typical example:
72	\ ###<trashed-#-character>Sun Fire 880, No Keyboard
73	\ banner first line printed.
74
75	5 ms \ Let "ttya" quiesce
76
77	\ Switch to romvec I/O and use ttya at first.
78	fallback-device io console-io
79
80	\ Open NVRAM output-device as the output device
81	output-device output
82
83	\ Open NVRAM input-device as the input device
84	stdin @ prev-stdin ! input-device input
85
86	prev-stdin @ stdin @ = input-device " keyboard" $= and if
87	\ NVRAM input-device was keyboard but could not open it.
88
89	output-device " screen" $= stdout @ 0<> and if
90
91	." Keyboard not present. Using " fallback-device type
92	." for input and output." cr
93
94	\ Give the user time to see the message before the screen goes blank
95	d# 4.000 ms
96	then
97	fallback-device io
98	then
99
100	\ Fail-safe in case of bad input or output device
101	stdin @ 0= if fallback-device input then
102	stdout @ 0= if fallback-device output then
103	;