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/******************************************************************************
*
* 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;
}
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