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Date:      Thu, 11 Apr 2019 14:45:20 +0200
From:      peter.blok@bsd4all.org
To:        ticso@cicely.de
Cc:        Ian Lepore <ian@freebsd.org>, freebsd-arm <freebsd-arm@freebsd.org>
Subject:   Re: about netbooting on armv6
Message-ID:  <40A1D23F-AF9D-483E-9AAB-FA756B023864@bsd4all.org>
In-Reply-To: <20190301034056.GG23492@cicely7.cicely.de>
References:  <5432b449f37a481bc7099fbab25fbd2e@bakulin.de> <CABx9NuQKTFWUoTr2ufXANDo6C2AwLiYC7wd_5wSUg9J7M1Rofg@mail.gmail.com> <CABx9NuRTao6YhdzKPONwKgzfeAN80UmQ060QTf%2Buv18gkHogtg@mail.gmail.com> <CABx9NuSaWNX3qEwmGdpez-qf8GEjH4%2Bvd3y9tuR1ogZBDzsAng@mail.gmail.com> <a4a95b7a9617eea06212c50ec23bf5cc@bakulin.de> <CABx9NuQLbWjK8DfBLPDcRX9Bb1MY5Bk=TRDW_Fx63uP9orT2Og@mail.gmail.com> <1458751414.1091.47.camel@freebsd.org> <20190301031213.GE23492@cicely7.cicely.de> <1797d7376b308236366305ad5ae18661b1d2a80c.camel@freebsd.org> <20190301032326.GF23492@cicely7.cicely.de> <20190301034056.GG23492@cicely7.cicely.de>

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Bernd,

Don=E2=80=99t know if the following is going to help. I am netbooting an =
rpi-3 using loader.efi

What I did was the following.

1. I booted of an 12-RELEASE SD-Image.
2. Mounted a NFS file-system that became my root file-system
3. Copied everything from / over to that file-system
4. Added to dhcp.conf
host raspberrypi {
  hardware ethernet b8:27:eb:2b:37:e1;
  fixed-address 192.168.1.87;
  option host-name "raspberrypi";
  next-server 192.168.1.1;
  option tftp-server-name "192.168.1.1";
  option root-path "192.168.1.1:/zdata/rpiboot/armbsd";
  filename "armbsd/loader.efi";
}

5. Under tftpbooot I copied bootcode.bin
6. With tcpdump I traced which directories it was going to open files =
on.
In my case it was bd2b37e1 (which is derived from mac)
7. Created /tftpboot/armbsd and a symbolic link from armbsd to bd2b37e1
The contents of /tftpboot/armbsd is (from the SD card) Not everything is =
used and the pxelinux.cfg is not needed
ls -R /tftpboot/armbsd/
armstub8.bin		dtb			fixup_db.dat		=
overlays		start_cd.elf		u-boot.bin
bcm2710-rpi-3-b.dtb	fixup.dat		fixup_x.dat		=
pxelinux.cfg		start_db.elf
config.txt		fixup_cd.dat		loader.efi		=
start.elf		start_x.elf

/tftpboot/armbsd/dtb:
allwinner	overlays

/tftpboot/armbsd/dtb/allwinner:
sun50i-a64-nanopi-a64.dtb	sun50i-a64-pine64-plus.dtb	=
sun50i-a64-sopine-baseboard.dtb
sun50i-a64-olinuxino.dtb	sun50i-a64-pine64.dtb		=
sun50i-h5-orangepi-pc2.dtb

/tftpboot/armbsd/dtb/overlays:
sun50i-a64-sid.dtbo	sun50i-a64-ths.dtbo	sun50i-a64-timer.dtbo

/tftpboot/armbsd/overlays:
mmc.dtbo		pi3-disable-bt.dtbo	pwm.dtbo

/tftpboot/armbsd/pxelinux.cfg:
01-b8-27-eb-2b-37-e1

8. Changed fstab on the NFS share and added =
boot.nfsroot.options=3D=E2=80=9Cnolockd=E2=80=9D to loader.conf

Peter=



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