| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id: |
| * |
| * Copyright © 2009 Michael Sparmann |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ****************************************************************************/ |
| |
| .section .init.text, "ax", %progbits |
| .global _start |
| |
| _start: |
| mov r0, #0xD7 |
| msr CPSR_c, r0 @ Abort mode, IRQs/FIQs disabled |
| ldr sp, =_exception_stack |
| |
| mov r0, #0xDB |
| msr CPSR_c, r0 @ Undefined Instruction mode, IRQs/FIQs disabled |
| ldr sp, =_exception_stack |
| |
| mov r0, #0xD3 |
| msr CPSR_c, r0 @ Supervisor mode, IRQs/FIQs disabled |
| ldr sp, =_supervisor_stack |
| |
| MOV R0, #0x00050000 |
| ORR R0, #0x00000078 |
| MCR p15, 0, R0, c1, c0, 0 @ Get rid of some CPU "features" likely to cause trouble |
| |
| bl main |
| .ltorg |