Re: sys/octeon: add em to GENERIC and RAMDISK kernels
Visa Hankala <[email protected]>
| Newsgroups | gmane.os.openbsd.tech |
|---|---|
| Message-ID | <[email protected]> |
On Fri, Jun 19, 2026 at 08:43:10PM +0200, Kirill A. Korinsky wrote: > On Fri, 19 Jun 2026 18:37:39 +0200, > Visa Hankala <[email protected]> wrote: > > > > On Fri, Jun 19, 2026 at 05:13:25PM +0200, Kirill A. Korinsky wrote: > > > tech@, > > > > > > I'd like em driver to both GENERIC and RAMDISK kernel. > > > > > > I almost sure that octeon device with e1000 do not exists, but it is very > > > useful for emulation in QEMU for example. > > > > > > Implement Octeon's NIC is tricky, but reuse e1000 seems a nice shortcut. > > > > I do not see the point of adding this for QEMU. Currently, QEMU does > > not seem able to emulate an actual OCTEON system. There is no emulation > > for the central interrupt unit, for example. > > > > Well, out of the box QEMU hasn't got that, indeed. > > Here old and hacky patch for QEMU 1.0.1 which implements some Octeon support > and it has a a minimal CIU/CIU3 > https://github.com/amir-mehmood/QEMU-Octeon-MIPS64/ > > I had reworked that diff into something that actually boots installer with > U-Boot and I was able to install OpenBSD inside Qemu. > > Why? Mainly for port works. Yes, it is slow, but it is a way to have test > and build ports on mips64. Fair enough, OK visa@ > Work in progress QEMU tree with very hacky code is here: > https://github.com/catap/qemu/tree/octeon > > Used toolchain was sent for ports@ here: > https://marc.info/?l=openbsd-ports&m=178174538942055&w=2 > > > > Index: sys/arch/octeon/conf/GENERIC > > > =================================================================== > > > RCS file: /home/cvs/src/sys/arch/octeon/conf/GENERIC,v > > > diff -u -p -r1.62 GENERIC > > > --- sys/arch/octeon/conf/GENERIC 16 May 2025 16:35:12 -0000 1.62 > > > +++ sys/arch/octeon/conf/GENERIC 19 Jun 2026 11:45:04 -0000 > > > @@ -51,6 +51,9 @@ pci* at pcibus? > > > ppb* at pci? # PCI-PCI bridges > > > pci* at ppb? > > > > > > +# PCI Ethernet > > > +em* at pci? # Intel Pro/1000 ethernet > > > + > > > octsmi* at fdt? # MDIO controller > > > com* at fdt_octeon? > > > octcib* at fdt? # Interrupt controller > > > Index: sys/arch/octeon/conf/RAMDISK > > > =================================================================== > > > RCS file: /home/cvs/src/sys/arch/octeon/conf/RAMDISK,v > > > diff -u -p -r1.47 RAMDISK > > > --- sys/arch/octeon/conf/RAMDISK 11 Jan 2023 03:28:42 -0000 1.47 > > > +++ sys/arch/octeon/conf/RAMDISK 19 Jun 2026 12:53:43 -0000 > > > @@ -49,6 +49,9 @@ pci* at pcibus? > > > ppb* at pci? > > > pci* at ppb? > > > > > > +# PCI Ethernet > > > +em* at pci? # Intel Pro/1000 ethernet > > > + > > > octsmi* at fdt? # MDIO controller > > > com* at fdt_octeon? > > > octcib* at fdt? # Interrupt controller > > > > > > -- > > > wbr, Kirill > > > > > -- > wbr, Kirill >