102 lines
3.6 KiB
C
102 lines
3.6 KiB
C
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/*
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* Copyright (c) 2009-2012, Freescale Semiconductor, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* o Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* o Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __INTERRUPT_H__
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#define __INTERRUPT_H__
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#include "sdk_types.h"
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#include "irq_numbers.h"
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//! @addtogroup diag_interrupt
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//! @{
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/*!
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* @file interrupt.h
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* @brief Interface for the interrupt manager.
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*/
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////////////////////////////////////////////////////////////////////////////////
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// Definitions
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////////////////////////////////////////////////////////////////////////////////
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//! @brief
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typedef enum {
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CPU_0,
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CPU_1,
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CPU_2,
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CPU_3,
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} cpuid_e;
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//! @brief Interrupt service routine.
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typedef void (*irq_hdlr_t) (void);
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////////////////////////////////////////////////////////////////////////////////
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// API
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////////////////////////////////////////////////////////////////////////////////
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#if defined(__cplusplus)
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extern "C" {
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#endif
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//! @brief Enable an interrupt.
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//!
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//! Sets the interrupt priority and makes it non-secure. Then the interrupt is
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//! enabled on the CPU specified by @a cpu_id.
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//!
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//! @param irq_id The interrupt number to enable.
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//! @param cpu_id The index of the CPU for which the interrupt will be enabled.
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//! @param priority The interrupt priority, from 0-255. Lower numbers have higher priority.
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void enable_interrupt(uint32_t irq_id, uint32_t cpu_id, uint32_t priority);
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//! @brief Disable an interrupt on the specified CPU.
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//!
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//! @param irq_id The interrupt number to disabled.
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//! @param cpu_id The index of the CPU for which the interrupt will be disabled.
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void disable_interrupt(uint32_t irq_id, uint32_t cpu_id);
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//! @brief Set the interrupt service routine for the specified interrupt.
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//!
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//! @param irq_id The interrupt number.
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//! @param isr Function that will be called to handle the interrupt.
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void register_interrupt_routine(uint32_t irq_id, irq_hdlr_t isr);
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//! @brief Interrupt handler that simply prints a message.
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void default_interrupt_routine(void);
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#if defined(__cplusplus)
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}
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#endif
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//! @}
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#endif
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////////////////////////////////////////////////////////////////////////////////
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// EOF
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////////////////////////////////////////////////////////////////////////////////
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