verif/diag/assembly/arch/prm/tso/tso_directed/tso_n1_evict_fanout_ic1_8c.s

/*
* ========== Copyright Header Begin ==========================================
*
* OpenSPARC T2 Processor File: tso_n1_evict_fanout_ic1_8c.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 MAIN_BASE_DATA_ADDR     0x160000
#define MAIN_BASE_TEXT_ADDR     0x150000
#define MAIN_BASE_DATA_ADDR_RA   0x100160000
#define MAIN_BASE_TEXT_ADDR_RA   0x100150000

#define DATA2_BASE_DATA_ADDR      0x950000
#define DATA2_BASE_DATA_ADDR_RA   0x100950000

#define USER_PAGE_CUSTOM_MAP

#define data_base_reg1                  %o1
#define data_base_reg2                  %o2

#define my_id_reg                       %l1
#define test_reg                        %l2
#define counter_reg                     %l3
#define tmp1                            %l4
#define tmp2                            %l5
#define tmp3                            %l6

#define ITERATIONS                      0x1

#include "hboot.s"

SECTION .MAIN  TEXT_VA=0x150000, DATA_VA=0x160000

attr_text {
        Name = .MAIN,
        VA=MAIN_BASE_TEXT_ADDR,
        RA=MAIN_BASE_TEXT_ADDR_RA,
        PA=ra2pa(MAIN_BASE_TEXT_ADDR_RA,0),
part_0_ctx_nonzero_tsb_config_0,
        TTE_G=0, TTE_Context=PCONTEXT, TTE_V=1, TTE_Size=0, TTE_NFO=0,
        TTE_IE=0, TTE_Soft2=0, TTE_Diag=0, TTE_Soft=0,
        TTE_L=0, TTE_CP=1, TTE_CV=1, TTE_E=0, TTE_P=0, TTE_W=1
        }
attr_data {
        Name = .MAIN,
        VA=MAIN_BASE_DATA_ADDR,
        RA=MAIN_BASE_DATA_ADDR_RA,
        PA=ra2pa(MAIN_BASE_DATA_ADDR_RA,0),
part_0_ctx_nonzero_tsb_config_0,
        TTE_G=0, TTE_Context=PCONTEXT, TTE_V=1, TTE_Size=0, TTE_NFO=0,
        TTE_IE=0, TTE_Soft2=0, TTE_Diag=0, TTE_Soft=0,
        TTE_L=0, TTE_CP=1, TTE_CV=1, TTE_E=0, TTE_P=0, TTE_W=1
        }

.text
.global main
main:
        set     ITERATIONS,     counter_reg
        add     %g0, 0x100, my_id_reg
loop:                                           ! get the lines in I$
        nop;nop;nop;nop;
        nop;nop;nop;nop;
        nop;nop;nop;nop;
        nop;nop;nop;nop;


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
th_main_3:
        add     my_id_reg, 0x0c, my_id_reg
        ba      go; 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
th_main_8:
        add     my_id_reg, 0x20, my_id_reg
        ba      go; nop
th_main_9:
        add     my_id_reg, 0x24, my_id_reg
        ba      go; nop
th_main_10:
        add     my_id_reg, 0x28, my_id_reg
        ba      go; nop
th_main_11:
        add     my_id_reg, 0x2c, my_id_reg
        ba      go; nop
th_main_12:
        add     my_id_reg, 0x30, my_id_reg
        ba      go; nop
th_main_13:
        add     my_id_reg, 0x34, my_id_reg
        ba      go; nop
th_main_14:
        add     my_id_reg, 0x38, my_id_reg
        ba      go; nop
th_main_15:
        add     my_id_reg, 0x3c, my_id_reg
        ba      go; nop
th_main_16:
        add     my_id_reg, 0x40, my_id_reg
        ba      go; nop
th_main_17:
        add     my_id_reg, 0x44, my_id_reg
        ba      go; nop
th_main_18:
        add     my_id_reg, 0x48, my_id_reg
        ba      go; nop
th_main_19:
        add     my_id_reg, 0x4c, my_id_reg
        ba      go; nop
th_main_20:
        add     my_id_reg, 0x50, my_id_reg
        ba      go; nop
th_main_21:
        add     my_id_reg, 0x54, my_id_reg
        ba      go; nop
th_main_22:
        add     my_id_reg, 0x58, my_id_reg
        ba      go; nop
th_main_23:
        add     my_id_reg, 0x5c, my_id_reg
        ba      go; nop
th_main_24:
        add     my_id_reg, 0x60, my_id_reg
        ba      go; nop
th_main_25:
        add     my_id_reg, 0x64, my_id_reg
        ba      go; nop
th_main_26:
        add     my_id_reg, 0x68, my_id_reg
        ba      go; nop
th_main_27:
        add     my_id_reg, 0x6c, my_id_reg
        ba      go; nop
th_main_28:
        add     my_id_reg, 0x70, my_id_reg
        ba      go; nop
th_main_29:
        add     my_id_reg, 0x74, my_id_reg
        ba      go; nop
th_main_30:
        add     my_id_reg, 0x78, my_id_reg
        ba      go; nop
th_main_31:
        add     my_id_reg, 0x7c, my_id_reg
        ba      go; nop

go:
        setx    protected_area2,%l0, data_base_reg2     ! the data area2
                                                        ! it aliases area1

        set     barrier_code,tmp1                       ! meet all threads
        jmpl    tmp1,%o7                                ! at the barrier
        nop

        sub     my_id_reg, 0x100, tmp1                  ! if I am thread 0
        brz     tmp1,  evict
        nop
goon:                                                   ! do it again or end
        dec     counter_reg
        brz     counter_reg, good_end
        nop
        ba      loop
        nop

evict:
        ba      goon
        ld      [data_base_reg2], test_reg              ! read from data area2

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

barrier_code:
        setx    barrier_data, tmp1, tmp2
bloop1:                                                 ! lock the barrier
        mov     my_id_reg, tmp1                         ! counter
        cas     [tmp2], %g0, tmp1
        brnz    tmp1, bloop1
#ifdef PREFETCH
        prefetch [tmp2], #n_reads
#else
        nop
#endif

        ld      [tmp2 + 4], tmp3                        ! increment
        inc     tmp3
        st      tmp3, [tmp2 + 4]

        st      %g0, [tmp2]                             ! unlock

bloop3:
        ld      [tmp2 + 4], tmp3
        brz     tmp3, bout2                             ! if 0 we are out.
        sub     tmp3, THREAD_COUNT, tmp3                ! subtract THREAD_COUNT
        brnz    tmp3, bloop3                            ! if 0 we are also out.
#ifdef PREFETCH
        prefetch [tmp2], #n_reads
#else
        nop
#endif

bout2:
        st      %g0, [tmp2 + 4]                         ! clear barrier counter
        jmpl    %o7+8, %g0                              ! return
        nop

good_end:
        ta      T_GOOD_TRAP
bad_end:
        ta      T_BAD_TRAP

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

        .data
.global protected_area
protected_area:
        .word   0xbee1
        .skip 0x1000
        .word   0xbee1

SECTION .DATA2  DATA_VA=0x950000

attr_data {
        Name = .DATA2,
        VA=DATA2_BASE_DATA_ADDR,
        RA=DATA2_BASE_DATA_ADDR_RA,
        PA=ra2pa(DATA2_BASE_DATA_ADDR_RA,0),
part_0_ctx_nonzero_tsb_config_0,
        TTE_G=0, TTE_Context=PCONTEXT, TTE_V=1, TTE_Size=0, TTE_NFO=0,
        TTE_IE=0, TTE_Soft2=0, TTE_Diag=0, TTE_Soft=0,
        TTE_L=0, TTE_CP=1, TTE_CV=1, TTE_E=0, TTE_P=0, TTE_W=1
        }

.data
.global protected_area2
protected_area2:
        .word   0xbee2
        .skip 0x400
.global barrier_data
barrier_data:
        .word   0x0
        .word   0x0