pcsx2/fps2bios/kernel/iopload/include/kloadcore.h

#ifndef __LOADCORE_H__
#define __LOADCORE_H__

#include <tamtypes.h>

#define LOADCORE_VER	0x101

typedef	int (*func)();

#define	VER(major, minor)	((((major) & 0xFF)<<8) + ((minor) & 0xFF))

#define MODULE_RESIDENT_END		0
#define MODULE_NO_RESIDENT_END	1

struct func_stub {
	int	jr_ra;	//jump instruction
	int	addiu0;	//addiu	zero, number
};

// defined by irx.h in the sdk
//#define IMPORT_MAGIC	0x41E00000
//#define EXPORT_MAGIC	0x41C00000

#define FLAG_EXPORT_QUEUED	1
#define FLAG_IMPORT_QUEUED	2

#define FLAG_NO_AUTO_LINK 1

#define INS_JR    2
#define INS_ADDIU 9
#define INS_JR_RA 0x03E00008
#define INS_J     0x08000000

enum tag_BOOTUPCB_PRIO{
	BOOTUPCB_FIRST    = 0,
	BOOTUPCB_RUN_UDNL = 1,
	BOOTUPCB_NORMAL   = 2,
	BOOTUPCB_LAST     = 3,
	BOOTUPCB_PRIORITIES
} BOOTUPCB_PRIO;

struct import {
	u32		magic;		//0x41E00000
	struct import 	*next;
	short	version;	//mjmi (mj=major, mi=minor version numbers)
	short	flags;		//=0
	char	name[8];
	struct func_stub func[0];	//the last one is 0, 0 (i.e. nop, nop)
};

struct export {
	u32		magic_link;	//0x41C00000, prev
	struct export	*next;
	short	version;	//mjmi (mj=major, mi=minor version numbers)
	short	flags;		//=0
	char	name[8];
	func	func[45];	//usually module entry point (allways?)
//		func1
//		func2
//		func3
//		funcs	  	// more functions: the services provided my module
};

struct bootmode {
	short	unk0;
	char	id;
	char	len;
	int	data[0];
};

typedef struct boot_params {
	int		ramMBSize;		//+00/0 size of iop ram in megabytes (2 or 8)
	int		bootInfo;		//+04/1 ==QueryBootMode(KEY_IOPbootinfo)
	char*	udnlString;		//+08/2 points to the undl reboot string, NULL if no string
	u32		firstModuleAddr;//+0C/3 the load address of the first module (sysmem)
	int		pos;			//+10/4
	int		size;			//+14/5
	int		numConfLines;	//+18/6 number of lines in IOPBTCONF
	u32**	moduleAddrs;	//+1C/7 pointer to an array of addresses to load modules from
} BOOT_PARAMS;			//=20

void	FlushIcache();				//4 (14)
void	FlushDcache();				//5 (14,21,26)
int	RegisterLibraryEntries(struct export*);	//6 (05,06,07,13,14,17,18,28)
u32*	QueryBootMode(int code);		//12(11,21,25,26,28)
int	loadcore_call20_registerFunc(int (*function)(int *, int), int a1, int *result);
						//20(28)

#endif//__LOADCORE_H__