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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: ncu_asi_core_en_wptect.s | |
5 | * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
6 | * 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
7 | * | |
8 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; version 2 of the License. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | * For the avoidance of doubt, and except that if any non-GPL license | |
24 | * choice is available it will apply instead, Sun elects to use only | |
25 | * the General Public License version 2 (GPLv2) at this time for any | |
26 | * software where a choice of GPL license versions is made | |
27 | * available with the language indicating that GPLv2 or any later version | |
28 | * may be used, or where a choice of which version of the GPL is applied is | |
29 | * otherwise unspecified. | |
30 | * | |
31 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
32 | * CA 95054 USA or visit www.sun.com if you need additional information or | |
33 | * have any questions. | |
34 | * | |
35 | * | |
36 | * ========== Copyright Header End ============================================ | |
37 | */ | |
38 | #define MAIN_PAGE_NUCLEUS_ALSO | |
39 | #define MAIN_PAGE_HV_ALSO | |
40 | ||
41 | #include "hboot.s" | |
42 | #include "asi_s.h" | |
43 | ||
44 | #ifndef CORE_AVAIL | |
45 | #define CORE_AVAIL 0xff | |
46 | #endif | |
47 | ||
48 | .text | |
49 | .global main | |
50 | ||
51 | ||
52 | main: | |
53 | ta T_CHANGE_HPRIV | |
54 | ||
55 | get_th_id: | |
56 | ta T_RD_THID | |
57 | wr %g0,ASI_CMP_CORE,%asi | |
58 | ||
59 | ! Check that core_avail and asi_core_enable are correct | |
60 | setx CORE_AVAIL,%g7,%g2 | |
61 | call compute_core_avail ! return in %g2 | |
62 | nop | |
63 | setx 0x8000001010,%g7,%g3 | |
64 | ldx [%g3],%g4 | |
65 | cmp %g2,%g4 | |
66 | bne %xcc,test_fail | |
67 | nop | |
68 | ||
69 | setx 0xffffff0000,%g7,%g1 | |
70 | setx test_comb,%g7,%g3 | |
71 | ldub [%g1],%g6 | |
72 | cmp %g6,0x8 | |
73 | be end_diag | |
74 | nop | |
75 | cmp %g6,0x9 | |
76 | be test_pass | |
77 | nop | |
78 | cmp %g6,0x0 | |
79 | be %xcc,program | |
80 | nop | |
81 | ||
82 | sllx %g6,3,%g6 | |
83 | add %g3,%g6,%g3 | |
84 | srlx %g6,3,%g6 | |
85 | ldx [%g3],%g4 | |
86 | andcc %g4,%g2,%g4 | |
87 | call compute_core_en ! return in %g4 | |
88 | nop | |
89 | bz program | |
90 | nop | |
91 | ldxa [ASI_CMP_CORE_ENABLED]%asi,%g5 | |
92 | cmp %g4,%g5 | |
93 | bne %xcc,test_fail | |
94 | nop | |
95 | ||
96 | program: | |
97 | ! Program asi_core_enable | |
98 | add %g6,1,%g6 | |
99 | stb %g6,[%g1] | |
100 | ldub [%g1],%g7 | |
101 | add %g3,8,%g3 | |
102 | ldx [%g3],%g4 | |
103 | and %g4,%g2,%g4 | |
104 | stxa %g4,[ASI_CMP_CORE_ENABLE]%asi | |
105 | ||
106 | warm_reset: | |
107 | setx 0x8900000808,%g7,%g2 | |
108 | set 0x1,%g1 | |
109 | stx %g1,[%g2] | |
110 | ||
111 | halt: | |
112 | ba halt | |
113 | nop | |
114 | ||
115 | end_diag: | |
116 | setx 0xffffff0000,%g7,%g1 | |
117 | ldub [%g1],%g3 | |
118 | add %g3,1,%g3 | |
119 | stb %g3,[%g1] | |
120 | ldub [%g1],%g3 | |
121 | ||
122 | stxa %g4,[ASI_CMP_CORE_ENABLE]%asi | |
123 | ba warm_reset | |
124 | nop | |
125 | ||
126 | /****************************************************** | |
127 | * Subroutine code | |
128 | *******************************************************/ | |
129 | ||
130 | compute_core_avail: | |
131 | or %g0,%g2,%l0 | |
132 | or %g0,%g0,%g2 | |
133 | set 0x8,%l1 | |
134 | comp_loop: | |
135 | sllx %g2,8,%g2 | |
136 | andcc %l0,0x80,%l2 | |
137 | bz skip | |
138 | nop | |
139 | or %g2,0xff,%g2 | |
140 | skip: | |
141 | sllx %l0,1,%l0 | |
142 | subcc %l1,1,%l1 | |
143 | bnz comp_loop | |
144 | nop | |
145 | retl | |
146 | nop | |
147 | ||
148 | compute_core_en: | |
149 | set 0x8,%l1 | |
150 | setx 0xffffffffffffff00,%g7,%l7 | |
151 | setx 0x00000000000000ff,%g7,%l6 | |
152 | comp_en_loop: | |
153 | and %g4,%l6,%l2 | |
154 | cmp %l2,%l6 | |
155 | be %xcc,skip_en | |
156 | nop | |
157 | and %g4,%l7,%g4 | |
158 | skip_en: | |
159 | sllx %l7,8,%l7 | |
160 | or %l7,0xff,%l7 | |
161 | sllx %l6,8,%l6 | |
162 | subcc %l1,1,%l1 | |
163 | bnz comp_en_loop | |
164 | nop | |
165 | retl | |
166 | nop | |
167 | ||
168 | /****************************************************** | |
169 | * Exit code | |
170 | *******************************************************/ | |
171 | ||
172 | test_pass: | |
173 | EXIT_GOOD | |
174 | ||
175 | test_fail: | |
176 | EXIT_BAD | |
177 | ||
178 | .data | |
179 | .align 0x10 | |
180 | test_comb: | |
181 | .xword 0xfffeffffca2345ff | |
182 | .xword 0x8976923023ccff99 | |
183 | .xword 0xffffffffffffffff | |
184 | .xword 0x4232300109124058 | |
185 | .xword 0xfedcedaefecdebbb | |
186 | .xword 0xbcffade538ffecfe | |
187 | .xword 0xfffff903034ecdff | |
188 | .xword 0x010018fff09824ff | |
189 | .xword 0x01becaffffffff00 | |
190 | .xword 0xceff35ffbcff09ff | |
191 | .xword 0xff89ffbcff5affc2 | |
192 | .xword 0xff10923479ffff91 | |
193 | .xword 0x3cffffc255374ff3 | |
194 | .xword 0x223f3ffecffff779 | |
195 | .xword 0xfcfffecedffeffff | |
196 | .xword 0x6768ffff989fff29 | |
197 | .xword 0xbcbf09ff0292ffff | |
198 | .end |