DSP Trace Entry

DSP Trace Entry

 

event-type

= ‘D’

event-code

= dispatch priority

TTEWORD1

= R15

TTEWORD2

= R12

TTEWORD3

= R13

Return from SVC Trace Entry

event-type

= ‘W’

event-code

= dispatch priority

TTEWORD1

= R15

TTEWORD2

= R0

TTEWORD3

= R1

SIO Trace Entry

 

event-type

= ‘S’

event-code

= device address

TTEWORD1

= IOB address

TTEWORD2

= CAW

TTEWORD3

= Reserved

I/O Trace Entry

 

event-type

= ‘I’

event-code

= device address

TTEWORD1

= IOB address

TTEWORD2

= CSW (bytes 0-3)

TTEWORD3

= CSW (bytes 4-7)

SVC Trace Entry

 

event-type

= ‘V’

event-code

= SVC number

TTEWORD1

= R15

TTEWORD2

= R0

TTEWORD3

= R1

PGM Trace Entry

 

event-type

= ‘P’

event-code

= program interrupt code

TTEWORD1

= R15

TTEWORD2

= R12

TTEWORD3

= R1

MCK Trace Entry

event-type

= ‘M’

event-code

= machine check interrupt code (bytes 0-3)

TTEWORD1

= machine check interrupt code (bytes 4-7)

TTEWORD2

= external damage code

TTEWORD3

= failing storage address

Chapter 5. Problem Determination, Diagnostics, and Recovery 351

1st ed., 6/30/04 - 312579601

Page 381
Image 381
StorageTek 6 manual DSP Trace Entry