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| From: | Blue Swirl |
| Subject: | Re: [Qemu-devel] qemu-system-sparc uses all host cpu while targetsystem is idle |
| Date: | Wed, 20 Sep 2006 17:48:48 +0200 |
CPU suspend is not implemented for sparc guests. Unlike most other targets, suspending the CPU is controlled by the system chipset, not by an instruction on the CPU. See slavio_misc.c
Suspending is disabled, because it crashes qemu. It can be tested by tweaking slavio_misc.c and renaming the device in OpenBIOS from xxxpower-management to power-management. I can't see why it should crash, the implementation is very straightforward. Or maybe halting the CPU should be delayed until the TB is finished executing and halt only from main loop?
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