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Welcome to the GNU Toolchain for DesignWare ARC Processors wiki. This site provides useful User Guides and various how-to instructions for the GNU toolchain.

Latest prebuilt versions of the GNU Toolchain for DesignWare ARC Processors can be downloaded from the Releases page

General Topics

• ARCv2 ELF ABI Specification
• Understanding GCC -mcpu option values
• Building a baremetal application
• Using TCFs
• Linker scripts and memory.x files
• Frequently asked questions.

Compiler-specific topics

• Support for ARC custom extensions
• Impact of 64-bit integral operation on GCC toolchain
• Understanding compiler options

User Guides for Debugging

• Using GNU tools and OpenOCD with ARC EM Starter Kit
• Using GNU tools and OpenOCD with ARC AXS SDP
• Using GNU tools and Ashling Opella-XD with ARC AXS SDP
• How to debug Linux applications
• Using KGDB to debug Linux

User Guides for building the GNU Toolchain and other related software packages

• How to build the GNU Toolchain
• How to build Linux with GNU tools and run on simulator
• How to build and configure openOCD for bare metal debugger of DesignWare ARC targets

Other

• How to run DejaGNU tests