toaruos/kernel/include/task.h

28 lines
633 B
C

#ifndef TASK_H
#define TASK_H
#include <types.h>
typedef struct page {
unsigned int present:1;
unsigned int rw:1;
unsigned int user:1;
unsigned int accessed:1;
unsigned int dirty:1;
unsigned int unused:7;
unsigned int frame:20;
} __attribute__((packed)) page_t;
typedef struct page_table {
page_t pages[1024];
} page_table_t;
typedef struct page_directory {
uintptr_t physical_tables[1024]; /* Physical addresses of the tables */
page_table_t *tables[1024]; /* 1024 pointers to page tables... */
uintptr_t physical_address; /* The physical address of physical_tables */
int32_t ref_count;
} page_directory_t;
#endif