Re: [PATCH libevl] build: add initial RISC-V support
Tobias Schaffner <[email protected]> Wed, 8 Jul 2026 08:35:45 +0200
| Newsgroups | dev.linux.lists.xenomai |
|---|---|
| Message-ID | <[email protected]> |
Hi Philippe, On 10/9/25 14:57, Tobias Schaffner wrote: > From: shannmu <[email protected]> > > Provide the basic build infrastructure and VDSO definitions > required to build libevl on RISC-V. > > Tested-by: Tobias Schaffner <[email protected]> > Signed-off-by: Tobias Schaffner <[email protected]> is this ready to get merged apart from a missing Signed-off-by by shanmu? Best, Tobias > --- > lib/arch/riscv/include/asm/evl/vdso.h | 14 ++++++++++++++ > meson.build | 4 ++++ > meson/riscv64-linux-gnu | 18 ++++++++++++++++++ > 3 files changed, 36 insertions(+) > create mode 100644 lib/arch/riscv/include/asm/evl/vdso.h > create mode 100644 meson/riscv64-linux-gnu > > diff --git a/lib/arch/riscv/include/asm/evl/vdso.h b/lib/arch/riscv/include/asm/evl/vdso.h > new file mode 100644 > index 0000000..5e331fb > --- /dev/null > +++ b/lib/arch/riscv/include/asm/evl/vdso.h > @@ -0,0 +1,14 @@ > +/* > + * SPDX-License-Identifier: MIT > + * > + * Copyright (C) 2021 Philippe Gerum <[email protected]> > + */ > + > +#ifndef _LIB_EVL_RISCV_VDSO_H > +#define _LIB_EVL_RISCV_VDSO_H > + > +#define __EVL_VDSO_KVERSION "LINUX_4.15" > + > +#define __EVL_VDSO_GETTIME "__vdso_clock_gettime" > + > +#endif /* !_LIB_EVL_RISCV_VDSO_H */ > diff --git a/meson.build b/meson.build > index f241daf..038b2f0 100644 > --- a/meson.build > +++ b/meson.build > @@ -57,6 +57,10 @@ if libevl_arch == 'aarch64' > libevl_arch = 'arm64' > endif > > +if libevl_arch == 'riscv64' > + libevl_arch = 'riscv' > +endif > + > post_install = find_program('post-install.sh', > dirs : libevl_scripts, > required : true > diff --git a/meson/riscv64-linux-gnu b/meson/riscv64-linux-gnu > new file mode 100644 > index 0000000..6eb3b4e > --- /dev/null > +++ b/meson/riscv64-linux-gnu > @@ -0,0 +1,18 @@ > +[binaries] > +c = 'riscv64-linux-gnu-gcc' > +cpp = 'riscv64-linux-gnu-g++' > +ar = 'riscv64-linux-gnu-ar' > +strip = 'riscv64-linux-gnu-strip' > +pkg-config = 'pkg-config' > +pcap-config = '' > + > +[host_machine] > +system = 'linux' > +cpu_family = 'riscv64' > +cpu = 'riscv64' > +endian = 'little' > + > +[properties] > +platform = 'generic_riscv64' > +sys_root = '/usr/riscv64-linux-gnu' > +needs_exe_wrapper = false