The Arcload package contains a SGI Bootloader.
This program is the Arcload bootloader, which is for SGI Workstations and SGI Servers based on MIPS Processors.
Compile the package:
make MODE=M64 clean make CC="gcc" LD="ld" MODE=M64
Install the package:
install -dv /usr/lib/arcload cp -v arcload /usr/lib/arcload/sash64