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[/] [amber/] [trunk/] [hw/] [tests/] [cache2.S] - Blame information for rev 31

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/*****************************************************************
//                                                              //
//  Amber 2 Core Cache Test                                     //
//                                                              //
//  This file is part of the Amber project                      //
//  http://www.opencores.org/project,amber                      //
//                                                              //
//  Description                                                 //
//  Tests simple interactin between cached data and uncached    //
//  instruction accesses.                                       //
//                                                              //
//  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:
        @ ---------------------
        @ Enable the cache
        @ ---------------------
        mov     r0,  #0xffffffff
        mcr     15, 0, r0, cr3, cr0, 0   @ cacheable area
        mov     r0,  #1
        mcr     15, 0, r0, cr2, cr0, 0   @ cache enable
        nop
        nop
 
        mov     r1, #27
        ldr     r2, AdrData
        nop
        nop
        nop
        str     r1, [r2]
 
        nop
        nop
        nop
 
        ldr     r3, [r2]
        cmp     r1, r3
 
        movne   r10, #10
        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
Result:                     .word 3300
AdrData:                    .word Data
Data:                       .word 0
 
 
 
/* ========================================================================= */
/* ========================================================================= */
 

Line No.	Rev	Author	Line
1	2	csantifort	`/*****************************************************************`
2			`// //`
3			`// Amber 2 Core Cache Test //`
4			`// //`
5			`// This file is part of the Amber project //`
6			`// http://www.opencores.org/project,amber //`
7			`// //`
8			`// Description //`
9			`// Tests simple interactin between cached data and uncached //`
10			`// instruction accesses. //`
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			`@ Enable the cache`
49			`@ ---------------------`
50			`mov r0, #0xffffffff`
51	15	csantifort	`mcr 15, 0, r0, cr3, cr0, 0 @ cacheable area`
52	2	csantifort	`mov r0, #1`
53	15	csantifort	`mcr 15, 0, r0, cr2, cr0, 0 @ cache enable`
54	2	csantifort	`nop`
55			`nop`
56
57			`mov r1, #27`
58			`ldr r2, AdrData`
59			`nop`
60			`nop`
61			`nop`
62			`str r1, [r2]`
63
64			`nop`
65			`nop`
66			`nop`
67
68			`ldr r3, [r2]`
69			`cmp r1, r3`
70
71			`movne r10, #10`
72			`bne testfail`
73
74			`b testpass`
75			`@ ------------------------------------------`
76			`@ ------------------------------------------`
77
78			`testfail:`
79			`ldr r11, AdrTestStatus`
80			`str r10, [r11]`
81			`b testfail`
82
83			`testpass:`
84			`ldr r11, AdrTestStatus`
85			`mov r10, #17`
86			`str r10, [r11]`
87			`b testpass`
88
89
90
91			`/* Write 17 to this address to generate a Test Passed message */`
92			`AdrTestStatus: .word ADR_AMBER_TEST_STATUS`
93			`Result: .word 3300`
94			`AdrData: .word Data`
95			`Data: .word 0`
96
97
98
99			`/* ========================================================================= */`
100			`/* ========================================================================= */`
101

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[/] [amber/] [trunk/] [hw/] [tests/] [cache2.S] - Blame information for rev 31