[[FrontPage]]
#contents
-[[ROCK64 – PINE64>https://www.pine64.org/?page_id=7147]]

|SoC|Rockchip RK3328|
|CPU|Arm Cortex A53 1.3GHz Quad-core|
|GPU|Mali 450 MP2|
|Memory|4GB|

*購入品 [#g234ee4d]
-ROCK64 4GB版
*スペック [#o0f44e6f]
-cpu:Arm Cortex A53
-architecture:Armv8
-cpuinfo
 $ cat /proc/cpuinfo
 processor       : 0
 BogoMIPS        : 48.00
 Features        : fp asimd evtstrm aes pmull sha1 sha2 crc32
 CPU implementer : 0x41
 CPU architecture: 8
 CPU variant     : 0x0
 CPU part        : 0xd03
 CPU revision    : 4
 
 processor       : 1
 BogoMIPS        : 48.00
 Features        : fp asimd evtstrm aes pmull sha1 sha2 crc32
 CPU implementer : 0x41
 CPU architecture: 8
 CPU variant     : 0x0
 CPU part        : 0xd03
 CPU revision    : 4
 
 processor       : 2
 BogoMIPS        : 48.00
 Features        : fp asimd evtstrm aes pmull sha1 sha2 crc32
 CPU implementer : 0x41
 CPU architecture: 8
 CPU variant     : 0x0
 CPU part        : 0xd03
 CPU revision    : 4
 
 processor       : 3
 BogoMIPS        : 48.00
 Features        : fp asimd evtstrm aes pmull sha1 sha2 crc32
 CPU implementer : 0x41
 CPU architecture: 8
 CPU variant     : 0x0
 CPU part        : 0xd03
 CPU revision    : 4
 
 Serial          : 56cfae47a706c5e0
-auxv
 0000000000000021 0000007f9acc1000
 0000000000000010 00000000000000ff
 0000000000000006 0000000000001000
 0000000000000011 0000000000000064
 0000000000000003 00000055721dd040
 0000000000000004 0000000000000038
 0000000000000005 0000000000000008
 0000000000000007 0000007f9ac96000
 0000000000000008 0000000000000000
 0000000000000009 00000055721df188
 000000000000000b 00000000000003e8
 000000000000000c 00000000000003e8
 000000000000000d 00000000000003e8
 000000000000000e 00000000000003e8
 0000000000000017 0000000000000000
 0000000000000019 0000007ff9888198
 000000000000001f 0000007ff9888feb
 000000000000000f 0000007ff98881a8
 0000000000000000 0000000000000000
-kernel
 $ uname -a
 Linux rock64 4.4.70-rockchip-ayufan-83 #1 SMP Mon Jul 31 08:43:12 UTC 2017 aarch64 GNU/Linux
-cpufreq 1.3GHz
 $ cat /sys/devices/system/cpu/cpu*/cpufreq/cpuinfo_max_freq
 1296000
 1296000
 1296000
 1296000
-OS
 $ lsb_release -a
 No LSB modules are available.
 Distributor ID: Debian
 Description:    Debian GNU/Linux 9.1 (stretch)
 Release:        9.1
 Codename:       stretch
 $ cat /etc/os-release
 PRETTY_NAME="Debian GNU/Linux 9 (stretch)"
 NAME="Debian GNU/Linux"
 VERSION_ID="9"
 VERSION="9 (stretch)"
 ID=debian
 HOME_URL="https://www.debian.org/"
 SUPPORT_URL="https://www.debian.org/support"
 BUG_REPORT_URL="https://bugs.debian.org/"
-gcc
 $ gcc --version
 gcc (Debian 6.3.0-18) 6.3.0 20170516
 Copyright (C) 2016 Free Software Foundation, Inc.
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*初期設定 [#v1547697]
**OS [#la9f4428]
-[[ROCK64 Main Page - PINE64>http://wiki.pine64.org/index.php/ROCK64_Main_Page]]に一覧がある
-いくつかLinuxを試して、Community Build Debian Stretchを試すことにした。
-gccが6.3(!)
**gparted [#u7689d12]
-イメージが2GBなものなので、gpartedを使って拡張
-最後のパーティションが/で、その後ろが未使用領域。それを最大限拡張
**インストール [#gfec82fd]
-本当にminimalしか入ってないので、aptで必要パッケージをインストール
 $ sudo apt-get install cmake build-essential debconf libgtk2.0-dev openjdk-8-jre-headless strace less file
-ついでにOpenCVのビデオ用に、gstreamerをインストール
 $ sudo apt-get install libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev gstreamer1.0-plugins-base gstreamer1.0-plugins-good gstreamer1.0-plugins-bad
**Time zoneの変更 [#qa38f9f9]
-dpkg-reconfigureコマンドは前述のdebconfパッケージに含まれる
 $ sudo dpkg-reconfigure tzdata
**gitのconfig [#y8dedbc1]
-名前とメールアドレス
 $ git config --global user.name "Foo Bar"
 $ git config --global user.email foo@bar.com
**SSH鍵の生成 [#h2986a5d]
-とりあえずecdsa型で鍵を生成
 $ ssh-keygen -t ecdsa
 $ ssh-keygen -f hoge
 $ cat hoge.pub >> .ssh/authorized_keys
**OpenCVのclone [#a6243d24]
 $ time git clone git@github.com:opencv/opencv.git opencv-fork
 Cloning into 'opencv'...
 remote: Counting objects: 209536, done.
 remote: Compressing objects: 100% (3/3), done.
 remote: Total 209536 (delta 0), reused 0 (delta 0), pack-reused 209533
 Receiving objects: 100% (209536/209536), 429.67 MiB | 214.00 KiB/s, done.
 Resolving deltas: 100% (144977/144977), done.
 Checking out files: 100% (5367/5367), done.
 
 real    46m29.041s
 user    1m59.190s
 sys     0m26.775s

 $ time git clone git@github.com:opencv/opencv_extra.git
 Cloning into 'opencv_extra'...
 Warning: Permanently added the RSA host key for IP address '192.30.255.112' to the list of known hosts.
 remote: Counting objects: 5940, done.
 


[[Arm]][[:Arm]][[:Arm Cortex A53]]

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