http://defect.opensolaris.org/bz/show_bug.cgi?id=6249
Summary: HPET must support fast reboot
Classification: Development
Product: power-mgmt
Version: unspecified
Platform: Other
OS/Version: Solaris
Status: NEW
Severity: minor
Priority: P2
Component: c-state
AssignedTo: bill.holler at sun.com
ReportedBy: bill.holler at sun.com
CC: tesla-dev at opensolaris.org
The HPET's state must be reset to an initial state when the system
shuts down. This is required for Fast Reboot.
Perhaps apic_shutdown() would be a good place to do the HPET shutdown.
When shutting down the HPET must reset to an initial state:
1. Disable any timer interrupt(s), and program the timers to an
initial state.
2. Stop the Main Counter and write the Main Counter to 0.
I do not know if anything needs to be done with the I/O APIC and APIC
interrupt routing?
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