61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
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#ifndef _GPXE_IMAGE_H
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#define _GPXE_IMAGE_H
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/**
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* @file
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*
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* Executable/loadable image formats
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*
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*/
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#include <gpxe/tables.h>
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/** An executable or loadable image */
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struct image {
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/** Raw file image */
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userptr_t image;
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/** Length of raw file image */
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size_t len;
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/** Execute method
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*
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* Filled in by the image loader. If NULL, then the image
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* cannot be executed.
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*/
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int ( * execute ) ( struct image *image );
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/** Entry point */
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physaddr_t entry;
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};
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/** An executable or loadable image type */
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struct image_type {
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/** Name of this image type */
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char *name;
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/** Load image into memory
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*
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* @v image Executable/loadable image
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* @ret rc Return status code
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*
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* Load the image into memory. The file image may be
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* discarded after this call; the method must preserve any
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* information it may require later (e.g. the execution
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* address) within the @c image structure.
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*/
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int ( * load ) ( struct image *image );
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};
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/** An executable or loadable image type */
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#define __image_type __table ( struct image_type, image_types, 01 )
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/**
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* An unverifiable executable or loadable image type
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*
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* This should be used to mark image types for which there are no
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* signature or other checks that can be used to verify the validity
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* of the image (such as PXE images). These will then be tried last
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* in the list of image types.
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*/
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#define __default_image_type __table ( struct image_type, image_types, 02 )
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#endif /* _GPXE_IMAGE_H */
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