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Raspberry Pi 3 で UEFI を使って NetBSD を起動させる方法

Raspberry Pi 3 で UEFI を使って NetBSD-10 を起動させるには、 https://washbear.neocities.org/rpi3-netbsd-uefi を参考にすればよいようでござる。

まず、 Raspberry Pi 3 用の UEFI ファームウェアをダウンロードするでござ る。


# cd /tmp
# wget https://github.com/pftf/RPi3/releases/download/v1.39/RPi3_UEFI_Firmware_v1.39.zip
# ls -lF RPi3_UEFI_Firmware_v1.39.zip 
-rw-r--r--  1 root  wheel  3798561 Jun  5  2023 RPi3_UEFI_Firmware_v1.39.zip
# unzip -l RPi3_UEFI_Firmware_v1.39.zip 
Archive:  RPi3_UEFI_Firmware_v1.39.zip
  Length     Date   Time    Name
 --------    ----   ----    ----
  2031616  06-05-23 18:59   RPI_EFI.fd
    52476  06-05-23 18:59   bootcode.bin
      252  06-05-23 18:52   config.txt
     7266  06-05-23 19:00   fixup.dat
  2977280  06-05-23 19:00   start.elf
     3593  06-05-23 18:52   Readme.md
    33851  06-05-23 19:00   bcm2710-rpi-3-b-plus.dtb
    33224  06-05-23 19:00   bcm2710-rpi-3-b.dtb
    30923  06-05-23 19:00   bcm2710-rpi-cm3.dtb
        0  06-05-23 18:52   firmware/
      979  06-05-23 18:52   firmware/Readme.txt
     2172  06-05-23 18:52   firmware/brcmfmac43455-sdio.txt
     9136  06-05-23 18:52   firmware/LICENCE_bin+clm_blob.txt
     4733  06-05-23 18:52   firmware/brcmfmac43430-sdio.clm_blob
     4733  06-05-23 18:52   firmware/brcmfmac43455-sdio.clm_blob
   638951  06-05-23 18:52   firmware/brcmfmac43455-sdio.bin
    11836  06-05-23 18:52   firmware/LICENSE_txt.txt
     1185  06-05-23 18:52   firmware/brcmfmac43430-sdio.txt
   421158  06-05-23 18:52   firmware/brcmfmac43430-sdio.bin
 --------                   -------
  6265364                   19 files

ダウンロードした ZIP アーカイブのファイルを展開するでござる。


# mkdir rpi3_firmware
# cd rpi3_firmware
# unzip ../RPi3_UEFI_Firmware_v1.39.zip 
Archive:  ../RPi3_UEFI_Firmware_v1.39.zip
 extracting: RPI_EFI.fd  
 extracting: bootcode.bin  
 extracting: config.txt  
 extracting: fixup.dat  
 extracting: start.elf  
 extracting: Readme.md  
 extracting: bcm2710-rpi-3-b-plus.dtb  
 extracting: bcm2710-rpi-3-b.dtb  
 extracting: bcm2710-rpi-cm3.dtb  
   creating: firmware/
 extracting: firmware/Readme.txt  
 extracting: firmware/brcmfmac43455-sdio.txt  
 extracting: firmware/LICENCE_bin+clm_blob.txt  
 extracting: firmware/brcmfmac43430-sdio.clm_blob  
 extracting: firmware/brcmfmac43455-sdio.clm_blob  
 extracting: firmware/brcmfmac43455-sdio.bin  
 extracting: firmware/LICENSE_txt.txt  
 extracting: firmware/brcmfmac43430-sdio.txt  
 extracting: firmware/brcmfmac43430-sdio.bin  
# ls -lF
total 5068
-rw-r--r--  1 root  wheel  2031616 Jun  5  2023 RPI_EFI.fd
-rw-r--r--  1 root  wheel     3593 Jun  5  2023 Readme.md
-rw-r--r--  1 root  wheel    33851 Jun  5  2023 bcm2710-rpi-3-b-plus.dtb
-rw-r--r--  1 root  wheel    33224 Jun  5  2023 bcm2710-rpi-3-b.dtb
-rw-r--r--  1 root  wheel    30923 Jun  5  2023 bcm2710-rpi-cm3.dtb
-rw-r--r--  1 root  wheel    52476 Jun  5  2023 bootcode.bin
-rw-r--r--  1 root  wheel      252 Jun  5  2023 config.txt
drwxr-xr-x  2 root  wheel      432 Aug 15 14:07 firmware/
-rw-r--r--  1 root  wheel     7266 Jun  5  2023 fixup.dat
-rw-r--r--  1 root  wheel  2977280 Jun  5  2023 start.elf

次に、 bootloader をダウンロードして、適切な場所に置くでござる。


# pwd
/tmp/rpi3_firmware
# mkdir -p EFI/BOOT
# cd EFI/BOOT
# wget https://nycdn.netbsd.org/pub/NetBSD-daily/netbsd-10/latest/evbarm-aarch64/installation/misc/bootaa64.efi
# ls -lF bootaa64.efi 
-rw-r--r--  1 root  wheel  196056 Aug 13 16:54 bootaa64.efi

それから、 boot.cfg ファイルを用意するでござる。


# cd ../../
# pwd
/tmp/rpi3_firmware
# vi boot.cfg
# cat boot.cfg
menu=Boot RPi3 normally:acpi off;rndseed /var/db/entropy-file;boot
menu=Boot RPi3 single user:acpi off;rndseed /var/db/entropy-file;boot -s
menu=Drop to boot prompt:prompt
default=1
timeout=10
clear=1

今度は、 NetBSD-10 のイメージファイルをダウンロードするでござる。


# cd /tmp
# wget https://nycdn.netbsd.org/pub/NetBSD-daily/netbsd-10/latest/evbarm-aarch64/binary/gzimg/arm64mbr.img.gz
# gunzip arm64mbr.img.gz
# ls -lF arm64mbr.img 
-rw-r--r--  1 daisuke  wheel  1582301184 Aug 15 13:10 arm64mbr.img

arm64mbr.img ファイルから、必要なファイルを取り出すでござる。


# vndconfig vnd0 /tmp/arm64mbr.img
# mount -t msdos /dev/vnd0e /mnt
# cd /mnt/dtb/broadcom
# ls -lF
total 158
-r-xr-xr-x  1 root  wheel  37735 Aug 13 08:54 bcm2711-rpi-4-b.dtb*
-r-xr-xr-x  1 root  wheel  37679 Aug 13 08:54 bcm2711-rpi-400.dtb*
-r-xr-xr-x  1 root  wheel  20741 Aug 13 08:54 bcm2837-rpi-3-a-plus.dtb*
-r-xr-xr-x  1 root  wheel  21610 Aug 13 08:54 bcm2837-rpi-3-b-plus.dtb*
-r-xr-xr-x  1 root  wheel  21142 Aug 13 08:54 bcm2837-rpi-3-b.dtb*
-r-xr-xr-x  1 root  wheel  20465 Aug 13 08:54 bcm2837-rpi-cm3-io3.dtb*
# cp -pi bcm2837-rpi-* /tmp/rpi3_firmware
# cd /tmp/rpi3_firmware
# ls -lF 
total 5168
drwxr-xr-x  3 root  wheel       48 Aug 15 15:09 EFI/
-rw-r--r--  1 root  wheel  2031616 Jun  5  2023 RPI_EFI.fd
-rw-r--r--  1 root  wheel     3593 Jun  5  2023 Readme.md
-rw-r--r--  1 root  wheel    33851 Jun  5  2023 bcm2710-rpi-3-b-plus.dtb
-rw-r--r--  1 root  wheel    33224 Jun  5  2023 bcm2710-rpi-3-b.dtb
-rw-r--r--  1 root  wheel    30923 Jun  5  2023 bcm2710-rpi-cm3.dtb
-r-xr-xr-x  1 root  wheel    20741 Aug 13 08:54 bcm2837-rpi-3-a-plus.dtb*
-r-xr-xr-x  1 root  wheel    21610 Aug 13 08:54 bcm2837-rpi-3-b-plus.dtb*
-r-xr-xr-x  1 root  wheel    21142 Aug 13 08:54 bcm2837-rpi-3-b.dtb*
-r-xr-xr-x  1 root  wheel    20465 Aug 13 08:54 bcm2837-rpi-cm3-io3.dtb*
-rw-r--r--  1 root  wheel      201 Aug 15 15:10 boot.cfg
-rw-r--r--  1 root  wheel    52476 Jun  5  2023 bootcode.bin
-rw-r--r--  1 root  wheel      252 Jun  5  2023 config.txt
drwxr-xr-x  2 root  wheel      432 Aug 15 15:09 firmware/
-rw-r--r--  1 root  wheel     7266 Jun  5  2023 fixup.dat
-rw-r--r--  1 root  wheel  2977280 Jun  5  2023 start.elf
# umount /mnt
# vndconfig -u vnd0

micro-SD カードに arm64mbr.img を書き込むでござる。


# dd if=/tmp/arm64mbr.img of=/dev/rsd0d bs=1m
1509+0 records in
1509+0 records out
1582301184 bytes transferred in 82.598 secs (19156652 bytes/sec)

micro-SD カード上の一部のファイルを入れ替えるでござる。


# mount -t msdos /dev/sd0e /mnt
# cd /mnt
# ls -lF
total 23151
drwxr-xr-x  1 root  wheel      1024 Aug 13 08:54 EFI/
-rwxr-xr-x  1 root  wheel      1594 Aug 13 08:54 LICENCE.broadcom*
-rwxr-xr-x  1 root  wheel     52476 Aug 13 08:54 bootcode.bin*
-rwxr-xr-x  1 root  wheel        21 Aug 13 08:54 cmdline.txt*
-rwxr-xr-x  1 root  wheel       155 Aug 13 08:54 config.txt*
drwxr-xr-x  1 root  wheel      1024 Aug 13 08:54 dtb/
-rwxr-xr-x  1 root  wheel      7269 Aug 13 08:54 fixup.dat*
-rwxr-xr-x  1 root  wheel      5412 Aug 13 08:54 fixup4.dat*
-rwxr-xr-x  1 root  wheel      3180 Aug 13 08:54 fixup4cd.dat*
-rwxr-xr-x  1 root  wheel      3180 Aug 13 08:54 fixup_cd.dat*
-rwxr-xr-x  1 root  wheel  16770784 Aug 13 08:54 netbsd.img*
-rwxr-xr-x  1 root  wheel   2979264 Aug 13 08:54 start.elf*
-rwxr-xr-x  1 root  wheel   2254944 Aug 13 08:54 start4.elf*
-rwxr-xr-x  1 root  wheel    808060 Aug 13 08:54 start4cd.elf*
-rwxr-xr-x  1 root  wheel    808060 Aug 13 08:54 start_cd.elf*
# rm -rf *
# cd /tmp/rpi3_firmware
# tar cf - * | (cd /mnt; tar xvf -)
x EFI/
x EFI/BOOT/
x EFI/BOOT/bootaa64.efi
x RPI_EFI.fd
x Readme.md
x bcm2710-rpi-3-b-plus.dtb
x bcm2710-rpi-3-b.dtb
x bcm2710-rpi-cm3.dtb
x bcm2837-rpi-3-a-plus.dtb
x bcm2837-rpi-3-b-plus.dtb
x bcm2837-rpi-3-b.dtb
x bcm2837-rpi-cm3-io3.dtb
x boot.cfg
x bootcode.bin
x config.txt
x firmware/
x firmware/Readme.txt
x firmware/brcmfmac43455-sdio.txt
x firmware/LICENCE_bin+clm_blob.txt
x firmware/brcmfmac43430-sdio.clm_blob
x firmware/brcmfmac43455-sdio.clm_blob
x firmware/brcmfmac43455-sdio.bin
x firmware/LICENSE_txt.txt
x firmware/brcmfmac43430-sdio.txt
x firmware/brcmfmac43430-sdio.bin
x fixup.dat
x start.elf
# cd /mnt
# ls -lF
total 5142
drwxr-xr-x  1 root  wheel     1024 Aug 15 15:18 EFI/
-rwxr-xr-x  1 root  wheel  2031616 Jun  5  2023 RPI_EFI.fd*
-rwxr-xr-x  1 root  wheel     3593 Jun  5  2023 Readme.md*
-rwxr-xr-x  1 root  wheel    33851 Jun  5  2023 bcm2710-rpi-3-b-plus.dtb*
-rwxr-xr-x  1 root  wheel    33224 Jun  5  2023 bcm2710-rpi-3-b.dtb*
-rwxr-xr-x  1 root  wheel    30923 Jun  5  2023 bcm2710-rpi-cm3.dtb*
-r-xr-xr-x  1 root  wheel    20741 Aug 13 08:54 bcm2837-rpi-3-a-plus.dtb*
-r-xr-xr-x  1 root  wheel    21610 Aug 13 08:54 bcm2837-rpi-3-b-plus.dtb*
-r-xr-xr-x  1 root  wheel    21142 Aug 13 08:54 bcm2837-rpi-3-b.dtb*
-r-xr-xr-x  1 root  wheel    20465 Aug 13 08:54 bcm2837-rpi-cm3-io3.dtb*
-rwxr-xr-x  1 root  wheel      201 Aug 15 15:10 boot.cfg*
-rwxr-xr-x  1 root  wheel    52476 Jun  5  2023 bootcode.bin*
-rwxr-xr-x  1 root  wheel      252 Jun  5  2023 config.txt*
drwxr-xr-x  1 root  wheel     1024 Aug 15 15:18 firmware/
-rwxr-xr-x  1 root  wheel     7266 Jun  5  2023 fixup.dat*
-rwxr-xr-x  1 root  wheel  2977280 Jun  5  2023 start.elf*

こうして準備した micro-SD カードを Raspberry Pi 3 に差し込んで電源を入 れれば、 NetBSD-10 が起動するでござる。

ただし、起動の過程で root device, dump device, file system, init path について入力を求められるでござる。 Return キーを押さないと起動してくれ ないので、不便でござる。

参考文献



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