mkservice.h.svn-base

RT-Thread是发展中的下一代微内核嵌入式实时操作系统

#ifndef __MKSERVICE_H__
#define __MKSERVICE_H__

#include "lib.h"

#define NAME_MAX					16

#define SERVICE_TYPE_NONE			0
#define SERVICE_TYPE_BINARY			1
#define SERVICE_TYPE_BINARY_KERNEL	2
#define SERVICE_TYPE_ARCHIVE		3
#define SERVICE_TYPE_ELF			4
#define SERVICE_TYPE_ELF_LOADING	5
#define SERVICE_TYPE_ELF_KERNEL		6

#define SERVICE_IDENT				4
struct service_description
{
	char magic[SERVICE_IDENT];

	unsigned char count;

	unsigned char reserved[27];
};

struct service_entry
{
	char name[NAME_MAX];
  
	unsigned char type;
	unsigned char reserved[3];

	unsigned long offset;
	unsigned long size;
	unsigned long phaddr;
};

/* service information */
struct mk_service_entry
{
	/* name of service */
	char name[8];

	/* physical information */
	rt_uint32 phys;			/* physical address */
	rt_uint32 size;			/* size of service image */

	/* entry address */
	rt_uint32 entry;

	/* text segment information */
	rt_uint32 text;
	rt_uint32 text_size;

	/* data segment information */
	rt_uint32 data;
	rt_uint32 data_size;

	/* bss segment information */
	rt_uint32 bss_size;
};

/* physical memory information */
struct physical_memory
{
	rt_uint32 start_address;	/* start address */
	rt_uint32 size;				/* size in bytes */
};

#define MK_MAGIC0 'R'
#define MK_MAGIC1 'T'
#define MK_MAGIC2 'T'
#define MK_MAGIC3 0

/* mircokernel boot */
struct mk_service
{
	rt_uint32 magic;						/* magic of microkernel service description */
	struct physical_memory memory;			/* memory information */
	struct physical_memory reserved[4];		/* reserved memory information */

	rt_uint32 entries;						/* number of service task */
	struct mk_service_entry kernel;			/* the kernel image */
	struct mk_service_entry entry[1];		/* services image */
};

#endif