Subversion Repositories neorv32

# NEORV32 Software Framework

This folder provides the core of the NEORV32 software framework.

This is a short description of the main folders.

## [bootloader](bootloader)

Source(s) of the default NEORV32 bootloader.

A pre-built image is already installed into the rtl design via the `rtl/core/neorv32_bootloader_image.vhd` file.

## [common](common)

NEORV32-specific common files for all bootloader and application programs:

linker script for executable generation and processor start-up code.

## [example](example)

Several example programs for testing and for getting started.

## [image_gen](image_gen)

This folder contains a simple program that is used to create NEORV32 executables (for upload via bootloader) and VHDL

memory initializiation files (for memory-persistent applications and for the bootloader).

This program is automatically compiled using the native GCC when invoking one of the application compilation makefiles.

## [isa-test](isa-test)

NEORV32 RISC-V Architecture Test Framework.

See [sim/README](../sim/README.md).

## [lib](lib)

Core libraries (sources and header files) and helper functions for using the processor peripherals and the CPU itself.

## [ocd-firmware](ocd-firmware)

Firmware (debugger "park loop") for the on-chip debugger. This folder is just for documenting the source code.

Modifying the sources is not recommended as this could break the on-chip debugger.

## [openocd](openocd)

Configuration file for openOCD to connect to the NEORV32 on-chip debugger via JTAG.