软件栈
在《走进龙芯3A3000（二）安装Gentoo N64 》里面已经搭建了一个可以启动登陆到bash的系统，并且编译安装了内核。剩下的就是在这个基础之上一层一层的搭建各种软件。首先是X11，然后我期望是KDE，接着是firefox之类的浏览器，当然还有libreoffice、GIMP之类。
安装xorg-server
emerge --ask app-misc/screen
screen
emerge --ask eix gentoolkit layman bash-completion
mkdir -p /var/cache/eix/
touch /var/cache/eix/portage.eix
chmod a+w /var/cache/eix/portage.eix
eix-update
# wiki/Xorg
# wiki/Xorg/Guide
# wiki/Libinput
vi /etc/portage/make.conf
INPUT_DEVICES="libinput"
VIDEO_CARDS="radeon radeonsi amdgpu"
# wiki/Localization/Guide
LINGUAS="zh zh_CN"
L10N="zh zh-CN"
#USE="networkmanager bash-completion"
USE="alsa pulseaudio networkmanager bash-completion"
# wqy-microhei is block
# emerge --ask xorg-server wqy-microhei source-han-sans
vi /etc/portage/package.use/default.use
media-fonts/noto cjk
# kdebase-meta
# /usr/portage/profile/arch/mips/use.mask
# mask many useful USE, unmask it.
mkdir /etc/portage/profile/ -p
vi /etc/portage/profile/use.mask
-video_cards_radeon
-pulseaudio
-gnome
mkdir /etc/portage/package.keywords/ -p
vi /etc/portage/package.keywords/default.keywords
x11-drivers/xf86-video-ati *
media-fonts/wqy-microhei *
dev-util/xdelta *
emerge --ask xorg-server media-fonts/wqy-microhei
# 20180717 R9 280X只有HDMI口和miniDP口，用miniDP连接DELL P2415Q 中间的DP口
# 实现4K@60Hz，使用HDMI口只有4K@30Hz
rc-update del net.enp6s0
vi /etc/NetworkManager/NetworkManager.conf
[main]
plugins=keyfile
hostname-mode=none
rc-update add NetworkManager default
vi /etc/conf.d/hostname
hostname="Loongson-3A3000"
#===========================================================================
#== beyond-xface-gentoo-n64-unkown-linux-gnu.txt insert here ===============
#===========================================================================