74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
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/*
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* @Author: zhangzheng 1358745329@qq.com
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* @Date: 2023-08-14 09:47:54
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* @LastEditors: zhangzheng 1358745329@qq.com
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* @LastEditTime: 2023-08-14 13:10:35
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* @FilePath: /mkrtos-real/mkrtos_knl/knl/log.c
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* @Description: 内核的信息输出对象，用户态使用该对象进行数据输出。
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*/
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#include "log.h"
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#include "factory.h"
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#include "kobject.h"
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#include "globals.h"
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#include "init.h"
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#include "printk.h"
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#include "types.h"
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#include "util.h"
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#include "arch.h"
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typedef struct sys
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{
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kobject_t kobj;
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} sys_t;
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static sys_t sys_boj;
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enum sys_op
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{
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SYS_INFO_GET,
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REBOOT,
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};
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static void sys_syscall(kobject_t *kobj, syscall_prot_t sys_p, msg_tag_t in_tag, entry_frame_t *f);
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static void sys_reg(void)
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{
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kobject_init(&sys_boj.kobj);
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sys_boj.kobj.invoke_func = sys_syscall;
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global_reg_kobj(&sys_boj.kobj, SYS_PROT);
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}
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INIT_KOBJ(sys_reg);
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static void sys_syscall(kobject_t *kobj, syscall_prot_t sys_p, msg_tag_t in_tag, entry_frame_t *f)
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{
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msg_tag_t tag = msg_tag_init4(0, 0, 0, -EINVAL);
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if (sys_p.prot != LOG_PROT)
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{
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f->r[0] = msg_tag_init4(0, 0, 0, -EPROTO).raw;
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return;
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}
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switch (sys_p.op)
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{
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case SYS_INFO_GET:
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{
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f->r[1] = sys_tick_cnt_get();
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tag = msg_tag_init4(0, 0, 0, 0);
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}
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break;
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case REBOOT:
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{
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printk("Unsupport.\n");
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tag = msg_tag_init4(0, 0, 0, -ENOSYS);
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}
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break;
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default:
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tag = msg_tag_init4(0, 0, 0, -ENOSYS);
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break;
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}
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f->r[0] = tag.raw;
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return;
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}
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void sys_dump(void)
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{
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}
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