4 exception types and priorities – Renesas SH7781 User Manual
Page 126
5. Exception Handling
Rev.1.00 Jan. 10, 2008 Page 96 of 1658
REJ09B0261-0100
5.4
Exception Types and Priorities
Table 5.3 shows the types of exceptions, with their relative priorities, vector addresses, and
exception/interrupt codes.
Table 5.3
Exceptions
Exception Transition
Direction*
3
Exception
Category
Execution
Mode
Exception
Priority
Level*
2
Priority
Order*
2
Vector
Address Offset
Exception
Code*
4
Power-on reset
1
1
H
'A000 0000 —
H
'000
Manual reset
1
2
H
'A000 0000 —
H
'020
H-UDI reset
1
1
H
'A000 0000 —
H
'000
Instruction TLB multiple-hit
exception
1 3 H
'A000 0000 —
H
'140
Reset Abort
type
Data TLB multiple-hit exception
1
4
H
'A000 0000 —
H
'140
User break before instruction
execution*
1
2 0 (VBR/DBR)
H
'100/— H'1E0
Instruction address error
2
1
(VBR)
H
'100 H'0E0
Instruction TLB miss exception
2
2
(VBR)
H
'400 H'040
Instruction TLB protection
violation exception
2 3 (VBR) H
'100 H'0A0
General illegal instruction
exception
2 4 (VBR) H
'100 H'180
Slot illegal instruction exception
2
4
(VBR)
H
'100 H'1A0
General FPU disable exception
2
4
(VBR)
H
'100 H'800
Slot FPU disable exception
2
4
(VBR)
H
'100 H'820
Data address error (read)
2
5
(VBR)
H
'100 H'0E0
Data address error (write)
2
5
(VBR)
H
'100 H'100
Data TLB miss exception (read)
2
6
(VBR)
H
'400 H'040
Data TLB miss exception (write)
2
6
(VBR)
H
'400 H'060
Data TLB protection
violation exception (read)
2 7 (VBR) H
'100 H'0A0
Data TLB protection
violation exception (write)
2 7 (VBR) H
'100 H'0C0
General
exception
Re-
execution
type
FPU exception
2
8
(VBR)
H
'100 H'120
Initial page write exception
2
9
(VBR)
H
'100 H'080