/*
* ========== Copyright Header Begin ==========================================
* 
* OpenSPARC T2 Processor File: ncu_en_thrd_on_dis_core.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 
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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_o0:
    ta   T_RD_THID
    wr   %g0,ASI_CMP_CORE,%asi

    cmp  %o1,0x0
    be   thrd_0
    nop
    cmp  %o1,0x8
    be   thrd_8
    nop
    cmp  %o1,0x9
    be   thrd_9
    nop
    ba   test_fail
    nop

thrd_0:
! Disable all but core 1
    setx 0x000000000000ff00,%g7,%g1
    stxa %g1,[ASI_CMP_CORE_ENABLE]%asi

! Warm reset
    setx 0x8900000808,%g7,%g1
    set  0x1,%g2
    stx  %g2,[%g1]

halt:
    ba   halt
    nop

thrd_8:
! Enable threads on all other cores
    setx 0xffffffffffff02ff,%g7,%g1
    stxa %g1,[ASI_CMP_CORE_RUNNING_RW]%asi

    ba   halt
    nop

thrd_9:
! Wait for a bit to see if other threads woke
    call sleep
    nop

    ba   test_pass
    nop

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

sleep:
    rd   %tick,%l2
    setx 0x0000000000000fff,%g7,%l1
    add  %l1,%l2,%l1
sleep_loop:
    rd   %tick,%l2
    cmp  %l1,%l2
    bpos %xcc,sleep_loop
    nop
    retl
    nop

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

test_pass:
EXIT_GOOD

test_fail:
EXIT_BAD