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[image] Simplify image management

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Refactor the {load,exec} image operations as {probe,exec}.  This makes
the probe mechanism cleaner, eliminates some forward declarations,
avoids holding magic state in image->priv, eliminates the possibility
of screwing up between the "load" and "exec" stages, and makes the
documentation simpler since the concept of "loading" (as distinct from
"executing") no longer needs to be explained.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2011-03-07 00:37:50 +00:00
parent 530a01eff0
commit 34b6ecb2f1
20 changed files with 414 additions and 501 deletions
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34
src/include/usr/imgmgmt.h
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@@ -9,16 +9,42 @@
FILE_LICENCE ( GPL2_OR_LATER );
struct image;
#include <ipxe/image.h>
extern int imgdownload ( struct image *image, struct uri *uri,
int ( * action ) ( struct image *image ) );
extern int imgfetch ( struct image *image, const char *uri_string,
int ( * action ) ( struct image *image ) );
extern int imgload ( struct image *image );
extern int imgexec ( struct image *image );
extern struct image * imgautoselect ( void );
extern void imgstat ( struct image *image );
extern void imgfree ( struct image *image );
/**
* Select an image for execution
*
* @v image Image
* @ret rc Return status code
*/
static inline int imgselect ( struct image *image ) {
return image_select ( image );
}
/**
* Find the previously-selected image
*
* @ret image Image, or NULL
*/
static inline struct image * imgautoselect ( void ) {
return image_find_selected();
}
/**
* Execute an image
*
* @v image Image
* @ret rc Return status code
*/
static inline int imgexec ( struct image *image ) {
return image_exec ( image );
}
#endif /* _USR_IMGMGMT_H */