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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2026 Richard QIn
*/
#pragma once
#include "common/types.h"
#include "common/fcntl.h"
struct cpu;
struct Trapframe;
class Inode;
struct file;
enum ProcState
{
UNUSED,
USED,
SLEEPING,
RUNNABLE,
RUNNING,
ZOMBIE,
};
#define PRIO_MAX 0
#define PRIO_MIN 3
#define N_PRIO 4
// Context structure
struct Context
{
uint64 ra;
uint64 sp;
uint64 s0;
uint64 s1;
uint64 s2;
uint64 s3;
uint64 s4;
uint64 s5;
uint64 s6;
uint64 s7;
uint64 s8;
uint64 s9;
uint64 s10;
uint64 s11;
};
struct Proc
{
struct Context context;
struct Trapframe *tf;
uint64 *pagetable;
enum ProcState state;
int pid;
void *kstack;
char name[16];
uint64 sz;
struct Proc *parent;
void *chan;
int xstate;
int killed;
Inode *cwd;
struct file *ofile[NOFILE];
struct Proc *next;
struct Proc *prev;
struct Proc *all_next;
struct Proc *all_prev;
int priority;
int ticks;
struct cpu *cpu;
};
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