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[Qemu-devel] [Bug 893367] Re: HPET supports only one IRQ

From: Julian Stecklina
Subject: [Qemu-devel] [Bug 893367] Re: HPET supports only one IRQ
Date: Sat, 04 Nov 2017 11:07:07 -0000

No. Looks good to me.

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  HPET supports only one IRQ

Status in QEMU:

Bug description:
  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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