verif/diag/assembly/isa3/isa3_pmu_int15.s

/*
* ========== Copyright Header Begin ==========================================
*
* OpenSPARC T2 Processor File: isa3_pmu_int15.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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*
* 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
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* ========== Copyright Header End ============================================
*/
#define MAIN_PAGE_NUCLEUS_ALSO

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!Override trap handler definitions
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

! Trap should set %l2=TT which is verified in main program

! Turn off interrupts by setting PIL=15

#define H_T0_Interrupt_Level_15_0x4f
#define My_T0_Interrupt_Level_15_0x4f \
        rdpr    %tt, %l2; \
        mov    0xf,     %l3;    \
        wrpr    %l3,    %l7,    %pil; \
        retry; \
        nop;

! Set PIL so that pic_overflow can be taken
#define CREGS_PIL 0xe

#include "hboot.s"

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

.text
.global main

main:           /* test begin */

!
! Thread 0 Start
!
!main_t0:
        !# Initialize registers ..

        !# Global registers
        !# Input registers
        !# Local registers
        set     0x10088072,     %l0 ! count completed branches with TOE
        set     0x101080b2,     %l1 ! count taken branches (mispredicted) with TOE
        set     0x00000000,     %l2 ! setup to be used by the trap checker
        set     0x10408232,     %l3 ! count loads with TOE
        set     0x10808432,     %l4 ! count stores with TOE
        set     0x11008832,     %l5 ! count sethi (software count instr) with TOE
        set     0x12009032,     %l6 ! count other instructions
        !# Output registers
        !# Float registers
        !# Other state

        !# Execute Main Diag ..
        ta T_CHANGE_PRIV            ! Should cause Watchdog_reset trap
init_pic:
        rd      %pic, %g2       ! load the current pic value into %g2
        set     0xfffffff6, %g1
        wr      %g1, %g0, %pic  ! set the counter to near overflow

check_pcr:
        rd      %pcr, %g3       ! load the current pcr value into %g3

cnt_br:
        wr      %l0, %g0, %pcr  ! count branches
        set     0x0, %g4
        cmp     %g0, %g4
        bne,pn  %icc, fail      ! no branching
        brz     %l0, fail       ! no branching
        rd      %pic, %g2       ! load the current pic value into %g2

        addcc   %g0, 0x0002, %g5! keep track of counts

cnt_other:
        wr      %l6, %g0, %pcr  !count other inst
        inc     %g5
        inc     %g5

stop_cnt:
        wr      %g0, %g0, %pcr  !stop counting

        add     %g0, 0x0003, %g4
        rd      %pic, %g2       !check pic value
        cmp     %g2, %g5
        !bne,pn %icc, fail

chk_trap:
        set     0x4f,   %g1
        cmp     %l2,    %g1
        bne     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