olegslavkin

# Prefix
unbind C-b
set -g prefix `
bind ` send-prefix

set -g default-terminal "screen-256color"
set -g base-index 1

set -g mouse-select-pane on

olegslavkin

#!/bin/bash

# Initialize variables
resolution="1024x780x24"
additional_cmd="ls -l"
x11vnc_args=""
unixsockonly=0

while getopts "h?r:a:x:fu" opt; do
    printf " -%s '%s'\n" $OPTION $OPTARG

olegslavkin

Compile

micropython for MIPS32
CC="msdk-linux-gcc" CXX="msdk-linux-gcc" ./configure --prefix=$(pwd)/lib1 --host=mips-linux --enable-static=yes --enable-shared=yes
cd ../../ports/unix && PKG_CONFIG_PATH=../../lib/libffi/mips-unknown-elf/ CROSS_COMPILE=msdk-linux- make

RUN

$ LD_LIBRARY_PATH=./:$LD_LIBRARY_PATH ./micropython -h
usage: ./micropython [] [-X ] [-c ] []

olegslavkin

Компиляция qemu

Инструкция основанная на CentOS 7.6

Установка неободимы пакетов

yum install -y git make gcc glib2-devel zlib-devel pixman-devel bison flex

Создание rootfs

mkdir -p ~/rootfs

olegslavkin

docker

mkdir ~/Downloads/arm/
cd ~/Downloads/arm/
docker run -it --rm -v $(pwd):/mnt --privileged -w /mnt --name arm ubuntu

prepare container

apt update
apt install gcc-arm-linux-gnueabi python gcc pkg-config libglib2.0-dev libpixman-1-dev libncurses-dev bison flex wget git bc -y

olegslavkin

prepare host (docker host)

export EALAB=~/Projects/qemu-arm-lab/
mkdir -p ${EALAB} && cd "$_"

# This's for rootfs booted by NFS 
# install nfs server. For ubuntu apt install -y nfs-kernel-server
echo "${EALAB}/rootfs *(rw,sync,no_root_squash,no_subtree_check)" | sudo tee --append /etc/exports
sudo systemctl restart nfs-kernel-server.service

olegslavkin

/ # dmesg 
[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 5.0.9 (root@tionpro28-build) (gcc version 8.2.0 (Ubuntu 8.2.0-7ubuntu1)) #2 Tue Apr 30 09:51:30 UTC 2019
[    0.000000] CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
[    0.000000] CPU: VIVT data cache, VIVT instruction cache
[    0.000000] OF: fdt: Machine model: Freescale i.MX28 Evaluation Kit
[    0.000000] Memory policy: Data cache writeback
[    0.000000] On node 0 totalpages: 32768
[    0.000000]   Normal zone: 256 pages used for memmap
[    0.000000]   Normal zone: 0 pages reserved

olegslavkin

Подключенный к USB порту телефон (на зараядке)

[40398.092815] usb 1-2: new high-speed USB device number 6 using xhci_hcd
[40398.243708] usb 1-2: New USB device found, idVendor=0e8d, idProduct=2000, bcdDevice= 1.00
[40398.243713] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[40398.243717] usb 1-2: Product: MT65xx Preloader
[40398.243720] usb 1-2: Manufacturer: MediaTek
[40398.875673] cdc_acm 1-2:1.0: Zero length descriptor references
[40398.875680] cdc_acm: probe of 1-2:1.0 failed with error -22
[40398.875731] cdc_acm 1-2:1.1: ttyACM0: USB ACM device

olegslavkin

Первое включение.

Поведение индикаторов devboard

• При первом включение горят постоянно светодиоды: D20, D9, D11, D12, D31 (green), D13 (blue)
• Светодиоды D21 - D29 включаются по-переменно.
• 14-ти сегментный дисплей по-переменно включаются все сегменты, включая точку справа.

Сообщения в Linux

$ dmesg
...

olegslavkin

sudo iptables -t nat -A POSTROUTING -o wlp8s0 -j MASQUERADE
sudo iptables -A FORWARD -i enx00e0600014f9 -o wlp8s0 -j ACCEPT
sudo iptables -A FORWARD -i wlp8s0 -o enx00e0600014f9 -j ACCEPT