OpenBSD
   syuu@openbsd.org
General Hackathon!
• 2010/06/25 - 2010/07/03
• Edmonton, Canada ←Theo
• kernel hackers + port maintainers
•             Ha...
Hackroom
BBQ
BEER!
Food
Short trip to
 Vancouver!
• SGI Origin   SMP
         …




•                    OpenBSD
Cavium OCTEON



• MIPS64 SoC, Multicore(1-32 core)
• 300MHz - 1.5GHz
• GbE, DDR DRAM, USB, PCI...
• for Router(Both broad...
OCTEON Based
                routers
•   IIJ SEIL/X, SEIL/X2
•   YAMAHA RTX-1200
•   Juniper SRX100
•   SonicWALL TotalSec...
OCTEON based
  manycore machines

• Movidis x16(16 cores)
• ADVANTECH NCP-7560(12~96 cores!!!)
OpenBSD/OCTEON?
OpenBSD

Theo: “No.” (AsiaBSDCon 2010)



→
Portwell CAM-0100
OCTEON CN5020 500MHz, 2core
DDR2 SODIMM, 6 port GbE, MiniPCI, SATA, CF, USB
*BSD/OCTEON
• FreeBSD -
• NetBSD - IIJ

• OpenBSD -
• DragonflyBSD - ( Д )   ?
• FreeBSD
• Loongson port

•
•   Hackathon   Portwell                 IIJ SEIL

•                OCTEON             Cavium          u-boot

•
•   u-boo...
•          TLB

•   FreeBSD
    ↑

•
•   OCTEON           (Valid bit=0)


    SGI   Loongson
•   MIPS x86
    →TLB miss         Exception         OS

•           TLB miss
                                  ERL
    Ex...
•              ramdisk         /sbin/init
           …/sbin/sh                      panic

• FP                           ...
FPU
•
•                     float FPU



    •   FPU

    •
    •
•             FPU   trap

    •
    •
current status

•   NetBSD   FPEMUL

•
•
    (^q^
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  • Openbsd days

    1. 1. OpenBSD syuu@openbsd.org
    2. 2. General Hackathon! • 2010/06/25 - 2010/07/03 • Edmonton, Canada ←Theo • kernel hackers + port maintainers • Hackathon • Network, Hardware, Ports... •
    3. 3. Hackroom
    4. 4. BBQ
    5. 5. BEER!
    6. 6. Food
    7. 7. Short trip to Vancouver!
    8. 8. • SGI Origin SMP … • OpenBSD
    9. 9. Cavium OCTEON • MIPS64 SoC, Multicore(1-32 core) • 300MHz - 1.5GHz • GbE, DDR DRAM, USB, PCI... • for Router(Both broadband and Enterprise)
    10. 10. OCTEON Based routers • IIJ SEIL/X, SEIL/X2 • YAMAHA RTX-1200 • Juniper SRX100 • SonicWALL TotalSecure TZ210 • CENTURY SYSTEMS FutureNet NXR-130/C • NTT etc...
    11. 11. OCTEON based manycore machines • Movidis x16(16 cores) • ADVANTECH NCP-7560(12~96 cores!!!)
    12. 12. OpenBSD/OCTEON? OpenBSD Theo: “No.” (AsiaBSDCon 2010) →
    13. 13. Portwell CAM-0100 OCTEON CN5020 500MHz, 2core DDR2 SODIMM, 6 port GbE, MiniPCI, SATA, CF, USB
    14. 14. *BSD/OCTEON • FreeBSD - • NetBSD - IIJ • OpenBSD - • DragonflyBSD - ( Д ) ?
    15. 15. • FreeBSD • Loongson port •
    16. 16. • Hackathon Portwell IIJ SEIL • OCTEON Cavium u-boot • • u-boot • u-boot • • u-boot →
    17. 17. • TLB • FreeBSD ↑ • • OCTEON (Valid bit=0) SGI Loongson
    18. 18. • MIPS x86 →TLB miss Exception OS • TLB miss ERL Exception • ERL • ERL
    19. 19. • ramdisk /sbin/init …/sbin/sh panic • FP /sbin/sh FPU • OCTEON FPU (^o^)
    20. 20. FPU • • float FPU • FPU • • • FPU trap • •
    21. 21. current status • NetBSD FPEMUL • • (^q^
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