72 lines
1.8 KiB
ArmAsm
72 lines
1.8 KiB
ArmAsm
/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT 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 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT 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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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.section vectors
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.code 32
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.balign 4
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/*
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* System entry points.
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*/
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_start:
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ldr pc, _reset
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ldr pc, _undefined
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ldr pc, _swi
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ldr pc, _prefetch
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ldr pc, _abort
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nop
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ldr pc, [pc,#-0xFF0] /* VIC - IRQ Vector Register */
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ldr pc, _fiq
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_reset:
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.word ResetHandler /* In crt0.s */
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_undefined:
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.word UndHandler
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_swi:
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.word SwiHandler
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_prefetch:
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.word PrefetchHandler
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_abort:
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.word AbortHandler
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_fiq:
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.word FiqHandler
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.word 0
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.word 0
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/*
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* Default exceptions handlers. The handlers are declared weak in order to be
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* replaced by the real handling code. Everything is defaulted to an infinite
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* loop.
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*/
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.weak UndHandler
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UndHandler:
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.weak SwiHandler
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SwiHandler:
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.weak PrefetchHandler
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PrefetchHandler:
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.weak AbortHandler
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AbortHandler:
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.weak FiqHandler
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FiqHandler:
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.loop: b .loop
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