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Re: [Qemu-ppc] [Qemu-devel] [PATCH 1/2] Add be16_to_cpupu function
From: |
Fabien Chouteau |
Subject: |
Re: [Qemu-ppc] [Qemu-devel] [PATCH 1/2] Add be16_to_cpupu function |
Date: |
Fri, 12 Jul 2013 11:57:09 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130510 Thunderbird/17.0.6 |
On 07/10/2013 07:25 PM, Peter Maydell wrote:
> On 10 July 2013 18:10, Fabien Chouteau <address@hidden> wrote:
>> --- a/include/qemu/bswap.h
>> +++ b/include/qemu/bswap.h
>> @@ -432,6 +432,11 @@ static inline uint32_t le32_to_cpupu(const uint32_t *p)
>> return ldl_le_p(p);
>> }
>>
>> +static inline uint16_t be16_to_cpupu(const uint16_t *p)
>> +{
>> + return lduw_be_p(p);
>> +}
>> +
>
> So these functions are preceded by the comment:
> /* Legacy unaligned versions. Note that we never had a complete set. */
>
> which suggests that we shouldn't be adding new ones.
> I think the correct answer is to use lduw_be_p() directly.
> (If so it's tempting to get rid of the legacy functions
> completely since the change would be pretty mechanical.)
>
OK noted.
Thanks,
--
Fabien Chouteau