/*
* Copyright (c) 2016 Petr Pavlu
*
* All rights reserved.
*
* 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/** @addtogroup kernel_arm64
* @{
*/
/** @file
* @brief Exception declarations.
*/
#ifndef KERN_arm64_EXCEPTION_H_
#define KERN_arm64_EXCEPTION_H_
/* Exception numbers. */
/** Current Exception level with SP_EL0, Synchronous. */
#define EXC_CURRENT_EL_SP_SEL0_SYNCH 0
/** Current Exception level with SP_EL0, IRQ or vIRQ. */
#define EXC_CURRENT_EL_SP_SEL0_IRQ 1
/** Current Exception level with SP_EL0, FIQ or vFIQ. */
#define EXC_CURRENT_EL_SP_SEL0_FIQ 2
/** Current Exception level with SP_EL0, SError or vSError. */
#define EXC_CURRENT_EL_SP_SEL0_SERROR 3
/** Current Exception level with SP_ELx, x > 0, Synchronous. */
#define EXC_CURRENT_EL_SP_SELX_SYNCH 4
/** Current Exception level with SP_ELx, x > 0, IRQ or vIRQ. */
#define EXC_CURRENT_EL_SP_SELX_IRQ 5
/** Current Exception level with SP_ELx, x > 0, FIQ or vFIQ. */
#define EXC_CURRENT_EL_SP_SELX_FIQ 6
/** Current Exception level with SP_ELx, x > 0, SError or vSError. */
#define EXC_CURRENT_EL_SP_SELX_SERROR 7
/** Lower Exception level, where the implemented level immediately lower than
* the target level is using AArch64, Synchronous.
*/
#define EXC_LOWER_EL_AARCH64_SYNCH 8
/** Lower Exception level, where the implemented level immediately lower than
* the target level is using AArch64, IRQ or vIRQ.
*/
#define EXC_LOWER_EL_AARCH64_IRQ 9
/** Lower Exception level, where the implemented level immediately lower than
* the target level is using AArch64, FIQ or vFIQ.
*/
#define EXC_LOWER_EL_AARCH64_FIQ 10
/** Lower Exception level, where the implemented level immediately lower than
* the target level is using AArch64, SError or vSError.
*/
#define EXC_LOWER_EL_AARCH64_SERROR 11
/** Lower Exception level, where the implemented level immediately lower than
* the target level is using AArch32, Synchronous.
*/
#define EXC_LOWER_EL_AARCH32_SYNCH 12
/** Lower Exception level, where the implemented level immediately lower than
* the target level is using AArch32, IRQ or vIRQ.
*/
#define EXC_LOWER_EL_AARCH32_IRQ 13
/** Lower Exception level, where the implemented level immediately lower than
* the target level is using AArch32, FIQ or vFIQ.
*/
#define EXC_LOWER_EL_AARCH32_FIQ 14
/** Lower Exception level, where the implemented level immediately lower than
* the target level is using AArch32, SError or vSError.
*/
#define EXC_LOWER_EL_AARCH32_SERROR 15
#ifndef __ASSEMBLER__
extern void exception_init(void);
#endif /* __ASSEMBLER__ */
#endif
/** @}
*/