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!isr

The !isr extension displays the Itanium Interruption Status Register (ISR) at the specified address.

!isr Expression [DisplayLevel]

Parameters

Expression

Specifies the hexadecimal address of the ISR register to display. The expression @isr can also be used for this parameter. In that case, information about the current processor ISR register is displayed.

DisplayLevel

Can be any one of the following options:

0

Displays only the values of each ISR field. This is the default.

1

Displays detailed information about ISR fields that are not reserved or ignored.

2

Displays details about all ISR fields, including those that are ignored or reserved.

DLL

Windows 2000

Unavailable

Windows XP and later

Kdexts.dll

 

This extension command can only be used with an Itanium target computer.

Remarks

Here are a couple of examples of output from this extension:

kd> !isr @isr
isr:ed ei so ni ir rs sp na r w x vector code
  0  0  0  0  0  0  0  0 0 0 0      0   0

kd> !isr @isr 2

 cod : 0 : interruption Code
 vec : 0 : IA32 exception vector number
  rv : 0 : reserved0
   x : 0 : eXecute exception
   w : 0 : Write exception
   r : 0 : Read exception
  na : 0 : Non-Access exception
  sp : 0 : Speculative load exception
  rs : 0 : Register Stack
  ir : 0 : Invalid Register frame
  ni : 0 : Nested Interruption
  so : 0 : IA32 Supervisor Override
  ei : 0 : Exception IA64 Instruction
  ed : 0 : Exception Deferral
  rv : 0 : reserved1

 

 

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