mcci_bootloader_cm0plus_appimage.h

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/*
 
Module: mcci_bootloader_cm0plus_appimage.h
 
Function:
        AppImage layout on CortexM0. Defined by bootloader so not part
        the CortexM0 header.
 
Copyright and License:
        This file copyright (C) 2021 by
 
                MCCI Corporation
                3520 Krums Corners Road
                Ithaca, NY  14850
 
        See accompanying LICENSE file for copyright and license information.
 
Author:
        Terry Moore, MCCI Corporation   March 2021
 
*/
 
#ifndef _mcci_bootloader_cm0plus_appimage_h_
#define _mcci_bootloader_cm0plus_appimage_h_    /* prevent multiple includes */
 
#pragma once
 
#include "mcci_arm_cm0plus.h"
#include <stdint.h>
#include "mcci_bootloader_appinfo.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
/****************************************************************************\
|
|       Data Structures
|
\****************************************************************************/
 
 
/// \brief the Cortex M0 App header
typedef struct McciBootloader_CortexPageZeroContents_s
        {
        Mcci_CortexVectorsContents_t    CortexVectors;
        McciBootloader_AppInfo_t        AppInfo;
        } McciBootloader_CortexPageZeroContents_t;
 
typedef union McciBootloader_CortexPageZero_u
        {
        Mcci_CortexAppEntryContents_t           CortexAppEntry;         //< View instance as a CortexM0 AppEntry.
        Mcci_CortexAppEntry_t                   CortexAppEntryCast;     //< Downcast to an AppEntry without explicit casting
        Mcci_CortexVectorsContents_t            CortexVectors;          //< View instance as vectors.
        Mcci_CortexVectors_t                    CortexVectorsCast;      //< Downcast to a CortexVectors_t without explicit casting
        McciBootloader_CortexPageZeroContents_t PageZero;               //< View instance as a PageZero.
        uint8_t                                 Bytes[256];             //< padding to force size
        } __attribute__((__aligned__(256)))
        McciBootloader_CortexPageZero_t;
 
/****************************************************************************\
|
|       End of file
|
\****************************************************************************/
 
#ifdef __cplusplus
}
#endif
 
#endif /* _mcci_bootloader_cm0plus_appimage_h_ */