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

/*
* ========== Copyright Header Begin ==========================================
*
* OpenSPARC T2 Processor File: ncu_park_unpark_by_running_rw.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
    be   t_0
    nop
    cmp  %o1,0x3f
    be   t_63
    nop

! Just halt all other threads
halt:
    ba   halt
    nop

t_0:

! Enable/disable other threads and check status to see if
! these threads were correctly parked/unparked

    ldxa [ASI_CMP_CORE_RUNNING_STATUS]%asi, %g2
    set  0x1,%g1
    cmp  %g2,%g1
    bne  %xcc,test_fail
    nop

    setx asi_running_rw_mask,%l0,%g7
    set  0x20,%g5

loop:
    ldx  [%g7],%g1
    stxa %g1,[ASI_CMP_CORE_RUNNING_RW]%asi
    call sleep
    nop

    cmp  %g1,%g0
    bne  skip
    nop
    or   %g1,0x1,%g1

skip:
    ldxa [ASI_CMP_CORE_RUNNING_STATUS]%asi, %g2
    cmp  %g1,%g2
    bne  test_fail
    nop

    subcc %g5,1,%g5
    bnz  loop
    add  %g7,0x8,%g7

    ba   test_pass
    nop

t_63:
    setx 0xaaaaaaaaaaaaaaaa,%l0,%g1
    ldxa [ASI_CMP_CORE_RUNNING_STATUS]%asi, %g2
    cmp  %g1,%g2
    bne  test_fail
    nop

    ba   test_pass
    nop

sleep:
    rd   %tick,%l2
    setx 0x04ff,%l0,%l1
    add  %l1,%l2,%l1
sleep_loop:
    rd   %tick,%l2
    cmp  %l1,%l2
    bpos sleep_loop
    nop
    retl
    nop

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

test_pass:
EXIT_GOOD

test_fail:
EXIT_BAD

.data
asi_running_rw_mask:
    .xword 0x6849543973ffaceb
    .xword 0x3873423420976291
    .xword 0x0876cedec243baa1
    .xword 0x2fccafcafadeafcd
    .xword 0x7876234524000005
    .xword 0x423287634bcafed9
    .xword 0x54cad5362ddcec99
    .xword 0x10027373bced6941
    .xword 0x58cde0de5438b099
    .xword 0x6763245926423463
    .xword 0x398bcade2345326b
    .xword 0x376324c2de739295
    .xword 0x0acedceafdbffbed
    .xword 0x12823c3de3cfade3
    .xword 0x72bacfed35384767
    .xword 0x5555555555555555
    .xword 0x787342342097629f
    .xword 0x4876cedec243baa1
    .xword 0x2fccafcafadeafcd
    .xword 0x2876234524000009
    .xword 0x0000000000000001
    .xword 0x6000000000000001
    .xword 0x0040000000000001
    .xword 0x0000200000000001
    .xword 0x0000001000000001
    .xword 0x0000000000000001
    .xword 0x00000000ff000001
    .xword 0x0000000000770001
    .xword 0x000000000000ff01
    .xword 0x0000000000000023
    .xword 0x7fffffffffffffff
    .xword 0xaaaaaaaaaaaaaaaa
.end