diff options
Diffstat (limited to 'os/ports/GCC/ARM7/AT91SAM7/vectors.s')
| -rw-r--r-- | os/ports/GCC/ARM7/AT91SAM7/vectors.s | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/os/ports/GCC/ARM7/AT91SAM7/vectors.s b/os/ports/GCC/ARM7/AT91SAM7/vectors.s new file mode 100644 index 000000000..29271daf1 --- /dev/null +++ b/os/ports/GCC/ARM7/AT91SAM7/vectors.s @@ -0,0 +1,74 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT 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 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+.section vectors
+.code 32
+.balign 4
+/*
+ * System entry points.
+ */
+_start:
+ ldr pc, _reset
+ ldr pc, _undefined
+ ldr pc, _swi
+ ldr pc, _prefetch
+ ldr pc, _abort
+ nop
+ ldr pc, [pc,#-0xF20] /* AIC - AIC_IVR */
+ ldr pc, [pc,#-0xF20] /* AIC - AIC_FVR */
+
+_reset:
+ .word ResetHandler /* In crt0.s */
+_undefined:
+ .word UndHandler
+_swi:
+ .word SwiHandler
+_prefetch:
+ .word PrefetchHandler
+_abort:
+ .word AbortHandler
+ .word 0
+ .word 0
+ .word 0
+
+.text
+.code 32
+.balign 4
+
+/*
+ * Default exceptions handlers. The handlers are declared weak in order to be
+ * replaced by the real handling code. Everything is defaulted to an infinite
+ * loop.
+ */
+.weak UndHandler
+UndHandler:
+
+.weak SwiHandler
+SwiHandler:
+
+.weak PrefetchHandler
+PrefetchHandler:
+
+.weak AbortHandler
+AbortHandler:
+
+.weak FiqHandler
+FiqHandler:
+
+.loop: b .loop
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