DRIVER.EQU
资源名称:drdossrc.zip [点击查看]
上传用户:xiaogehua
上传日期:2007-01-08
资源大小:1183k
文件大小:3k
源码类别:
操作系统开发
开发平台:
Asm
- ; File : $DRIVER.EQU$
- ;
- ; Description :
- ;
- ; Original Author : DIGITAL RESEARCH
- ;
- ; Last Edited By : $CALDERA$
- ;
- ;-----------------------------------------------------------------------;
- ; Copyright Work of Caldera, Inc. All Rights Reserved.
- ;
- ; THIS WORK IS A COPYRIGHT WORK AND CONTAINS CONFIDENTIAL,
- ; PROPRIETARY AND TRADE SECRET INFORMATION OF CALDERA, INC.
- ; ACCESS TO THIS WORK IS RESTRICTED TO (I) CALDERA, INC. EMPLOYEES
- ; WHO HAVE A NEED TO KNOW TO PERFORM TASKS WITHIN THE SCOPE OF
- ; THEIR ASSIGNMENTS AND (II) ENTITIES OTHER THAN CALDERA, INC. WHO
- ; HAVE ACCEPTED THE CALDERA OPENDOS SOURCE LICENSE OR OTHER CALDERA LICENSE
- ; AGREEMENTS. EXCEPT UNDER THE EXPRESS TERMS OF THE CALDERA LICENSE
- ; AGREEMENT NO PART OF THIS WORK MAY BE USED, PRACTICED, PERFORMED,
- ; COPIED, DISTRIBUTED, REVISED, MODIFIED, TRANSLATED, ABRIDGED,
- ; CONDENSED, EXPANDED, COLLECTED, COMPILED, LINKED, RECAST,
- ; TRANSFORMED OR ADAPTED WITHOUT THE PRIOR WRITTEN CONSENT OF
- ; CALDERA, INC. ANY USE OR EXPLOITATION OF THIS WORK WITHOUT
- ; AUTHORIZATION COULD SUBJECT THE PERPETRATOR TO CRIMINAL AND
- ; CIVIL LIABILITY.
- ;-----------------------------------------------------------------------;
- ;
- ; *** Current Edit History ***
- ; *** End of Current Edit History ***
- ;
- ; $Log$
- ; ENDLOG
- ; Device driver header offsets.
- DH_NEXT equ es:dword ptr 0 ; Dword Pointer to Next DEV
- DH_NEXTOFF equ es:word ptr 0 ; Offset of next device
- DH_NEXTSEG equ es:word ptr 2 ; Segment of next device
- DH_ATTRIB equ es:word ptr 4 ; device attribute bits
- DH_STRATEGY equ es:word ptr 6 ; offset of strategy entry
- DH_INTERRUPT equ es:word ptr 8 ; offset of interupt entry
- DH_NAME equ es:byte ptr 10 ; 8-BYTE device name
- DA_CHARDEV equ 8000h ; 1=character device, 0=block device
- DA_IOCTL equ 4000h ; device supports IOCTL string I/O
- DA_NONIBM equ 2000h ; dosen't require FAT for login
- DA_OTILBSY equ 2000h ; supports "output until busy"
- DA_REMOVE equ 0800h ; supports "removable media" check
- DA_QUERY equ 0080h ; supports query ioctl
- DA_GETSET equ 0040h ; supports 3.2 level functionality
- DA_SPECIAL equ 0010h ; fast console ouput via INT 29h
- DA_ISCLK equ 0008h ; device is current clock device
- DA_ISNUL equ 0004h ; device is NUL device (reserved)
- DA_BIGDRV equ 0002h ; supports > 65535 sector per drive
- DA_ISCOT equ 0002h ; device is standard output device
- DA_ISCIN equ 0001h ; device is standard input device
- FASTCON_INT equ 29h ; fast console output interrupt