65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
#pragma once
|
|
|
|
#include "pageallocator.h"
|
|
#include "priorityqueue.h"
|
|
#include "resource.h"
|
|
#include "module.h"
|
|
#include "memorymap.h"
|
|
#include "syscallid.h"
|
|
#include <stddef.h>
|
|
|
|
typedef size_t (*syscall_t)(struct kernel_t*, size_t, size_t, size_t);
|
|
|
|
enum process_state_t
|
|
{
|
|
PROCESS_ACTIVE,
|
|
PROCESS_WAITING
|
|
};
|
|
|
|
struct process_context_t;
|
|
|
|
struct message_t
|
|
{
|
|
uint16_t sender, type;
|
|
uint32_t param1, param2, param3;
|
|
};
|
|
|
|
struct process_t
|
|
{
|
|
size_t priority;
|
|
size_t resource_id;
|
|
physaddr_t page_table;
|
|
struct process_context_t *state;
|
|
struct message_t *message;
|
|
};
|
|
|
|
struct kernel_t
|
|
{
|
|
struct page_stack_t *page_stack;
|
|
struct priority_queue_t *priority_queue;
|
|
struct resource_table_t *resource_table;
|
|
struct process_t *active_process;
|
|
};
|
|
|
|
extern syscall_t syscall_table[32];
|
|
|
|
extern struct kernel_t kernel_state;
|
|
|
|
void construct_kernel_state(struct kernel_t *kernel, struct page_stack_t *page_stack,
|
|
struct priority_queue_t *priority_queue, struct resource_table_t *resource_table,
|
|
size_t module_count, struct module_t *module_list);
|
|
|
|
size_t do_syscall(struct kernel_t *kernel, enum syscall_id_t id, size_t arg1, size_t arg2, size_t arg3);
|
|
|
|
int load_module(struct kernel_t *kernel, struct module_t *module);
|
|
|
|
struct process_context_t *next_process(struct kernel_t *kernel, struct process_context_t *prev_state);
|
|
|
|
int terminate_process(struct kernel_t *kernel, size_t process_id);
|
|
|
|
int accept_message(struct kernel_t *kernel, size_t process_id, struct message_t *message);
|
|
|
|
int send_message(struct kernel_t *kernel, size_t process_id, const struct message_t *message);
|
|
|
|
void panic(const char *message) __attribute__ ((noreturn));
|