/* * ========== Copyright Header Begin ========================================== * * OpenSPARC T2 Processor File: n2_err_ncu_peu_piord_eie.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 ENABLE_PCIE_LINK_TRAINING #define MAIN_PAGE_HV_ALSO #include "err_defines.h" #include "hboot.s" #include "peu_defines.h" #define IO_RD_ADDR mpeval((N2_PCIE_BASE_ADDR + (IOCFG_OFFSET_BASE_REG_DATA & 0x7fffffffffffffff)) | IO_ACCESS_PA) #define H_HT0_Data_access_Error_0x32 My_Data_access_error_trap /************************************************************************ Test case code start ************************************************************************/ .text .global main .global My_Data_access_error_trap main: ta T_CHANGE_HPRIV nop clear_esr_first: setx SOC_ESR_REG, %l7, %i0 stx %g0, [%i0] set_err_field: set 0x1, %i1 sllx %i1, ERR_FIELD, %i2 setx SOC_EIE_REG, %l7, %i3 set_eie: stx %i2, [%i3] membar 0x40 set_ejr: setx SOC_EJR_REG, %l7, %i3 stx %i2, [%i3] membar 0x40 pio: ! select an IO address in PCI address range and transmit the command to NCU setx IO_RD_ADDR, %g1, %g2 ! load byte - all byte offsets within an octlet ldub [%g2 + 1*8 + 0], %l0 setx 0x40, %l1, %g4 delay_loop: nop nop nop dec %g4 brnz %g4, delay_loop nop /****************************** Error Check ******************************/ err_check: nop check_esr: setx SOC_PER_REG, %l7, %i0 ldx [%i0], %i1 nop setx 0x8000000000000000, %l7, %o3 !valid bit set 0x1, %i2 sllx %i2, ERR_FIELD, %i3 or %i3, %o3, %i4 /* It will take trap whether EIE enabled or not as ld return data has the error bit set But if EIE is not set ESR data will not be copied to PER If EIE is set ESR data will be copied to ESR But for EIE set, ESR data might not be zero if followed by transaction again causes the error to be set; though in this case ESR should be zero as we dont have any following DMU PIO transaction, so no more error and esr is zero */ #ifdef EIE sub %i1, %g0, %i5 brnz %i5, test_failed nop #else sub %i1, %i4, %i5 brnz %i5, test_failed nop #endif check_per: setx SOC_PER_REG, %l7, %i0 ldx [%i0], %i1 nop #ifdef EIE sub %i1, %i4, %i5 brnz %i5, test_failed nop #else sub %i1, %g0, %i5 brnz %i5, test_failed nop #endif ! Check if a Corrected ECC Trap happened check_error_trap: setx EXECUTED, %l1, %l0 cmp %o0, %l0 bne test_fail nop mov TT, %l0 cmp %o1, %l0 bne test_fail nop /*************************************/ /********************************/ test_passed: EXIT_GOOD test_failed: EXIT_BAD My_Data_access_error_trap: ! Signal trap taken setx EXECUTED, %l0, %o0 ! save trap type value rdpr %tt, %o1 ba err_check nop /************************************************************************ Test case data start ************************************************************************/ SECTION .DATA DATA_VA=IO_RD_ADDR attr_data { Name = .DATA, hypervisor, compressimage } .data .xword 0xdeadbeefdeadbeef .xword 0x1101010101010101 .xword 0x0122010101010101 .xword 0x0101330101010101 .xword 0x0101014401010101 .xword 0x0101010155010101 .xword 0x0101010101660101 .xword 0x0101010101017701 .xword 0x0101010101010188 .xword 0x1122010101010101 .xword 0x0101334401010101 .xword 0x0101010155660101 .xword 0x0101010101017788 .xword 0x1122334401010101 .xword 0x0101010155667788 .xword 0xdeadbeefdeadbeef /************************************************************************/