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
180
1
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
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
Other Decks in Technology
See All in Technology
GitHub Copilot 最新アップデート – 「一歩先」の実践活用術
moulongzhang
5
1.5k
マルチアカウント環境での コーディングエージェントを使った障害調査が大変なので AIエージェントにReadOnly権限を付与してみた / ReadOnly AI Agents for Multi-Account AWS Incident Response
yamaguchitk333
2
110
Claude Codeをどのように キャッチアップしているか
oikon48
13
8.5k
OTel × Datadog で 「AI活用」を計測し、改善に繋げる
shihochan
1
390
あなたの知らないPDFのアクセシビリティ
lycorptech_jp
PRO
0
220
2026 TECHFRESH 畢業分享會 - AI-Native 重塑軟體工程與虛擬講師
line_developers_tw
PRO
0
1.3k
2026TECHFRESH畢業分享會 - Lightning Talk - E起 See See : 電商推薦讀心術? 數據說了算
line_developers_tw
PRO
0
1.3k
スタートアップにAmazon EKSは早すぎる? マルチプロダクト戦略を加速する Platform Engineeringの実践 / Is Amazon EKS Too Soon for Startups? Practical Platform Engineering to Accelerate a Multi-Product Strategy
elmodev09
0
300
GitHub Copilot app最速の発信の裏側
tomokusaba
1
170
When Platform Engineering Meets GenAI
sucitw
0
120
Oracle AI Database@Azure:サービス概要のご紹介
oracle4engineer
PRO
6
2k
2026TECHFRESH畢業分享會 - AI 時代的人生存檔點
line_developers_tw
PRO
0
1.3k
Featured
See All Featured
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
12
1.2k
Why Mistakes Are the Best Teachers: Turning Failure into a Pathway for Growth
auna
0
160
How to Get Subject Matter Experts Bought In and Actively Contributing to SEO & PR Initiatives.
livdayseo
0
140
Reality Check: Gamification 10 Years Later
codingconduct
0
2.2k
How to build a perfect <img>
jonoalderson
1
5.7k
Bash Introduction
62gerente
615
220k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
21
1.5k
Done Done
chrislema
186
16k
HTML-Aware ERB: The Path to Reactive Rendering @ RubyCon 2026, Rimini, Italy
marcoroth
1
200
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
12
1.7k
How to Grow Your eCommerce with AI & Automation
katarinadahlin
PRO
1
210
What’s in a name? Adding method to the madness
productmarketing
PRO
24
4.1k
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