verif/diag/assembly/arch/prm/cmp/ncu_asi_cmp_tick_enable_2.s

/*
* ========== Copyright Header Begin ==========================================
*
* OpenSPARC T2 Processor File: ncu_asi_cmp_tick_enable_2.s
* Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
* 4150 Network Circle, Santa Clara, California 95054, U.S.A.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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
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* ========== 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 the tick register
    stxa %g0,[0x38]%asi

! Run all the other threads
    setx 0xffffffffffffffff,%g7,%g1
    stxa %g1,[ASI_CMP_CORE_RUNNING_RW]%asi

other_threads:
    rd   %tick,%g1
    call sleep
    nop
    rd   %tick,%g2
    cmp  %g1,%g2
    bne  %xcc,test_fail
    nop

    ba   test_pass
    nop

/******************************************************
 * Subroutine code
 *******************************************************/

sleep:
    set 0x3f,%l0
sleep_loop:
    subcc %l0,1,%l0
    bg   sleep_loop
    nop
    retl
    nop

/******************************************************
 * Exit code
 *******************************************************/

test_pass:
EXIT_GOOD

test_fail:
EXIT_BAD