[PATCH 1/1] AArch64: TCR_TG1_64K incorrectly sets TCR_EL1 bits [31:30]
joe at perches.com
Wed Apr 2 15:16:07 PDT 2014
On Wed, 2014-04-02 at 17:10 -0500, Joe Sylve wrote:
> 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
There was a fair amount of blowback about naming
the arch aarch64 in linux.
So for linux, the directory and arch name is arm64.
From Linus Torvalds <>
Date Sun, 15 Jul 2012 16:53:21 -0700
- aarch64 is just another druggie name that the ARM people came up
with after drinking too much of the spiked water in cambridge.
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