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HPET supports only one IRQ
The emulated HPET only supports triggering IRQ 2. Since MSIs are by default disabled, this severely limits the usefulness of the HPET as only one timer block can effectively be used (otherwise they would share IRQ 2). Ideally, the HPET should support as much timer blocks as CPUs and each timer block can be driven by a different IRQ.
TIMER: HPET at fed00000 -> 0xbf500000.
TIMER: HPET vendor 8086 revision 01: LEGACY 64BIT
TIMER: HPET: cap 8086a201 config 0 period 10000000
TIMER: HPET Timer[0]: config 30 int 4
TIMER: HPET Timer[1]: config 30 int 4
TIMER: HPET Timer[2]: config 30 int 4
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