projects / OpenSPARC-T2-DV / blame
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|---|---|---|
| 86530b38 AT |
1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== | |
| 3 | * | |
| 4 | * OpenSPARC T2 Processor File: tso_n1_membar1.s | |
| 5 | * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
| 6 | * 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
| 7 | * | |
| 8 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or modify | |
| 11 | * it under the terms of the GNU General Public License as published by | |
| 12 | * the Free Software Foundation; version 2 of the License. | |
| 13 | * | |
| 14 | * This program is distributed in the hope that it will be useful, | |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | * GNU General Public License for more details. | |
| 18 | * | |
| 19 | * You should have received a copy of the GNU General Public License | |
| 20 | * along with this program; if not, write to the Free Software | |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 22 | * | |
| 23 | * For the avoidance of doubt, and except that if any non-GPL license | |
| 24 | * choice is available it will apply instead, Sun elects to use only | |
| 25 | * the General Public License version 2 (GPLv2) at this time for any | |
| 26 | * software where a choice of GPL license versions is made | |
| 27 | * available with the language indicating that GPLv2 or any later version | |
| 28 | * may be used, or where a choice of which version of the GPL is applied is | |
| 29 | * otherwise unspecified. | |
| 30 | * | |
| 31 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 32 | * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 33 | * have any questions. | |
| 34 | * | |
| 35 | * | |
| 36 | * ========== Copyright Header End ============================================ | |
| 37 | */ | |
| 38 | #define srcaddr %l0 | |
| 39 | #define dstaddr %l1 | |
| 40 | #define count %l2 | |
| 41 | ||
| 42 | ! Define number of 64 byte subblocks to copy | |
| 43 | #define SBLKS 128 | |
| 44 | ||
| 45 | ! How far ahead is the prefetch stream (in subblocks) | |
| 46 | #define FETCH_AHEAD 8 | |
| 47 | ||
| 48 | #include "hboot.s" | |
| 49 | ||
| 50 | .global main | |
| 51 | ||
| 52 | .text | |
| 53 | main: | |
| 54 | setup_addresses: | |
| 55 | setx out_stream, %g2, dstaddr | |
| 56 | add %g0, 0x10, %i0 | |
| 57 | add %i0, 1, %i1 | |
| 58 | add %i0, 1, %i2 | |
| 59 | add %i0, 1, %i3 | |
| 60 | add %i0, 1, %i4 | |
| 61 | add %i0, 1, %i5 | |
| 62 | add %i0, 1, %i6 | |
| 63 | add %i0, 1, %i7 | |
| 64 | ||
| 65 | set 0x10, %l3 | |
| 66 | loop: | |
| 67 | st %i0, [dstaddr + 0x0] | |
| 68 | membar #Sync | |
| 69 | dec %l3 | |
| 70 | brnz %l3, loop | |
| 71 | nop | |
| 72 | ||
| 73 | ld [dstaddr + 0x0], %i0 | |
| 74 | ||
| 75 | ta GOOD_TRAP | |
| 76 | user_text_end: | |
| 77 | ||
| 78 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
| 79 | ||
| 80 | .global out_stream | |
| 81 | .data | |
| 82 | .align 0x40 | |
| 83 | user_data_start: | |
| 84 | .skip 192 | |
| 85 | out_stream: | |
| 86 | init_mem(0x11111111, SBLKS*16, 4, +, 0, +, 0) | |
| 87 | ||
| 88 | user_data_end: |