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

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PRELIMINARY DATA<br />

60 Debug event actions<br />

DM.WP_PLx_ACTION<br />

where x = channel ID (relative to PL)<br />

Field Bits Size Volatile? Synopsis Type<br />

ACTION_<br />

ECOUNT<br />

1 1 — Event count decrement enable RW<br />

Operation<br />

When read<br />

When written<br />

HARD reset<br />

Enables or disables decrement of an event counter for a bus<br />

analyzer WP channel.<br />

The event counter is specified by the ECOUNT_ID field of this<br />

register.<br />

Section 1.6: WP channel matching on page 66 defines the<br />

terms used below.<br />

Value - Description<br />

0: event count decrement disabled<br />

1: if PARTIAL_WP_HIT, decrement enabled. No other action will<br />

occur unless the specified event counter contains 0.<br />

Returns current value<br />

Updates value<br />

Undefined<br />

ECOUNT_ID [5:2] 4 — Event counter ID RW<br />

ACTION_CHAIN_<br />

ALTER<br />

Operation<br />

When read<br />

When written<br />

HARD reset<br />

Defines the event counter used in the debug event match. See<br />

Section 4.1.2: Event counters on page 242. Only those event<br />

counters located in the DM can be used.<br />

Returns current value<br />

Updates value<br />

Undefined<br />

D R A FT<br />

[7:6] 2 — Enable chain-latch alteration RW<br />

See the action_chain_alter field of Table 18 on page 49<br />

Table 20: DM.WP_PLx_ACTION register definition<br />

<strong>SuperH</strong>, Inc.<br />

<strong>SH</strong>-5 <strong>System</strong> <strong>Architecture</strong>, <strong>Volume</strong> 3: Debug 05-SA-10003 v1.0

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