[PATCH 1/2] tm27: Use generic cpu index accessor

[Kinsey Moore]

-----Original Message-----
From: Sebastian Huber <sebastian.huber at embedded-brains.de> 
Sent: Friday, December 11, 2020 13:00
To: Kinsey Moore <kinsey.moore at oarcorp.com>; devel at rtems.org
Subject: Re: [PATCH 1/2] tm27: Use generic cpu index accessor

> On 11/12/2020 16:09, Kinsey Moore wrote:
>
>> Unfortunately, that's the only API currently available to get that information easily on both architectures. The base function that is wrapped (_CPU_SMP_Get_current_processor) could be provided outside the RTEMS_SMP ifdef block and that could be used instead since this is specific to ARM/AArch64. Would that be acceptable?
>
> If _CPU_SMP_Get_current_processor() returns != 0 if 
> CONFIGURE_MAXIMUM_PROCESSORS == 1, then this is undefined behaviour, 
> since this value is used to index _Per_CPU_Information.
>
> I think for now, the patch is fine.

I'll commit this patch as is and the other with the alternate cast.

Kinsey