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Re: [Qemu-devel] [PATCH v3 05/10] ppc/pnv: add a PnvCore object
From: |
Cédric Le Goater |
Subject: |
Re: [Qemu-devel] [PATCH v3 05/10] ppc/pnv: add a PnvCore object |
Date: |
Wed, 21 Sep 2016 16:24:49 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 |
>> +static void powernv_cpu_init(PowerPCCPU *cpu, Error **errp)
>> +{
>> + CPUPPCState *env = &cpu->env;
>> +
>> + /* Set time-base frequency to 512 MHz */
>> + cpu_ppc_tb_init(env, PNV_TIMEBASE_FREQ);
>> +
>> + /* MSR[IP] doesn't exist nowadays */
>> + env->msr_mask &= ~(1 << 6);
>
> If MSR[IP] is gone, shouldn't that be reflected in the MSR masks
> stored for the actual vcpu models, rather than imposed from the
> machine or core code?
So, this is MSR[EP] and it is not in the msr mask of the CPUs PowerNV
runs on. We can just drop the line.
C.
[Qemu-devel] [PATCH v3 07/10] ppc/pnv: add XSCOM infrastructure, Cédric Le Goater, 2016/09/15