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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: ifu_basic_br1.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 | #include "defines.h" | |
39 | #include "old_boot.s" | |
40 | ||
41 | !SECTION .MAIN TEXT_VA = 0xfffffffff0000000 | |
42 | !attr_text { | |
43 | ! Name=.MAIN, | |
44 | ! hypervisor | |
45 | !} | |
46 | ||
47 | .text | |
48 | .global main | |
49 | ||
50 | main: | |
51 | ||
52 | ! 1st fetch should be from RSTVaddr+0x20 | |
53 | ||
54 | illtrap | |
55 | illtrap | |
56 | illtrap | |
57 | illtrap | |
58 | illtrap | |
59 | illtrap | |
60 | illtrap | |
61 | illtrap | |
62 | ||
63 | ! First intsruction fetched should be from here RSTVaddr+0x20 | |
64 | ||
65 | ! First set up some registers with values .. | |
66 | ||
67 | setx 0x524e4f2c0e9a829e, %g1, %g2 | |
68 | setx 0x21f892f023188c4b, %g1, %g3 | |
69 | setx 0x0b2a330b797f1524, %g1, %g4 | |
70 | ||
71 | setx 0xfffffffff0000000, %g1, %g5 | |
72 | setx 0x454f5c220664cd3c, %g1, %g6 | |
73 | setx 0x5d7085ae11898343, %g1, %g7 | |
74 | ||
75 | ! Now do some useful stuff .. | |
76 | ||
77 | start: | |
78 | bpos,a t2 | |
79 | bpos,a t4 | |
80 | inc %g2 | |
81 | b goodbye | |
82 | ||
83 | ||
84 | t2: | |
85 | bpos,a t3 | |
86 | inc %g3 | |
87 | b goodbye | |
88 | ||
89 | ||
90 | t3: | |
91 | bneg,a goodbye | |
92 | inc %g4 | |
93 | b goodbye | |
94 | ||
95 | ||
96 | t4: | |
97 | bpos,a t5 | |
98 | inc %g5 | |
99 | b goodbye | |
100 | ||
101 | ||
102 | t5: | |
103 | bneg,a goodbye | |
104 | inc %g6 | |
105 | xor %g2, %g6, %g1 | |
106 | ||
107 | cmp %g5, %g6 ; | |
108 | cmp %g3, 0x1 | |
109 | ||
110 | ||
111 | goodbye: | |
112 | nop | |
113 | nop | |
114 | nop | |
115 | nop | |
116 | nop | |
117 | !good_trap: | |
118 | ! b good_trap | |
119 | EXIT_GOOD | |
120 | nop | |
121 | nop | |
122 | ||
123 | ||
124 | ||
125 | !SECTION .DATA TEXT_VA = 0xffffff0000000000 | |
126 | !attr_text { | |
127 | ! Name=.DATA, | |
128 | ! hypervisor | |
129 | !} | |
130 | ||
131 | .data | |
132 | .xword 0x0 | |
133 | .xword 0x1 | |
134 | .xword 0x2 | |
135 | .xword 0x3 | |
136 | .xword 0x4 | |
137 | .xword 0x5 | |
138 | .xword 0x6 | |
139 | .xword 0x7 | |
140 | ||
141 | .end | |
142 | ||
143 |