1 files changed, 81 insertions, 0 deletions
diff --git a/src/arch/i386/image/bzimage.c b/src/arch/i386/image/bzimage.c
new file mode 100644
index 00000000..769c838d
--- /dev/null
+++ b/src/arch/i386/image/bzimage.c
@@ -0,0 +1,81 @@
+/*
+ * 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.
+ */
+
+/**
+ * @file
+ *
+ * Linux bzImage image format
+ *
+ */
+
+#include <errno.h>
+#include <assert.h>
+#include <realmode.h>
+#include <bzimage.h>
+#include <gpxe/uaccess.h>
+#include <gpxe/image.h>
+#include <gpxe/segment.h>
+#include <gpxe/memmap.h>
+#include <gpxe/shutdown.h>
+
+struct image_type bzimage_image_type __image_type ( PROBE_NORMAL );
+
+/**
+ * Execute bzImage image
+ *
+ * @v image		bzImage image
+ * @ret rc		Return status code
+ */
+static int bzimage_exec ( struct image *image ) {
+}
+
+/**
+ * Load bzImage image into memory
+ *
+ * @v image		bzImage file
+ * @ret rc		Return status code
+ */
+int bzimage_load ( struct image *image ) {
+	struct bzimage_header bzhdr;
+
+	/* Sanity check */
+	if ( image->len < ( BZHDR_OFFSET + sizeof ( bzhdr ) ) ) {
+		DBGC ( image, "BZIMAGE %p too short\n", image );
+		return -ENOEXEC;
+	}
+
+	/* Read and verify header */
+	copy_from_user ( &bzhdr, image->data, BZHDR_OFFSET, sizeof ( bzhdr ) );
+	if ( bzhdr.header != BZIMAGE_SIGNATURE ) {
+		DBGC ( image, "BZIMAGE %p not a bzImage\n", image );
+		return -ENOEXEC;
+	}
+
+	/* This is a bzImage image, valid or otherwise */
+	if ( ! image->type )
+		image->type = &bzimage_image_type;
+
+	return 0;
+}
+
+/** Linux bzImage image type */
+struct image_type bzimage_image_type __image_type ( PROBE_NORMAL ) = {
+	.name = "bzImage",
+	.load = bzimage_load,
+	.exec = bzimage_exec,
+};