Showing changes from revision #1 to #2:
Added | Removed | Changed
Entry | |
---|---|
R1 | 138 (&8A) |
R2 | |
Other registers dependent on call | |
R3 | Bitmask of ports which will be powered down/have been powered up |
Exit | |
---|---|
R2 | Preserved |
R3 | Bitmask – set bits means no objection of power up/down |
This service call is issued by the Portable module before powering and down, or after powering performing up certain hardware. activities.
If this results in R3 = 0, the service should be claimed to prevent it being needlessly passed round remaining modules.