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/*****************************************************************
//                                                              //
//  Amber 2 Core Instruction Test                               //
//                                                              //
//  This file is part of the Amber project                      //
//  http://www.opencores.org/project,amber                      //
//                                                              //
//  Description                                                 //
//  Tests lsl, ror                                              //
//                                                              //
//  Author(s):                                                  //
//      - Conor Santifort, csantifort.amber@gmail.com           //
//                                                              //
//////////////////////////////////////////////////////////////////
//                                                              //
// Copyright (C) 2010 Authors and OPENCORES.ORG                 //
//                                                              //
// This source file may be used and distributed without         //
// restriction provided that this copyright statement is not    //
// removed from the file and that any derivative work contains  //
// the original copyright notice and the associated disclaimer. //
//                                                              //
// This source file is free software; you can redistribute it   //
// and/or modify it under the terms of the GNU Lesser General   //
// Public License as published by the Free Software Foundation; //
// either version 2.1 of the License, or (at your option) any   //
// later version.                                               //
//                                                              //
// This source 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 Lesser General Public License for more //
// details.                                                     //
//                                                              //
// You should have received a copy of the GNU Lesser General    //
// Public License along with this source; if not, download it   //
// from http://www.opencores.org/lgpl.shtml                     //
//                                                              //
*****************************************************************/
 
#include "amber_registers.h"
 
        .section .text
        .globl  main
main:
 
/* lsl 0 */
        mov     r1, #1
        mov     r2, r1, lsl #0
        mov     r3, #0x1
        cmp     r2, r3
        bne     testfail
 
/* lsl 1 */
        mov     r4, #1
        mov     r5, r4, lsl #1
        mov     r6, #2
        cmp     r5, r6
        bne     testfail
 
/* lsl 31 */
        mov     r7, #1
        mov     r8, r1, lsl #31
        mov     r9, #0x80000000
        cmp     r8, r9
        bne     testfail
 
/* lsr 1 */
        mov     r1, #2
        mov     r2, r1, lsr #1
        mov     r3, #0x1
        cmp     r2, r3
        bne     testfail
 
/* lsr 8 */
        mov     r4, #0xff00
        mov     r5, r4, lsr #8
        cmp     r5, #0xff
        bne     testfail
 
/* ror 8 */
        ldr     r6, Data1
        mov     r7, r6, ror #8
        ldr     r8, Data2
        cmp     r7, r8
        bne     testfail
 
 
        b       testpass
 
 
testfail:
        ldr     r11, AdrTestStatus
        str     r10, [r11]
        b       testfail
 
testpass:
        ldr     r11, AdrTestStatus
        mov     r10, #17
        str     r10, [r11]
        b       testpass
 
 
/* Write 17 to this address to generate a Test Passed message */
AdrTestStatus:  .word  ADR_AMBER_TEST_STATUS
Data1:          .word  0x12345678
Data2:          .word  0x78123456
 
/* ========================================================================= */
/* ========================================================================= */
 
 

Line No.	Rev	Author	Line
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			`// Tests lsl, ror //`
10			`// //`
11			`// Author(s): //`
12			`// - Conor Santifort, csantifort.amber@gmail.com //`
13			`// //`
14			`//////////////////////////////////////////////////////////////////`
15			`// //`
16			`// Copyright (C) 2010 Authors and OPENCORES.ORG //`
17			`// //`
18			`// This source file may be used and distributed without //`
19			`// restriction provided that this copyright statement is not //`
20			`// removed from the file and that any derivative work contains //`
21			`// the original copyright notice and the associated disclaimer. //`
22			`// //`
23			`// This source file is free software; you can redistribute it //`
24			`// and/or modify it under the terms of the GNU Lesser General //`
25			`// Public License as published by the Free Software Foundation; //`
26			`// either version 2.1 of the License, or (at your option) any //`
27			`// later version. //`
28			`// //`
29			`// This source is distributed in the hope that it will be //`
30			`// useful, but WITHOUT ANY WARRANTY; without even the implied //`
31			`// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR //`
32			`// PURPOSE. See the GNU Lesser General Public License for more //`
33			`// details. //`
34			`// //`
35			`// You should have received a copy of the GNU Lesser General //`
36			`// Public License along with this source; if not, download it //`
37			`// from http://www.opencores.org/lgpl.shtml //`
38			`// //`
39			`*****************************************************************/`
40
41			`#include "amber_registers.h"`
42
43			`.section .text`
44			`.globl main`
45			`main:`
46
47			`/* lsl 0 */`
48			`mov r1, #1`
49			`mov r2, r1, lsl #0`
50			`mov r3, #0x1`
51			`cmp r2, r3`
52			`bne testfail`
53
54			`/* lsl 1 */`
55			`mov r4, #1`
56			`mov r5, r4, lsl #1`
57			`mov r6, #2`
58			`cmp r5, r6`
59			`bne testfail`
60
61			`/* lsl 31 */`
62			`mov r7, #1`
63			`mov r8, r1, lsl #31`
64			`mov r9, #0x80000000`
65			`cmp r8, r9`
66			`bne testfail`
67
68			`/* lsr 1 */`
69			`mov r1, #2`
70			`mov r2, r1, lsr #1`
71			`mov r3, #0x1`
72			`cmp r2, r3`
73			`bne testfail`
74
75			`/* lsr 8 */`
76			`mov r4, #0xff00`
77			`mov r5, r4, lsr #8`
78			`cmp r5, #0xff`
79			`bne testfail`
80
81			`/* ror 8 */`
82			`ldr r6, Data1`
83			`mov r7, r6, ror #8`
84			`ldr r8, Data2`
85			`cmp r7, r8`
86			`bne testfail`
87
88
89			`b testpass`
90
91
92			`testfail:`
93			`ldr r11, AdrTestStatus`
94			`str r10, [r11]`
95			`b testfail`
96
97			`testpass:`
98			`ldr r11, AdrTestStatus`
99			`mov r10, #17`
100			`str r10, [r11]`
101			`b testpass`
102
103
104			`/* Write 17 to this address to generate a Test Passed message */`
105			`AdrTestStatus: .word ADR_AMBER_TEST_STATUS`
106			`Data1: .word 0x12345678`
107			`Data2: .word 0x78123456`
108
109			`/* ========================================================================= */`
110			`/* ========================================================================= */`
111
112

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[/] [amber/] [trunk/] [hw/] [tests/] [barrel_shift.S] - Blame information for rev 14