Re: [PATCH] FreeBSD 64-bit kernel support

[phcoder]

Joey Korkames wrote:
> Hmm, FreeBSD seems to choke when trying to load the grub-bootstrapped 
> mfsroot.gz (as the root device - haven't tried loading without rooting 
> from it)...
Thank you for the testing. Can you define "choke" more exactly?
> This is a custom mfsroot, booted like so:
> menuentry "FreeBSD 7.1-STABLE amd64" {
>   freebsd /osstore/STAGE2/FREEBSD/amd64/kernel.gz Dh
>   freebsd_loadenv /osstore/STAGE2/FREEBSD/amd64/device.hints
>   freebsd_module /osstore/STAGE2/FREEBSD/amd64/mfsroot.gz type=mfs_root
>   set FreeBSD.vfs.root.mountfrom=ufs:/dev/md0
> }
>
> perhaps I'll try with the Sysinstall floppy's mfsroot - it might be a 
> little smaller.
>
> PS. A correction for that last patch:
> -MOSTLYCLEANFILES += bsd_mod-loader_i386_bsd.d bsd_mod-loader_i386_bsd.d
> +MOSTLYCLEANFILES += bsd_mod-loader_i386_bsd.d 
> bsd_mod-loader_i386_bsd_helper.d
Just run commands I gave you. You also need ruby to regenerate all these 
autogenerated files.
> Thanks
> joey
>
> Joey Korkames writes:
>
> > Figured it out, 
> > s/multiboot_mod-loader_i386_multiboot_helper/bsd_mod-loader_i386_bsd_helper/ 
> > and bingo!
> >
> > Worked ion both Xen HVM and on a real amd64 box (over PXE)
> >
> > Yay GRUB2 and its devs!
> > -joey
> >
> > Joey Korkames writes:
> >
> > > I can't make grub2 build with phcoder's bsd64.diff. My guess it is 
> > > beacuse conf/i386.mk is missing stuff related to 
> > > loader/i386/bsd_helper.S $(loader/i386/bsd_helper.S_DEPENDENCIES)?, 
> > > but I wouldn't how or where to add it in.
> > >
> > >  
> > > phcoder writes:
> > >
> > > > Bean kindly allowed me to mess with this patch. So here comes an 
> > > > improved version. I moved helpers out of the kernels. Because of how 
> > > > FreeBSD expects the initial virtual memory mapping only first GB of 
> > > > physical memory is accessible so it was required to use of 
> > > > trampoline technique.
>
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--

Regards
Vladimir 'phcoder' Serbinenko