include/modules.h

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/*
 * AcessOS 2
 * - Module Loader
 */
#ifndef _MODULE_H
#define _MODULE_H

#define MODULE_MAGIC    ('A'|('M'<<8)|('D'<<16)|('\2'<<24))

// IA32 - Architecture 1
#if ARCHDIR == x86
# define MODULE_ARCH_ID 1
// IA64 - Architecture 2
#elif ARCHDIR == x86_64
# define MODULE_ARCH_ID 2
#else
# error "Unknown architecture when determining MODULE_ARCH_ID ('" #ARCHDIR "')"
#endif

#define MODULE_DEFINE(_flags,_ver,_ident,_entry,_deinit,_deps...) \
    char *EXPAND_CONCAT(_DriverDeps_,_ident)[]={_deps};\
    tModule __attribute__ ((section ("KMODULES"),unused))\
    EXPAND_CONCAT(_DriverInfo_,_ident)=\
    {MODULE_MAGIC,MODULE_ARCH_ID,_flags,_ver,NULL,EXPAND_STR(_ident),\
    _entry,_deinit,EXPAND_CONCAT(_DriverDeps_,_ident)}

typedef struct sModule 
{
    Uint32  Magic;  
    Uint8   Arch;   
    Uint8   Flags;  
    Uint16  Version;    
    struct sModule  *Next;  
    char    *Name;  
     int    (*Init)(char **Arguments);  
    void    (*Deinit)(void);    
    char    **Dependencies; 
} PACKED tModule;

enum eModuleErrors
{
    MODULE_ERR_OK,  
    MODULE_ERR_MISC,    
    MODULE_ERR_NOTNEEDED,   
    MODULE_ERR_MALLOC,  
    
    MODULE_ERR_BADMODULE,   
    MODULE_ERR_MAX  
};

typedef struct sModuleLoader
{
    struct sModuleLoader    *Next;  
    char    *Name;  
     int    (*Detector)(void *Base);    
     int    (*Loader)(void *Base);  
     int    (*Unloader)(void *Base);    
} PACKED tModuleLoader;

extern int  Module_RegisterLoader(tModuleLoader *Loader);

extern int  Modules_InitialiseBuiltin(const char *Name);

#endif

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