Add gPXE into the source tree; build unified imagesyslinux-3.70-pre7

1 files changed, 127 insertions, 0 deletions

diff --git a/gpxe/src/usr/imgmgmt.c b/gpxe/src/usr/imgmgmt.c
new file mode 100644
index 00000000..bead4867
--- /dev/null
+++ b/gpxe/src/usr/imgmgmt.c
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <gpxe/image.h>
+#include <gpxe/downloader.h>
+#include <gpxe/monojob.h>
+#include <gpxe/open.h>
+#include <gpxe/uri.h>
+#include <usr/imgmgmt.h>
+
+/** @file
+ *
+ * Image management
+ *
+ */
+
+/**
+ * Fetch an image
+ *
+ * @v uri_string	URI as a string (e.g. "http://www.nowhere.com/vmlinuz")
+ * @v name		Name for image, or NULL
+ * @v register_image	Image registration routine
+ * @ret rc		Return status code
+ */
+int imgfetch ( struct image *image, const char *uri_string,
+	       int ( * image_register ) ( struct image *image ) ) {
+	struct uri *uri;
+	int rc;
+
+	if ( ! ( uri = parse_uri ( uri_string ) ) )
+		return -ENOMEM;
+
+	image_set_uri ( image, uri );
+
+	if ( ( rc = create_downloader ( &monojob, image, image_register,
+					LOCATION_URI, uri ) ) == 0 )
+		rc = monojob_wait ( uri_string );
+
+	uri_put ( uri );
+	return rc;
+}
+
+/**
+ * Load an image
+ *
+ * @v image		Image
+ * @ret rc		Return status code
+ */
+int imgload ( struct image *image ) {
+	int rc;
+
+	/* Try to load image */
+	if ( ( rc = image_autoload ( image ) ) != 0 )
+		return rc;
+
+	return 0;
+}
+
+/**
+ * Execute an image
+ *
+ * @v image		Image
+ * @ret rc		Return status code
+ */
+int imgexec ( struct image *image ) {
+	return image_exec ( image );
+}
+
+/**
+ * Identify the first loaded image
+ *
+ * @ret image		Image, or NULL
+ */
+struct image * imgautoselect ( void ) {
+	struct image *image;
+
+	for_each_image ( image ) {
+		if ( image->flags & IMAGE_LOADED )
+			return image;
+	}
+
+	return NULL;
+}
+
+/**
+ * Display status of an image
+ *
+ * @v image		Executable/loadable image
+ */
+void imgstat ( struct image *image ) {
+	printf ( "%s: %zd bytes", image->name, image->len );
+	if ( image->type )
+		printf ( " [%s]", image->type->name );
+	if ( image->flags & IMAGE_LOADED )
+		printf ( " [LOADED]" );
+	if ( image->cmdline )
+		printf ( " \"%s\"", image->cmdline );
+	printf ( "\n" );
+}
+
+/**
+ * Free an image
+ *
+ * @v image		Executable/loadable image
+ */
+void imgfree ( struct image *image ) {
+	unregister_image ( image );
+}