99 lines
1.9 KiB
C
99 lines
1.9 KiB
C
#pragma once
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#include "avltree.h"
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#include "memmap.h"
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#include "priorityqueue.h"
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#include "mmgr.h"
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#include "syscalls.h"
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#include <stddef.h>
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#define MAX_SYSCALL_ID 256
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#define module_limit 8
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enum process_state_t
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{
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PROCESS_ACTIVE,
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PROCESS_WAITING
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};
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struct process_context_t;
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struct module_t
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{
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physaddr_t start;
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physaddr_t end;
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char str[64 - 2 * sizeof(physaddr_t)];
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};
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struct boot_info_t
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{
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char *bootloader;
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char *parameters;
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size_t module_count;
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struct memory_map_t map;
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struct module_t modules[module_limit];
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};
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struct message_t
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{
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unsigned long sender;
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unsigned long code;
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unsigned long args[6];
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};
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struct address_space_t
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{
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physaddr_t top_table;
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int counter;
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};
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struct process_t
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{
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size_t priority;
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size_t resource_id;
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physaddr_t page_table;
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struct process_context_t *state;
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struct message_t *message;
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};
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struct kernel_t
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{
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struct syscall_t syscall_table[MAX_SYSCALL_ID];
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struct priority_queue_t priority_queue;
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struct avltree_t *process_table;
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struct process_t *active_process;
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int next_pid;
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};
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void kernel_initialize(struct boot_info_t *boot_info);
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int set_syscall(int id, int arg_count, int pid, void *func_ptr);
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size_t do_syscall(enum syscall_id_t id, syscall_arg_t arg1, syscall_arg_t arg2, syscall_arg_t arg3);
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int load_module(struct module_t *module);
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int active_process();
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int add_process(void *program_entry, int priority, physaddr_t address_space);
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struct process_context_t *next_process();
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int terminate_process(size_t process_id);
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int store_active_context(struct process_context_t *context, size_t size);
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struct process_context_t *get_active_context();
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int open_port(int id);
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int close_port(int id);
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int send_message(int recipient, struct message_t *message);
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int receive_message(struct message_t *buffer);
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int request_message(struct message_t *buffer, void *temp);
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void panic(const char *message) __attribute__ ((noreturn));
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