* [PATCH] powerpc: Add new HWCAP bits
@ 2020-03-31 9:42 Alistair Popple
2020-03-31 15:12 ` Tulio Magno Quites Machado Filho
0 siblings, 1 reply; 4+ messages in thread
From: Alistair Popple @ 2020-03-31 9:42 UTC (permalink / raw)
To: linuxppc-dev; +Cc: mikey, Alistair Popple
Two new future architectural features requiring HWCAP bits are being
developed. Once allocated in the kernel firmware can enable these via
device tree cpu features.
Signed-off-by: Alistair Popple <alistair@popple.id.au>
---
arch/powerpc/include/uapi/asm/cputable.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/include/uapi/asm/cputable.h b/arch/powerpc/include/uapi/asm/cputable.h
index 540592034740..8888c6fe10b2 100644
--- a/arch/powerpc/include/uapi/asm/cputable.h
+++ b/arch/powerpc/include/uapi/asm/cputable.h
@@ -50,6 +50,8 @@
#define PPC_FEATURE2_DARN 0x00200000 /* darn random number insn */
#define PPC_FEATURE2_SCV 0x00100000 /* scv syscall */
#define PPC_FEATURE2_HTM_NO_SUSPEND 0x00080000 /* TM w/out suspended state */
+#define PPC_FEATURE2_ARCH_3_10 0x00040000 /* ISA 3.10 */
+#define PPC_FEATURE2_MMA 0x00020000 /* Matrix Multiply Accumulate */
/*
* IMPORTANT!
--
2.20.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] powerpc: Add new HWCAP bits
2020-03-31 9:42 [PATCH] powerpc: Add new HWCAP bits Alistair Popple
@ 2020-03-31 15:12 ` Tulio Magno Quites Machado Filho
2020-03-31 22:47 ` Michael Neuling
0 siblings, 1 reply; 4+ messages in thread
From: Tulio Magno Quites Machado Filho @ 2020-03-31 15:12 UTC (permalink / raw)
To: Alistair Popple, linuxppc-dev; +Cc: Alistair Popple, mikey
Alistair Popple <alistair@popple.id.au> writes:
> diff --git a/arch/powerpc/include/uapi/asm/cputable.h b/arch/powerpc/include/uapi/asm/cputable.h
> index 540592034740..8888c6fe10b2 100644
> --- a/arch/powerpc/include/uapi/asm/cputable.h
> +++ b/arch/powerpc/include/uapi/asm/cputable.h
> @@ -50,6 +50,8 @@
> #define PPC_FEATURE2_DARN 0x00200000 /* darn random number insn */
> #define PPC_FEATURE2_SCV 0x00100000 /* scv syscall */
> #define PPC_FEATURE2_HTM_NO_SUSPEND 0x00080000 /* TM w/out suspended state */
> +#define PPC_FEATURE2_ARCH_3_10 0x00040000 /* ISA 3.10 */
I think this should have been:
#define PPC_FEATURE2_ARCH_3_1 0x00040000 /* ISA 3.1 */
--
Tulio Magno
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] powerpc: Add new HWCAP bits
2020-03-31 15:12 ` Tulio Magno Quites Machado Filho
@ 2020-03-31 22:47 ` Michael Neuling
2020-03-31 23:27 ` Alistair Popple
0 siblings, 1 reply; 4+ messages in thread
From: Michael Neuling @ 2020-03-31 22:47 UTC (permalink / raw)
To: Tulio Magno Quites Machado Filho, Alistair Popple, linuxppc-dev
On Tue, 2020-03-31 at 12:12 -0300, Tulio Magno Quites Machado Filho wrote:
> Alistair Popple <alistair@popple.id.au> writes:
>
> > diff --git a/arch/powerpc/include/uapi/asm/cputable.h
> > b/arch/powerpc/include/uapi/asm/cputable.h
> > index 540592034740..8888c6fe10b2 100644
> > --- a/arch/powerpc/include/uapi/asm/cputable.h
> > +++ b/arch/powerpc/include/uapi/asm/cputable.h
> > @@ -50,6 +50,8 @@
> > #define PPC_FEATURE2_DARN 0x00200000 /* darn random number insn */
> > #define PPC_FEATURE2_SCV 0x00100000 /* scv syscall */
> > #define PPC_FEATURE2_HTM_NO_SUSPEND 0x00080000 /* TM w/out suspended
> > state */
> > +#define PPC_FEATURE2_ARCH_3_10 0x00040000 /* ISA 3.10 */
>
> I think this should have been:
>
> #define PPC_FEATURE2_ARCH_3_1 0x00040000 /* ISA 3.1 */
Agreed. That's the new name.
Sorry Al I should have caught that earlier.
Mikey
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] powerpc: Add new HWCAP bits
2020-03-31 22:47 ` Michael Neuling
@ 2020-03-31 23:27 ` Alistair Popple
0 siblings, 0 replies; 4+ messages in thread
From: Alistair Popple @ 2020-03-31 23:27 UTC (permalink / raw)
To: Michael Neuling; +Cc: Tulio Magno Quites Machado Filho, linuxppc-dev
On Wednesday, 1 April 2020 9:47:03 AM AEDT Michael Neuling wrote:
> On Tue, 2020-03-31 at 12:12 -0300, Tulio Magno Quites Machado Filho wrote:
> > Alistair Popple <alistair@popple.id.au> writes:
> > > diff --git a/arch/powerpc/include/uapi/asm/cputable.h
> > > b/arch/powerpc/include/uapi/asm/cputable.h
> > > index 540592034740..8888c6fe10b2 100644
> > > --- a/arch/powerpc/include/uapi/asm/cputable.h
> > > +++ b/arch/powerpc/include/uapi/asm/cputable.h
> > > @@ -50,6 +50,8 @@
> > >
> > > #define PPC_FEATURE2_DARN 0x00200000 /* darn random number insn */
> > > #define PPC_FEATURE2_SCV 0x00100000 /* scv syscall */
> > > #define PPC_FEATURE2_HTM_NO_SUSPEND 0x00080000 /* TM w/out suspended
> > >
> > > state */
> > > +#define PPC_FEATURE2_ARCH_3_10 0x00040000 /* ISA 3.10 */
> >
> > I think this should have been:
> >
> > #define PPC_FEATURE2_ARCH_3_1 0x00040000 /* ISA 3.1 */
>
> Agreed. That's the new name.
>
> Sorry Al I should have caught that earlier.
No worries, I missed it too. Will send v2.
- Alistair
> Mikey
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2020-03-31 23:30 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2020-03-31 9:42 [PATCH] powerpc: Add new HWCAP bits Alistair Popple
2020-03-31 15:12 ` Tulio Magno Quites Machado Filho
2020-03-31 22:47 ` Michael Neuling
2020-03-31 23:27 ` Alistair Popple
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