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arch.h
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arch.h
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/**
* MIT License
*
* Copyright (c) 2022 MCUSec
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARCH_H
#define ARCH_H
#include <stdint.h>
struct excepframe {
uint32_t r0;
uint32_t r1;
uint32_t r2;
uint32_t r3;
uint32_t r12;
uint32_t lr;
uint32_t pc;
uint32_t xpsr;
};
typedef struct excepframe ExceptionFrame_t;
union exc_return {
uint32_t v;
struct {
unsigned ES :1;
unsigned :1;
unsigned SPSEL :1;
unsigned Mode :1;
unsigned FType :1;
unsigned DCRS :1;
unsigned S :1;
unsigned :17;
unsigned PREFIX :8;
};
};
typedef union exc_return ExceptionReturn_t;
#define EXC_RETURN_MAGIC 0xFF
#endif /* ARCH_H */