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franzflasch / howto-ct-ng-sifive-hifive1.md
Last active January 21, 2024 06:21
crosstool-ng risc-v - sifive hifive1 configuration

Howto build a crosscompiler for risc-v sifive-hifive1 with crosstool-ng

Create working dir

mkdir risc-v-gcc
cd risc-v-gcc

Fetch crosstool-ng

git clone https://github.com/crosstool-ng/crosstool-ng.git
@franzflasch
franzflasch / gcc-llvm-cheat-sheet.md
Last active November 11, 2019 09:35
gcc-cheat-sheet

GCC

List supported ARCH and ABI

gcc -Q --help=target

Clang/LLVM

List supported targets

llc --version
@franzflasch
franzflasch / qemu-arm-with-busybox-linux-and-shared-folder.md
Last active October 18, 2024 15:40
Howto qemu-arm with busybox linux and shared folder

Install dependencies

apt-get install gcc-arm-linux-gnueabihf qemu

Prepare work directory

mkdir qemu-arm-sandbox && cd qemu-arm-sandbox
@franzflasch
franzflasch / openwrt-cheat-sheet.md
Last active February 4, 2020 09:37

goip dynamic dns:

prepare curl:

opkg install curl  
opkg install ca-certificates  
opkg install ca-bundle

goip script:

@franzflasch
franzflasch / qemu-cortex-m-stm32.md
Last active December 4, 2024 11:41
qemu-cortex-m-stm32

OPTION 1: Howto qemu cortex-m (stm32) 'vanilla' qemu

Install prerequisites

Note: This was tested with QEMU emulator version 8.2.2

sudo apt install qemu-system-arm

Build an stm32f1 example that uses the usart as printf like this:

@franzflasch
franzflasch / qemu-riscv-hifive1.md
Last active November 2, 2018 08:09

1. Prepare prerequisites:

apt-get install build-essential zlib1g-dev pkg-config libglib2.0-dev binutils-dev libboost-all-dev autoconf libtool libssl-dev libpixman-1-dev libpython-dev python-pip python-capstone virtualenv

2. Build qemu-riscv:

cd ..
git clone https://github.com/riscv/riscv-qemu.git
cd riscv-qemu
@franzflasch
franzflasch / byobu-cheat-sheet.md
Last active March 13, 2020 21:24
byobu cheat sheet

Create new named session:

byobu -S <session-name>

List windows of named session

byobu -S <session-name> ls
@franzflasch
franzflasch / opensource-fpga.md
Last active December 20, 2018 10:59
opensource fpga development
@franzflasch
franzflasch / coding-style.md
Last active September 20, 2022 16:02
coding style

Formats the source file to the gnu coding style, with no curly braces intendation and line length of 100

indent <source-file> -o <output-file> -gnu -bli0 -l100

clang-format with Microsoft style is nice

clang-format -style=Microsoft -i read_serial_raw.c
@franzflasch
franzflasch / qemu-networking.md
Created November 26, 2019 12:38 — forked from extremecoders-re/qemu-networking.md
Setting up Qemu with a tap interface

Setting up Qemu with a tap interface

There are two parts to networking within QEMU:

  • The virtual network device that is provided to the guest (e.g. a PCI network card).
  • The network backend that interacts with the emulated NIC (e.g. puts packets onto the host's network).

Example: User mode network