verif/diag/assembly/arch/prm/memory/memop_halfword_byte_mask.s

/*
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*
* OpenSPARC T2 Processor File: memop_halfword_byte_mask.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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#define MAIN_PAGE_NUCLEUS_ALSO
#define MAIN_PAGE_HV_ALSO

#include "hboot.s"
#include "asi_s.h"

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

.text
.global main

main:
        ta      T_CHANGE_HPRIV

        setx    user_data_start, %g1, %g2

        ! Do 4 halfword stores to each halfword in a doubleword

        setx    0x1111, %g1, %g7
        add     %g7, %g7, %g6
        add     %g7, %g6, %g5
        add     %g7, %g5, %g4
        sth     %g7, [%g2]
        sth     %g6, [%g2 + 0x2]
        sth     %g5, [%g2 + 0x4]
        sth     %g4, [%g2 + 0x6]

        ! Load the 4 halfwords and test the data

        lduh    [%g2], %l1
        cmp     %l1, %g7
        bne     test_failed
        nop
        lduh    [%g2 + 0x2], %l2
        cmp     %l2, %g6
        bne     test_failed
        nop
        lduh    [%g2 + 0x4], %l3
        cmp     %l3, %g5
        bne     test_failed
        nop
        lduh    [%g2 + 0x6], %l4
        cmp     %l4, %g4
        bne     test_failed
        nop

test_passed:
        EXIT_GOOD

test_failed:
        EXIT_BAD


/************************************************************************
   Test case data start
 ************************************************************************/
.data
        .align  0x4000
user_data_start:
        .xword 0x0000000000000000
        .xword 0x0000000000000000
        .xword 0x0000000000000000
        .xword 0x0000000000000000
        .xword 0x0000000000000000
        .xword 0x0000000000000000
        .xword 0x0000000000000000
        .xword 0x0000000000000000
.end