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mbed-os / features / FEATURE_UVISOR / includes / uvisor / api / inc / virq_exports.h
@Jaeden Amero Jaeden Amero on 4 Jun 2017 1 KB uVisor: Import uVisor v0.28.1
/*
 * Copyright (c) 2016, ARM Limited, All Rights Reserved
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed 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 __UVISOR_API_UNVIC_EXPORTS_H__
#define __UVISOR_API_UNVIC_EXPORTS_H__

#include <stdint.h>

/* this value refers to the minimum allowable priority in the physical NVIC
 * module, but not in the virtualised one (vIRQ) */
#define __UVISOR_NVIC_MIN_PRIORITY ((uint32_t) 2)

/* this is the maximum priority allowed for the vIRQ module */
/* users of uVisor APIs can use this to determine the maximum level of
 * priorities available to them */
#define UVISOR_VIRQ_MAX_PRIORITY ((uint32_t) (1 << __NVIC_PRIO_BITS) - 1 - __UVISOR_NVIC_MIN_PRIORITY)

/* Reasons for rebooting */
typedef enum {
    RESET_REASON_NO_REASON = 0,
    RESET_REASON_HALT,
    __TRESETREASON_MAX /* Always keep the last element of the enum. */
} TResetReason;

/* Offset of NVIC interrupts with respect to handler 0 */
#define NVIC_OFFSET 16

#endif /* __UVISOR_API_UNVIC_EXPORTS_H__ */