Youbest, lyxmoo, along with other members on Lemote BBS are now developing a genuine 64bit Linux system for Loongson. Former Debian GNU/Linux installed on Loongson Box had got a 64bit kernel but the operation system is still 32bit only.
Youbest had already finished a simple command-line 64bit Linux OS on Loongson by Jan. 12. The OS is now available for every Loongson users. On Jan. 15, lyxmoo released 64bit compiler environment for Loongson 2E.
Moreover, kingkongmao finished developing a new PMON supporting ELF64 for Loongson this morning.