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ɹɹΞϧϑΝɾϫʔϧυ ɹɹɹɹɹɹɹPCIͷ૒όε ͑ͱΈɹͳΔ͖͋ @nullnilaki

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ࣗݾ঺հ • ໊ݹ԰ߓͷߓ࿷ӡૹձࣾʹۈ຿ • ݱࡏ͸৘ใγεςϜ෦ʹॴଐ (਺೥લ͸૔ݿͰՙ෺Λ਺͑ͯ·ͨ͠) • ࢓ࣄͰ͸COBOL͔͠৮ͬͨࣄ͕༗Γ·ͤΜ (Cݴޠʁ஌Βͳ͍ࢠͰ͢Ͷ…) • αʔόͷઃఆ΋ϕϯμʔ͞Μ೚ͤͳͷͰ UNIXΛ৮Δͷ͸ίϯύΠϥͷίϚϯυΛୟ͚ͩ͘ (Χʔωϧʁ஌Βͳ͍ࢠͰ͢Ͷ…)

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ౙͷ໊ݹ԰ߓ͸ΩϨΠʂ ͧ͏ΛӡΜͩΓ͠·͢ɻ͍͘͘͢͝͞…

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DEC Alphaͱ͸ʁ • DEC͕ઃܭͨ͠CPU (๻͕෺৺෇͍ͨͱ͖ʹ͸DEC͸طʹ… ʢ´ʀωʀʆʣ řŕ…) • 64bit RISCϓϩηοα • ͪΐ͏͸΍͍ • NetBSDͰ͸Ծ૝ΞυϨε43bit(Ծ૝ΞυϨεۭؒ8TB) ͪͳΈʹ Tru64UNIX͸ ϥΠηϯεΛೖྗ ͠ͳ͍ͱ࢖͑·ͤΜ

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AlphaStation DS15(TITAN chipset) ࠇͯ͘… ΧίΠΠ (;ƅ˲ƅ)=3ŰōŰō

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NetBSDͰಈ͔ͳ͔ͬͨͷͰ OpenBSD͔ΒҠ২(send-pr-48148) Notice!: Do not use radeonfb because Display blackout and panic.

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TITAN chipsetͷಛ௃ • ಠཱͨ͠PCIόε͕ೋͭ͋Δʂʁ

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BUS͝ͱͷBase address͑͞ ઃఆ͢Ε͹େৎ෉ʂ(tsp_configߏ଄ମ͕ҰຊͷόεΛ؅ཧ) P-01

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͸·ͬͨͱ͜Ζ(radeonfbฤͦͷ̍) P-01 จࣈ͕ग़ྗ͞Εͣ radeonfb_putchar_wrapper ͰޡຎԽͯͨ͠Β… radeonfb.c,v 1.66 Ͱमਖ਼ࡁΈʂ

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͸·ͬͨͱ͜Ζ(radeonfbฤͦͷ̎) radeonfb_set_backlightΛ࣮ߦ͢Δͱը໘͕҉స Alpha͸ΩʔϘʔυ͕ͬͯ͞͞ͳ͍ͱɺϑϨʔϜόοϑΝʹग़ྗ͞Εͳ͍… γϦΞϧίϯιʔϧʹແཧ໼ཧग़ྗ ͤ͞Δͱ͍͏ٕΛ֮͑Δʂ radeonfb_set_backlight͕ ͏·͘ಈ͔ͳ͍ͷ͸ Alpha͔ͩΒʁ

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͸·ͬͨͱ͜Ζ(radeonfbฤͦͷ̏)

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͸·ͬͨͱ͜Ζ(cn_tabฤ̍) cn_tab͸ίϯιʔϧͷग़ྗఆٛ ͜ͷ੾Γସ͑ॲཧʹࣦഊ͢Δͱ௜໧… ϑΝʔϜ΢ΣΞͷจࣈग़ྗ͔Β radeonfb_putcharʹ੾Γସ͑

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͸·ͬͨͱ͜Ζ(cn_tabฤ̎) P-01 ϑΝʔϜ΢ΣΞ͕จࣈΛग़ྗ͍ͯ͠Δͱ͜Ζ

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͸·ͬͨͱ͜Ζ(cn_tabฤ̏) • Ͳ͏ͯ͠΋ߏ଄ମͷΞυϨεͷ୅ೖʹࣦഊ… ͜ΕͩͱɺOKʂ NAZEDA!!

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ͬͨ͢΋Μͩͷ຤ʹɺ radeonfb͕࢖͑ΔΑ͏ʹͳͬͨ΋ͷͷ…

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͸·ͬͨͱ͜Ζ(bus_space_mmapฤ̍) ҒେͳΔιϑτ΢ΣΞ mlterm-fb͕࢖͑ͳ͍ʂʂ

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͸·ͬͨͱ͜Ζ(bus_space_mmapฤ̎) arakiken͞Μͱ͓͋΍·͞Μ͕ ΞυόΠεͩͬͨ͘͞ʂʂ(´;ω;`)řřř

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͸·ͬͨͱ͜Ζ(bus_space_mmapฤ̏) radeonfbͷதͰϑϨʔϜόοϑΝͷΞυϨεʹ ௚઀ॻ͖ࠐΈ͢Δͱ൓Ԡ͸͋ͬͨɻ Ϣʔβʔϥϯυ͔Βͩͱɺ ը໘ʹશ͘൓Ԡ͕ͳ͍

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͸·ͬͨͱ͜Ζ(bus_space_mmapฤ̐) ղܾʂʂ

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͸·ͬͨͱ͜Ζ(bus_space_mmapฤ̑) P-01 AlphaͰXΛಈ͔͢ਓ͸ ͍ͳ͍ʁ

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ͦͯ͠mlterm-fb͕ಈ͖… P-01

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Xͷ͜ͱͰࠞཚ͢Δ΋… oshimaya͞Μͷ௒Θ͔Γ΍͍͢ ղઆʂʂ

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mikutterಈ͍ͨɻɹ׬ʂ

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ँࣙ • ຊ౰ʹଚܟͯ͠·͢ ͍ͭͭ͞Μ • ΞυόΠε͍͚ͨͩͯɺ๻͸ϝνϟϝνϟخ͍͠Ͱ͢ ɹɹarakiken͞Μɺ͓͋΍·͞Μɺoshimaya͞Μ • ਐ௙͋ͬͨ೔ͷཌேʹ;͊΅ͬͯݩؾ͚ͮͯͩ͘͞Δ ebijun͞Μ(๻ͷີ͔ͳָ͠Έ) • Compaq Professional workstaion XP1000ΛৡͬͯԼͬͨ͞ impreza_gf8͞Μ • pkgsrcΛڭ͑ͯԼ͞Δ ;͡ΘΒ͞Μɺ͓͹ͨ͞Μɺ͓ͷͰΒ͞Μ • ΄͔ɺtwitterͰ͓΋͠ΖπΟʔτΛͯ͠ɺসΘͤͯԼ͞Δ ɹɹϑΥϩʔɺϑΥϩϫʔͷํʑ ࢀߟจݙ ͍ͭͭ͞ΜͷαΠτ BSDϚΨδϯ