Analog Devices ADSP-BF53x Blackfin Reference page 425

higher memory
. . .
. . .
Saved RETS
Prior FP
Allocated
words for local
subroutine
variables
. . .
lower memory
higher memory
. . .
. . .
Saved RETS
Prior FP
Allocated
words for local
subroutine
variables
R0
R1
:
R7
P0
:
P5
lower memory
The Stack Pointer must already be 32-bit aligned to use this instruction. If
an unaligned memory access occurs, an exception is generated and the
instruction aborts, as described above.
ADSP-BF53x/BF56x Blackfin Processor Programming Reference
AFTER LINK EXECUTES
<-FP
<-SP = FP +– frame_size
AFTER A PUSH
MULTIPLE EXECUTES
<-FP
<-SP
Stack Control
10-19