From: "Yann E. MORIN" <yann.morin.1998@free.fr>
To: "Gaël PORTAY" <gael.portay@rtone.fr>
Cc: Martin Bark <martin@barkynet.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Julien Grossholtz <julien.grossholtz@openest.io>,
buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH v2 1/2] arch: add support 16k page size on ARM64
Date: Fri, 19 Jan 2024 21:24:54 +0100 [thread overview]
Message-ID: <ZaralvfR-l5QW00p@landeda> (raw)
In-Reply-To: <20231211155951.4079886-2-gael.portay@rtone.fr>
Gaël, All,
On 2023-12-11 16:59 +0100, Gaël PORTAY spake thusly:
> The BCM2712 of the RaspberryPi 5 supports for 16KB page size.
>
> This adds support for 16 KB on ARM64.
>
> Signed-off-by: Gaël PORTAY <gael.portay@rtone.fr>
Applied to master, thanks.
Regards,
Yann E. MORIN.
> ---
> arch/Config.in.arm | 4 ++++
> arch/arch.mk | 2 +-
> linux/linux.mk | 4 ++++
> 3 files changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/arch/Config.in.arm b/arch/Config.in.arm
> index 78621e321c..b44a164e03 100644
> --- a/arch/Config.in.arm
> +++ b/arch/Config.in.arm
> @@ -781,6 +781,9 @@ choice
> config BR2_ARM64_PAGE_SIZE_4K
> bool "4KB"
>
> +config BR2_ARM64_PAGE_SIZE_16K
> + bool "16KB"
> +
> config BR2_ARM64_PAGE_SIZE_64K
> bool "64KB"
>
> @@ -789,6 +792,7 @@ endchoice
> config BR2_ARM64_PAGE_SIZE
> string
> default "4K" if BR2_ARM64_PAGE_SIZE_4K
> + default "16K" if BR2_ARM64_PAGE_SIZE_16K
> default "64K" if BR2_ARM64_PAGE_SIZE_64K
>
> config BR2_ARCH
> diff --git a/arch/arch.mk b/arch/arch.mk
> index 2e737b92ac..4174d33df5 100644
> --- a/arch/arch.mk
> +++ b/arch/arch.mk
> @@ -23,7 +23,7 @@ ifeq ($(BR2_ARC_PAGE_SIZE_4K)$(BR2_ARM64_PAGE_SIZE_4K),y)
> ARCH_TOOLCHAIN_WRAPPER_OPTS += -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096
> else ifeq ($(BR2_ARC_PAGE_SIZE_8K),y)
> ARCH_TOOLCHAIN_WRAPPER_OPTS += -Wl,-z,max-page-size=8192 -Wl,-z,common-page-size=8192
> -else ifeq ($(BR2_ARC_PAGE_SIZE_16K),y)
> +else ifeq ($(BR2_ARC_PAGE_SIZE_16K)$(BR2_ARM64_PAGE_SIZE_16K),y)
> ARCH_TOOLCHAIN_WRAPPER_OPTS += -Wl,-z,max-page-size=16384 -Wl,-z,common-page-size=16384
> else ifeq ($(BR2_ARM64_PAGE_SIZE_64K),y)
> ARCH_TOOLCHAIN_WRAPPER_OPTS += -Wl,-z,max-page-size=65536 -Wl,-z,common-page-size=65536
> diff --git a/linux/linux.mk b/linux/linux.mk
> index 1db5c6046d..53e2ad6d48 100644
> --- a/linux/linux.mk
> +++ b/linux/linux.mk
> @@ -411,6 +411,10 @@ define LINUX_KCONFIG_FIXUP_CMDS
> $(call KCONFIG_ENABLE_OPT,CONFIG_ARM64_4K_PAGES)
> $(call KCONFIG_DISABLE_OPT,CONFIG_ARM64_16K_PAGES)
> $(call KCONFIG_DISABLE_OPT,CONFIG_ARM64_64K_PAGES))
> + $(if $(BR2_ARM64_PAGE_SIZE_16K),
> + $(call KCONFIG_DISABLE_OPT,CONFIG_ARM64_4K_PAGES)
> + $(call KCONFIG_ENABLE_OPT,CONFIG_ARM64_16K_PAGES)
> + $(call KCONFIG_DISABLE_OPT,CONFIG_ARM64_64K_PAGES))
> $(if $(BR2_ARM64_PAGE_SIZE_64K),
> $(call KCONFIG_DISABLE_OPT,CONFIG_ARM64_4K_PAGES)
> $(call KCONFIG_DISABLE_OPT,CONFIG_ARM64_16K_PAGES)
> --
> 2.43.0
>
> _______________________________________________
> buildroot mailing list
> buildroot@buildroot.org
> https://lists.buildroot.org/mailman/listinfo/buildroot
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next prev parent reply other threads:[~2024-01-19 20:25 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-11 15:59 [Buildroot] [PATCH v2 0/2] Add support for Pi5 Gaël PORTAY
2023-12-11 15:59 ` [Buildroot] [PATCH v2 1/2] arch: add support 16k page size on ARM64 Gaël PORTAY
2024-01-19 20:24 ` Yann E. MORIN [this message]
2023-12-11 15:59 ` [Buildroot] [PATCH v2 2/2] configs: add raspberrypi 5 defconfig Gaël PORTAY
2024-01-19 20:35 ` Yann E. MORIN
2024-01-20 3:11 ` Adam Duskett
2024-01-20 8:01 ` Gaël PORTAY
2024-01-20 8:53 ` Yann E. MORIN
2024-01-19 20:13 ` [Buildroot] [PATCH v2 0/2] Add support for Pi5 Yann E. MORIN
2024-01-20 8:10 ` Gaël PORTAY
2024-01-20 8:57 ` Yann E. MORIN
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