Merge branch 'master_merge_new-image' of /home/tur/git/u-boot

1 files changed, 107 insertions, 0 deletions

diff --git a/lib_i386/bootm.c b/lib_i386/bootm.c
new file mode 100644
index 000000000..107ebaaa6
--- /dev/null
+++ b/lib_i386/bootm.c
@@ -0,0 +1,107 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * Copyright (C) 2001  Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ *
+ * 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
+ * (at your option) 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <common.h>
+#include <command.h>
+#include <image.h>
+#include <zlib.h>
+#include <asm/byteorder.h>
+#include <asm/zimage.h>
+
+/*cmd_boot.c*/
+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+
+void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
+		bootm_headers_t *images)
+{
+	void		*base_ptr;
+	ulong		os_data, os_len;
+	ulong		initrd_start, initrd_end;
+	ulong		ep;
+	image_header_t	*hdr;
+	int		ret;
+#if defined(CONFIG_FIT)
+	const void	*data;
+	size_t		len;
+#endif
+
+	ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_I386,
+			&initrd_start, &initrd_end);
+	if (ret)
+		goto error;
+
+	if (images->legacy_hdr_valid) {
+		hdr = images->legacy_hdr_os;
+		if (image_check_type (hdr, IH_TYPE_MULTI)) {
+			/* if multi-part image, we need to get first subimage */
+			image_multi_getimg (hdr, 0, &os_data, &os_len);
+		} else {
+			/* otherwise get image data */
+			os_data = image_get_data (hdr);
+			os_len = image_get_data_size (hdr);
+		}
+#if defined(CONFIG_FIT)
+	} else if (images->fit_uname_os) {
+		ret = fit_image_get_data (images->fit_hdr_os,
+					images->fit_noffset_os, &data, &len);
+		if (ret) {
+			puts ("Can't get image data/size!\n");
+			goto error;
+		}
+		os_data = (ulong)data;
+		os_len = (ulong)len;
+#endif
+	} else {
+		puts ("Could not find kernel image!\n");
+		goto error;
+	}
+
+	base_ptr = load_zimage ((void*)os_data, os_len,
+			initrd_start, initrd_end - initrd_start, 0);
+
+	if (NULL == base_ptr) {
+		printf ("## Kernel loading failed ...\n");
+		goto error;
+
+	}
+
+	if (!images->autostart)
+		return ;
+
+#ifdef DEBUG
+	printf ("## Transferring control to Linux (at address %08x) ...\n",
+		(u32)base_ptr);
+#endif
+
+	/* we assume that the kernel is in place */
+	printf("\nStarting kernel ...\n\n");
+
+	boot_zimage(base_ptr);
+	/* does not return */
+	return;
+
+error:
+	if (images->autostart)
+		do_reset (cmdtp, flag, argc, argv);
+	return;
+}