Re: [PATCH v3 2/4] config/arm: adds Arm Neoverse N3 SoC

[Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>]

> On Jul 15, 2024, at 5:53 PM, Wathsala Vithanage <wathsala.vithanage@arm.com> wrote:
> 
> Add Arm Neoverse N3 part number to build configuration.
> 
> Signed-off-by: Wathsala Vithanage <wathsala.vithanage@arm.com>
> ---
> config/arm/meson.build | 22 +++++++++++++++++++++-
> 1 file changed, 21 insertions(+), 1 deletion(-)
> 
> diff --git a/config/arm/meson.build b/config/arm/meson.build
> index 012935d5d7..8018218b76 100644
> --- a/config/arm/meson.build
> +++ b/config/arm/meson.build
> @@ -116,6 +116,18 @@ part_number_config_arm = {
>             ['RTE_MAX_LCORE', 144],
>             ['RTE_MAX_NUMA_NODES', 2]
>         ]
> +    },
> +    '0xd8e': {
> +        'march': 'armv8.7-a’,
Should the above be ‘armv9-a’?

> +        'march_features': ['sve2'],
> +        'fallback_march': 'armv8.5-a',
> +        'flags': [
> +            ['RTE_MACHINE', '"neoverse-n3"'],
> +            ['RTE_ARM_FEATURE_ATOMICS', true],
> +            ['RTE_ARM_FEATURE_WFXT', true],
> +            ['RTE_MAX_LCORE', 192],
> +            ['RTE_MAX_NUMA_NODES', 2]
> +        ]
>     }
> }
> implementer_arm = {
> @@ -572,6 +584,13 @@ soc_n2 = {
>     'numa': false
> }
> 
> +soc_n3 = {
> +    'description': 'Arm Neoverse N3',
> +    'implementer': '0x41',
> +    'part_number': '0xd8e',
> +    'numa': false
> +}
> +
> soc_odyssey = {
>     'description': 'Marvell Odyssey',
>     'implementer': '0x41',
> @@ -699,6 +718,7 @@ socs = {
>     'kunpeng930': soc_kunpeng930,
>     'n1sdp': soc_n1sdp,
>     'n2': soc_n2,
> +    'n3': soc_n3,
>     'odyssey' : soc_odyssey,
>     'stingray': soc_stingray,
>     'thunderx2': soc_thunderx2,
> @@ -852,7 +872,7 @@ if update_flags
>         if part_number_config.get('force_march', false)
>             candidate_march = part_number_config['march']
>         else
> -            supported_marchs = ['armv9-a', 'armv8.6-a', 'armv8.5-a', 'armv8.4-a', 'armv8.3-a',
> +            supported_marchs = ['armv9-a', 'armv8.7-a', 'armv8.6-a', 'armv8.5-a', 'armv8.4-a', 'armv8.3-a',
>                                 'armv8.2-a', 'armv8.1-a', 'armv8-a']
>             check_compiler_support = false
>             foreach supported_march: supported_marchs
> -- 
> 2.34.1
>