verif/diag/assembly/arch/prm/interrupt/interrupt_SWVR_INTR_W.s

/*
* ========== Copyright Header Begin ==========================================
*
* OpenSPARC T2 Processor File: interrupt_SWVR_INTR_W.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.
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*
* ========== Copyright Header End ============================================
*/
#define MAIN_PAGE_NUCLEUS_ALSO
#define MAIN_PAGE_HV_ALSO

#define H_HT0_Interrupt_0x60
#define My_HT0_Interrupt_0x60 \
        call    my_trap_code; \
        nop; \
        retry; \
        nop;

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

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

.text
.global main

main:

        ! Switch to hypervisor mode.

        ta      T_CHANGE_HPRIV
        nop

        ! Generate a cross thread interrupt to this thread, 0.

        mov     5, %g3                  ! send to thread 0 vector number 5
        stxa    %g3, [%g0]ASI_SWVR_UDB_INTR_W
        membar  #Sync

        ! Wait a bit

        mov     20, %g4

wait:   cmp     %g4, 0
        bne     wait
        sub     %g4, 1, %g4

        ! Did the expected interrupt occur?  Expect 1 interrupt trap.

        setx    my_trap_count, %g1, %g2
        ld      [%g2], %g3
        cmp     %g3, 1
        bne     test_failed
        nop

        ba      test_passed
        nop

/**********************************************************************
   Interrupt trap handler.
**********************************************************************/

.global my_trap_code

my_trap_code:
        ! Increment the count

        setx    my_trap_count, %g6, %g7
        ld      [%g7], %g5
        add     %g5, 1, %g5
        st      %g5, [%g7]
        membar  #Sync

        ! Check the core interrupt receive and incoming vector registers.

        ldxa    [%g0]ASI_SWVR_INTR_RECEIVE, %g4
        cmp     %g4, 0x20               ! should be vector number 5
        bne     test_failed
        nop

        ! Clear the interrupt

        ldxa    [%g0]ASI_SWVR_INTR_R, %g3
        cmp     %g3, 0x5                ! should be vector number 5
        bne     test_failed
        nop

        ldxa    [%g0]ASI_SWVR_INTR_RECEIVE, %g4
        cmp     %g4, 0                  ! now should be 0
        bne     test_failed
        nop

        ldxa    [%g0]ASI_SWVR_INTR_R, %g3
        cmp     %g3, 0x0                ! should also now be 0
        bne     test_failed
        nop

        jmpl    %o7+0x8, %g0
        nop


test_passed:
        EXIT_GOOD

test_failed:
        EXIT_BAD


/************************************************************************
   Test case data start
 ************************************************************************/
.data
user_data_start:
my_trap_count:
        .word   0x0
        .word   0x0
.end