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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: startcpu.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: @(#)startcpu.fth 1.18 06/02/16 | |
43 | purpose: | |
44 | copyright: Copyright 2006 Sun Microsystems, Inc. All Rights Reserved | |
45 | copyright: Use is subject to license terms. | |
46 | ||
47 | headerless | |
48 | ||
49 | : cif-idled-slave ( -- ) | |
50 | reclaim-machine | |
51 | slave-idle-loop | |
52 | ; | |
53 | ||
54 | \ The cpuid (HW mid used during cross calls) of a processor may be | |
55 | \ stored as one of three different device node properties: cpuid, | |
56 | \ portid, or upa-portid. | |
57 | : phandle>cpu-mid ( phandle -- mid false -or- true ) | |
58 | >r ( ) | |
59 | " cpuid" r@ get-package-property if ( ) | |
60 | " portid" r@ get-package-property if ( ) | |
61 | " upa-portid" r@ get-package-property if ( ) | |
62 | r> drop true exit ( true ) | |
63 | then ( xdr,len ) | |
64 | then | |
65 | then ( xdr,len ) | |
66 | r> drop ( xdr,len ) | |
67 | decode-int false 2swap 2drop ( mid 0 ) | |
68 | ; | |
69 | ||
70 | cif: SUNW,start-cpu ( arg addr phandle -- failed? ) | |
71 | phandle>cpu-mid if 2drop true exit then ( arg addr mid ) | |
72 | xcall-start-cpu ( failed? ) | |
73 | ; | |
74 | ||
75 | headerless | |
76 | ||
77 | \ Valid cpu is one with non-zero cpu-status field. | |
78 | : mid-valid-cpu? ( portid -- valid? ) | |
79 | dup mid-ok? if | |
80 | >cpu-struct >cpu-status @ 0<> | |
81 | else | |
82 | drop false | |
83 | then | |
84 | ; | |
85 | headers | |
86 | ||
87 | \ Per FWARC/2001/745 | |
88 | \ stop the cpu identified by cpuid, using the same cross call mechanism | |
89 | \ used to park CPUs on an enter or breakpoint. | |
90 | \ CPUs parked in this fashion may be started using the 'start-cpu' interfaces | |
91 | \ Slave CPUs will be idled with PIL=F and IE=1, it is assumed that a CPU | |
92 | \ about to be stopped is idling somewhere with IE=1 also, if not the xcall | |
93 | \ and the cif call will fail. | |
94 | \ | |
95 | cif: SUNW,stop-cpu-by-cpuid ( cpuid -- failed? ) | |
96 | dup mid-valid-cpu? ( cpuid ok? ) | |
97 | over mid@ <> and if ( cpuid ) | |
98 | ['] cif-idled-slave over xcall-execute 0= if ( cpuid ) | |
99 | >cpu-struct >cpu-status ( va ) | |
100 | d# 20 begin ( va cpuid ) | |
101 | over @ CPU-IDLING <> over 0<> and while ( va cpuid ) | |
102 | 1- 1 ms ( va ms ) | |
103 | repeat ( va ms ) | |
104 | nip 0= exit ( failed? ) | |
105 | then ( failed? ) | |
106 | then ( failed? ) | |
107 | drop true ( failed ) | |
108 | ; | |
109 | ||
110 | \ Identical to SUNW,start-cpu, except cpuid is given rather than phandle | |
111 | cif: SUNW,start-cpu-by-cpuid ( arg addr cpuid -- failed? ) | |
112 | dup mid-valid-cpu? if ( arg addr cpuid ) | |
113 | xcall-start-cpu ( failed? ) | |
114 | else ( arg addr cpuid ) | |
115 | 3drop true ( true ) | |
116 | then ( failed? ) | |
117 | ; | |
118 | ||
119 | headers |