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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: isa3_1215htraps1.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_HV_ALSO | |
39 | #define MAIN_PAGE_NUCLEUS_ALSO | |
40 | ||
41 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
42 | !Override trap handler definitions | |
43 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
44 | ||
45 | #define H_HT0_HTrap_Instruction_0 | |
46 | #define My_HT0_HTrap_Instruction_0 \ | |
47 | rdpr %tt, %g5; \ | |
48 | rdpr %pstate, %g6; \ | |
49 | rdhpr %hpstate, %g7; \ | |
50 | done; \ | |
51 | nop; | |
52 | ||
53 | #define My_RED_Mode_Other_Reset \ | |
54 | rdhpr %htstate, %g1; \ | |
55 | rdpr %tstate, %g2; \ | |
56 | rdpr %tpc, %g3; \ | |
57 | rdpr %tnpc, %g4; \ | |
58 | rdpr %tt, %g5; \ | |
59 | rdpr %pstate, %g6; \ | |
60 | rdhpr %hpstate, %g7; \ | |
61 | wrpr %g0, 1, %tl ; \ | |
62 | wrhpr %g1, %htstate ; \ | |
63 | wrpr %g2, %tstate ; \ | |
64 | wrpr %g3, %tpc ; \ | |
65 | wrpr %g4, %tnpc ; \ | |
66 | retry ;\ | |
67 | nop; | |
68 | ||
69 | #define H_HT0_Trap_Level_Zero_0x5f | |
70 | #define My_HT0_Trap_Level_Zero_0x5f \ | |
71 | rdpr %tt, %g5; \ | |
72 | rdpr %pstate, %g6; \ | |
73 | rdhpr %hpstate, %g7; \ | |
74 | rdhpr %htstate, %g1; \ | |
75 | wrhpr %g1, 5, %htstate; \ | |
76 | done; \ | |
77 | nop; | |
78 | ||
79 | #include "hboot.s" | |
80 | ||
81 | /************************************************************************ | |
82 | Test case code start | |
83 | ************************************************************************/ | |
84 | ||
85 | .text | |
86 | .global main | |
87 | ||
88 | main: /* test begin */ | |
89 | ||
90 | ta T_CHANGE_HPRIV | |
91 | ||
92 | set_maxtl: | |
93 | wrpr %g0, 0x6, %tl | |
94 | ||
95 | ta T_CHANGE_PRIV ! Should cause Watchdog_reset trap | |
96 | ||
97 | set_maxtl_minus1: | |
98 | wrpr %g0, 0x5, %tl | |
99 | ||
100 | take_htrap: | |
101 | ta 0x90 ! Should cause htrap to RED state | |
102 | ! because TL = MAXTL -1 | |
103 | set_tlz: | |
104 | ta T_CHANGE_HPRIV | |
105 | wrhpr %g0, 5, %hpstate | |
106 | ||
107 | ta T_CHANGE_NONHPRIV ! Return should cause tlz trap ? | |
108 | ||
109 | ||
110 | ||
111 | done: | |
112 | EXIT_GOOD /* test finish */ | |
113 | ||
114 | /************************************************************************ | |
115 | Test case data start | |
116 | ************************************************************************/ | |
117 | .data | |
118 | user_data_start: | |
119 | .word 0xB52E8698 | |
120 | .end | |
121 |