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Re: [Qemu-devel] [PATCH V4 02/18] sysemu: support qemu_cpu_reset()
From: |
TAKEDA, toshiya |
Subject: |
Re: [Qemu-devel] [PATCH V4 02/18] sysemu: support qemu_cpu_reset() |
Date: |
Thu, 07 Jan 2010 00:46:19 +0900 |
Hi,
Anthony Liguori wrote:
>Hi,
>
>Why is this needed verses qemu_system_reset()?
PC-98 has the ioport to reset only cpu (don't reset other periferals)
and I need qemu_cpu_reset() to emulate thios port.
This port was used to return to real mode from protect mode by resetting cpu.
It was added for 80286, but was used on PC-98 with 80386 and later.
(For example for checking of over 1mb memory in hardware initialization bios.)
Thanks,
TAKEDA, toshiya
>
>Regards,
>
>Anthony Liguori
>
>
>