| 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 | |