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#ifndef _JOVE_HAL_PROCESS_H
#define _JOVE_HAL_PROCESS_H 1
#include "hal/memory.h"
#include "hal/obj.h"
#include "lib/rbtree.h"
#include "api/process.h"
#include "proc/ipc.h"
#ifdef DEBUG_IPC
#include "lib/printf.h"
#define ipc_klogf(fmt, ...) kprintf("%s: " fmt, __func__, __VA_ARGS__)
#else
#define ipc_klogf(fmt, ...)
#endif
struct pcb_header
{
struct rbtree_node tree_node;
struct pcb_header *sched_prev, *sched_next;
size_t size;
pid_t pid;
jove_obj_t *rootdir;
enum pcb_state state;
intmax_t state_code;
size_t block_until;
struct port mailbox;
void *ksp;
};
typedef struct process_control_block pcb_t;
jove_owned_obj_t *process_current(void);
int pcb_new(jove_owned_obj_t *pcb_obj, size_t size, jove_owned_obj_t *rootdir_obj);
int _pcb_new_arch(pcb_t *pcb);
pcb_t *pcb_frompid(pid_t pid);
pid_t pcb_getpid(pcb_t *pcb);
jove_obj_t *pcb_getrootdir(pcb_t *pcb);
jove_owned_obj_t *pcb_getpagedir(jove_owned_obj_t *rootdir_obj);
jove_owned_obj_t *pcb_getself(jove_owned_obj_t *rootdir_obj);
struct port *pcb_getport(pcb_t *pcb);
enum pcb_state pcb_getstate(pcb_t *pcb);
intmax_t pcb_getstatecode(pcb_t *pcb);
void *pcb_getksp(pcb_t *pcb);
void **pcb_getksp_ref(pcb_t *pcb);
pcb_t *pcb_frompid(pid_t pid);
int pcb_send(pcb_t *pcb, pid_t target, jove_owned_obj_t *subject, size_t timeout);
int pcb_recv(pcb_t *pcb, pid_t target, jove_owned_obj_t *dest_obj, size_t timeout);
physaddr_t pcb_get_syscall_stack(pcb_t *pcb);
physaddr_t pcb_get_interrupt_stack(pcb_t *pcb);
physaddr_t pcb_set_syscall_stack(pcb_t *pcb, physaddr_t page);
physaddr_t pcb_set_interrupt_stack(pcb_t *pcb, physaddr_t page);
void pcb_map_syscall_stack(pcb_t *pcb);
void pcb_map_interrupt_stack(pcb_t *pcb);
extern struct rbtree_node *pcb_tree;
#endif
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