arch/arm/src/mps/mps_irq.h

/****************************************************************************
 * arch/arm/src/mps/mps_irq.h
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

#ifndef __ARCH_ARM_SRC_MPS_MPS_IRQ_H
#define __ARCH_ARM_SRC_MPS_MPS_IRQ_H

/****************************************************************************
 * Public Function Prototypes
 ****************************************************************************/

/* IRQ numbers.
 * The IRQ number corresponds vector number and hence map directly to bits
 * in the NVIC.  This does, however, waste several words of memory in the
 * IRQ to handle mapping tables.
 */

/* Processor Exceptions (vectors 0-15) */

#define MPS_IRQ_RESERVED              (0) /* Reserved vector (only used with CONFIG_DEBUG_FEATURES) */
                                          /* Vector  0: Reset stack pointer value */
                                          /* Vector  1: Reset (not handler as an IRQ) */
#define MPS_IRQ_NMI                   (2) /* Vector  2: Non-Maskable Interrupt (NMI) */
#define MPS_IRQ_HARDFAULT             (3) /* Vector  3: Hard fault */
#define MPS_IRQ_MEMFAULT              (4) /* Vector  4: Memory management (MPU) */
#define MPS_IRQ_BUSFAULT              (5) /* Vector  5: Bus fault */
#define MPS_IRQ_USAGEFAULT            (6) /* Vector  6: Usage fault */
                                          /* Vectors 7-10: Reserved */
#define MPS_IRQ_SVCALL               (11) /* Vector 11: SVC call */
#define MPS_IRQ_DBGMONITOR           (12) /* Vector 12: Debug Monitor */
                                          /* Vector 13: Reserved */
#define MPS_IRQ_PENDSV               (14) /* Vector 14: Pendable system service request */
#define MPS_IRQ_SYSTICK              (15) /* Vector 15: System tick */

#define MPS_IRQ_FIRST                (16) /* Vector number of the first external interrupt */

#define NVIC_SYSH_PRIORITY_DEFAULT (0x80) /* Midpoint is the default */

#ifndef __ASSEMBLY__

#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif

#undef EXTERN
#if defined(__cplusplus)
}
#endif

#endif /* __ASSEMBLY__ */
#endif /* __ARCH_ARM_SRC_MPS_MPS_IRQ_H */