verif/diag/assembly/arch/error/l2/n2_err_l2_LDAU_uecc_2thrds_trap.s

/*
* ========== Copyright Header Begin ==========================================
*
* OpenSPARC T2 Processor File: n2_err_l2_LDAU_uecc_2thrds_trap.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_PAGE_HV_ALSO


#define  L2_ENTRY_PA        0xa000000000
#define  TEST_DATA1         0x5555555555555555
#define  L2_ENTRY_PA0       0x2020000008
#define L2_ES_W1C_VALUE     0xc03ffff800000000
#define TT_Data_Access_Error 0x32

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

.text
.global  main

main:


  ! Boot code does not provide TLB translation for IO address space
  ta    T_CHANGE_HPRIV

get_th_id_o0:
        ta      T_RD_THID

        cmp     %o1, 0x0
        be      main_t0
        nop

        cmp     %o1, 0x1
        be      main_t1
        nop

ba test_pass
nop

main_t0:
        ba      L20_Init
        nop


main_t1:
        nop
        nop
        nop
        ba      L21_Init
        nop
nop

L20_Init:
disable_l1_DCache:
  ldxa  [%g0] ASI_LSU_CONTROL, %l0
  ! Remove bit 2
  andn  %l0, 0x2, %l0
  stxa  %l0, [%g0] ASI_LSU_CONTROL

enable_err_reporting:
  setx L2EE_PA0, %l0, %l1
  ldx  [%l1], %l2
  mov  0x3, %l0
  or   %l2, %l0, %l2
  stx  %l2, [%l1]

clear_l2_ESR:
  setx  L2_ES_W1C_VALUE, %l0, %l1
  setx  L2ES_PA0, %l6, %g1
  stx   %l1, [%g1]


set_L2_Directly_Mapped_Mode:
  setx  L2CS_PA0, %l6, %g1
  mov   0x2, %l0
  stx   %l0, [%g1]
  set   0x100,%l1
  add   %g1,%l1,%g1
  stx   %l0, [%g1]


check_th1_out_of_boot_code:
  set  0x20040100, %g3
  ldx  [%g3],%l2
  membar #Sync
  set  0x11,%l1
  cmp  %l1,%l2
  bne  check_th1_out_of_boot_code
  nop


store_to_L2:
  setx  TEST_DATA1, %l0, %g5

store_to_L2_way0:
  set   0x2000aa08, %g2
  stx %g5, [%g2]
  membar #Sync

  set 0x1e,%l1
  clr %l2
loop:
  inc %l2
  cmp %l1,%l2
  bne loop
  nop

L2_diag_load:
  set  0x3ffff8, %l2      ! Mask for extracting [21:3]
  setx  L2_ENTRY_PA, %l0, %g4
  and   %g2, %l2, %g5
  or    %g5, %g4, %g5
  ldx   [%g5], %g6
  membar #Sync

! Flip two  bits
  xor    %g6, 0x600, %g6
  stx   %g6, [%g5]
  membar #Sync

  set 0x1e,%l1
  clr %l2
loop1:
  inc %l2
  cmp %l1,%l2
  bne loop1
  nop


reading_back_0:
  set  0x2000aa00, %g2
  ldx   [%g2], %l6
  membar #Sync

  set 0x1e,%l1
  clr %l2
loop2:
  inc %l2
  cmp %l1,%l2
  bne loop2
  nop


indicate_err_injected:
  set  0x200c0100, %g3
  set   0x222,%l2
  stx   %l2,[%g3]


check_dataAc_err_trap:
  ! Check if a Software Recoverable Error Trap happened
  set   EXECUTED, %l0
  cmp   %o0, %l0
  bne   test_fail
  nop
  mov   TT_Data_Access_Error, %l0
  cmp   %o1, %l0
  bne   test_fail
  nop


compute_error:
  mov   0x1, %l1
  sllx  %l1, L2ES_LDAU, %l7
  sllx  %l1, L2ES_VEU, %l3
  or    %l7, %l3, %l7
  sllx  %l1, L2ES_MEU, %l3
  or    %l7, %l3, %l7

check_l2_ESR:
  setx  L2ES_PA0, %l6, %g1
  ldx   [%g1], %l4
  membar #Sync

! Not Checking SYND in this test
  set  0xffffffff, %l3
  andn   %l4, %l3, %l4
  cmp   %l7,  %l4
  bne test_fail
  nop
  nop


check_l2_EAR:
  setx  L2EA_PA0, %l6, %l3
  ldx   [%l3], %l4
  membar #Sync

  ba    test_pass
nop

! Thread 1 starts here
/*********** Thread 1 *********/

L21_Init:


indicate_out_of_boot:
  set  0x20040100, %g3
  set   0x11,%l2
  stx   %l2,[%g3]

check_th0_err_injected:
  set  0x200c0100, %g3
  ldx  [%g3],%l2
  membar #Sync
  set  0x222,%l1
  cmp  %l1,%l2
  bne  check_th0_err_injected
  nop

reading_back_th1:
  set  0x2000aa08, %g2
  ldx   [%g2], %l6
  membar #Sync

 set 0x1e,%l1
  clr %l2
loop3:
  inc %l2
  cmp %l1,%l2
  bne loop3
  nop

check_dataAc_err_trap_th1:
  ! Check if a Software Recoverable Error Trap happened
  set   EXECUTED, %l0
  cmp   %o0, %l0
  bne   test_fail
  nop
  mov   TT_Data_Access_Error, %l0
  cmp   %o1, %l0
  bne   test_fail
  nop

compute_error_th1:
  mov   0x1, %l1
  sllx  %l1, L2ES_LDAU, %l7
  sllx  %l1, L2ES_VEU, %l3
  or    %l7, %l3, %l7
  sllx  %l1, L2ES_MEU, %l3
  or    %l7, %l3, %l7

check_l2_ESR_th1:
  setx  L2ES_PA0, %l6, %g1
  ldx   [%g1], %l4
  membar #Sync

! Not Checking SYND in this test
  set  0xffffffff, %l3
  andn   %l4, %l3, %l4
  cmp   %l7,  %l4
  bne test_fail
  nop
  nop


check_l2_EAR_th1:
  setx  L2EA_PA0, %l6, %l3
  ldx   [%l3], %l4
  membar #Sync


  ba    test_pass
  nop


/*******************************************************
 * Exit code
 *******************************************************/

test_pass:
ta  T_GOOD_TRAP

test_fail:
ta  T_BAD_TRAP