[PATCH 1/1] AArch64: TCR_TG1_64K incorrectly sets TCR_EL1 bits [31:30]

Joe Sylve joe.sylve at gmail.com
Wed Apr 2 15:10:22 PDT 2014


Should it?  The reference manual refers to the architecture as AArch64.

On Wed, Apr 2, 2014 at 4:44 PM, Joe Perches <joe at perches.com> wrote:
> On Wed, 2014-04-02 at 18:07 +0100, Catalin Marinas wrote:
>> On Wed, Apr 02, 2014 at 01:38:44PM +0100, Catalin Marinas wrote:
>> > On Wed, Apr 02, 2014 at 05:00:38AM +0100, Joe Sylve wrote:
>> > > Section D7.2.83 TCR_EL1, Translation Control Register (EL1) of the
>> > > latest ARM Architecture Reference Manual, ARMv8, for ARMv8-A states
>> > > that TCR_EL1 TG1 (bits [31:30]) should be set to 11 for a 64KB
>> > > TTBR1_EL1 granule size. The mainline 3.14 kernel incorrectly sets
>> > > those bits to 01 (which is a 16KB granule size).
>
> trivia:
>
> I think the subject title should be arm64
>
>



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