[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [Consult] About SPRs information
|
From: |
Chen Gang |
|
Subject: |
Re: [Qemu-devel] [Consult] About SPRs information |
|
Date: |
Wed, 29 Apr 2015 04:19:14 +0800 |
|
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 |
On 4/28/15 06:04, Richard Henderson wrote:
> On 04/27/2015 02:12 PM, Chen Gang wrote:
>> Now, I am blocked at SPRs: "mtspr SPR_CMPEXCH_VALUE %r12", and trying to
>> solve it.
>
> SPR_CMPEXCH_VALUE should be present in your cpu structure, should be a TCGv
> like all of your other registers, and this expands to a simple move.
>
> You will probably need to dispatch on the SPR number. Some of these will be
> normal moves to special register slots. Some of these may require a function
> call in order to handle the side effects.
>
OK, thank you very much.
--
Chen Gang
Open, share, and attitude like air, water, and life which God blessed