| 1 |
2 |
csantifort |
/*****************************************************************
|
| 2 |
|
|
// //
|
| 3 |
|
|
// Amber 2 Core Instruction Test //
|
| 4 |
|
|
// //
|
| 5 |
|
|
// This file is part of the Amber project //
|
| 6 |
|
|
// http://www.opencores.org/project,amber //
|
| 7 |
|
|
// //
|
| 8 |
|
|
// Description //
|
| 9 |
|
|
// Bug broke an instruction read immediately after a swp //
|
| 10 |
|
|
// instruction. //
|
| 11 |
|
|
// //
|
| 12 |
|
|
// Author(s): //
|
| 13 |
|
|
// - Conor Santifort, csantifort.amber@gmail.com //
|
| 14 |
|
|
// //
|
| 15 |
|
|
//////////////////////////////////////////////////////////////////
|
| 16 |
|
|
// //
|
| 17 |
|
|
// Copyright (C) 2010 Authors and OPENCORES.ORG //
|
| 18 |
|
|
// //
|
| 19 |
|
|
// This source file may be used and distributed without //
|
| 20 |
|
|
// restriction provided that this copyright statement is not //
|
| 21 |
|
|
// removed from the file and that any derivative work contains //
|
| 22 |
|
|
// the original copyright notice and the associated disclaimer. //
|
| 23 |
|
|
// //
|
| 24 |
|
|
// This source file is free software; you can redistribute it //
|
| 25 |
|
|
// and/or modify it under the terms of the GNU Lesser General //
|
| 26 |
|
|
// Public License as published by the Free Software Foundation; //
|
| 27 |
|
|
// either version 2.1 of the License, or (at your option) any //
|
| 28 |
|
|
// later version. //
|
| 29 |
|
|
// //
|
| 30 |
|
|
// This source is distributed in the hope that it will be //
|
| 31 |
|
|
// useful, but WITHOUT ANY WARRANTY; without even the implied //
|
| 32 |
|
|
// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR //
|
| 33 |
|
|
// PURPOSE. See the GNU Lesser General Public License for more //
|
| 34 |
|
|
// details. //
|
| 35 |
|
|
// //
|
| 36 |
|
|
// You should have received a copy of the GNU Lesser General //
|
| 37 |
|
|
// Public License along with this source; if not, download it //
|
| 38 |
|
|
// from http://www.opencores.org/lgpl.shtml //
|
| 39 |
|
|
// //
|
| 40 |
|
|
*****************************************************************/
|
| 41 |
|
|
|
| 42 |
|
|
#include "amber_registers.h"
|
| 43 |
|
|
|
| 44 |
|
|
.section .text
|
| 45 |
|
|
.globl main
|
| 46 |
|
|
main:
|
| 47 |
|
|
|
| 48 |
|
|
@ setup
|
| 49 |
|
|
ldr r5, Data
|
| 50 |
|
|
mov r0, #0
|
| 51 |
|
|
str r0, [r5]
|
| 52 |
|
|
|
| 53 |
|
|
|
| 54 |
|
|
@ ------------------------------
|
| 55 |
|
|
mov r3, #1
|
| 56 |
|
|
mov r0, r5
|
| 57 |
|
|
mov r2, r3
|
| 58 |
|
|
|
| 59 |
|
|
swp r1, r2, [r0]
|
| 60 |
|
|
cmp r1, #1
|
| 61 |
|
|
movcc r2, #0
|
| 62 |
|
|
swphi r2, r1, [r0]
|
| 63 |
|
|
cmp r2, #0
|
| 64 |
|
|
bne testfail
|
| 65 |
|
|
|
| 66 |
|
|
|
| 67 |
|
|
b testpass
|
| 68 |
|
|
|
| 69 |
|
|
testfail:
|
| 70 |
|
|
ldr r11, AdrTestStatus
|
| 71 |
|
|
str r10, [r11]
|
| 72 |
|
|
b testfail
|
| 73 |
|
|
|
| 74 |
|
|
testpass:
|
| 75 |
|
|
ldr r11, AdrTestStatus
|
| 76 |
|
|
mov r10, #17
|
| 77 |
|
|
str r10, [r11]
|
| 78 |
|
|
b testpass
|
| 79 |
|
|
|
| 80 |
|
|
|
| 81 |
|
|
/* Write 17 to this address to generate a Test Passed message */
|
| 82 |
|
|
AdrTestStatus: .word ADR_AMBER_TEST_STATUS
|
| 83 |
|
|
Data: .word 0x0011b5c4
|
| 84 |
|
|
|
| 85 |
|
|
|
| 86 |
|
|
/* ========================================================================= */
|
| 87 |
|
|
/* ========================================================================= */
|
| 88 |
|
|
|
| 89 |
|
|
|
