/* * ========== Copyright Header Begin ========================================== * * OpenSPARC T2 Processor File: ncu_bank_en_wptect.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_NUCLEUS_ALSO #define MAIN_PAGE_HV_ALSO #include "hboot.s" #include "asi_s.h" #ifndef BANK_AVAIL #define BANK_AVAIL 0xff #endif .text .global main main: ta T_CHANGE_HPRIV get_th_id: ta T_RD_THID wr %g0,ASI_CMP_CORE,%asi ! Testing settings from last core ! Check that bank_avail and bank_enable are correct setx 0x8000001018,%g7,%g2 ldx [%g2],%g4 setx BANK_AVAIL,%g7,%g2 cmp %g2,%g4 bne test_fail nop setx 0x8000001020,%g7,%g2 ldx [%g2],%g4 setx 0xffffff0000,%g7,%g3 lduw [%g3],%g5 cmp %o1,0x0 bne all_th nop setx BANK_AVAIL,%g7,%g5 all_th: cmp %g4,%g5 bne test_fail nop ! Last core - quit cmp %o1,24 be test_pass nop ! Program bank_enable set 0xff,%g7 xor %g7,%o1,%g6 stx %g6,[%g2] ! Save it in memory setx BANK_AVAIL,%g7,%g2 and %g6,%g2,%g6 stw %g6,[%g3] lduw [%g3],%g6 ! Turn on next core setx 0x000000000000ff00,%g7,%g1 sllx %g1,%o1,%g1 stxa %g1,[ASI_CMP_CORE_ENABLE]%asi setx 0x8900000808,%g7,%g2 set 0x1,%g1 stx %g1,[%g2] halt: ba halt nop /****************************************************** * Exit code *******************************************************/ test_pass: EXIT_GOOD test_fail: EXIT_BAD