/* * ========== Copyright Header Begin ========================================== * * OpenSPARC T2 Processor File: ncu_asi_cmp_tick_enable_3.s * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved * 4150 Network Circle, Santa Clara, California 95054, U.S.A. * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * For the avoidance of doubt, and except that if any non-GPL license * choice is available it will apply instead, Sun elects to use only * the General Public License version 2 (GPLv2) at this time for any * software where a choice of GPL license versions is made * available with the language indicating that GPLv2 or any later version * may be used, or where a choice of which version of the GPL is applied is * otherwise unspecified. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * * * ========== Copyright Header End ============================================ */ #define MAIN_PAGE_NUCLEUS_ALSO #define MAIN_PAGE_HV_ALSO #include "hboot.s" #include "asi_s.h" .text .global main main: ta T_CHANGE_HPRIV get_th_id: ta T_RD_THID wr %g0,ASI_CMP_CORE,%asi cmp %o1,0x0 bne other_threads nop disable_tick: ! Disable and confirm that it is disabled stxa %g0,[0x38]%asi nop set 0x5,%l0 loop1: setx 0x0000008000000a00,%g7,%g6 ldx [%g6],%g4 subcc %l0,1,%l0 bg loop1 nop rd_tick1: rd %tick,%g1 nop set 0x5,%l0 loop2: setx 0x0000008000000a00,%g7,%g6 ldx [%g6],%g4 subcc %l0,1,%l0 bg loop2 nop rd_tick2: rd %tick,%g2 check_tick1: cmp %g1,%g2 bne %xcc,test_fail nop ! Now enable it enable_tick: set 0x1,%g1 stxa %g1,[0x38]%asi Turn_on_all_th: setx 0xffffffffffffffff,%g7,%g6 stxa %g6,[ASI_CMP_CORE_RUNNING_RW]%asi nop set 0x5,%l0 loop3: setx 0x0000008000000a00,%g7,%g6 ldx [%g6],%g4 subcc %l0,1,%l0 bg loop3 nop other_threads: rd_tick3: rd %tick,%g1 nop set 0x5,%l0 loop4: setx 0x0000008000000a00,%g7,%g6 ldx [%g6],%g4 subcc %l0,1,%l0 bg loop4 nop rd_tick4: rd %tick,%g2 check_tick2: cmp %g1,%g2 be %xcc,test_fail nop /****************************************************** * Exit code *******************************************************/ test_pass: EXIT_GOOD test_fail: EXIT_BAD