diff options
Diffstat (limited to 'os/ports/GCC/ARM/AT91SAM7')
-rw-r--r-- | os/ports/GCC/ARM/AT91SAM7/armparams.h | 55 | ||||
-rw-r--r-- | os/ports/GCC/ARM/AT91SAM7/vectors.s | 31 |
2 files changed, 85 insertions, 1 deletions
diff --git a/os/ports/GCC/ARM/AT91SAM7/armparams.h b/os/ports/GCC/ARM/AT91SAM7/armparams.h new file mode 100644 index 000000000..8b53605ea --- /dev/null +++ b/os/ports/GCC/ARM/AT91SAM7/armparams.h @@ -0,0 +1,55 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 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/>.
+*/
+
+/**
+ * @file ARM/AT91SAM7/armparams.h
+ * @brief ARM7 AT91SAM7 Specific Parameters.
+ *
+ * @defgroup ARM_AT91SAM7 AT91SAM7 Specific Parameters
+ * @ingroup ARM_SPECIFIC
+ * @details This file contains the ARM specific parameters for the
+ * AT91SAM7 platform.
+ * @{
+ */
+
+#ifndef _ARMPARAMS_H_
+#define _ARMPARAMS_H_
+
+/**
+ * @brief ARM core model.
+ */
+#define ARM_CORE ARM_CORE_ARM7TDMI
+
+/**
+ * @brief AT91SAM7-specific wait for interrupt.
+ * @details This implementation writes 1 into the PMC_SCDR register.
+ */
+#if !defined(port_wait_for_interrupt) || defined(__DOXYGEN__)
+#if ENABLE_WFI_IDLE || defined(__DOXYGEN__)
+#define port_wait_for_interrupt() { \
+ (*((volatile uint32_t *)0xFFFFFC04)) = 1; \
+}
+#else
+#define port_wait_for_interrupt()
+#endif
+#endif
+
+#endif /* _ARMPARAMS_H_ */
+
+/** @} */
diff --git a/os/ports/GCC/ARM/AT91SAM7/vectors.s b/os/ports/GCC/ARM/AT91SAM7/vectors.s index ee0c01a19..f27ecd0dd 100644 --- a/os/ports/GCC/ARM/AT91SAM7/vectors.s +++ b/os/ports/GCC/ARM/AT91SAM7/vectors.s @@ -17,6 +17,29 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+/**
+ * @file ARM/AT91SAM7/vectors.s
+ * @brief Interrupt vectors for the AT91SAM7 family.
+ *
+ * @defgroup ARM_AT91SAM7_VECTORS AT91SAM7 Interrupt Vectors
+ * @ingroup ARM_SPECIFIC
+ * @details Interrupt vectors for the AT91SAM7 family.
+ * @{
+ */
+
+#if defined(__DOXYGEN__)
+/**
+ * @brief Unhandled exceptions handler.
+ * @details Any undefined exception vector points to this function by default.
+ * This function simply stops the system into an infinite loop.
+ *
+ * @notapi
+ */
+void _unhandled_exception(void) {}
+#endif
+
+#if !defined(__DOXYGEN__)
+
.section vectors
.code 32
.balign 4
@@ -71,4 +94,10 @@ AbortHandler: .weak FiqHandler
FiqHandler:
-.loop: b .loop
+.global _unhandled_exception
+_unhandled_exception:
+ b _unhandled_exception
+
+#endif
+
+/** @} */
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