projects / OpenSPARC-T2-DV / blame
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|---|---|---|
| 86530b38 AT |
1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== | |
| 3 | * | |
| 4 | * OpenSPARC T2 Processor File: isa3_pa_watchpoint.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 | !# Set up PA trap | |
| 42 | #define H_HT0_PA_Watchpoint_0x61 | |
| 43 | #define My_H_HT0_PA_Watchpoint_0x61 \ | |
| 44 | add %l7, 0x1, %l7; \ | |
| 45 | done; \ | |
| 46 | nop | |
| 47 | ||
| 48 | ||
| 49 | #include "hboot.s" | |
| 50 | ||
| 51 | /************************************************************************ | |
| 52 | Test case code start | |
| 53 | ************************************************************************/ | |
| 54 | ||
| 55 | .text | |
| 56 | .global main | |
| 57 | ||
| 58 | main: /* test begin */ | |
| 59 | ta T_CHANGE_HPRIV | |
| 60 | mov 0x0, %l7 ! set watchpoint trap counter | |
| 61 | ||
| 62 | setx user_data_start, %i0, %l0 | |
| 63 | add %l0, 0x3, %l0 | |
| 64 | ||
| 65 | /* Set data watchpoint */ | |
| 66 | st_asi: wr %g0, ASI_DMMU_PA_WATCHPOINT, %asi | |
| 67 | stxa %l0, [ASI_DMMU_PA_WATCHPOINT_VAL] %asi | |
| 68 | ||
| 69 | /* Read data watchpoint */ | |
| 70 | ldxa [ASI_DMMU_PA_WATCHPOINT_VAL] %asi, %i0 | |
| 71 | ||
| 72 | /* Enable load PA watchpoint */ | |
| 73 | /* VM=0x55, PR=PW=1, VR=VW=0 */ | |
| 74 | en_pa: | |
| 75 | /* Mask = 0x55 */ | |
| 76 | set 0x55, %l1 | |
| 77 | sll %l1, 25, %l1 | |
| 78 | ||
| 79 | /* Read/write enable */ | |
| 80 | set 0x3, %l2 | |
| 81 | sll %l2, 23, %l2 | |
| 82 | or %l1, %l2, %l1 | |
| 83 | ||
| 84 | /* Mode = Data PA */ | |
| 85 | set 0x2, %l2 | |
| 86 | sllx %l2, 33, %l2 | |
| 87 | or %l1, %l2, %l1 | |
| 88 | ||
| 89 | /* Enable caches */ | |
| 90 | or %l1, 0x3, %l1 | |
| 91 | ||
| 92 | stxa %l1, [%g0] ASI_LSU_CONTROL | |
| 93 | ||
| 94 | ta T_CHANGE_PRIV | |
| 95 | ||
| 96 | /* Load data from watchpoint address */ | |
| 97 | setx user_data_start, %i0, %l0 | |
| 98 | ldx [%l0], %l1 | |
| 99 | ldsb [%l0+0x1], %l1 /* This one shouldn't cause a watchpoint trap */ | |
| 100 | ||
| 101 | /* Read ASI_LSU_CTL_REG */ | |
| 102 | ldxa [%g0] ASI_LSU_CONTROL, %i0 | |
| 103 | ||
| 104 | ! Check how many traps we've taken (should be one) | |
| 105 | cmp %l7,0x1 | |
| 106 | bne bad_exit | |
| 107 | nop | |
| 108 | EXIT_GOOD | |
| 109 | bad_exit: EXIT_BAD | |
| 110 | ||
| 111 | /************************************************************************ | |
| 112 | Test case data start | |
| 113 | ************************************************************************/ | |
| 114 | .data | |
| 115 | ||
| 116 | user_data_start: | |
| 117 | .xword 0x0001020304050607 | |
| 118 | .xword 0x08090a0b0c0d0e0f | |
| 119 | .xword 0x1011121314151617 | |
| 120 | .xword 0x18191a1b1c1d1e1f | |
| 121 | .xword 0x2021222324252627 | |
| 122 | .xword 0x28292a2b2c2d2e2f | |
| 123 | .xword 0x3031323334353637 | |
| 124 | .xword 0x38393a3b3c3d3e3f | |
| 125 | .xword 0x4041424344454647 | |
| 126 | .xword 0x48494a4b4c4d4e4f | |
| 127 | .xword 0x5051525354555657 | |
| 128 | .xword 0x58595a5b5c5d5e5f | |
| 129 | .xword 0x6061626364656667 | |
| 130 | .xword 0x68696a6b6c6d6e6f | |
| 131 | .xword 0x7071727374757677 | |
| 132 | .xword 0x78797a7b7c7d7e7f | |
| 133 | .xword 0x8081828384858687 | |
| 134 | .xword 0x88898a8b8c8d8e8f | |
| 135 | .xword 0x9091929394959697 | |
| 136 | .xword 0x98999a9b9c9d9e9f | |
| 137 | .xword 0xa0a1a2a3a4a5a6a7 | |
| 138 | .xword 0xa8a9aaabacadaeaf | |
| 139 | .xword 0xb0b1b2b3b4b5b6b7 | |
| 140 | .xword 0xb8b9babbbcbdbebf | |
| 141 | .xword 0xc0c1c2c3c4c5c6c7 | |
| 142 | .xword 0xc8c9cacbcccdcecf | |
| 143 | .xword 0xd0d1d2d3d4d5d6d7 | |
| 144 | .xword 0xd8d9dadbdcdddedf | |
| 145 | .xword 0xe0e1e2e3e4e5e6e7 | |
| 146 | .xword 0xe8e9eaebecedeeef | |
| 147 | .xword 0xf0f1f2f3f4f5f6f7 | |
| 148 | .xword 0xf8f9fafbfcfdfeff | |
| 149 | .end |