Initial commit of OpenSPARC T2 architecture model.
[OpenSPARC-T2-SAM] / obp / obp / pkg / keyboard / install.fth
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1\ ========== Copyright Header Begin ==========================================
2\
3\ Hypervisor Software File: install.fth
4\
5\ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
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10\ or without modification, are permitted provided that the following
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14\ this list of conditions and the following disclaimer.
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21\ may be used to endorse or promote products derived from this software
22\ without specific prior written permission.
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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
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30\ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
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37\ You acknowledge that this software is not designed, licensed or
38\ intended for use in the design, construction, operation or maintenance of
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40\
41\ ========== Copyright Header End ============================================
42\ id: @(#)install.fth 1.6 99/02/25
43\ purpose:
44\ copyright: Copyright 1997 Sun Microsystems, Inc. All Rights Reserved
45
46headerless
47\ The default keytable, that deltas are built upon.
48instance defer base-key-table
49
50\ temporary pointer for table building
51instance variable kbd-char-ptr
52
53\ This is the keyboard identify function, return true to continue
54\ processing.
55instance defer do-kbd-fn ( addr len -- more? )
56
57\ A buffer that holds the current keyboard table
58/keytable instance buffer: key-table
59
60: nextchar ( -- char ) kbd-char-ptr @ c@ 1 kbd-char-ptr +! ;
61
62: ?setkey ( flags adr -- flags' adr' )
63 over 1 and if nextchar over c! then ( flags adr )
64 swap u2/ swap keymap-size - ( flags adr )
65;
66
67: set-diff-keytable ( difflist-adr -- )
68 kbd-char-ptr ! ( )
69 begin ( )
70 nextchar dup d# 255 <> \ While there are more keys
71 while ( install-flags flag )
72 nextchar ( install-flags index )
73 >k-altgmap ( install-flags index' )
74 key-table + ( install-flags adr )
75 ?setkey ( install-flags adr )
76 ?setkey ( install-flags adr )
77 ?setkey ( install-flags adr )
78 2drop
79 repeat
80 drop
81;
82
83: set-keytable ( table-adr -- )
84 1+ \ Skip id byte
85 dup c@ case ( adr selector )
86 diff-encoding of base-key-table 1+ set-diff-keytable endof ( )
87 table-encoding of 1+ key-table /keytable cmove endof ( )
88 alias-encoding of drop endof ( )
89 ( default: adr selector )
90 ." Invalid keymap format byte" nip ( selector )
91 endcase ( )
92;
93
94instance variable restart-scan?
95
96: next-kbd-addr ( addr-orig addr len -- addr-orig addr len )
97 restart-scan? @ if ( addr-orig addr len )
98 2drop ( addr-orig )
99 dup dup >kbd-data-size ( addr-orig addr addr' )
100 dup 1+ c@ swap c@ ( addr-orig addr lo hi )
101 bwjoin ( addr-orig addr len )
102 restart-scan? off ( addr-orig addr len )
103 then ( addr-orig addr len )
104;
105
106: .scan-kbds ( addr )
107 restart-scan? off ( addr-orig )
108 dup ( addr-orig addr )
109 true begin ( addr-orig addr more? )
110 over >kbd-data-size ( addr-orig addr more? addr' )
111 dup 1+ c@ swap c@ ( addr-orig addr more? lo hi )
112 bwjoin ( addr-orig addr more? len )
113 2dup ( addr-orig addr more? len more? len )
114 h# ffff <> ( addr-orig addr more? len more? end? )
115 and while ( addr-orig addr more? len )
116 nip next-kbd-addr ( addr-orig addr len )
117 2dup + ( addr-orig addr len addr' )
118 -rot do-kbd-fn ( addr-orig addr' more? )
119 repeat 3drop drop ( -- )
120;
121