Cobham Gaisler AB provides IP cores and supporting development tools for embedded processors based on the SPARC architecture. We specialize in digital hardware design for both commercial and aerospace applications


GRTools is a single-file installer for Windows. It will install the following tools in a uniform way:

  • BCC cross-compiler GCC 3.4.4 and 4.4.2 (no LEON2 support)
  • BCC2 C/C++11 cross-compiler GCC 4.9 and LLVM-4.0
  • RCC cross-compler including RTEMS-4.10
  • LEON IDE including Eclipse and CDT
  • GRMON2 eval
  • TSIM-LEON3 eval
  • HASP HL drivers for GRMON and TSIM
  • Development tools:
    • MSYS
    • MinGW
    • MSYS DTK
    • Autoconf
    • Automake

The development tools are needed to re-compile the RTEMS source code.
The installer will update the path environment variable and create short-cuts on the desktop.

Download links

GRTools-20170918.exe  Single file installer (491 Mbyte, http, md5sum) 18-Sept-2017