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/*************************************************************************** |
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* Copyright (C) 2010 by Spencer Oliver * |
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* spen@spen-soft.co.uk * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the * |
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* Free Software Foundation, Inc., * |
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
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***************************************************************************/ |
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/* |
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parameters: |
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r0 - address in |
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r1 - byte count |
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r2 - mask - result out |
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*/ |
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.text |
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.arm |
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loop: |
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ldrb r3, [r0], #1 |
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and r2, r2, r3 |
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subs r1, r1, #1 |
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bne loop |
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end: |
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bkpt #0 |
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CRC32XOR: .word 0x04c11db7 |
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.end |