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INITIALIZATION AND SYSTEM REQUIREMENTS
Fixed Data Structures
Init. Boot Record (IBR):
PMCON
Byte 0
PMCON
Byte 1
PMCON
Byte 2
PMCON
Byte 3
First Instruction
Pointer
PRCB Pointer
6 Check Words
(For Bus Confidence
Self-Test)
Figure 12-4. Initial Memory Image (IMI) and Process Control Block (PRCB)
12-12
Relocatable Data Structures
User Code:
Address
FEFF FF30H
FEFF FF34H
FEFF FF38H
FEFF FF3CH
FEFF FF40H
FEFF FF44H
FEFF FF48H
FEFF FF5CH
Process Control Block (PRCB):
Fault Table Base Address
Control Table Base Address
AC Register Initial Image
Fault Configuration Word
Interrupt Table Base Address
System Procedure
Table Base Address
Reserved
Interrupt Stack Pointer
Instruction Cache
Configuration Word
Register Cache
Configuration Word
Control Table
Interrupt Table
System Procedure Table
Other Architecturally
Defined Data
Structures (Not
Required As Part Of IMI)
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