projects / OpenSPARC-T2-DV / blame
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| 86530b38 AT |
1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== | |
| 3 | * | |
| 4 | * OpenSPARC T2 Processor File: memop_byte_mask.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 | #define MAIN_PAGE_HV_ALSO | |
| 40 | ||
| 41 | #include "hboot.s" | |
| 42 | #include "asi_s.h" | |
| 43 | ||
| 44 | /************************************************************************ | |
| 45 | Test case code start | |
| 46 | ************************************************************************/ | |
| 47 | ||
| 48 | .text | |
| 49 | .global main | |
| 50 | ||
| 51 | main: | |
| 52 | ta T_CHANGE_HPRIV | |
| 53 | ||
| 54 | ! | |
| 55 | ! Thread 0 Start | |
| 56 | ! | |
| 57 | thread_0: | |
| 58 | ! Bring data of all 1's into a L2 cache line | |
| 59 | ||
| 60 | setx user_data_start, %g1, %g2 | |
| 61 | ld [%g2], %l0 | |
| 62 | membar #Sync | |
| 63 | ||
| 64 | ! Do byte stores into that same L2 cache line. | |
| 65 | ! Data = 0, 1, 2, 3, ..., 63 | |
| 66 | ||
| 67 | mov %g2, %g3 ! %g3 = address | |
| 68 | mov %g0, %g1 ! %g1 = data | |
| 69 | ||
| 70 | storeloop: | |
| 71 | stb %g1, [%g3] | |
| 72 | add %g1, 1, %g1 | |
| 73 | cmp %g1, 63 | |
| 74 | bne storeloop | |
| 75 | add %g3, 1, %g3 | |
| 76 | ||
| 77 | ! Do byte reads from that same L2 cache line | |
| 78 | ! Check the data read. | |
| 79 | ||
| 80 | mov %g2, %g3 ! %g3 = address | |
| 81 | mov %g0, %g1 ! %g1 = data | |
| 82 | ||
| 83 | readloop: | |
| 84 | ldub [%g3], %l1 | |
| 85 | cmp %l1, %g1 | |
| 86 | bne test_failed | |
| 87 | add %g1, 1, %g1 | |
| 88 | cmp %g1, 63 | |
| 89 | bne readloop | |
| 90 | add %g3, 1, %g3 | |
| 91 | ||
| 92 | test_passed: | |
| 93 | EXIT_GOOD | |
| 94 | ||
| 95 | test_failed: | |
| 96 | EXIT_BAD | |
| 97 | ||
| 98 | ||
| 99 | /************************************************************************ | |
| 100 | Test case data start | |
| 101 | ************************************************************************/ | |
| 102 | .data | |
| 103 | user_data_start: | |
| 104 | .xword 0xffffffff | |
| 105 | .xword 0xffffffff | |
| 106 | .xword 0xffffffff | |
| 107 | .xword 0xffffffff | |
| 108 | .xword 0xffffffff | |
| 109 | .xword 0xffffffff | |
| 110 | .xword 0xffffffff | |
| 111 | .xword 0xffffffff | |
| 112 | .xword 0xffffffff | |
| 113 | .xword 0xffffffff | |
| 114 | .xword 0xffffffff | |
| 115 | .xword 0xffffffff | |
| 116 | .xword 0xffffffff | |
| 117 | .xword 0xffffffff | |
| 118 | .xword 0xffffffff | |
| 119 | .xword 0xffffffff | |
| 120 | .end | |
| 121 | ||
| 122 | ||
| 123 |