Hello Alexey,
On 02/07/2021 12:15:21-0700, Alexey Brodkin via lists.openembedded.org wrote:
> This retrofits ARC support from upstream [1].
> Should be a part of the next release of "dhcpcd".
>
> https://github.com/NetworkConfiguration/dhcpcd/commit/82386110e67cf75c224e9817fce55e6b0f143266
>
> Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com>
> ---
> meta/recipes-connectivity/dhcpcd/dhcpcd_9.4.0.bb | 1 +
> ...rc-privsep-linux.c-add-support-for-arc-28.patch | 60 ++++++++++++++++++++++
> 2 files changed, 61 insertions(+)
> create mode 100644 meta/recipes-connectivity/dhcpcd/files/0002-src-privsep-linux.c-add-support-for-arc-28.patch
>
> diff --git a/meta/recipes-connectivity/dhcpcd/dhcpcd_9.4.0.bb b/meta/recipes-connectivity/dhcpcd/dhcpcd_9.4.0.bb
> index 56fcf5cc0b..5be480eb03 100644
> --- a/meta/recipes-connectivity/dhcpcd/dhcpcd_9.4.0.bb
> +++ b/meta/recipes-connectivity/dhcpcd/dhcpcd_9.4.0.bb
> @@ -13,6 +13,7 @@ UPSTREAM_CHECK_URI = "https://roy.marples.name/downloads/dhcpcd/"
>
> SRC_URI = "https://roy.marples.name/downloads/${BPN}/${BPN}-${PV}.tar.xz \
> file://0001-remove-INCLUDEDIR-to-prevent-build-issues.patch \
> + file://0002-src-privsep-linux.c-add-support-for-arc-28.patch \
> file://dhcpcd.service \
> file://dhcpcd@.service \
> "
> diff --git a/meta/recipes-connectivity/dhcpcd/files/0002-src-privsep-linux.c-add-support-for-arc-28.patch b/meta/recipes-connectivity/dhcpcd/files/0002-src-privsep-linux.c-add-support-for-arc-28.patch
> new file mode 100644
> index 0000000000..ec895143d8
> --- /dev/null
> +++ b/meta/recipes-connectivity/dhcpcd/files/0002-src-privsep-linux.c-add-support-for-arc-28.patch
> @@ -0,0 +1,60 @@
> +From 82386110e67cf75c224e9817fce55e6b0f143266 Mon Sep 17 00:00:00 2001
> +From: Fabrice Fontaine <fontaine.fabrice at gmail.com>
> +Date: Mon, 8 Feb 2021 07:23:54 +0100
> +Subject: [PATCH] src/privsep-linux.c: add support for arc (#28)
> +
> +Fix the following build failure:
> +
> +privsep-linux.c:206:4: error: #error "Platform does not support seccomp filter yet"
> + # error "Platform does not support seccomp filter yet"
> + ^~~~~
> +In file included from privsep-linux.c:36:
> +privsep-linux.c:213:38: error: 'SECCOMP_AUDIT_ARCH' undeclared here (not in a function); did you mean 'SECCOMP_ALLOW_ARG'?
> + BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, SECCOMP_AUDIT_ARCH, 1, 0),
> + ^~~~~~~~~~~~~~~~~~
> +
> +It should be noted that AUDIT_ARCH_{ARCOMPACT,ARCV2} is only defined
> +since kernel 5.2 and
> +https://github.com/torvalds/linux/commit/67f2a8a29311841ba6ab9b0e2d1b8f1e9978cd84
> +
> +Detection of arc compact and arc v2 have been "copy/pasted" from
> +https://github.com/wbx-github/uclibc-ng/commit/afab56958f1cbb47b831ee3ebff231dfbae74af2
> +
> +Fixes:
> + - http://autobuild.buildroot.org/results/d29083700a80dd647621eed06faeeae03f0587d3
> +
I did run that through the autobuilders and it is working fine but this
is missing an Upstream-Status tag.
> +Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
> +---
> + src/privsep-linux.c | 16 ++++++++++++++++
> + 1 file changed, 16 insertions(+)
> +
> +diff --git a/src/privsep-linux.c b/src/privsep-linux.c
> +index 402667af..21d41a9a 100644
> +--- a/src/privsep-linux.c
> ++++ b/src/privsep-linux.c
> +@@ -149,6 +149,22 @@ ps_root_sendnetlink(struct dhcpcd_ctx *ctx, int protocol, struct msghdr *msg)
> + # define SECCOMP_AUDIT_ARCH AUDIT_ARCH_I386
> + #elif defined(__x86_64__)
> + # define SECCOMP_AUDIT_ARCH AUDIT_ARCH_X86_64
> ++#elif defined(__arc__)
> ++# if defined(__A7__)
> ++# if (BYTE_ORDER == LITTLE_ENDIAN)
> ++# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCOMPACT
> ++# else
> ++# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCOMPACTBE
> ++# endif
> ++# elif defined(__HS__)
> ++# if (BYTE_ORDER == LITTLE_ENDIAN)
> ++# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCV2
> ++# else
> ++# define SECCOMP_AUDIT_ARCH AUDIT_ARCH_ARCV2BE
> ++# endif
> ++# else
> ++# error "Platform does not support seccomp filter yet"
> ++# endif
> + #elif defined(__arm__)
> + # ifndef EM_ARM
> + # define EM_ARM 40
> +--
> +2.16.2
> +
> --
> 2.16.2
>
>
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