arch/x86_64/hal/process.h


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#ifndef _JOVE_x86_64_HAL_PROCESS_H
#define _JOVE_x86_64_HAL_PROCESS_H 1

#include "hal/obj.h"
#include "arch/x86_64/x86_64.h"

enum pcb_state
{
    PCB_DEAD, PCB_READY, PCB_RUNNING, PCB_BLOCKED
};

struct pcb_mailbox
{
    jove_obj_t *obj;
    uintmax_t pcbid;
};

typedef struct process_control_block
{
    jove_obj_t *rootdir;
    uintptr_t pml4;

    enum pcb_state state;
    int killed;
    struct pcb_mailbox send, recv;
    
    struct cpu_context context;
    void *ksp;
    char kstack[];
} pcb_t;

#define PCB_KSTACK_SIZE (0x1000 - sizeof(pcb_t))

#endif