Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
DEC_6600,DEC_TITAN Implementation of NetBSD(仮)
Search
nullnilaki
November 30, 2013
Technology
1
160
DEC_6600,DEC_TITAN Implementation of NetBSD(仮)
2013/11/30にNBUGで発表した内容です。
nullnilaki
November 30, 2013
Tweet
Share
Other Decks in Technology
See All in Technology
様々なファイルシステム
sat
PRO
0
230
AI駆動で進める依存ライブラリ更新 ─ Vue プロジェクトの品質向上と開発スピード改善の実践録
sayn0
1
240
MCP ✖️ Apps SDKを触ってみた
hisuzuya
0
330
Wasmの気になる最新情報
askua
0
180
GraphRAG グラフDBを使ったLLM生成(自作漫画DBを用いた具体例を用いて)
seaturt1e
1
120
生成AI時代のPythonセキュリティとガバナンス
abenben
0
120
頭部ふわふわ浄酔器
uyupun
0
110
ソースを読む時の思考プロセスの例-MkDocs
sat
PRO
1
140
AIプロダクトのプロンプト実践テクニック / Practical Techniques for AI Product Prompts
saka2jp
0
100
ソフトウェアエンジニアの生成AI活用と、これから
lycorptech_jp
PRO
0
860
Introduction to Sansan Meishi Maker Development Engineer
sansan33
PRO
0
310
Dylib Hijacking on macOS: Dead or Alive?
patrickwardle
0
460
Featured
See All Featured
How to Ace a Technical Interview
jacobian
280
24k
Fashionably flexible responsive web design (full day workshop)
malarkey
407
66k
Rails Girls Zürich Keynote
gr2m
95
14k
How GitHub (no longer) Works
holman
315
140k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
tammyeverts
10
610
The Cult of Friendly URLs
andyhume
79
6.6k
Fantastic passwords and where to find them - at NoRuKo
philnash
52
3.5k
A better future with KSS
kneath
239
18k
Into the Great Unknown - MozCon
thekraken
40
2.1k
YesSQL, Process and Tooling at Scale
rocio
173
15k
Why Our Code Smells
bkeepers
PRO
340
57k
Speed Design
sergeychernyshev
32
1.2k
Transcript
ɹɹΞϧϑΝɾϫʔϧυ ɹɹɹɹɹɹɹPCIͷόε ͑ͱΈɹͳΔ͖͋ @nullnilaki
ࣗݾհ • ໊ݹߓͷߓӡૹձࣾʹۈ • ݱࡏใγεςϜ෦ʹॴଐ (લݿͰՙΛ͑ͯ·ͨ͠) • ࣄͰCOBOL͔͠৮ͬͨࣄ͕༗Γ·ͤΜ (CݴޠʁΒͳ͍ࢠͰ͢Ͷ…) •
αʔόͷઃఆϕϯμʔ͞ΜͤͳͷͰ UNIXΛ৮ΔͷίϯύΠϥͷίϚϯυΛୟ͚ͩ͘ (ΧʔωϧʁΒͳ͍ࢠͰ͢Ͷ…)
ౙͷ໊ݹߓΩϨΠʂ ͧ͏ΛӡΜͩΓ͠·͢ɻ͍͘͘͢͝͞…
DEC Alphaͱʁ • DEC͕ઃܭͨ͠CPU (͕৺͍ͨͱ͖ʹDECطʹ… ʢ´ʀωʀʆʣ řŕ…) • 64bit RISCϓϩηοα
• ͪΐ͏͍ • NetBSDͰԾΞυϨε43bit(ԾΞυϨεۭؒ8TB) ͪͳΈʹ Tru64UNIX ϥΠηϯεΛೖྗ ͠ͳ͍ͱ͑·ͤΜ
AlphaStation DS15(TITAN chipset) ࠇͯ͘… ΧίΠΠ (;ƅ˲ƅ)=3ŰōŰō
NetBSDͰಈ͔ͳ͔ͬͨͷͰ OpenBSD͔ΒҠ২(send-pr-48148) Notice!: Do not use radeonfb because Display blackout
and panic.
TITAN chipsetͷಛ • ಠཱͨ͠PCIόε͕ೋͭ͋Δʂʁ
BUS͝ͱͷBase address͑͞ ઃఆ͢Εେৎʂ(tsp_configߏମ͕ҰຊͷόεΛཧ) P-01
·ͬͨͱ͜Ζ(radeonfbฤͦͷ̍) P-01 จࣈ͕ग़ྗ͞Εͣ radeonfb_putchar_wrapper ͰޡຎԽͯͨ͠Β… radeonfb.c,v 1.66 Ͱमਖ਼ࡁΈʂ
·ͬͨͱ͜Ζ(radeonfbฤͦͷ̎) radeonfb_set_backlightΛ࣮ߦ͢Δͱը໘͕҉స AlphaΩʔϘʔυ͕ͬͯ͞͞ͳ͍ͱɺϑϨʔϜόοϑΝʹग़ྗ͞Εͳ͍… γϦΞϧίϯιʔϧʹແཧཧग़ྗ ͤ͞Δͱ͍͏ٕΛ֮͑Δʂ radeonfb_set_backlight͕ ͏·͘ಈ͔ͳ͍ͷ Alpha͔ͩΒʁ
·ͬͨͱ͜Ζ(radeonfbฤͦͷ̏)
·ͬͨͱ͜Ζ(cn_tabฤ̍) cn_tabίϯιʔϧͷग़ྗఆٛ ͜ͷΓସ͑ॲཧʹࣦഊ͢Δͱ… ϑΝʔϜΣΞͷจࣈग़ྗ͔Β radeonfb_putcharʹΓସ͑
·ͬͨͱ͜Ζ(cn_tabฤ̎) P-01 ϑΝʔϜΣΞ͕จࣈΛग़ྗ͍ͯ͠Δͱ͜Ζ
·ͬͨͱ͜Ζ(cn_tabฤ̏) • Ͳ͏ͯ͠ߏମͷΞυϨεͷೖʹࣦഊ… ͜ΕͩͱɺOKʂ NAZEDA!!
ͬͨ͢Μͩͷʹɺ radeonfb͕͑ΔΑ͏ʹͳͬͨͷͷ…
·ͬͨͱ͜Ζ(bus_space_mmapฤ̍) ҒେͳΔιϑτΣΞ mlterm-fb͕͑ͳ͍ʂʂ
·ͬͨͱ͜Ζ(bus_space_mmapฤ̎) arakiken͞Μͱ͓͋·͞Μ͕ ΞυόΠεͩͬͨ͘͞ʂʂ(´;ω;`)řřř
·ͬͨͱ͜Ζ(bus_space_mmapฤ̏) radeonfbͷதͰϑϨʔϜόοϑΝͷΞυϨεʹ ॻ͖ࠐΈ͢ΔͱԠ͋ͬͨɻ Ϣʔβʔϥϯυ͔Βͩͱɺ ը໘ʹશ͘Ԡ͕ͳ͍
·ͬͨͱ͜Ζ(bus_space_mmapฤ̐) ղܾʂʂ
·ͬͨͱ͜Ζ(bus_space_mmapฤ̑) P-01 AlphaͰXΛಈ͔͢ਓ ͍ͳ͍ʁ
ͦͯ͠mlterm-fb͕ಈ͖… P-01
Xͷ͜ͱͰࠞཚ͢Δ… oshimaya͞ΜͷΘ͔Γ͍͢ ղઆʂʂ
mikutterಈ͍ͨɻɹʂ
ँࣙ • ຊʹଚܟͯ͠·͢ ͍ͭͭ͞Μ • ΞυόΠε͍͚ͨͩͯɺϝνϟϝνϟخ͍͠Ͱ͢ ɹɹarakiken͞Μɺ͓͋·͞Μɺoshimaya͞Μ • ਐ͋ͬͨͷཌேʹ;͊΅ͬͯݩؾ͚ͮͯͩ͘͞Δ ebijun͞Μ(ͷີ͔ͳָ͠Έ)
• Compaq Professional workstaion XP1000ΛৡͬͯԼͬͨ͞ impreza_gf8͞Μ • pkgsrcΛڭ͑ͯԼ͞Δ ;͡ΘΒ͞Μɺ͓ͨ͞Μɺ͓ͷͰΒ͞Μ • ΄͔ɺtwitterͰ͓͠ΖπΟʔτΛͯ͠ɺসΘͤͯԼ͞Δ ɹɹϑΥϩʔɺϑΥϩϫʔͷํʑ ࢀߟจݙ ͍ͭͭ͞ΜͷαΠτ BSDϚΨδϯ