[libvirt] [PATCH v2 2/3] Implement CPU model driver for PowerPC
Li Zhang
zhlcindy at gmail.com
Wed Oct 17 09:32:25 UTC 2012
On Wed, Oct 17, 2012 at 4:21 PM, Michal Privoznik <mprivozn at redhat.com> wrote:
> Oh, I've just hit 'Send' without noticing ....
>
> On 15.10.2012 11:07, Li Zhang wrote:
>> Currently, the CPU model driver is not implemented for PowerPC.
>> Host's CPU information is needed to exposed to guests' XML file some
>> time.
>>
>> This patch is to implement the callback functions of CPU model driver.
>>
>> Signed-off-by: Li Zhang <zhlcindy at linux.vnet.ibm.com>
>> ---
>> po/POTFILES.in | 1 +
>> src/cpu/cpu_map.xml | 14 ++
>> src/cpu/cpu_powerpc.c | 587 +++++++++++++++++++++++++++++++++++++++++++++++--
>> 3 files changed, 586 insertions(+), 16 deletions(-)
>>
>
>> +
>> +static uint32_t ppc_mfpvr(void)
>> +{
>> + uint32_t pvr;
>> + asm ("mfpvr %0"
>> + : "=r"(pvr));
>
> ... there is no such instruction on Intel processors. So I've made this
> function and ...
>
>> + return pvr;
>> +}
>> +
>> +static void
>> +PowerPCDataFree(union cpuData *data)
>> +{
>> + if (data == NULL)
>> + return;
>> +
>> + VIR_FREE(data);
>> +}
>> +
>> static union cpuData *
>> PowerPCNodeData(void)
>> {
>> @@ -42,40 +552,85 @@ PowerPCNodeData(void)
>> return NULL;
>> }
>>
>> + data->ppc.pvr = ppc_mfpvr();
>> +
>
> ... this assignment conditional; just wrapped it with:
> #if defined(__powerpc__) || defined(__powerpc64__)
>
OK, Thanks.
> Michal
--
Best Regards
-Li
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