我试图将键盘ISR与下面的代码联系起来,但我不能,因为deviceiocontrol api返回error_invalid_function。这是我的代码:
invoke DefineDosDevice,[raw],filename1,devicename
lea rcx,[filename2]
invoke CreateFileA,rcx,GENERIC_WRITE,0,0,OPEN_EXISTING,0,0
MOV [HI8042KBDHOOKISR],RAX
MOV RAX,0
MOV RCX,sizeof._INTERNAL_I8042_START_INFORMATION
LEA RDI,[INTERNAL_I8042_START_INFORMATION]
REP STOSB
MOV RCX,sizeof._INTERNAL_I8042_START_INFORMATION
MOV [INTERNAL_I8042_START_INFORMATION.Size1],RCX
invoke DeviceIoControl,[HI8042KBDHOOKISR],[Intel8042],INTERNAL_I8042_START_INFORMATION,sizeof._INTERNAL_I8042_START_INFORMATION,INTERNAL_I8042_START_INFORMATION,sizeof._INTERNAL_I8042_START_INFORMATION,NIL,0
LEA RBX,[MYKBDISR]
MOV [INTERNAL_I8042_START_INFORMATION.InterruptObject],RBX
RET
MYKBDISR:
CALL GET_SCANCODE
...
section '.data' data writeable readable
devicename db 'DeviceKeyboardClass0',0
filename1 db 'keyboard',0
filename2 db '\.keyboard',0
filename3 db '\.Keybd',0
raw dq 1
HI8042KBDHOOKISR dq 0
NIL dq 0
Intel8042 dq 0B3FCFh
请参阅代码并回答我:我在上面的代码中错了?为什么deviceiocontrol返回error_invalid_function?
IOCTL_INTERNAL_I8042_KEYBOARD_START_INFORMATION
这是内部设备IO控制代码(IRP_MJ_INTERNAL_DEVICE_CONTROL
)。这种控件无法通过DeviceIoControl
(仅发送IRP_MJ_DEVICE_CONTROL
)以及用户模式发送。而且中断也无法在用户模式下处理。您还读过:
i8042prt同步发送此请求到设备的顶部创建键盘中断对象后的堆栈。
so-不是您必须发送此请求,而是Visa Vera -visa -visa -nur -te filter驱动程序连接到键盘设备上。并处理此请求