#pragma once
/**
* 系统调用说明
* 1 printf
*
* 255 AHCI end_request
*/
#define SYS_NOT_EXISTS 0
#define SYS_PUT_STRING 1
#define SYS_OPEN 2
#define SYS_CLOSE 3
#define SYS_READ 4
#define SYS_WRITE 5
#define SYS_LSEEK 6
#define SYS_AHCI_END_REQ 255 // AHCI DMA请求结束end_request的系统调用