/* * ========== Copyright Header Begin ========================================== * * OpenSPARC T2 Processor File: tso_n1_membar1.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 srcaddr %l0 #define dstaddr %l1 #define count %l2 ! Define number of 64 byte subblocks to copy #define SBLKS 128 ! How far ahead is the prefetch stream (in subblocks) #define FETCH_AHEAD 8 #include "hboot.s" .global main .text main: setup_addresses: setx out_stream, %g2, dstaddr add %g0, 0x10, %i0 add %i0, 1, %i1 add %i0, 1, %i2 add %i0, 1, %i3 add %i0, 1, %i4 add %i0, 1, %i5 add %i0, 1, %i6 add %i0, 1, %i7 set 0x10, %l3 loop: st %i0, [dstaddr + 0x0] membar #Sync dec %l3 brnz %l3, loop nop ld [dstaddr + 0x0], %i0 ta GOOD_TRAP user_text_end: !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! .global out_stream .data .align 0x40 user_data_start: .skip 192 out_stream: init_mem(0x11111111, SBLKS*16, 4, +, 0, +, 0) user_data_end: