nathan/quark-kernel
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This commit is contained in:
ngiddings
2022-06-15 15:59:31 -05:00
parent c962a83ff0
commit a52f06f81e
49 changed files with 1855 additions and 1083 deletions
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59
include/kernel.h
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@@ -1,14 +1,14 @@
#pragma once
#include "pageallocator.h"
#include "avltree.h"
#include "memmap.h"
#include "priorityqueue.h"
#include "resource.h"
#include "module.h"
#include "memorymap.h"
#include "syscallid.h"
#include "mmgr.h"
#include "syscalls.h"
#include <stddef.h>
typedef size_t (*syscall_t)(struct kernel_t*, size_t, size_t, size_t);
#define MAX_SYSCALL_ID 256
#define module_limit 8
enum process_state_t
{
@@ -18,6 +18,22 @@ enum process_state_t
struct process_context_t;
struct module_t
{
physaddr_t start;
physaddr_t end;
char str[64 - 2 * sizeof(physaddr_t)];
};
struct boot_info_t
{
char *bootloader;
char *parameters;
size_t module_count;
struct memory_map_t map;
struct module_t modules[module_limit];
};
struct message_t
{
uint16_t sender, type;
@@ -35,30 +51,33 @@ struct process_t
struct kernel_t
{
struct page_stack_t *page_stack;
struct priority_queue_t *priority_queue;
struct resource_table_t *resource_table;
struct syscall_t syscall_table[MAX_SYSCALL_ID];
struct priority_queue_t priority_queue;
struct avltree_t *process_table;
struct process_t *active_process;
int next_pid;
};
extern syscall_t syscall_table[32];
void kernel_initialize(struct boot_info_t *boot_info);
extern struct kernel_t kernel_state;
int set_syscall(int id, int arg_count, int pid, void *func_ptr);
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(enum syscall_id_t id, syscall_arg_t arg1, syscall_arg_t arg2, syscall_arg_t arg3);
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 module_t *module);
int load_module(struct kernel_t *kernel, struct module_t *module);
int active_process();
struct process_context_t *next_process(struct kernel_t *kernel, struct process_context_t *prev_state);
int add_process(void *program_entry, int priority, physaddr_t address_space);
int terminate_process(struct kernel_t *kernel, size_t process_id);
struct process_context_t *next_process(struct process_context_t *prev_state);
int accept_message(struct kernel_t *kernel, size_t process_id, struct message_t *message);
int terminate_process(size_t process_id);
int send_message(struct kernel_t *kernel, size_t process_id, const struct message_t *message);
/*
int accept_message(size_t process_id, struct message_t *message);
int send_message(size_t process_id, const struct message_t *message);
*/
void panic(const char *message) __attribute__ ((noreturn));