/* * ========== Copyright Header Begin ========================================== * * OpenSPARC T2 Processor File: n2_ras_vec_mcu_dsc_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 H_HT0_Hw_Corrected_Error_0x63 My_Corrected_ECC_error_trap #define MAIN_PAGE_NUCLEUS_ALSO #define MAIN_PAGE_HV_ALSO #define TEST_DATA1 0x2000200081c3e008 #ifdef MCU0 #define L2_BANK_ADDR 0x0 #define MCU_BANK_ADDR 0x0 #define DRAM_ERR_INJ_REG 0x8400000290 #define DRAM_ERR_STAT_REG 0x8400000280 #define DRAM_ERR_ADDR_REG 0x8400000288 #define DRAM_SCRB_FREQ_REG 0x8400000018 #define DRAM_SCRB_ENB_REG 0x8400000040 #define L2_ERR_STAT_REG 0xAB00000000 #endif #ifdef MCU1 #define L2_BANK_ADDR 0x80 #define MCU_BANK_ADDR 0x80 #define DRAM_ERR_INJ_REG 0x8400001290 #define DRAM_ERR_STAT_REG 0x8400001280 #define DRAM_ERR_ADDR_REG 0x8400001288 #define DRAM_SCRB_FREQ_REG 0x8400001018 #define DRAM_SCRB_ENB_REG 0x8400001040 #define L2_ERR_STAT_REG 0xAB00000080 #endif #ifdef MCU2 #define L2_BANK_ADDR 0x100 #define MCU_BANK_ADDR 0x100 #define DRAM_ERR_INJ_REG 0x8400002290 #define DRAM_ERR_STAT_REG 0x8400002280 #define DRAM_ERR_ADDR_REG 0x8400002288 #define DRAM_SCRB_FREQ_REG 0x8400002018 #define DRAM_SCRB_ENB_REG 0x8400002040 #define L2_ERR_STAT_REG 0xAB00000100 #endif #ifdef MCU3 #define L2_BANK_ADDR 0x180 #define MCU_BANK_ADDR 0x180 #define DRAM_ERR_INJ_REG 0x8400003290 #define DRAM_ERR_STAT_REG 0x8400003280 #define DRAM_ERR_ADDR_REG 0x8400003288 #define DRAM_SCRB_FREQ_REG 0x8400003018 #define DRAM_SCRB_ENB_REG 0x8400003040 #define L2_ERR_STAT_REG 0xAB00000180 #endif #include "hboot.s" #include "asi_s.h" #include "err_defines.h" .text .global main .global My_Corrected_ECC_error_trap main: ta T_CHANGE_HPRIV clr %o0 clr %o1 disable_l1: ldxa [%g0] ASI_LSU_CONTROL, %l0 ! Remove the lower 2 bits (I-Cache and D-Cache enables) andn %l0, 0x3, %l0 stxa %l0, [%g0] ASI_LSU_CONTROL set_DRAM_scrub_frequency: setx DRAM_SCRB_FREQ_REG, %l0, %l1 mov 0x1, %l0 stx %l0, [%l1] membar #Sync enable_err_reporting: setx L2EE_PA0, %l0, %l1 add %l1, L2_BANK_ADDR, %l1 ldx [%l1], %l2 mov 0x3, %l0 or %l2, %l0, %l2 stx %l2, [%l1] membar #Sync set_DRAM_error_inject_ch0: set 0x9012, %l1 ! ECC Mask (1-bit error) mov 0x1, %l2 sllx %l2, DRAM_EI_SSHOT, %l3 Or %l1, %l3, %l1 ! Set single shot ; mov 0x1, %l2 sllx %l2, DRAM_EI_ENB, %l3 or %l1, %l3, %l1 ! Enable error injection for the next write setx DRAM_ERR_INJ_REG, %l3, %g6 ! add %g6, MCU_BANK_ADDR, %g6 stx %l1, [%g6] membar 0x40 store_to_L2: setx TEST_DATA1, %l0, %g5 set_L2_Directly_Mapped_Mode_errorsteer: setx L2CS_PA0, %l6, %g1 add %g1, L2_BANK_ADDR, %g1 ldx [%g1], %o6 mov 0x2, %o5 ! L2_CSR_REG<1>=1 => DM mode ldxa [%g0]ASI_INTR_ID, %o4 ! get the thread id; for core-portable sllx %o4, 15, %o4 ! L2_CSR_REG<21:15> = ERROR_STEER or %o5, %o4, %o5 or %o6, %o5, %o6 stx %o6, [%g1] membar 0x40 store_to_L2_way0: setx 0x002000, %l0, %g2 ! bits [21:18] select way add %g2, L2_BANK_ADDR, %g2 stx %g5, [%g2] stx %g5, [%g2+8] membar #Sync ! Storing to same L2 way0 but different tag,this will write to mcu write_mcu_channel_0: setx 0x21002000, %l0, %g3 ! bits [21:18] select way add %g3, L2_BANK_ADDR, %g3 stx %g5, [%g3] ! stx %g5, [%g3+8] membar #Sync enable_DRAM_scrub: setx DRAM_SCRB_ENB_REG, %l0, %l1 mov 0x1, %l0 stx %l0, [%l1] membar #Sync setx 0x22002000, %l0, %g3 ! bits [21:18] select way add %g3, L2_BANK_ADDR, %g3 ! 01/07/07: cause fill from the appropreate mcu clr %i5 Nops: cmp %o0, %g0 bne %xcc, check_error_trap nop ldx [%g3], %g1 ! cause a fill nop; nop; nop nop; nop; nop nop; nop; nop nop; nop; nop nop; nop; nop nop; nop; nop nop; nop; nop nop; nop; nop nop; nop; nop nop; nop; nop nop; nop; nop nop; nop; nop add %g3, 0x200, %g3 inc %i5 cmp %i5, 0x200 bne Nops nop check_error_trap: setx EXECUTED, %l1, %l0 cmp %o0, %l0 bne test_fail nop mov TT_Corrected_ECC, %l0 cmp %o1, %l0 bne test_fail nop ba test_pass nop /**************** Trap Handler *******************/ My_Corrected_ECC_error_trap: ! Signal trap taken setx EXECUTED, %l0, %o0 ! save trap type value rdpr %tt, %o1 check_l2esr: setx L2_ERR_STAT_REG, %g7, %g1 ldx [%g1], %g2 setx 0xf03fffffffffffff, %g7, %g4 ! take out VCID check and %g2, %g4, %g2 setx 0x4000000000, %g7, %g3 cmp %g2, %g3 bne %xcc, test_fail nop check_mcuesr: setx DRAM_ERR_STAT_REG, %g7, %g1 ldx [%g1], %g2 setx 0x800000000009012, %g7, %g3 !SYND =0x2; DSC cmp %g2, %g3 bne %xcc, test_fail nop check_DESR: ldxa [%g0] 0x4c, %g2 setx 0x8900000000000000, %g7, %g3 cmp %g2, %g3 bne %xcc, test_fail nop check_mcu_EAR: ! setx 0x8400000288, %l1, %g1 setx DRAM_ERR_ADDR_REG, %g7, %g1 ldx [%g1], %g2 setx 0x2000, %l1, %g3 ! cmp %g2, %g3 ! bne %xcc, test_fail nop retry nop ba test_pass nop /******************************************************* * Exit code *******************************************************/ test_pass: ta T_GOOD_TRAP test_fail: ta T_BAD_TRAP