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#ifndef _JOVE_ARCH_HAL_OBJ_H
#define _JOVE_ARCH_HAL_OBJ_H 1
#include <stdatomic.h>
#include <stdint.h>
#include <stddef.h>
enum
{
JOVE_OBJ_SERIAL_COM = 0x80,
JOVE_OBJ_IOPB
};
/*Represents a locked kernel object pointer inside of a object directory.*/
typedef union jove_obj
{
struct {
uint8_t type;
atomic_flag lock;
/*Raw value or pointer to a data-structure located in kernel memory.*/
uint64_t value : 48;
};
uintmax_t data;
} jove_obj_t;
/*Represents an unlocked kernel object pointer.
*This object should only exist temporarily while accessing the underlying
*structure this object points to.*/
typedef struct jove_locked_obj
{
jove_obj_t locked;
} jove_owned_obj_t;
/*Object directories are always 1 page wide. Since an object inside the directory
* is a pointer width, on x86_64 that is 512 entries per directory.*/
#define JOVE_OBJDIR_SIZE 0x1000
#define JOVE_OBJDIR_ENTRIES (JOVE_OBJDIR_SIZE / sizeof(jove_obj_t))
#endif
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