2007-01-12 06:05:27 +00:00
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/*
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* Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdint.h>
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2007-01-12 07:22:20 +00:00
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#include <stdlib.h>
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#include <errno.h>
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2007-01-12 06:05:27 +00:00
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#include <vsprintf.h>
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#include <gpxe/image.h>
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2007-01-12 07:22:20 +00:00
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#include <usr/fetch.h>
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2007-01-12 06:05:27 +00:00
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#include <usr/imgmgmt.h>
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/** @file
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*
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* Image management
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*
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*/
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2007-01-12 07:22:20 +00:00
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/**
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* Fetch an image
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*
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* @v filename Filename for image
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* @v name Name for image, or NULL
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* @ret new_image Newly created image
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* @ret rc Return status code
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*/
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int imgfetch ( const char *filename, const char *name,
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struct image **new_image ) {
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struct image *image;
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int rc;
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/* Allocate new image */
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image = malloc ( sizeof ( *image ) );
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if ( ! image )
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return -ENOMEM;
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memset ( image, 0, sizeof ( *image ) );
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/* Fill in image name */
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if ( name )
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strncpy ( image->name, name, ( sizeof ( image->name ) - 1 ) );
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/* Fetch the file */
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2007-01-12 08:02:27 +00:00
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if ( ( rc = fetch ( filename, &image->data, &image->len ) ) != 0 )
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2007-01-12 07:22:20 +00:00
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goto err;
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/* Register the image */
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if ( ( rc = register_image ( image ) ) != 0 )
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goto err;
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*new_image = image;
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return 0;
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err:
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free_image ( image );
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free ( image );
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return rc;
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}
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/**
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* Load an image
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*
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* @v image Image
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* @ret rc Return status code
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*/
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int imgload ( struct image *image ) {
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return image_autoload ( image );
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}
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/**
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* Execute an image
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*
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* @v image Image
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* @ret rc Return status code
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*/
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int imgexec ( struct image *image ) {
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return image_exec ( image );
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}
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2007-01-12 07:32:46 +00:00
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/**
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* Identify the first loaded image
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*
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* @ret image Image, or NULL
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*/
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struct image * imgautoselect ( void ) {
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struct image *image;
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for_each_image ( image ) {
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if ( image->flags & IMAGE_LOADED )
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return image;
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}
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return NULL;
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}
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2007-01-12 06:05:27 +00:00
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/**
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* Display status of an image
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*
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* @v image Executable/loadable image
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*/
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void imgstat ( struct image *image ) {
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2007-01-12 07:22:20 +00:00
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printf ( "%s: %zd bytes", image->name, image->len );
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2007-01-12 06:05:27 +00:00
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if ( image->type )
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printf ( " [%s]", image->type->name );
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if ( image->flags & IMAGE_LOADED )
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printf ( " [LOADED]" );
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if ( image->cmdline[0] )
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2007-01-12 07:22:20 +00:00
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printf ( " \"%s\"", image->cmdline );
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2007-01-12 06:05:27 +00:00
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printf ( "\n" );
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}
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2007-01-12 07:22:20 +00:00
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/**
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* Free an image
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*
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* @v image Executable/loadable image
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*/
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void imgfree ( struct image *image ) {
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unregister_image ( image );
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free_image ( image );
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free ( image );
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}
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