From: Julien Grall <julien.grall@arm.com>
To: Andrii Anisov <andrii_anisov@epam.com>,
Stefano Stabellini <sstabellini@kernel.org>
Cc: artem_mygaiev@epam.com, andrew.cooper3@citrix.com,
George.Dunlap@citrix.com, xen-devel@lists.xen.org,
dfaggioli@suse.com, volodymyr_babchuk@epam.com
Subject: Re: [PATCH v7 08/12] arm: add ALL, QEMU, Rcar3 and MPSoC configs
Date: Fri, 27 Jul 2018 12:27:50 +0100 [thread overview]
Message-ID: <077e2f97-1b5c-306d-06b7-cbd7187ac372@arm.com> (raw)
In-Reply-To: <71aaad81-9bbf-39a3-838a-cc4906887a28@epam.com>
Hi,
On 27/07/18 12:21, Andrii Anisov wrote:
> I would suggest something like:
>
> diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig
> index 06ba4a4..794f06e 100644
> --- a/xen/arch/arm/Kconfig
> +++ b/xen/arch/arm/Kconfig
> @@ -218,6 +218,8 @@ config ARM64_HARDEN_BRANCH_PREDICTOR
> config ARM32_HARDEN_BRANCH_PREDICTOR
> def_bool y if ARM_32 && HARDEN_BRANCH_PREDICTOR
>
> +source "arch/arm/platforms/Kconfig"
> +
There are no need for duplication. You can instead do something like:
config ALL_64
default (ALL && ARM_64)
config ALL_32
default (ALL && ARM_32)
config MPSOC_PLATFORM
bool
default (ALL_64 || MPSOC)
Cheers,
> source "common/Kconfig"
>
> source "drivers/Kconfig"
> diff --git a/xen/arch/arm/platforms/Kconfig
> b/xen/arch/arm/platforms/Kconfig
> new file mode 100644
> index 0000000..badf17b
> --- /dev/null
> +++ b/xen/arch/arm/platforms/Kconfig
> @@ -0,0 +1,72 @@
> +choice
> + prompt "Platform Support"
> + depends on ARM_32
> + default ALL_32
> + ---help---
> + Choose which hardware platform to enable in Xen.
> +
> + If unsure, choose ALL.
> +
> +config ALL_32
> + bool "All Platforms"
> + ---help---
> + Enable support for all available hardware platforms. It doesn't
> + automatically select any of the related drivers.
> +
> +config NONE_32
> + bool "No Platform support"
> + ---help---
> + Remove all platform code. > +
> +endchoice
> +
> +choice
> + prompt "Platform Support"
> + depends on ARM_64
> + default ALL_64
> + ---help---
> + Choose which hardware platform to enable in Xen.
> +
> + If unsure, choose ALL.
> +
> +config ALL_64
> + bool "All Platforms"
> + select MPSOC_PLATFORM
> + ---help---
> + Enable support for all available hardware platforms. It doesn't
> + automatically select any of the related drivers.
> +
> +config QEMU
> + bool "QEMU aarch virt machine support"
> + depends on ARM_64
> + select GICV3
> + select HAS_PL011
> + ---help---
> + Enable all the required drivers for QEMU aarch64 virt emulated
> + machine.
> +
> +config RCAR3
> + bool "Renesas RCar3 support"
> + depends on ARM_64
> + select HAS_SCIF
> + ---help---
> + Enable all the required drivers for Renesas RCar3
> +
> +config MPSOC
> + bool "Xilinx Ultrascale+ MPSoC support"
> + depends on ARM_64
> + select MPSOC_PLATFORM
> + select HAS_CADENCE_UART
> + select ARM_SMMU
> + ---help---
> + Enable all the required drivers for Xilinx Ultrascale+ MPSoC
> +
> +config NONE_64
> + bool "No Platform support"
> + ---help---
> + Remove all platform code.
> +
> +endchoice
> +
> +config MPSOC_PLATFORM
> + bool
> diff --git a/xen/arch/arm/platforms/Makefile
> b/xen/arch/arm/platforms/Makefile
> index 80e555c..c8e763e 100644
> --- a/xen/arch/arm/platforms/Makefile
> +++ b/xen/arch/arm/platforms/Makefile
> @@ -1,11 +1,14 @@
> -obj-y += vexpress.o
> -obj-$(CONFIG_ARM_32) += brcm.o
> -obj-$(CONFIG_ARM_32) += exynos5.o
> -obj-$(CONFIG_ARM_32) += midway.o
> -obj-$(CONFIG_ARM_32) += omap5.o
> -obj-$(CONFIG_ARM_32) += rcar2.o
> -obj-$(CONFIG_ARM_64) += seattle.o
> -obj-y += sunxi.o
> -obj-$(CONFIG_ARM_64) += thunderx.o
> -obj-$(CONFIG_ARM_64) += xgene-storm.o
> -obj-$(CONFIG_ARM_64) += xilinx-zynqmp.o
> +obj-$(CONFIG_ALL_32) += vexpress.o
> +obj-$(CONFIG_ALL_32) += sunxi.o
> +obj-$(CONFIG_ALL_32) += brcm.o
> +obj-$(CONFIG_ALL_32) += exynos5.o
> +obj-$(CONFIG_ALL_32) += midway.o
> +obj-$(CONFIG_ALL_32) += omap5.o
> +obj-$(CONFIG_ALL_32) += rcar2.o
> +
> +obj-$(CONFIG_ALL_64) += vexpress.o
> +obj-$(CONFIG_ALL_64) += sunxi.o
> +obj-$(CONFIG_ALL_64) += seattle.o
> +obj-$(CONFIG_ALL_64) += thunderx.o
> +obj-$(CONFIG_ALL_64) += xgene-storm.o
> +obj-$(CONFIG_MPSOC_PLATFORM) += xilinx-zynqmp.o
>
>
--
Julien Grall
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next prev parent reply other threads:[~2018-07-27 11:27 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-06 23:12 [PATCH v7 00/12] arm: more kconfig configurability and small default configs Stefano Stabellini
2018-07-06 23:13 ` [PATCH v7 01/12] arm: remove the ARM HDLCD driver Stefano Stabellini
2018-07-06 23:13 ` [PATCH v7 02/12] arm: make it possible to disable HAS_GICV3 Stefano Stabellini
2018-07-06 23:13 ` [PATCH v7 03/12] arm: rename HAS_GICV3 to GICV3 Stefano Stabellini
2018-07-06 23:13 ` [PATCH v7 04/12] Make MEM_ACCESS configurable Stefano Stabellini
2018-07-06 23:13 ` [PATCH v7 05/12] make it possible to enable/disable UART drivers Stefano Stabellini
2018-07-06 23:13 ` [PATCH v7 06/12] arm: make it possible to disable the SMMU driver Stefano Stabellini
2018-07-06 23:13 ` [PATCH v7 07/12] arm: add a tiny kconfig configuration Stefano Stabellini
2018-07-23 11:17 ` Julien Grall
2018-07-06 23:13 ` [PATCH v7 08/12] arm: add ALL, QEMU, Rcar3 and MPSoC configs Stefano Stabellini
2018-07-23 11:24 ` Julien Grall
2018-07-24 22:08 ` Stefano Stabellini
2018-07-24 13:27 ` Andrii Anisov
2018-07-26 22:46 ` Stefano Stabellini
2018-07-27 10:30 ` Andrii Anisov
2018-07-27 11:20 ` Julien Grall
2018-07-27 11:21 ` Andrii Anisov
2018-07-27 11:27 ` Julien Grall [this message]
2018-07-27 11:34 ` Andrii Anisov
2018-07-27 11:39 ` Julien Grall
2018-07-27 17:11 ` Stefano Stabellini
2018-07-27 18:23 ` Andrii Anisov
2018-07-27 21:35 ` Stefano Stabellini
2018-07-27 22:09 ` Julien Grall
2018-07-27 23:30 ` Stefano Stabellini
2018-07-30 10:34 ` Julien Grall
2018-07-30 17:39 ` Stefano Stabellini
2018-07-30 16:11 ` Andrii Anisov
2018-07-06 23:14 ` [PATCH v7 09/12] xen: add per-platform defaults for NR_CPUS Stefano Stabellini
2018-07-23 11:26 ` Julien Grall
2018-07-06 23:14 ` [PATCH v7 10/12] xen: add cloc target Stefano Stabellini
2018-07-06 23:14 ` [PATCH v7 11/12] xen: specify support for EXPERT and DEBUG Kconfig options Stefano Stabellini
2018-07-16 12:50 ` Jan Beulich
2018-07-06 23:14 ` [PATCH v7 12/12] xen: clarify the security-support status of Kconfig options on ARM Stefano Stabellini
2018-07-23 11:37 ` Julien Grall
2018-07-24 22:31 ` Stefano Stabellini
2018-07-25 8:46 ` Julien Grall
2018-07-25 8:59 ` Andrew Cooper
2018-07-25 9:50 ` Julien Grall
2018-07-25 11:09 ` George Dunlap
2018-07-26 0:40 ` Stefano Stabellini
2018-07-25 9:11 ` Jan Beulich
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