Re: [PATCH v4 06/11] Update PowerPC AT_HWCAP2 definition
> On Jul 13, 2020, at 6:47 PM, David Gibson wrote:
>
> On Mon, Jul 13, 2020 at 02:20:20PM -0500, Lijun Pan wrote:
>>
>>
>>> On Jul 13, 2020, at 12:14 AM, David Gibson
>>> wrote:
>>>
>>> On Wed, Jul 01, 2020 at 06:43:41PM -0500, Lijun Pan wrote:
Add PPC2_FEATURE2_ARCH_3_10 to the PowerPC AT_HWCAP2 definitions.
Signed-off-by: Lijun Pan
---
v4: add missing changes, and split to 5/11, 6/11, 7/11
v3: use tcg_gen_gvec_mul()
v2: fix coding style
use Power ISA 3.1 flag
include/elf.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/elf.h b/include/elf.h
index 8fbfe60e09..1858b95acf 100644
--- a/include/elf.h
+++ b/include/elf.h
@@ -554,6 +554,7 @@ typedef struct {
#define PPC_FEATURE2_HTM_NOSC 0x0100
#define PPC_FEATURE2_ARCH_3_00 0x0080
#define PPC_FEATURE2_HAS_IEEE1280x0040
+#define PPC_FEATURE2_ARCH_3_10 0x0020
/* Bits present in AT_HWCAP for Sparc. */
>>>
>>>
>>> Um.. in the corresponding #defines in the kernel 0x0020 is given
>>> to PPC_FEATURE2_DARN, and several more bits are allocated past that
>>> point.
>>
>> Then what do you recommend to use?
>
> This is part of exposed userland ABI, so it needs to be standardized
> at least semi-formally. I'm not actually sure who allocates these in
> general.
Anton,
Do you know the allocation standard since you made the last change into elf.h?
Lijun
>
> --
> David Gibson | I'll have my music baroque, and my code
> david AT gibson.dropbear.id.au
Re: [PATCH v4 06/11] Update PowerPC AT_HWCAP2 definition
On Mon, Jul 13, 2020 at 02:20:20PM -0500, Lijun Pan wrote:
>
>
> > On Jul 13, 2020, at 12:14 AM, David Gibson
> > wrote:
> >
> > On Wed, Jul 01, 2020 at 06:43:41PM -0500, Lijun Pan wrote:
> >> Add PPC2_FEATURE2_ARCH_3_10 to the PowerPC AT_HWCAP2 definitions.
> >>
> >> Signed-off-by: Lijun Pan
> >> ---
> >> v4: add missing changes, and split to 5/11, 6/11, 7/11
> >> v3: use tcg_gen_gvec_mul()
> >> v2: fix coding style
> >>use Power ISA 3.1 flag
> >>
> >> include/elf.h | 1 +
> >> 1 file changed, 1 insertion(+)
> >>
> >> diff --git a/include/elf.h b/include/elf.h
> >> index 8fbfe60e09..1858b95acf 100644
> >> --- a/include/elf.h
> >> +++ b/include/elf.h
> >> @@ -554,6 +554,7 @@ typedef struct {
> >> #define PPC_FEATURE2_HTM_NOSC 0x0100
> >> #define PPC_FEATURE2_ARCH_3_00 0x0080
> >> #define PPC_FEATURE2_HAS_IEEE1280x0040
> >> +#define PPC_FEATURE2_ARCH_3_10 0x0020
> >>
> >> /* Bits present in AT_HWCAP for Sparc. */
> >
> >
> > Um.. in the corresponding #defines in the kernel 0x0020 is given
> > to PPC_FEATURE2_DARN, and several more bits are allocated past that
> > point.
>
> Then what do you recommend to use?
This is part of exposed userland ABI, so it needs to be standardized
at least semi-formally. I'm not actually sure who allocates these in
general.
--
David Gibson| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
signature.asc
Description: PGP signature
Re: [PATCH v4 06/11] Update PowerPC AT_HWCAP2 definition
> On Jul 13, 2020, at 12:14 AM, David Gibson
> wrote:
>
> On Wed, Jul 01, 2020 at 06:43:41PM -0500, Lijun Pan wrote:
>> Add PPC2_FEATURE2_ARCH_3_10 to the PowerPC AT_HWCAP2 definitions.
>>
>> Signed-off-by: Lijun Pan
>> ---
>> v4: add missing changes, and split to 5/11, 6/11, 7/11
>> v3: use tcg_gen_gvec_mul()
>> v2: fix coding style
>>use Power ISA 3.1 flag
>>
>> include/elf.h | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/include/elf.h b/include/elf.h
>> index 8fbfe60e09..1858b95acf 100644
>> --- a/include/elf.h
>> +++ b/include/elf.h
>> @@ -554,6 +554,7 @@ typedef struct {
>> #define PPC_FEATURE2_HTM_NOSC 0x0100
>> #define PPC_FEATURE2_ARCH_3_00 0x0080
>> #define PPC_FEATURE2_HAS_IEEE1280x0040
>> +#define PPC_FEATURE2_ARCH_3_10 0x0020
>>
>> /* Bits present in AT_HWCAP for Sparc. */
>
>
> Um.. in the corresponding #defines in the kernel 0x0020 is given
> to PPC_FEATURE2_DARN, and several more bits are allocated past that
> point.
>
Then what do you recommend to use?
Thanks,
Lijun
Re: [PATCH v4 06/11] Update PowerPC AT_HWCAP2 definition
On Wed, Jul 01, 2020 at 06:43:41PM -0500, Lijun Pan wrote:
> Add PPC2_FEATURE2_ARCH_3_10 to the PowerPC AT_HWCAP2 definitions.
>
> Signed-off-by: Lijun Pan
> ---
> v4: add missing changes, and split to 5/11, 6/11, 7/11
> v3: use tcg_gen_gvec_mul()
> v2: fix coding style
> use Power ISA 3.1 flag
>
> include/elf.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/elf.h b/include/elf.h
> index 8fbfe60e09..1858b95acf 100644
> --- a/include/elf.h
> +++ b/include/elf.h
> @@ -554,6 +554,7 @@ typedef struct {
> #define PPC_FEATURE2_HTM_NOSC 0x0100
> #define PPC_FEATURE2_ARCH_3_00 0x0080
> #define PPC_FEATURE2_HAS_IEEE1280x0040
> +#define PPC_FEATURE2_ARCH_3_10 0x0020
>
> /* Bits present in AT_HWCAP for Sparc. */
Um.. in the corresponding #defines in the kernel 0x0020 is given
to PPC_FEATURE2_DARN, and several more bits are allocated past that
point.
--
David Gibson| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
signature.asc
Description: PGP signature
[PATCH v4 06/11] Update PowerPC AT_HWCAP2 definition
Add PPC2_FEATURE2_ARCH_3_10 to the PowerPC AT_HWCAP2 definitions.
Signed-off-by: Lijun Pan
---
v4: add missing changes, and split to 5/11, 6/11, 7/11
v3: use tcg_gen_gvec_mul()
v2: fix coding style
use Power ISA 3.1 flag
include/elf.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/elf.h b/include/elf.h
index 8fbfe60e09..1858b95acf 100644
--- a/include/elf.h
+++ b/include/elf.h
@@ -554,6 +554,7 @@ typedef struct {
#define PPC_FEATURE2_HTM_NOSC 0x0100
#define PPC_FEATURE2_ARCH_3_00 0x0080
#define PPC_FEATURE2_HAS_IEEE1280x0040
+#define PPC_FEATURE2_ARCH_3_10 0x0020
/* Bits present in AT_HWCAP for Sparc. */
--
2.23.0
