Difference between revisions of "/dev/pm"

Latest revision as of 11:50, 20 May 2023

/dev/pm is the IOSU device node for Power Management.

Sets/Clears if the IsPowerTransitionsEnabled bit in Boot1#BootFlags.

Checks if the IsPowerTransitionsEnabled bit is set in Boot1#BootFlags.

Registers a resource manager in PM to receive PM events.

Sets the state of a registered resource manager to 1.

Starts a power transition to PM_STANDBY (or PM_OFF if standby is disabled).

Starts a power transition to PM_RESTART to the current coldboot OS title.

Requests power transitions to be disabled or enabled.

Takes a 32-bit int.

@@ Line 1: / Line 1: @@
+{{DEFAULTSORT:dev/usr_cfg}}
+[[Category:Wii U Filesystem]]
+'''/dev/pm''' is the IOSU device node for Power Management.
 == ioctl() interface ==
+=== 0x43 - Set/Clear IsPowerTransitionsEnabled BootFlag ===
+Sets/Clears if the IsPowerTransitionsEnabled bit in [[Boot1#BootFlags]].
+=== 0x44 - Check IsPowerTransitionsEnabled BootFlag ===
+Checks if the IsPowerTransitionsEnabled bit is set in [[Boot1#BootFlags]].
+=== 0xe0 - Register Resource Manager ===
+Registers a resource manager in PM to receive PM events.
+=== 0xe1 - Activate Resource Manager? ===
+Sets the state of a registered resource manager to 1.
+=== 0xe2 - Enter Standby ===
+Starts a power transition to <code>PM_STANDBY</code> (or <code>PM_OFF</code> if standby is disabled).
+=== 0xe3 - Restart ===
+Starts a power transition to <code>PM_RESTART</code> to the current coldboot OS title.
+=== 0xe4 - Request SetPowerTransitions ===
+Requests power transitions to be disabled or enabled.
+=== 0xe5 - Unknown ===
 === 0xe6 - MCP_PowerButtonEvent() ===
 Takes a 32-bit int.