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Paragraph
Number
5.4.2.3
5.5
5.5.1
5.5.1.1
5.5.1.2
5.5.1.3
5.5.1.4
5.5.2
5.5.2.1
5.5.2.2
5.5.2.3
5.5.2.4
5.5.2.5
5.5.2.6
5.5.2.7
5.5.2.8
5.5.2.9
5.5.2.10
5.5.2.11
5.5.2.12
5.5.3
5.5.3.1
5.5.3.1.1
5.5.3.1.2
5.5.3.1.3
5.5.3.1.4
5.5.3.2
5.5.3.2.1
5.5.3.2.2
5.5.3.2.3
5.5.3.2.4
5.5.3.2.5
5.5.3.2.6
5.5.3.2.7
5.5.4
5.5.4.1
5.5.4.2
5.5.4.3
5.6
5.6.1
5.6.1.1
5.6.1.2
MOTOROLA
TABLE OF CONTENTS (Continued)
Title
Page
Number
Changing Privilege Level ........................................................................ 5-39
Exception Processing ...................................................................................... 5-39
Exception Vectors ......................................................................................... 5-40
Types of Exceptions ................................................................................. 5-41
Exception Processing Sequence .......................................................... 5-41
Exception Stack Frame ............................................................................ 5-42
Multiple Exceptions .................................................................................. 5-42
Processing of Specific Exceptions ............................................................ 5-44
Reset ........................................................................................................... 5-44
Bus Error ..................................................................................................... 5-46
Address Error ............................................................................................. 5-46
Instruction Traps ........................................
~
............................................... 5-47
Software BreakpOints ............................................................................... 5-47
Hardware Breakpoints ............................................................................. 5-48
Format Error ............................................................................................... 5-48
Illegal or Unimplemented Instructions .................................................. 5-48
Privilege Violations ................................................................................... 5-49
Tracing ........................................................................................................ 5-50
Interrupts ..................................................................................................... 5-51
Retum from Exception .............................................................................. 5-52
Fault Recovery ............................................................................................... 5-53
Types of Faults .......................................................................................... 5-55
Type I-Released Write Faults ........................................................... 5-55
Type II-Prefetch, Operand, RMW, and MOVEP Faults ................. 5-56
Type III-Faults During MOVEM Operand Transfer ....................... 5-57
Type IV-Faults During Exception Processing ............................... 5-57
Correcting a Fault .................................................. , .................................. 5-57
Type !-Completing Released Writes via Software ....................... 5-57
Type I-Completing Released Writes via RTE ................................ 5-57
Type II-Correcting Faults via RTE .................................................... 5-58
Type III-Correcting Faults via Software .......................................... 5-58
Type III-Correcting Faults by Conversion and Restart ................. 5-58
Type III-Correcting Faults via RTE ................................................... 5-59
Type IV-Correcting Faults via Software ......................................... 5-59
CPU32 Stack Frames .................................................................................. 5-60
Four-Word Stack Frame .......................................................................... 5-60
Six-Word Stack Frame ............................................................................. 5-60·
Bus Error Stack Frame ............................................................................. 5-60
Development Support ...................................................................................... 5-63
CPU32 Integrated Development Support ................................................ 5-63
Background Debug Mode (BDM) Overview ........................................ 5-64
Deterministic Opcode Tracking Overview ............................................ 5-64
MC68340 USER'S MANUAL
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