Nios® V Processor Software Developer Handbook

ID 743810
Date 7/20/2023
Public

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5.2.4. C Standard Library—Newlib, Picolibc

The HAL integrates the ANSI C standard library in its runtime environment. The HAL uses Newlib by default as an open-source implementation of the C standard library. Newlib is a C library for use on embedded systems, making it a perfect match for the HAL and the Nios® V processor. Alternatively, Picolibc, a smaller and slower C library option can be used in place of Newlib for code-size critical designs. Newlib and Picolibc licensing does not require you to release your source code or pay royalties for projects based on Newlib or Picolibc.