1 files changed, 81 insertions, 0 deletions

diff --git a/sys/boot/arm/at91/libat91/tag_list.c b/sys/boot/arm/at91/libat91/tag_list.c
new file mode 100644
index 000000000000..c6a9bba82377
--- /dev/null
+++ b/sys/boot/arm/at91/libat91/tag_list.c
@@ -0,0 +1,81 @@
+/******************************************************************************
+ *
+ * Filename: tag_list.c
+ *
+ * Instantiation of basic routines that create linux-boot tag list.
+ *
+ * Revision information:
+ *
+ * 22AUG2004	kb_admin	initial creation
+ *
+ * BEGIN_KBDD_BLOCK
+ * No warranty, expressed or implied, is included with this software.  It is
+ * provided "AS IS" and no warranty of any kind including statutory or aspects
+ * relating to merchantability or fitness for any purpose is provided.  All
+ * intellectual property rights of others is maintained with the respective
+ * owners.  This software is not copyrighted and is intended for reference
+ * only.
+ * END_BLOCK
+ *
+ * $FreeBSD$
+ *****************************************************************************/
+
+/******************************* GLOBALS *************************************/
+
+/********************** PRIVATE FUNCTIONS/DATA/DEFINES ***********************/
+
+#define u32 unsigned
+#define u16 unsigned short
+#define u8  unsigned char
+
+// #include "/usr/src/arm/linux/include/asm/setup.h"
+#include <linux/asm/setup.h>
+#include "tag_list.h"
+
+#define PAGE_SIZE 	0x1000
+#define MEM_SIZE	0x2000000
+#define PHYS_OFFSET	0x20000000
+
+/*************************** GLOBAL FUNCTIONS ********************************/
+
+/*
+ * .KB_C_FN_DEFINITION_START
+ * void InitTagList(char*, void *)
+ *  This global function populates a linux-boot style tag list from the
+ * string passed in the pointer at the location specified.
+ * .KB_C_FN_DEFINITION_END
+ */
+void InitTagList(char *parms, void *output) {
+
+	char *src, *dst;
+	struct tag *tagList = (struct tag*)output;
+
+	tagList->hdr.size  = tag_size(tag_core);
+	tagList->hdr.tag   = ATAG_CORE;
+	tagList->u.core.flags    = 1;
+	tagList->u.core.pagesize = PAGE_SIZE;
+	tagList->u.core.rootdev  = 0xff;
+	tagList = tag_next(tagList);
+
+	tagList->hdr.size  = tag_size(tag_mem32);
+	tagList->hdr.tag   = ATAG_MEM;
+	tagList->u.mem.size  = MEM_SIZE;
+	tagList->u.mem.start = PHYS_OFFSET;
+	tagList = tag_next(tagList);
+
+	tagList->hdr.size  = tag_size(tag_cmdline);
+	tagList->hdr.tag   = ATAG_CMDLINE;
+
+	src = parms;
+	dst = tagList->u.cmdline.cmdline;
+	while (*src) {
+		*dst++ = *src++;
+	}
+	*dst = 0;
+
+	tagList->hdr.size += ((unsigned)(src - parms) + 1) / sizeof(unsigned);
+	tagList = tag_next(tagList);
+
+	tagList->hdr.size  = 0;
+	tagList->hdr.tag   = ATAG_NONE;
+}