verif/diag/assembly/uarch/pmu/diag/pmuAtomic.s

/*
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*
* OpenSPARC T2 Processor File: pmuAtomic.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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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
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* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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* choice is available it will apply instead, Sun elects to use only
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#define MAIN_PAGE_NUCLEUS_ALSO
#define MAIN_PAGE_HV_ALSO
#include "hboot.s"

/************************************************************************
   Test case code start
 ************************************************************************/

.text
.global main

main:           /* test begin */


! Thread 0 Start

!main_t0:

        ! Execute Main Diag ..
        ta T_CHANGE_HPRIV            ! Should cause Watchdog_reset trap

        set     0x1400a00F,     %l7 ! count atomics
        wr      %l7, %g0, %pcr  ! count atomics
        wr      %g0, %g0, %pic  ! zero out the counter


    setx 0x10000000, %o1, %o2  ! Generic address

    ldstub  [%o2], %o3
    ldstuba [%o2] 0x80, %o3
    casxa   [%o2] 0x80, %o3, %o4
    casa    [%o2] 0x80, %o3, %o4
    swap    [%o2], %o3
    swapa   [%o2] 0x80, %o3
    ldstub  [%o2], %o3
    ldstuba [%o2] 0x80, %o3
    casxa   [%o2] 0x80, %o3, %o4
    casa    [%o2] 0x80, %o3, %o4
    swap    [%o2], %o3
    swapa   [%o2] 0x80, %o3

    setx 0xC0000000C, %l2, %g5
        rd      %pic, %g2       ! load the current pic value into %g2
    xor %g5, %g2, %g2

    brnz %g2, fail
    nop


done:
        EXIT_GOOD       /* test finish  */
fail:
        EXIT_BAD        /* bad count */


/************************************************************************
   Test case data start
 ************************************************************************/

.data
user_data_start:
scratch_area:
.align 16
load_1:
.word 0xFFFF2e2d
.word 0x2e2dFFFF
.align 16

store_1:
.align 16
.word 0xDEADBEEF
.word 0xAAAAAAAA
.align 16

.end