Download MPC750 RISC Microprocessor Family User`s Manual

Freescale Semiconductor, Inc.
Contents
Freescale Semiconductor, Inc...
Paragraph
Number
4.3.2
4.3.3
4.3.4
4.4
4.5
4.5.1
4.5.2
4.5.2.1
4.5.2.2
4.5.3
4.5.4
4.5.5
4.5.6
4.5.7
4.5.8
4.5.9
4.5.10
4.5.11
4.5.12
4.5.13
4.5.14
4.5.15
4.5.16
Title
Page
Number
Steps for Exception Processing...................................................................... 4-10
Setting MSR[RI] ............................................................................................ 4-11
Returning from an Exception Handler........................................................... 4-11
Process Switching .............................................................................................. 4-12
Exception Definitions......................................................................................... 4-12
System Reset Exception (0x00100)............................................................... 4-13
Machine Check Exception (0x00200) ........................................................... 4-14
Machine Check Exception Enabled (MSR[ME] = 1)................................ 4-16
Checkstop State (MSR[ME] = 0) .............................................................. 4-16
DSI Exception (0x00300) .............................................................................. 4-17
ISI Exception (0x00400)................................................................................ 4-17
External Interrupt Exception (0x00500) ........................................................ 4-17
Alignment Exception (0x00600) ................................................................... 4-18
Program Exception (0x00700)....................................................................... 4-18
Floating-Point Unavailable Exception (0x00800) ......................................... 4-19
Decrementer Exception (0x00900)................................................................ 4-19
System Call Exception (0x00C00) ................................................................ 4-19
Trace Exception (0x00D00)........................................................................... 4-19
Floating-Point Assist Exception (0x00E00) .................................................. 4-20
Performance Monitor Interrupt (0x00F00) .................................................... 4-20
Instruction Address Breakpoint Exception (0x01300)................................... 4-21
System Management Interrupt (0x01400) ..................................................... 4-22
Thermal Management Interrupt Exception (0x01700) .................................. 4-23
Chapter 5
Memory Management
5.1
5.1.1
5.1.2
5.1.3
5.1.4
5.1.5
5.1.6
5.1.6.1
5.1.6.2
5.1.7
5.1.8
5.2
5.3
MMU Overview................................................................................................... 5-2
Memory Addressing......................................................................................... 5-3
MMU Organization.......................................................................................... 5-4
Address Translation Mechanisms .................................................................... 5-7
Memory Protection Facilities........................................................................... 5-9
Page History Information............................................................................... 5-10
General Flow of MMU Address Translation ................................................. 5-11
Real Addressing Mode and Block Address
Translation Selection ............................................................................. 5-11
Page Address Translation Selection........................................................... 5-12
MMU Exceptions Summary .......................................................................... 5-14
MMU Instructions and Register Summary .................................................... 5-16
Real Addressing Mode....................................................................................... 5-18
Block Address Translation ................................................................................. 5-18
MPC750 RISC Microprocessor Family User’s Manual
For More Information On This Product,
Go to: www.freescale.com