SuperH (SH) 64-bit RISC Series SH-5 System Architecture, Volume ...

PRELIMINARY DATA
Debug event actions 51
WPC.WP_nx_ACTION
where
n = {IA/OA/IV}
x = channel ID (relative to N)
Field Bits Size Volatile? Synopsis Type
ACTION_CHAIN_
ALTER
[7:6] 2 — Enable chain-latch alteration RW
Operation
When read
When written
HARD reset
Specifies if and how a chain latch is modified according to the
match state. The chain latch is specified by the CHAIN_ID field.
Section 1.6: WP channel matching on page 66 defines the
terms used below.
Value - Description
0b00: do not alter the chain latch.
0b01: do not alter the chain latch.
0b10: if EXTRA_HIT, clear the chain latch.
0b11: if EXTRA_HIT, set the chain latch.
Returns current value
Updates value
Undefined
CHAIN_ID [11:8] 4 — Chain-latch ID RW
Operation
When read
When written
HARD reset
Defines the chain-latch used in conjunction with
ACTION_CHAIN_ALTER. Only certain chain-latches can be
controlled by each watchpoint. See Section 4.1.4: Chain latches
on page 243.
Returns current value
Updates value
D R A FT
Undefined
Table 18: WPC.WP_{IA/OA/IV}x_ACTION register definition
05-SA-10003 v1.0
SuperH, Inc.
SH-5 System Architecture, Volume 3: Debug