sdl_interrupt.h

Go to the documentation of this file.

/*
 *  Copyright (C) 2013-2017 Texas Instruments Incorporated - https://www.ti.com/
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *    Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 *    Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the
 *    distribution.
 *
 *    Neither the name of Texas Instruments Incorporated nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */
 
/* ========================================================================== */
/*                             Include Files                                  */
/* ========================================================================== */
#ifndef INTERRUPT_H
#define INTERRUPT_H
 
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* ========================================================================== */
/*                                 Macros                                     */
/* ========================================================================== */
typedef void  (*IntrFuncPtr)(void *ptr);
typedef void  (*exptnHandlerPtr)(void *ptr);
 
#define EXCEPTION_R5_RESET                                  (0U)
 
#define EXCEPTION_R5_UNDEF_INSTR                            (1U)
 
#define EXCEPTION_R5_SW_INTR                                (2U)
 
#define EXCEPTION_R5_ABORT_PREFETCH                         (3U)
 
#define EXCEPTION_R5_ABORT_DATA                             (4U)
 
#define EXCEPTION_R5_IRQ                                    (5U)
 
#define EXCEPTION_R5_FIQ                                    (6U)
 
/* ========================================================================== */
/*                         Structures and Enums                               */
/* ========================================================================== */
typedef struct
{
    exptnHandlerPtr udefExptnHandler;
    void *udefExptnHandlerArgs;
    exptnHandlerPtr swiExptnHandler;
    void *swiExptnHandlerArgs;
    exptnHandlerPtr pabtExptnHandler;
    void *pabtExptnHandlerArgs;
    exptnHandlerPtr dabtExptnHandler;
    void *dabtExptnHandlerArgs;
    exptnHandlerPtr irqExptnHandler;
    void *irqExptnHandlerArgs;
    exptnHandlerPtr fiqExptnHandler;
    void *fiqExptnHandlerArgs;
}SDL_R5ExptnHandlers;
 
/* ========================================================================== */
/*                          Function Declarations                             */
/* ========================================================================== */
__attribute__((interrupt("UNDEF"), section(".text.hwi"), aligned(32)))   void undefInstructionExptnHandler(void);
__attribute__((interrupt("SWI"), section(".text.hwi"), aligned(32)))     void swIntrExptnHandler(void);
__attribute__((interrupt("ABORT"), section(".text.hwi"), aligned(32)))   void prefetchAbortExptnHandler(void);
__attribute__((interrupt("ABORT"), section(".text.hwi"), aligned(32)))   void dataAbortExptnHandler(void);
__attribute__((interrupt("IRQ"), section(".text.hwi"), aligned(32)))     void irqExptnHandler(void);
__attribute__((interrupt("FIQ"), section(".text.hwi"), aligned(32)))     void fiqExptnHandler(void);
 
void Intc_SystemEnable(void);
 
uintptr_t Intc_SystemDisable(void);
 
void Intc_SystemRestore(uintptr_t cookie);
 
void Intc_InitExptnHandlers(SDL_R5ExptnHandlers *handlers);
 
void Intc_RegisterExptnHandlers(const SDL_R5ExptnHandlers *handlers);
 
#ifdef __cplusplus
}
#endif
#endif
/********************************* End of file ******************************/