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-rw-r--r--arch/x86/lib/bootm.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/arch/x86/lib/bootm.c b/arch/x86/lib/bootm.c
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+/*
+ * (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)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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 <u-boot/zlib.h>
+#include <asm/bootparam.h>
+#include <asm/byteorder.h>
+#include <asm/zimage.h>
+
+#define COMMAND_LINE_OFFSET 0x9000
+
+/*cmd_boot.c*/
+int do_bootm_linux(int flag, int argc, char * const argv[],
+ bootm_headers_t *images)
+{
+ struct boot_params *base_ptr = NULL;
+ ulong os_data, os_len;
+ image_header_t *hdr;
+ void *load_address;
+
+#if defined(CONFIG_FIT)
+ const void *data;
+ size_t len;
+#endif
+
+ if (flag & BOOTM_STATE_OS_PREP)
+ return 0;
+ if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
+ return 1;
+
+ 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) {
+ int ret;
+
+ 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;
+ }
+
+#ifdef CONFIG_CMD_ZBOOT
+ base_ptr = load_zimage((void *)os_data, os_len, &load_address);
+#endif
+
+ if (NULL == base_ptr) {
+ printf("## Kernel loading failed ...\n");
+ goto error;
+ }
+
+ if (setup_zimage(base_ptr, (char *)base_ptr + COMMAND_LINE_OFFSET,
+ 0, images->rd_start,
+ images->rd_end - images->rd_start)) {
+ printf("## Setting up boot parameters failed ...\n");
+ goto error;
+ }
+
+ boot_zimage(base_ptr, load_address);
+ /* does not return */
+
+error:
+ return 1;
+}
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