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/*
* mbootpack.h
*
* Common definitions for mbootpack
*
* Copyright (C) 2003-2004 Tim Deegan (tjd21@cl.cam.ac.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 (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.
*
* $Id: mbootpack.h,v 1.2 2005/03/23 10:38:37 tjd21 Exp $
*
*/
#ifndef __MBOOTPACK__H__
#define __MBOOTPACK__H__
#ifndef __MB_ASM
#undef NDEBUG
#include <stdio.h>
#include <endian.h>
#include <byteswap.h>
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define eswap(x) (x)
#else
#define eswap(x) \
({ \
typeof(x) y = (x); \
switch(sizeof(y)) \
{ \
case 2: y = __bswap_16(y); break; \
case 4: y = __bswap_32(y); break; \
case 8: y = __bswap_64(y); break; \
} \
y; \
})
#endif
/* Flags */
extern int quiet;
/* Types */
typedef unsigned long address_t;
typedef struct section_t {
char *buffer;
address_t start;
long int size;
struct section_t *prev;
struct section_t *next;
} section_t;
/* buildimage.c */
extern void make_bzImage(section_t *sections,
address_t entry,
address_t mbi,
FILE *fp);
address_t place_mbi(long int size);
/* trampoline.S */
extern unsigned char mb_trampoline[];
extern unsigned char mb_trampoline_end[];
extern volatile address_t mb_mbi_address, mb_entry_address;
/* Macros */
#define MIN(_x,_y) (((_x)<=(_y))?(_x):(_y))
#define MAX(_x,_y) (((_x)<=(_y))?(_y):(_x))
#define ROUNDUP_P2(_x, _a) (((_x)+((_a)-1))&(~((_a)-1)))
#endif
/* x86 memory: such fun */
#define MEM_HOLE_START 0xa0000
#define MEM_HOLE_END 0x100000
#define HIGHMEM_START MEM_HOLE_END
#define X86_PAGE_SIZE 0x1000
/* How much command line we'll take from the bootloader. */
#define CMD_LINE_SPACE 0x300
/* Number of 512-byte sectors to load in low memory (max 7) */
#define SETUPSECTS 7
/* Who are we? */
#define MBOOTPACK_VERSION_STRING "v0.2 (alpha)"
#endif /* __MBOOTPACK__H__ */
/*
* EOF (mbootpack.h)
*/
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