Re: [PATCH v8 10/18] RISC-V: Init and Halt Code

Dmitriy Cherkasov
2017-09-16T21:38:35Z

On 09/16/2017 06:28 AM, Daniel Lezcano wrote:
> On 16/09/2017 08:23, Dmitriy Cherkasov wrote:
>> On 09/13/2017 11:15 AM, Daniel Lezcano wrote:

>>>
>>> Where is get_cycles64() ?
>>
>> This is in asm/timex.h. Should this be split into a separate asm header
>> ala arm64?
>
> No, it is fine but may be it is get_cycles(), no get_cycles64(), right?
>

get_cycles() returns a 32 or 64-bit value depending on machine register width,
using one assembly instruction to retrieve it.

get_cycles64() always returns a 64-bit value at the expense of a few more
instructions on 32-bit systems.