Add IRQ vectors for LPC2xxx.

[bertos.git] / bertos / cpu / arm / hw / vectors_lpc2.S

diff --git a/bertos/cpu/arm/hw/vectors_lpc2.S b/bertos/cpu/arm/hw/vectors_lpc2.S
new file mode 100644 (file)
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+++ b/bertos/cpu/arm/hw/vectors_lpc2.S
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+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos 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 program 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
+ *
+ * -->
+ *
+ * \author Francesco Sacchi <batt@develer.com>
+ *
+ * \brief NXP LPC2xxx interrupt vectors.
+ */
+
+/*
+ * Section 0: Vector table and reset entry.
+ */
+        .section .vectors,"ax",%progbits
+
+        .global __vectors
+__vectors:
+        ldr     pc, _init            /* Reset */
+        ldr     pc, _undef           /* Undefined instruction */
+        ldr     pc, _swi             /* Software interrupt */
+        ldr     pc, _prefetch_abort  /* Prefetch abort */
+        ldr     pc, _data_abort      /* Data abort */
+        .word  0                    /* In LPX2xxx, this location holds the checksum of the previous vectors */
+
+        ldr     pc, [pc, #-0xFF0]    /* Use VIC */
+        ldr     pc, _fiq            /* Fast interrupt request */
+_init:
+        .word   __init
+_undef:
+        .word   __undef
+_swi:
+        .word   __swi
+_prefetch_abort:
+        .word   __prefetch_abort
+_data_abort:
+        .word   __data_abort
+_fiq:
+       .word   __fiq
+
+       .weak   __fiq
+__fiq:
+       b       __fiq
+
+        .ltorg