| 1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== |
| 3 | * |
| 4 | * OpenSPARC T2 Processor File: isa3_pmu_int15.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 | |
| 40 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
| 41 | !Override trap handler definitions |
| 42 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
| 43 | |
| 44 | ! Trap should set %l2=TT which is verified in main program |
| 45 | |
| 46 | ! Turn off interrupts by setting PIL=15 |
| 47 | |
| 48 | #define H_T0_Interrupt_Level_15_0x4f |
| 49 | #define My_T0_Interrupt_Level_15_0x4f \ |
| 50 | rdpr %tt, %l2; \ |
| 51 | mov 0xf, %l3; \ |
| 52 | wrpr %l3, %l7, %pil; \ |
| 53 | retry; \ |
| 54 | nop; |
| 55 | |
| 56 | ! Set PIL so that pic_overflow can be taken |
| 57 | #define CREGS_PIL 0xe |
| 58 | |
| 59 | #include "hboot.s" |
| 60 | |
| 61 | /************************************************************************ |
| 62 | Test case code start |
| 63 | ************************************************************************/ |
| 64 | |
| 65 | .text |
| 66 | .global main |
| 67 | |
| 68 | main: /* test begin */ |
| 69 | |
| 70 | ! |
| 71 | ! Thread 0 Start |
| 72 | ! |
| 73 | !main_t0: |
| 74 | !# Initialize registers .. |
| 75 | |
| 76 | !# Global registers |
| 77 | !# Input registers |
| 78 | !# Local registers |
| 79 | set 0x10088072, %l0 ! count completed branches with TOE |
| 80 | set 0x101080b2, %l1 ! count taken branches (mispredicted) with TOE |
| 81 | set 0x00000000, %l2 ! setup to be used by the trap checker |
| 82 | set 0x10408232, %l3 ! count loads with TOE |
| 83 | set 0x10808432, %l4 ! count stores with TOE |
| 84 | set 0x11008832, %l5 ! count sethi (software count instr) with TOE |
| 85 | set 0x12009032, %l6 ! count other instructions |
| 86 | !# Output registers |
| 87 | !# Float registers |
| 88 | !# Other state |
| 89 | |
| 90 | !# Execute Main Diag .. |
| 91 | ta T_CHANGE_PRIV ! Should cause Watchdog_reset trap |
| 92 | init_pic: |
| 93 | rd %pic, %g2 ! load the current pic value into %g2 |
| 94 | set 0xfffffff6, %g1 |
| 95 | wr %g1, %g0, %pic ! set the counter to near overflow |
| 96 | |
| 97 | check_pcr: |
| 98 | rd %pcr, %g3 ! load the current pcr value into %g3 |
| 99 | |
| 100 | cnt_br: |
| 101 | wr %l0, %g0, %pcr ! count branches |
| 102 | set 0x0, %g4 |
| 103 | cmp %g0, %g4 |
| 104 | bne,pn %icc, fail ! no branching |
| 105 | brz %l0, fail ! no branching |
| 106 | rd %pic, %g2 ! load the current pic value into %g2 |
| 107 | |
| 108 | addcc %g0, 0x0002, %g5! keep track of counts |
| 109 | |
| 110 | cnt_other: |
| 111 | wr %l6, %g0, %pcr !count other inst |
| 112 | inc %g5 |
| 113 | inc %g5 |
| 114 | |
| 115 | stop_cnt: |
| 116 | wr %g0, %g0, %pcr !stop counting |
| 117 | |
| 118 | add %g0, 0x0003, %g4 |
| 119 | rd %pic, %g2 !check pic value |
| 120 | cmp %g2, %g5 |
| 121 | !bne,pn %icc, fail |
| 122 | |
| 123 | chk_trap: |
| 124 | set 0x4f, %g1 |
| 125 | cmp %l2, %g1 |
| 126 | bne fail |
| 127 | nop |
| 128 | |
| 129 | done: |
| 130 | EXIT_GOOD /* test finish */ |
| 131 | fail: |
| 132 | EXIT_BAD /* bad count */ |
| 133 | |
| 134 | /************************************************************************ |
| 135 | Test case data start |
| 136 | ************************************************************************/ |
| 137 | .data |
| 138 | user_data_start: |
| 139 | scratch_area: |
| 140 | .align 16 |
| 141 | load_1: |
| 142 | .word 0xFFFF2e2d |
| 143 | .word 0x2e2dFFFF |
| 144 | .align 16 |
| 145 | |
| 146 | store_1: |
| 147 | .align 16 |
| 148 | .word 0xDEADBEEF |
| 149 | .word 0xAAAAAAAA |
| 150 | .align 16 |
| 151 | |
| 152 | .end |