/****************************************************************************
 * arch/arm/include/lpc54xx/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.
 *
 ****************************************************************************/

/* This file should never be included directly but, rather,
 * only indirectly through nuttx/irq.h
 */

#ifndef __ARCH_ARM_INCLUDE_LPC54XX_IRQ_H
#define __ARCH_ARM_INCLUDE_LPC54XX_IRQ_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

#ifndef __ASSEMBLY__
#  include <stdint.h>
#endif

/****************************************************************************
 * Pre-processor 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 LPC54_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 LPC54_IRQ_NMI              (2) /* Vector  2: Non-Maskable Interrupt (NMI) */
#define LPC54_IRQ_HARDFAULT        (3) /* Vector  3: Hard fault */
#define LPC54_IRQ_MEMFAULT         (4) /* Vector  4: Memory management (MPU) */
#define LPC54_IRQ_BUSFAULT         (5) /* Vector  5: Bus fault */
#define LPC54_IRQ_USAGEFAULT       (6) /* Vector  6: Usage fault */
#define LPC54_IRQ_SIGNVALUE        (7) /* Vector  7: Sign value */
#define LPC54_IRQ_SVCALL          (11) /* Vector 11: SVC call */
#define LPC54_IRQ_DBGMONITOR      (12) /* Vector 12: Debug Monitor */
                                       /* Vector 13: Reserved */
#define LPC54_IRQ_PENDSV          (14) /* Vector 14: Pendable system service request */
#define LPC54_IRQ_SYSTICK         (15) /* Vector 15: System tick */
#define LPC54_IRQ_EXTINT          (16) /* Vector 16: Vector number of the first external interrupt */

/* Cortex-M4 External interrupts (vectors >= 16) */

#if defined(CONFIG_ARCH_FAMILY_LPC546XX)
#  include <arch/lpc54xx/lpc546x_irq.h>
#else
#  error "Unsupported LPC54 MCU"
#endif

/****************************************************************************
 * Public Types
 ****************************************************************************/

#ifndef __ASSEMBLY__
typedef void (*vic_vector_t)(uint32_t *regs);

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

#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif

#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif

#endif /* __ARCH_ARM_INCLUDE_LPC54XX_IRQ_H */