https://github.com/dinuxbg/gnuprumcu

Linker scripts and device specs for PRU MCU variants
https://github.com/dinuxbg/gnuprumcu

beaglebone pru

Last synced: 6 months ago
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Linker scripts and device specs for PRU MCU variants

• Host: GitHub
• URL: https://github.com/dinuxbg/gnuprumcu
• Owner: dinuxbg
• License: other
• Created: 2019-09-02T19:20:00.000Z (almost 7 years ago)
• Default Branch: master
• Last Pushed: 2025-11-30T19:24:51.000Z (7 months ago)
• Last Synced: 2025-12-02T00:12:18.077Z (7 months ago)
• Topics: beaglebone, pru
• Language: C
• Size: 156 KB
• Stars: 5
• Watchers: 1
• Forks: 1
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: COPYING

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README

          
![build status](https://git.beagleboard.org/beagleboard/gnuprumcu/badges/master/pipeline.svg)

# Device specs and I/O headers for PRU MCU variants

## Introduction

This package contains the device [specs](https://gcc.gnu.org/onlinedocs/gcc/Spec-Files.html) and I/O headers for the different PRU variants in different TI SoCs.

Install this package to allow the `-mmcu=` GCC compiler option to pick the correct settings for your board.

## Usage

Let's say that we're building firmware for PRU0 core from the ICSSG1 instance on [Beagleboard-AI64](https://www.beagleboard.org/boards/beaglebone-ai-64). In such case you must pass the `tda4vm.icssg1.pru0` spec to the GCC's `-mmcu=` command line option, e.g.:

	pru-gcc -mmcu=tda4vm.icssg1.pru0 -Os -Wall main.c -o firmware.elf

The above spec would in turn provide the correct IMEM and DMEM memory sizes to the linker. It would also add preprocessor defines to allow distinguishing PRU cores in C and ASM programs. Example:

	#if defined(__TDA4VM_ICSSG1_PRU0__)

		/* This C code section will be compiled only

		 * for PRU0 from ICSSG1 on Beaglebone-AI64. */

	#endif

	#if defined(__TDA4VM_ICSSG1__)

		/* This C code section will be compiled for any

		 * PRU core from ICSSG1 on Beaglebone-AI64. */

	#endif

	#if defined(__TDA4VM__)

		/* This C code section will be compiled for any

		 * PRU core from any ICSSG on Beaglebone-AI64. */

	#endif

For a full list of supported specs see [here](./MCU-LIST.md).

## Building from GIT

The autoconf and automake tools are needed to bootstrap the build scripts.

	autoreconf -vfi

	./configure --prefix=/usr/local --host=pru

	make

	make install

## Building from a released tarball

Use the standard configure and make steps.

	./configure --prefix=/usr/local --host=pru

	make

	make install

## Creating Debian Package

	debuild -i -us -uc -b

	ls -l ../gnuprumcu_*.deb