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From: | Andriy Gapon |
Subject: | [Qemu-devel] hpet emulation problems |
Date: | Tue, 21 Jul 2009 15:29:49 +0300 |
User-agent: | Thunderbird 2.0.0.22 (X11/20090630) |
I observe the following problems with qemu-emulated HPET: 1. setting lower 32bits of a 64-bit register clears the higher 32 bits; At least this happens with TIMn_CONF register - I set some bits at offset 0x100 and all bits at 0x104 become cleared. The problem is aggravated by the fact that those bits are supposed to be RO - they specify interrupt routing capabilities. 2. Setting interrupt type to level-triggered has no effect in the sense that interrupt status bits are not set in GINTR_STA when interrupts are generated. -- Andriy Gapon
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