NonStop S-Series Server Description Manual (G06.24+)

Interrupt System
HP NonStop S-Series Server Description Manual—520331-003
8-5
Interrupt Sequence
Figure 8-2. Interrupts Invoke Interrupt Handlers, Return to Interrupted Code
System
Software
ServerNet
Packet
Access
Validation
and
Translation
Cause
IPC
I/O
Errors
Coherency
System
Interrupt
Vector
(SIV)
AVT
External
Interface
RISC Chip
(R4400 or R10000)
Cause
Register
Processor
Millicode
Exception-Handling
Millicode
Simulated INTA
Return to
Interrupted
Code
Register
Save
IPC
Interrupt
Handler
I/O
Interrupt
Handler
Error
Interrupt
Handler
Interrupt
Routine
ServerNet
Services
Interrupt Handlers
2
3
4
5
6
7
8
9
10
1
11
12
13
Hardware
and
Millicode
Software
VST361.vsd