Quick hack to get image booting working again

src/hci/commands/image_cmd.c

@@ -72,19 +72,20 @@ static void imgfetch_core_syntax ( char **argv, int load ) {
 /**
  * The "imgfetch"/"module"/"kernel" command body
  *
+ * @v image_type	Image type to assign (or NULL)
+ * @v load		Image will be automatically loaded after fetching
  * @v argc		Argument count
  * @v argv		Argument list
- * @v load		Image will be automatically loaded after fetching
- * @ret image		Fetched image
  * @ret rc		Return status code
  */
-static int imgfetch_core_exec ( int argc, char **argv, int load,
-				struct image **image ) {
+static int imgfetch_core_exec ( struct image_type *image_type, int load,
+				int argc, char **argv ) {
 	static struct option longopts[] = {
 		{ "help", 0, NULL, 'h' },
 		{ "name", required_argument, NULL, 'n' },
 		{ NULL, 0, NULL, 0 },
 	};
+	struct image *image;
 	const char *name = NULL;
 	char *filename;
 	int c;
@@ -116,15 +117,33 @@ static int imgfetch_core_exec ( int argc, char **argv, int load,
 	if ( ! name )
 		name = basename ( filename );
 
+	/* Allocate image */
+	image = alloc_image();
+	if ( ! image ) {
+		printf ( "%s\n", strerror ( -ENOMEM ) );
+		return -ENOMEM;
+	}
+
+	/* Fill in image name */
+	if ( name )
+		strncpy ( image->name, name, ( sizeof ( image->name ) - 1 ) );
+
+	/* Set image type (if specified) */
+	image->type = image_type;
+
+	/* Fill in command line */
+	imgfill_cmdline ( image, ( argc - optind ), &argv[optind] );
+
+	printf ( "name = %s, filename = %s\n", name, filename );
+	
 	/* Fetch the image */
-	if ( ( rc = imgfetch ( filename, name, image ) ) != 0 ) {
+	if ( ( rc = imgfetch ( image, filename, load ) ) != 0 ) {
 		printf ( "Could not fetch %s: %s\n", name, strerror ( rc ) );
+		image_put ( image );
 		return rc;
 	}
 
-	/* Fill in command line */
-	imgfill_cmdline ( *image, ( argc - optind ), &argv[optind] );
-
+	image_put ( image );
 	return 0;
 }
 
@@ -136,11 +155,10 @@ static int imgfetch_core_exec ( int argc, char **argv, int load,
  * @ret rc		Exit code
  */
 static int imgfetch_exec ( int argc, char **argv ) {
-	struct image *image;
 	int rc;
 
-	if ( ( rc = imgfetch_core_exec ( argc, argv, 0, &image ) ) != 0 )
-		return 1;
+	if ( ( rc = imgfetch_core_exec ( NULL, 0, argc, argv ) ) != 0 )
+		return rc;
 
 	return 0;
 }
@@ -153,18 +171,10 @@ static int imgfetch_exec ( int argc, char **argv ) {
  * @ret rc		Exit code
  */
 static int kernel_exec ( int argc, char **argv ) {
-	struct image *image;
 	int rc;
 
-	if ( ( rc = imgfetch_core_exec ( argc, argv, 1, &image ) ) != 0 )
-		return 1;
-
-	/* Load image */
-	if ( ( rc = imgload ( image ) ) != 0 ) {
-		printf ( "Could not load %s: %s\n", image->name,
-			 strerror ( rc ) );
-		return 1;
-	}
+	if ( ( rc = imgfetch_core_exec ( NULL, 1, argc, argv ) ) != 0 )
+		return rc;
 
 	return 0;
 }
@@ -177,14 +187,11 @@ static int kernel_exec ( int argc, char **argv ) {
  * @ret rc		Exit code
  */
 static int initrd_exec ( int argc, char **argv ) {
-	struct image *image;
 	int rc;
 
-	if ( ( rc = imgfetch_core_exec ( argc, argv, 0, &image ) ) != 0 )
-		return 1;
-
-	/* Mark image as an intird */
-	image->type = &initrd_image_type;
+	if ( ( rc = imgfetch_core_exec ( &initrd_image_type, 0,
+					 argc, argv ) ) != 0 )
+		return rc;
 
 	return 0;
 }
@@ -246,7 +253,7 @@ static int imgload_exec ( int argc, char **argv ) {
 	}
 	if ( ( rc = imgload ( image ) ) != 0 ) {
 		printf ( "Could not load %s: %s\n", name, strerror ( rc ) );
-		return 1;
+		return rc;
 	}
 
 	return 0;

src/include/gpxe/image.h

@@ -113,6 +113,7 @@ extern struct list_head images;
 #define for_each_image( image ) \
 	list_for_each_entry ( (image), &images, list )
 
+extern struct image * alloc_image ( void );
 extern int register_image ( struct image *image );
 extern void unregister_image ( struct image *image );
 extern void promote_image ( struct image *image );

src/include/usr/imgmgmt.h

@@ -9,8 +9,7 @@
 
 struct image;
 
-extern int imgfetch ( const char *filename, const char *name,
-		      struct image **new_image );
+extern int imgfetch ( struct image *image, const char *filename, int load );
 extern int imgload ( struct image *image );
 extern int imgexec ( struct image *image );
 extern struct image * imgautoselect ( void );

src/usr/autoboot.c

@@ -99,19 +99,27 @@ void netboot ( struct net_device *netdev ) {
 		return;
 	}
 	printf ( "Booting \"%s\"\n", filename );
-	if ( ( rc = imgfetch ( filename, NULL, &image ) ) != 0 ) {
+	image = alloc_image();
+	if ( ! image ) {
+		printf ( "Out of memory\n" );
+		return;
+	}
+	if ( ( rc = imgfetch ( image, filename, 0 ) ) != 0 ) {
 		printf ( "Could not retrieve %s: %s\n",
 			 filename, strerror ( rc ) );
+		image_put ( image );
 		return;
 	}
 	if ( ( rc = imgload ( image ) ) != 0 ) {
 		printf ( "Could not load %s: %s\n", image->name,
 			 strerror ( rc ) );
+		image_put ( image );
 		return;
 	}
 	if ( ( rc = imgexec ( image ) ) != 0 ) {
 		printf ( "Could not execute %s: %s\n", image->name,
 			 strerror ( rc ) );
+		image_put ( image );
 		return;
 	}
 }

src/usr/imgmgmt.c

@@ -21,8 +21,9 @@
 #include <stdio.h>
 #include <errno.h>
 #include <gpxe/image.h>
-#include <gpxe/umalloc.h>
-#include <gpxe/download.h>
+#include <gpxe/downloader.h>
+#include <gpxe/monojob.h>
+#include <gpxe/open.h>
 #include <usr/imgmgmt.h>
 
 /** @file
@@ -31,6 +32,18 @@
  *
  */
 
+static int imgfetch_autoload ( struct image *image ) {
+	int rc;
+
+	if ( ( rc = register_image ( image ) ) != 0 )
+		return rc;
+
+	if ( ( rc = image_autoload ( image ) ) != 0 )
+		return rc;
+
+	return 0;
+}
+
 /**
  * Fetch an image
  *
@@ -39,39 +52,18 @@
  * @ret new_image	Newly created image
  * @ret rc		Return status code
  */
-int imgfetch ( const char *uri_string, const char *name,
-	       struct image **new_image ) {
-	struct image *image;
-	struct async async;
+int imgfetch ( struct image *image, const char *uri_string, int load ) {
 	int rc;
 
-	/* Allocate new image */
-	image = malloc ( sizeof ( *image ) );
-	if ( ! image )
-		return -ENOMEM;
-	memset ( image, 0, sizeof ( *image ) );
+	printf ( "uri_string = %s\n", uri_string );
 
-	/* Fill in image name */
-	if ( name )
-		strncpy ( image->name, name, ( sizeof ( image->name ) - 1 ) );
+	if ( ( rc = create_downloader ( &monojob, image, 
+					( load ? imgfetch_autoload :
+					  register_image ),
+					LOCATION_URI_STRING,
+					uri_string ) ) == 0 )
+		rc = monojob_wait();
 
-	/* Download the file */
-	if ( ( rc = async_block_progress ( &async,
-					   start_download ( uri_string, &async,
-							    &image->data,
-							    &image->len )))!=0)
-		goto err;
-
-	/* Register the image */
-	if ( ( rc = register_image ( image ) ) != 0 )
-		goto err;
-
-	*new_image = image;
-	return 0;
-
- err:
-	ufree ( image->data );
-	free ( image );
 	return rc;
 }
 
@@ -88,10 +80,6 @@ int imgload ( struct image *image ) {
 	if ( ( rc = image_autoload ( image ) ) != 0 )
 		return rc;
 
-	/* If we succeed, move the image to the start of the list */
-#warning "No longer exists"
-	//	promote_image ( image );
-
 	return 0;
 }
 
@@ -144,6 +132,4 @@ void imgstat ( struct image *image ) {
  */
 void imgfree ( struct image *image ) {
 	unregister_image ( image );
-	ufree ( image->data );
-	free ( image );
 }