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#ifndef _JOVE_OBJECT_H
#define _JOVE_OBJECT_H
#include <stdint.h>
#if defined(__x86_64__)
#include "arch/x86_64/object.h"
#endif
enum
{
/* Generic objects */
KO_NONE = 0,
KO_OBJECT_DIRECTORY,
KO_INIT_DATA,
KO_MEMORY_UNTYPED,
KO_MEMORY_MAPPED_PAGE, //4KiB Fixed Width
KO_MEMORY_MAPPING_PAGE, //4Kib Fixed Width
KO_INITRD_FILE,
KO_TCB,
KO_KERNEL_STACK,
KO_MESSAGE,
/* Device objects*/
KO_DEV_INVALID = 0x100,
KO_DEV_PROCESSOR,
KO_DEV_UART
};
typedef uintmax_t obj_path_t;
typedef uint16_t obj_type_t;
typedef struct jove_ObjectDirectoryEntry
{
obj_type_t type;
union {
struct {
char lock : 1;
char u0 : 7;
char u1;
};
unsigned short flg;
};
uintmax_t data;
} objdir_entry_t;
#define OBJECT_DIRECTORY_MAX_ENTRIES 256
//The first entry always represents itself, which allows the kernel to ignore
//some checks.
//The data variable also contains the next free index for this directory.
typedef struct jove_ObjectDirectory
{
union {
objdir_entry_t self;
objdir_entry_t entries[OBJECT_DIRECTORY_MAX_ENTRIES];
};
} objdir_t;
objdir_entry_t *objdir_seek(objdir_t *dir, uintmax_t index);
#endif
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