verif/diag/assembly/arch/prm/tso/tso_directed/tso_n2_false_sharing2.s

/*
* ========== Copyright Header Begin ==========================================
*
* OpenSPARC T2 Processor File: tso_n2_false_sharing2.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 data_base_reg                   %o1
#define to_reg                          %o2
#define my_id_reg                       %o3
#define test_reg                        %o4
#define global_cnt_reg                  %o5

#define TIMEOUT                         0x1000
#define ITERATIONS                      0x2

#include "hboot.s"

.global main

main:

        set     ITERATIONS,     global_cnt_reg
        mov     %g0, my_id_reg

th_fork(th_main,%l0)

th_main_0:
        add     my_id_reg, 0x00, my_id_reg      ! this is my ID address
        ba      go
        nop

th_main_1:
        add     my_id_reg, 0x04, my_id_reg
        ba      go
        nop
th_main_2:
!       add     my_id_reg, 0x08, my_id_reg
!       ba      go
!       nop
        mov    0xff, %g5
iloop2:
        call   leafRoutine
        nop
        deccc  %g5
        bnz    iloop2
        nop
        nop
        nop


th_main_3:
        add     my_id_reg, 0x0c, my_id_reg
        ba      go
        nop
        mov    0xff, %g5
iloop1:
        call   leafRoutine
        nop
        deccc  %g5
        bnz    iloop1
        nop
        nop
        nop


th_main_4:
        add     my_id_reg, 0x10, my_id_reg
        ba      go
        nop

th_main_5:
        add     my_id_reg, 0x14, my_id_reg
        ba      go
        nop

th_main_6:
        add     my_id_reg, 0x18, my_id_reg
        ba      go
        nop

th_main_7:
        add     my_id_reg, 0x1c, my_id_reg
        ba      go
        nop

go:
        setx    protected_area, %l0, data_base_reg      ! the data area

        set     100, %l0
        add     my_id_reg, data_base_reg, data_base_reg
        add     my_id_reg, data_base_reg, %i1
loop1:
        st      %i1, [data_base_reg]                    ! store my ID in there
        add     data_base_reg, 0x40, data_base_reg      ! increment the address
        add     %i1, 1, %i1
        deccc   %l0
        bne     loop1                                   ! repeat
        nop

        set     100, %l0
loop2:
        sub     data_base_reg, 0x40, data_base_reg
        sub     %i1, 1, %i1
        ld      [data_base_reg], %l1                    ! read the data area
        subcc   %l1, %i1, %l1                           ! should be same as i1
        bne     bad_end
        nop
        deccc   %l0                                     ! repeat
        bne     loop2
        nop

check_done:                                             ! check if done
        deccc   global_cnt_reg
        be      good_end
        nop
        ba      go
        nop

good_end:
        ta      T_GOOD_TRAP
bad_end:
        ta      T_BAD_TRAP

!==========================

        .data
.global protected_area
protected_area:
        .word   0xbeef
        .word   0xbeef
.global leafRoutine
leafRoutine:
        .word   0x81c3e008
        .word   0x01000000
        .skip 0x1000
        .word   0xbeef

.end