[OE-core] [PATCH 4/4] recipes-kernel/linux: Add RISC-V support

[Bruce Ashfield]

On Thu, Jun 14, 2018 at 3:45 PM, Alistair Francis <alistair.francis at wdc.com>
wrote:

> Signed-off-by: Alistair Francis <alistair.francis at wdc.com>
> ---
>  meta/recipes-kernel/linux/linux-yocto.inc     | 4 ++++
>  meta/recipes-kernel/linux/linux-yocto_4.15.bb | 5 ++++-
>  2 files changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/meta/recipes-kernel/linux/linux-yocto.inc
> b/meta/recipes-kernel/linux/linux-yocto.inc
> index 95ec2a2b41..70a13cdd1e 100644
> --- a/meta/recipes-kernel/linux/linux-yocto.inc
> +++ b/meta/recipes-kernel/linux/linux-yocto.inc
> @@ -26,6 +26,10 @@ DEPENDS_append_nios2 = " libgcc"
>  KERNEL_CC_append_nios2 = " ${TOOLCHAIN_OPTIONS}"
>  KERNEL_LD_append_nios2 = " ${TOOLCHAIN_OPTIONS}"
>
> +DEPENDS_append_riscv64 = " libgcc"
> +KERNEL_CC_append_riscv64 = " ${TOOLCHAIN_OPTIONS}
> ${SECURITY_NOPIE_CFLAGS}"
> +KERNEL_LD_append_riscv64 = " -no-pie"
> +
>  KERNEL_FEATURES_append_qemuall=" features/debug/printk.scc"
>
>  # A KMACHINE is the mapping of a yocto $MACHINE to what is built
> diff --git a/meta/recipes-kernel/linux/linux-yocto_4.15.bb
> b/meta/recipes-kernel/linux/linux-yocto_4.15.bb
> index 693670c613..4ea368a011 100644
> --- a/meta/recipes-kernel/linux/linux-yocto_4.15.bb
> +++ b/meta/recipes-kernel/linux/linux-yocto_4.15.bb
> @@ -36,7 +36,10 @@ KCONF_BSP_AUDIT_LEVEL = "2"
>
>  KERNEL_DEVICETREE_qemuarm = "versatile-pb.dtb"
>
> -COMPATIBLE_MACHINE = "qemuarm|qemuarm64|qemux86|
> qemuppc|qemumips|qemumips64|qemux86-64"
> +KBUILD_DEFCONFIG_qemuriscv64 = "defconfig"
> +KCONFIG_MODE_qemuriscv64 = "--alldefconfig"
>

This doesn't belong in linux-yocto.

We use defined BSP and configuration fraagments, not in-tree defconfigs

I'm happy to add a BSP definition to the kernel-cache, but this isn't the
way to add configuration support for the linux-yocto trees

Cheers,

Bruce


> +
> +COMPATIBLE_MACHINE = "qemuarm|qemuarm64|qemux86|
> qemuppc|qemumips|qemumips64|qemux86-64|qemurisc532|qemuriscv64"
>
>  # Functionality flags
>  KERNEL_EXTRA_FEATURES ?= "features/netfilter/netfilter.scc"
> --
> 2.17.1
>
> --
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-- 
"Thou shalt not follow the NULL pointer, for chaos and madness await thee
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