Version v8.2.0-2.2-20190521 is a maintenance release of GNU MCU Eclipse RISC-V Embedded GCC, that fixes the previous bug affecting GDB on macOS.
This release is similar to the SiFive 2019-02 release, including support for SiFive specific CLIC interrupts.
The following commits were used:
- the sifive/riscv-gcc project,
sifive-gcc-8.2.0, commit 242abcaff6 from from 5 April 2019
- the sifive/riscv-binutils-gdb
sifive-binutils-2.32, commit 164267155c from 28 February 2019
- the sifive/riscv-newlib project, commit 42c2e3fb9f from 17 November 2018
GDB was upstreamed and does not require SiFive specific patches,
so the current build uses
c8aa0bb commit from
28 Feb 2019.
All architectures, ABIs and libraries supported by the
toolchain are also supported, with the following improvements:
- a newer
newlibwas included, which supports the ‘underscore’ syscall functions
- the mandatory reference to
libglossin the linker configuration was removed
march=rv32imaf/mabi=ilp32flibrary was added to the list of multilibs
- support for
- the standard documentation, in PDF and HTML, was added
Binaries for Windows, macOS and GNU/Linux are provided.
The GNU/Linux binaries were built on two CentOS 6 Docker images (32/64-bit), and run on any distribution based on CentOS 6 or later.
The Windows binaries were built with mingw-w64, and run on any reasonably recent i686 and x86_64 Windows machines.
Instructions on how to install the binaries are available in the How to install the RISC-V toolchain? page.
$ xpm install --global @gnu-mcu-eclipse/riscv-none-gcc
This installs the latest available version.
For better control and repeatability, the build scripts use Docker containers; all files required during builds are available as a separate gnu-mcu-eclipse/riscv-none-gcc-build project.
The binaries were testes on Windows 10 Pro 32/64-bit, Ubuntu 18 LTS 64-bit, Xubuntu 18 LTS 32-bit and macOS 10.13.
The tests consist in building and debugging some simple Eclipse projects available in the build project.
Since the source code used for GCC is identical to the one used by SiFive, the long and complex tests performed by SiFive to validate their release were not executed again.
- none (so far).
The SHA-256 hashes for the files are:
b36a7633780b98f357ea88b5d80af114b735dd837c9bf74c1d5ba436d2e5def3 gnu-mcu-eclipse-riscv-none-gcc-8.2.0-2.2-20190521-0004-centos32.tgz 3b9d585f6851b137b3938fb288c5e95d13d0580002fa6ca82b754fcffbff508c gnu-mcu-eclipse-riscv-none-gcc-8.2.0-2.2-20190521-0004-centos64.tgz 3bc735ff39820e7775b8e64516d1b89e562a6a744dc591519e7200571aa7aa6c gnu-mcu-eclipse-riscv-none-gcc-8.2.0-2.2-20190521-0004-macos.tgz cba4a66bebc1cef9c0612254b9c7f50a4ff5f9c4d7ab20904bc8d64ad5acb016 gnu-mcu-eclipse-riscv-none-gcc-8.2.0-2.2-20190521-0004-win32.zip 3997402997d7606ff4f744d9602ec098f269c0df23bcce8117aff29cd46df971 gnu-mcu-eclipse-riscv-none-gcc-8.2.0-2.2-20190521-0004-win64.zip