User’s Manual

 

IBM PowerPC 750GX and 750GL RISC Microprocessor

11.1

Performance-Monitor Interrupt ............................................................................................

........ 349

11.2

Special-Purpose Registers Used by Performance Monitor .........................................................

350

11.2.1 Performance-Monitor Registers .........................................................................................

351

 

11.2.1.1 Monitor Mode Control Register 0 (MMCR0) ...............................................................

351

 

11.2.1.2 User Monitor Mode Control Register 0 (UMMCR0) ....................................................

351

 

11.2.1.3 Monitor Mode Control Register 1 (MMCR1) ...............................................................

351

 

11.2.1.4 User Monitor Mode Control Register 1 (UMMCR1) ....................................................

351

 

11.2.1.5 Performance-Monitor Counter Registers (PMCn) ......................................................

351

 

11.2.1.6 User Performance-Monitor Counter Registers (UPMC1–UPMC4) ............................

354

 

11.2.1.7 Sampled Instruction Address Register (SIA) ..............................................................

355

 

11.2.1.8 User Sampled Instruction Address Register (USIA) ...................................................

355

11.3

Event Counting ............................................................................................................................

355

11.4

Event Selection ...........................................................................................................................

356

11.5

Notes ...........................................................................................................................................

356

11.6

Debug Support ............................................................................................................................

357

11.6.1 Overview ............................................................................................................................

357

11.6.2 Data-Address Breakpoint ................................................................................................

.. 357

11.7

JTAG/COP Functions .......................................................................................................

........... 357

11.7.1 Introduction ........................................................................................................................

357

11.7.2 Processor Resources Available through JTAG/COP Serial Interface ...............................

357

11.8

Resets .........................................................................................................................................

359

11.8.1 Hard Reset .............................................................................................................

........... 359

11.8.2 Soft Reset ..........................................................................................................................

359

11.8.3 Reset Sequence .........................................................................................................

....... 360

11.9

Checkstops .................................................................................................................................

361

11.9.1 Checkstop Sources ......................................................................................................

..... 361

11.9.2 Checkstop Control Bits .................................................................................................

..... 361

11.9.3 Open-Collector-Driver States during Checkstop ...............................................................

362

11.9.4 Vacancy Slot Application ...............................................................................................

.... 362

11.10 750GX Parity .............................................................................................................................

363

11.10.1 Parity Control and Status .............................................................................................

.... 364

11.10.2 Enabling Parity Error Detection .......................................................................................

364

11.10.3 Parity Errors .........................................................................................................

............ 364

Acronyms and Abbreviations ...................................................................................

365

Index

........................................................................................................................

.... 369

Revision Log ..............................................................................................................

377

750gx_umTOC.fm.(1.2)

 

March 27, 2006

Page 11 of 377