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1e78cc7a30
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2364 ebee16cc-31ac-478f-84a7-5cbb03baadba
83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/*
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# This file is Copyright 2003, 2006, 2007, 2009, 2010 Dean Hall.
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#
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# This file is part of the PyMite VM.
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# The PyMite VM is free software: you can redistribute it and/or modify
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# it under the terms of the GNU GENERAL PUBLIC LICENSE Version 2.
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#
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# The PyMite VM is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# A copy of the GNU GENERAL PUBLIC LICENSE Version 2
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# is seen in the file COPYING in this directory.
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*/
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#ifndef __IMG_H__
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#define __IMG_H__
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/**
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* \file
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* \brief Image header
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*
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* Created to eliminate a circular include
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* among mem, string and obj.
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*/
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/** The maximum number of paths available in PmImgPaths */
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#define PM_NUM_IMG_PATHS 4
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typedef struct PmImgPaths_s
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{
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PmMemSpace_t memspace[PM_NUM_IMG_PATHS];
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uint8_t const *pimg[PM_NUM_IMG_PATHS];
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uint8_t pathcount;
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}
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PmImgPaths_t, *pPmImgPaths_t;
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/**
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* Code image object
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*
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* A type to hold code images in the heap.
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* A code image with an object descriptor at the front.
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* Used for storing image objects during ipm;
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* the code object keeps a reference to this object.
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*/
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typedef struct PmCodeImgObj_s
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{
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/** Object descriptor */
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PmObjDesc_t od;
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/** Null-term? char array */
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uint8_t val[1];
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} PmCodeImgObj_t,
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*pPmCodeImgObj_t;
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/**
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* Iterates over all paths in the paths array until the named module is found.
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* Returns the memspace,address of the head of the module.
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*
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* @param pname Pointer to the name of the desired module
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* @param r_memspace Return by reference the memory space of the module
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* @param r_imgaddr Return by reference the address of the module's image
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* @return Return status
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*/
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PmReturn_t img_findInPaths(pPmObj_t pname, PmMemSpace_t *r_memspace,
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uint8_t const **r_imgaddr);
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/**
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* Appends the given memspace and address to the image path array
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*
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* @param memspace The memspace
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* @param paddr The address
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* @return Return status
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*/
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PmReturn_t img_appendToPath(PmMemSpace_t memspace, uint8_t const * const paddr);
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#endif /* __IMG_H__ */
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