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INITIALIZATION AND SYSTEM REQUIREMENTS
12.3.1.2
Process Control Block (PRCB)
The PRCB contains base addresses for system data structures and initial configuration information
for the core and integrated peripherals. The base addresses are accessed from these internal
registers. The registers are accessible to the users through the memory mapped interface. Upon
reset or reinitialization, the registers are initialized. The PRCB format is shown in
Physical Address
PRCB POINTER + 00H
PRCB POINTER + 04H
PRCB POINTER + 08H
PRCB POINTER + 0CH
PRCB POINTER + 10H
PRCB POINTER + 14H
PRCB POINTER + 18H
PRCB POINTER + 1CH
PRCB POINTER + 20H
PRCB POINTER + 24H
The initial configuration information is programmed in the arithmetic controls (AC) initial image,
the fault configuration word, the instruction cache configuration word, and the register cache
configuration word.
Figure 12-6
12-16
Table 12-6. PRCB Configuration
Description
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
shows these configuration words.
Table
12-6.
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