CHAPTER 19 Starting Cortex-M3 Development Using the GNU Tool Chain

In This Chapter:

• Background

• Getting the GNU Tool Chain

• Development Flow

• Examples

• Accessing Special Registers

• Using Unsupported Instructions

• Inline Assembler in the GNU C Compiler

Background

Many people use the GNU tool chain for ARM product development, and a number of development tools for ARM are based on the GNU tool chain. The GNU tool chain supports the Cortex-M3 and is currently freely available from CodeSourcery (www.codesourcery.com). The main GNU C Compiler development will include support for the Cortex-M3 in the near future.

This chapter introduces only the most basic steps in using the GNU tool chain. Detailed uses of the tool chain are available ...

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