Re: iwlwifi(4) on riscv64 (intel ax200)

From: Bjoern A. Zeeb <bz_at_freebsd.org>
Date: Sat, 17 Jan 2026 17:40:19 UTC 
On Sat, 17 Jan 2026, Tassilo Philipp wrote:

> [off-list]
>
> Mh... ich kanns leider nicht auf riscv64 selber bauen, weil:
>
> # cd /usr/src/sys/modules/iwlwifi
> # make
> make: /usr/src/sys/modules/iwlwifi/Makefile:7: Variable "KERN_OPTS" is 
> undefined
>        while evaluating variable "KERN_OPTS" with value ""
>
> ich glaub da fehlt wohl:
>
> SYSDIR?=${SRCTOP}/sys
> .include "${SYSDIR}/conf/kern.opts.mk"
>
> Aber auch damit gehts nicht. Bin grad zwischen Tür und Angel, sonst würd ichs 
> weiter debuggen.

That I haven't tested indeed.  I only built it all along with make buildkernel.

I'll go and fix that so the module could be built by itself; it's just
.include <kmod.opts.mk>




> Und... in der /usr/src/sys/modules/Makefile ist der iwlwifi Teil so drin:
>
> .if ${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "amd64" || \
>    ${MACHINE_CPUARCH} == "i386"
> _ena=           ena
> _gve=           gve
> _iwlwifi=       iwlwifi
> _rtw88=         rtw88
> _rtw89=         rtw89
> _vmware=        vmware
> .endif

I think you haven't updated your sources/branch.  Looks like this now:

     554 # LinuxKPI based wireless drivers.
     555 .if ${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "amd64" || \
     556     ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "riscv"
     557 _iwlwifi=       iwlwifi
     558 _rtw88=         rtw88
     559 # rtw89 currently cannot be compiled without ACPI (seems also broken in Linux).
     560 .if ${KERN_OPTS:MDEV_ACPI}
     561 _rtw89=         rtw89
     562 .endif
     563 .endif



-- 
Bjoern A. Zeeb                                                     r15:7