URL
https://opencores.org/ocsvn/amber/amber/trunk
Subversion Repositories amber
[/] [amber/] [trunk/] [hw/] [tests/] [inflate_bug.S] - Rev 20
Go to most recent revision | Compare with Previous | Blame | View Log
/*****************************************************************
// //
// Amber 2 Core Instruction Test //
// //
// This file is part of the Amber project //
// http://www.opencores.org/project,amber //
// //
// Description //
// A load store sequence was found to not execute correctly. //
// //
// 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:
@ setup
mov r9, #4
ldr lr, =Data2
add lr, lr, #2
@ -------------------------------------
@ Replicated code from Linux Kernel
@ -------------------------------------
ldr r2, Data1
ldr r3, [lr, #4]
ldr r1, [r2]
strb r3, [r1, r9]
@ -------------------------------------
@ Check correct value was saved
@ -------------------------------------
ldrb r6, [r1, r9]
cmp r6, #0x22
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
AdrFrame: .word 0x400
AdrDataBase: .word Data1
Data1: .word Data4
Data2: .word 0x7777aaaa
Data3: .word 0x11225566
Data4: .word Data5
Data5: .word 0x33448899
Expected: .word 0x71f8
/* ========================================================================= */
/* ========================================================================= */
Go to most recent revision | Compare with Previous | Blame | View Log