Figure D-3. Procedure Stack Structure And Local Registers; Table D-1. Register And Data Structures - Intel i960 Jx Developer's Manual

Current Register Set
.
.
.
Frame Pointer (FP)
Previous Frame Pointer (PFP)
Stack Pointer (SP)
reserved for RIP
.
.
.

Figure D-3. Procedure Stack Structure and Local Registers

Section 7.1.1, "Local Registers and the Procedure Stack" (pg. 7-2)
REGISTER AND DATA STRUCTURES
Procedure Stack
Previous Frame Pointer (PFP)
g0
Stack Pointer (SP)
Return Instruction Pointer (RIP)
g15
user allocated stack
padding area
r0
r1
register
r2
save area
r15
user allocated stack
unused stack
stack growth
(toward higher addresses)
.
.
.
r0
r1
Previous
Stack
r2
Frame
.
.
r15
.
Current
Stack
Frame
D
D-5