76 lines
1.5 KiB
C
Executable File
76 lines
1.5 KiB
C
Executable File
/**
|
|
* @file sys.c
|
|
* @author zhangzheng (1358745329@qq.com)
|
|
* @brief 内核的信息输出对象，用户态使用该对象进行数据输出。
|
|
* @version 0.1
|
|
* @date 2023-09-16
|
|
*
|
|
* @copyright Copyright (c) 2023
|
|
*
|
|
*/
|
|
#include "log.h"
|
|
#include "factory.h"
|
|
#include "kobject.h"
|
|
#include "globals.h"
|
|
#include "init.h"
|
|
#include "printk.h"
|
|
#include "types.h"
|
|
#include "util.h"
|
|
#include "arch.h"
|
|
|
|
typedef struct sys
|
|
{
|
|
kobject_t kobj;
|
|
} sys_t;
|
|
|
|
static sys_t sys_boj;
|
|
|
|
enum sys_op
|
|
{
|
|
SYS_INFO_GET,
|
|
REBOOT,
|
|
};
|
|
static void sys_syscall(kobject_t *kobj, syscall_prot_t sys_p, msg_tag_t in_tag, entry_frame_t *f);
|
|
|
|
static void sys_reg(void)
|
|
{
|
|
kobject_init(&sys_boj.kobj);
|
|
sys_boj.kobj.invoke_func = sys_syscall;
|
|
global_reg_kobj(&sys_boj.kobj, SYS_PROT);
|
|
}
|
|
INIT_KOBJ(sys_reg);
|
|
|
|
static void sys_syscall(kobject_t *kobj, syscall_prot_t sys_p, msg_tag_t in_tag, entry_frame_t *f)
|
|
{
|
|
msg_tag_t tag = msg_tag_init4(0, 0, 0, -EINVAL);
|
|
if (sys_p.prot != SYS_PROT)
|
|
{
|
|
f->r[0] = msg_tag_init4(0, 0, 0, -EPROTO).raw;
|
|
return;
|
|
}
|
|
switch (sys_p.op)
|
|
{
|
|
case SYS_INFO_GET:
|
|
{
|
|
f->r[1] = sys_tick_cnt_get();
|
|
f->r[2] = KNL_TEXT + BOOTFS_ADDR_OFFSET;
|
|
tag = msg_tag_init4(0, 0, 0, 0);
|
|
}
|
|
break;
|
|
case REBOOT:
|
|
{
|
|
printk("Unsupport.\n");
|
|
tag = msg_tag_init4(0, 0, 0, -ENOSYS);
|
|
}
|
|
break;
|
|
default:
|
|
tag = msg_tag_init4(0, 0, 0, -ENOSYS);
|
|
break;
|
|
}
|
|
f->r[0] = tag.raw;
|
|
return;
|
|
}
|
|
|
|
void sys_dump(void)
|
|
{
|
|
} |