| 1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== |
| 3 | * |
| 4 | * OpenSPARC T2 Processor File: ncu_park_unpark_multiple_times.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 | .text |
| 45 | .global main |
| 46 | |
| 47 | |
| 48 | main: |
| 49 | ta T_CHANGE_HPRIV |
| 50 | |
| 51 | get_th_id: |
| 52 | ta T_RD_THID |
| 53 | wr %g0,ASI_CMP_CORE,%asi |
| 54 | |
| 55 | cmp %o1,0x0 |
| 56 | be t_0 |
| 57 | nop |
| 58 | cmp %o1,0x3f |
| 59 | be t_63 |
| 60 | nop |
| 61 | |
| 62 | ! Just halt all other threads |
| 63 | halt: |
| 64 | ba halt |
| 65 | nop |
| 66 | |
| 67 | t_0: |
| 68 | setx 0xffffffffffffffff,%g7,%g2 |
| 69 | set 11,%g3 |
| 70 | loop: |
| 71 | stxa %g0,[ASI_CMP_CORE_RUNNING_RW]%asi |
| 72 | call sleep |
| 73 | nop |
| 74 | stxa %g2,[ASI_CMP_CORE_RUNNING_RW]%asi |
| 75 | call sleep |
| 76 | nop |
| 77 | |
| 78 | subcc %g3,1,%g3 |
| 79 | bnz loop |
| 80 | nop |
| 81 | |
| 82 | setx flag,%g7,%g4 |
| 83 | set 1,%g5 |
| 84 | stb %g5,[%g4] |
| 85 | |
| 86 | ba halt |
| 87 | nop |
| 88 | |
| 89 | t_63: |
| 90 | setx flag,%g7,%l0 |
| 91 | ldub [%l0],%l1 |
| 92 | cmp %l1,%g0 |
| 93 | bz t_63 |
| 94 | nop |
| 95 | |
| 96 | setx 0x8000000000000001,%g7,%g1 |
| 97 | set 11,%g2 |
| 98 | |
| 99 | loop_1: |
| 100 | stxa %g1,[ASI_CMP_CORE_RUNNING_RW]%asi |
| 101 | call sleep |
| 102 | nop |
| 103 | stxa %g0,[ASI_CMP_CORE_RUNNING_RW]%asi |
| 104 | call sleep |
| 105 | nop |
| 106 | |
| 107 | subcc %g2,1,%g2 |
| 108 | bnz loop_1 |
| 109 | nop |
| 110 | |
| 111 | ba test_pass |
| 112 | nop |
| 113 | |
| 114 | /****************************************************** |
| 115 | * Subroutine code |
| 116 | *******************************************************/ |
| 117 | |
| 118 | sleep: |
| 119 | rd %tick,%l2 |
| 120 | setx 0x02ff,%l0,%l1 |
| 121 | add %l1,%l2,%l1 |
| 122 | sleep_loop: |
| 123 | rd %tick,%l2 |
| 124 | cmp %l1,%l2 |
| 125 | bpos sleep_loop |
| 126 | nop |
| 127 | retl |
| 128 | nop |
| 129 | |
| 130 | /****************************************************** |
| 131 | * Exit code |
| 132 | *******************************************************/ |
| 133 | |
| 134 | test_pass: |
| 135 | EXIT_GOOD |
| 136 | |
| 137 | test_fail: |
| 138 | EXIT_BAD |
| 139 | |
| 140 | .data |
| 141 | flag: |
| 142 | .byte 0x00 |
| 143 | .end |