ラズピッピ・ファイブ / 20231024-rpi-jam-tokyo

by Akira Ouchi

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ϥζϐοϐɾϑΝΠϒ ͖͋ͬ͌ +BQBOFTF3BTQCFSSZ1J6TFST(SPVQ 3BTQCFSSZ+".

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ࣗݾ঺հ • ͖͋ͬ͌ Ͱ͢ – .BTUPEPONBHQJDDBLLJF • ͠ΎΈͷ͔ͭͲ͏ – +BQBOFTF3BTQCFSSZ1J6TFST(SPVQ • ͜͏͍͏΍ͭͱ͔ • 3BTQJKQͱ͔ • ؾ͕޲͍ͨΒ(6*ΞϓϦͷ຋༁ͱ͔

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ࠓ೔ͷ಺༰ • 3BTQCFSSZ1JΛ࣮ࡍʹಈ͔ͯ͠ Θ͔ͬͨ͜ͱΛશྗͰ͓఻͑͢Δ • ࠓճ΋ྑ͍ͱ͜ΖϠόͦ͏ͳͱ͜Ζ ੝Γͩ͘͞Μʢʁʁʁʣ • ग़ՙ͸͖ͷ͏ແࣄ։࢝ͨ͠Β͍͠ • IUUQTXXXSBTQCFSSZQJDPNOFXT SBTQCFSSZQJBWBJMBCMFOPX

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9月のARイベントレポ

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αϚϦ • ߦ͖ͷඈߦػܽߤɺ୅ସͰϑΟϯϥϯυ Λܦ༝ • Πϕϯτ։࢝෼͘Β͍஗ΕͰ౸ண • Πϕϯτத͸جຊ/%"·ΈΕͳͷͰུ • ެࣜετΞͰ$.ήοτ • ࢒Γ͸ϩϯυϯͰͻͨ͢Β؍ޫ – γΣϑΟʔϧυʹߦ͘༧ఆ͕Ωϟϯηϧʹ ͳͬͯ͠·ͬͨͨΊ

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݄ͷ"3Πϕϯτͷࢥ͍ग़ • &MZͷڭձͰ൩࢏ձதɺ 1PLFNPO(PΛ΍Γʹ ڭձ಺Λ;Β͍ͭͯͨ Β-J[ʹݺͼࢭΊΒΕͯ ʮεϚϗͷి೾͕ೖΒ ͳͯ͘ϝʔϧݟΕͳ͍ ͷΑɺͳʹɺ͖͋ͬ͌ 1PLFNPO΍ͬͯΔͷʁ ςβϦϯάͯ͠ʂʯͬ ͯݴΘΕͨ͜ͱ

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本題: Raspberry Pi 5 試験環境について

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ࢼݧํ๏ • εΠοναΠΤϯε͞Μ͔Βआ༻ͷి೾҉ശ Λ࢖༻ • ʮٕదະऔಘػثΛ༻͍࣮ͨݧ౳ͷ ಛྫ੍౓ʯ͸ະ࢖༻ – ૹ৴ిྗN8ҎԼ͔Ͳ͏͔ͷ֬ೝ͕ Ͱ͖ͳ͔ͬͨ – Ϣʔβʔձ͔Β-UEͷ୲౰ʹ૬ஊ͔͠Β ʮͪΌΜͱٕదऔΔ͔Β଴ͬͯͯͶὑʯͱ ་͞Εͨ • ˞ࠓޙಛྫਃ੥͢Δͭ΋ΓͰ1Jͷ༧໿͍ͯ͠ΔਓΛ ࢭΊΑ͏ͱ͢Δ΋ͷͰ͸ͳ͍Ͱ͢

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ͪͳΈʹ • '$$͸͡Ίɺೝূؔ࿈ͷࢿྉ͸ ʙʹ͔͚֤ͯॴͰެ։ࡁΈ • IUUQTQJQSBTQCFSSZQJDPN DBUFHPSJFTBQQSPWBMT

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ࢼݧ؀ڥ コンセントへ（ワットモニター経由） USB2.0ポートx2 シリアル通信（ねんのため） Pi 4 で作った雑L2ブリッジ ※ 青: USB 緑: Ethernet 赤: 電源黄色: UART シールドボックス

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インターフェイスを舐め回す

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$16 • $PSFT$PSUFY"()[ • ೥ͷ"3.ίΞɻ೥ͷ1$ฒ

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(16 • 7JEFP$PSF 7** • %VBM,QXJUI)%3ͱ͔ύϫϑϧ

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3". • -1%%39 ࠷ॳ͸ (#(#छ • νοϓӈଆʹ༰ྔΛࣔ͢νοϓ͕ͭ͘

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31νοϓ • *0ؔ࿈Λ࿫͏ࣗࣾνοϓ • ৄࡉ͸ޙड़

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'"/ίωΫλʢॳʣ • ΦϑΟγϟϧͷྫྷ٫੡඼ʹ઀ଓͯ͠࢖༻

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64# • 64#͸֤ϙʔτ(CQTʹରԠ • ϙʔτ͋ͨΓͷੑೳ΋޲্

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&UIFSOFU1P&ϐϯ • ഑ஔ͕ઌ૆ฦΓ • 1P&ϐϯ͸ॳͷҠಈɻରԠϘʔυ͸ޙ೔ൃ ച

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$4*%4*྆༻ίωΫλY • ΧϝϥͱσΟεϓϨΠ͕ڞ༻ʹ • ෺ཧܗঢ়͸;FSPͱಉ౳ɻέʔϒϧ͸ผ్ ൃച

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ಠཱ6"35ϙʔτʢॳʣ • %FCVH1SPCFͰ઀ଓՄೳͳϙʔτ • 04ىಈલͷ਍அ͔ΒऔಘՄೳ

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1.*$35$όοςϦʔ ίωΫλʢॳʣ • %JBMPHࣾͱͷڞಉ։ൃ1.*$ɻ35$͕ॳ಺ ଂɻެ͔ࣜΒి஑͕ൃച༧ఆɻ

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ిݯϘλϯʢॳʣ • ిݯϘλϯ͕଴๬ͷ࣮૷ɻόοςϦʔ ίωΫλʔͷԼʹεϧʔϗʔϧ༗

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1$*&YQSFTTYʢॳʣ • NNϐονϐϯͷ'1$ͰҾ͖ग़ͯ͠ ࢖༻ɻࠓޙ.)"5͕ൃച༧ఆ

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• ଎౓͕ഒʢ.#Tˠ.#Tʣʹ • .JDSP4%ϒʔτͰ΋͔ͬ͠Γߴ଎ʹ .JDSP4% 4%3

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• (1*0ͱ64#-"/ͷ଍͕ඈͼग़͞ͳ͘ ͳͬͨɻ Ϧϑϩʔํ๏ͷมߋ

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• (/%઀ଓͷ࢛֯ͷ෦඼͕৽ͨͳ଍ͱͳΓ .JDSP4%ͱࡾ఺Ͱཱࣗ͢Δ ଍

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ج൘ͷϑνͷ͘͞͞Ε͕ ͳ͘ͳͬͨ • ͜Ε·Ͱͷ3BTQCFSSZ1J͸ج൘ͷϑν͕ ͘͞͞Ε͍ͯͯɺࢦʹࢗ͞Δͱ௧͍΍ͭ ͩͬͨ – ͜Εɺࢴ΍͢Γ͕গ͠࡟Δͱྑ͘ͳΓ·͢ • 1J͸ϑν͕͖Ε͍ʹॲཧ͞ΕΔΑ͏ʹ ͳΓɺࢦͰ৮ͬͯ΋҆શʹͳͬͨ • ݸਓతʹ݁ߏؾʹೖͬͯΔϙΠϯτ

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Raspberry Pi 5のスペックもうちょい深掘り

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ྺ୅ͷ3BTQCFSSZ1Jͱ "3.ͷϦϦʔε೥ൺֱ 31JϦϦʔε೥ "3.$PSF "3.$PSF ϦϦʔε೥ ೥ͷࠩ 3BTQCFSSZ1J "3.+;' 3BTQCFSSZ1J $PSUFY" 3BTQCFSSZ1J $PSUFY" 3BTQCFSSZ1J $PSUFY" 3BTQCFSSZ1J $PSUFY"

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$16͸ߴ଎Խ͕ͨ͠ɺ ΍Γ͗͢ͱ͍͏͜ͱ͸ͳ͍ • $PSUFY" – ೥ൃදͷ"3.ͷ$16 – ೥લ • 31J͕ಛผഎ৳ͼͨ͠ײ͸ͳ͍ • ࠓ೔ίετతʹదͨ͠ͷ͕͜Εͱਪଌ • εϚϗࢢ৔֦େͱ͔ͰਐԽͨ͠"3.ͷ ੑೳ޲্͕͍͢͝ͱ͍͏͔Μ͡

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΋͔ͯ͠͠4BOEZ#SJEHF ͓͡͞Μͷ4#$൛ʜʁ • ʮͦͦ͜͜ੑೳͰ҆Ձͳͷ͕ྑ͍ͷʹʯ – ͦͦͬͯ͜͜ͳΜͩΑ – #΋ "΋ ;FSP8΋ 1JDP΋͋Δ͔Β ͖͢ͳੑೳͷ΋ͷΛબ΂͹ྑ͍ͷͰ͸ • ʮສ௒͑ͷϥζύΠʹັྗͳ͠ʯ – Ձ֨͸ԁ҆ͷ͍ͤͳͷͰͲ͏ʹ΋ͳΒΜ – υϧԁͩͬͨΒԁͪΐ͍Ͱ (#3".͕ങ͔͑ͯͨ΋͠Ε·ͤΜͶʙ

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$16ɺ҉߸Խ΋͍͢͝κ • ී௨ͷੑೳ͸ʙഒ͘Β͍ • 1J͸ॳΊͯ"&4ͱ͔ͷ ҉߸Խػೳ͕$16ʹ౥ࡌ • 1JൺֱͰഒͱ͔ͰΔɺ΍͹͍

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31ͱ͔ݴ͏͛͢ʔ΍ͭ • 1Jͷα΢εϒϦοδతͳνοϓ • 4P$͔Β1$*FYͰ઀ଓ • (1*0ɾ64#Yɾ(C&ɾ.*1*ɾ ΞφϩάϏσΦΛఏڙ • ೥͔Β։ൃ – ສυϧ౤͡ΒΕͨͱ͔ݴͬͯΔ • ୯඼ͰചͬͨΒചΕͦ͏ʙͱࢥ͏͚Ͳɺ ͦΜͳ೔͸͕͢͞ʹ͜ͳͦ͞͏

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Ձ֨ͱੑೳͷόϥϯε • Ձ֨ͱੑೳͷόϥϯε͸1JΑΓ΋ྑ͍ – ੑೳʙഒ͚ͩͲՁ֨͸ഒʹͳͬͯͳ͍ – υϧ্͔͕ͬͯ͠ͳ͍ • ೔ຊԁʹ௚ͯ͠Ϧηʔϥʔͷརӹͱ͔ ߟ͑ͨΒ͜ͷ͘Β͍ʁ – (#3". ԁʁ – (#3". ԁ – (#3". ͱԾఆ ԁʁ • (#3".͕ग़Ε͹4#͓͡͞Μ΋χοίϦ

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よくあるコメント

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ൃ೤͢ΔΜͰ͠ΐ • ͦΕ͸ͦ͏ • ࡶͳώʔτγϯΫ͚ͩͩͱΞΠυϧ࣌ ౓͘Β͍ʢശͷதͰແ෩ͳ఺ʹཹҙʣ – ϚΠΫϥ+BWB൛αʔόʔΛಈ͔ͨ͠Βʙ ౓ͩͱ΋ࣗ෼Ͱॻ͍ͯͯΔͷͰɺؾԹมಈ ΋·ͨཹҙ • ΋ͬͱڧྗʹγό͚͹ ZFTͱ͔ εϩοτ Ϧϯά͕࢝·Δ౓ʹ౸ୡͰ͖Δ

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ެࣜͷྫྷ٫Φϓγϣϯ • ެࣜέʔε͸தʹϑΝϯ͕ඪ४ఴ෇ • ެࣜͷ"DUJWF$PPMFS͸ώʔτγϯΫͱ ϑΝϯͰߏ੒ – ଟগͳΜ͔΍ͬͯͯ΋ʙ౓୆ʹ Ωʔϓ͞ΕΔ – ෛՙ͕ແ͍ͱ͖͸ࢭ·͍ͬͯΔ͸ͣ • ެࣜᐌ͘ඞਢͰ͸ͳ͍Β͍͚͠Ͳɺ ৗ࣌Քಇͱ͔ෛՙ͔͚ΔͳΒ͋Ε͹҆৺

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ެࣜέʔε • υϧ • ϑΝϯඪ४ఴ෇ • )"5ࡌͤͳ͕Β ࢖͑ΔΑ͏ʹ • ͦ͜ʹ͕݀։͍ͨͷ ͰελοΩϯά΋ Ͱ͖ΔΑ͏ʹ • ଟ෼͓͢͢Ί – ࣮ࡍ࢖ͬͯͳ͍ͷͰ ࣗ৴͸ͳ͠

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"DUJWF$PPMFS • υϧ • 1JNPSPOJͩͱ (#1ʢ˞੫ࠐʣ – 1J#PXͱ૬ੑ˕

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ѲΓͳ͕Β࢖͏΍ͭ͸͓ΒΜ • ຖϞσϧ͝ͱʹʮ৮Εͳ͘ͳΔ΄Ͳ೤͘ ͳͬͨʂʯͱݴΘΕΔ͚Ͳɺ4P$ʹࢦΛ ৐ͤͳ͕Β࢖ͬͨΓѲΓͳ͕Β࢖͏ਓؒ ͳΜ͔͍ͳ͍ – ࣗ࡞1$ͰͦΜͳ࿩ฉ͔ΜͰ͠ΐ • ϑΝϯ౥ࡌͷਪ঑౓্͕͕ͬͯΔͷ͸ ͪΐͬͱ೰·͍͚͠ͲɺώʔτγϯΫ Ͱ΋ଟ෼·ͩઓ͑ΔͷͰ͸

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ిؾ৯͏ΜͰ͠ΐ • ࠷খ7" – 64#ϙʔτͷ߹ܭ༰ྔ͕N"ʹ੍ݶ – 64#ϒʔτ͸ෆՄ • ىಈ࣌ʹిݯϘλϯճԡ͔͠ɺDPOGJHUYUʹ Φϓγϣϯ௥هͰɺແࢹ͸Մೳ • ਪ঑7" – 1PXFS%FMJWFSZͷΧελϜ1%0ͱͯ͠ ిݯʙ1JͰωΰγΤʔγϣϯ͕ඞཁ – 64#ϙʔτͷ߹ܭ༰ྔ͕N"ʹมΘΔ

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7"Ͱ΋ྑ͍࣌ • 64#͸ಛʹ࢖Θͳ͍ • 64#ϒʔτ΋͠ͳ͍ • (1*0΋ిؾΛ৯͏΋ͷ͸ಛʹܨ͕ͳ͍

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7"͕ඞཁͳ࣌ • 64#ϒʔτ͢Δ࣌ • 64#ͷ44%ͱ͔ͭͳ͍͗ͨ࣌ – ίϨ΋΋͔ͨ͠͠Βηϧϑύϫʔϋϒͱ͔ ט·ͨ͠Β7"Ͱ଍ΓΔ͔΋ʁ • (1*0ʹσΟεϓϨΠ৐ͤΔͱ͔ ΨοπϦ࢖͏࣌

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ެࣜిݯͲ͏ͳΔ • ిݯΞμϓλʔʹ΋ 14&ͱ͍͏ೝূ͕͋Δ • ࠃ಺ͷاۀ͕औಘ͢Δ ඞཁ͕͋Δ – Մೳੑ͕ߴ͍ͷ͸ ࣾϦηʔϥʔͷ ͲͪΒ͔ • ٕదΑΓ΋ઌ͕ಡΊͳ ͍ͷͰɺଟ෼Ұ൪΍͖ ΋͖͢Δ͜ͱʹͳΔ

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ͦͷลͷ64#1%ిݯ͸ʁ • ͦͷลͷ1%ిݯ͸ɺ8ͱ͔8ͱ͔ ͷిݯͩͬͨͱͯ͠΋ɺػثʹରͯ͠ ʮ7͸"ΛڅిՄೳʯͱ஻Δ΍ͭ͸ جຊతʹ͍ͳ͍ • ੈؒҰൠʹ1%ͷ7͸"ͳͷͰɺ 1Jʹ΋7"͔͠ڙڅ͞Εͳ͍

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ͳͥ͜Μͳ͜ͱʹ • Α͍͘ΘΕΔͷ͕ʮ1%ͷ7"͡Όμϝ ͩͬͨͷ͔ʁʯ • ౴͑͸͜ͷهࣄͷಈըʹ͋Δ – IUUQTXXXSBTQCFSSZQJDPNOFXTKBNF TBEBNTBOEFCFOVQUPOPOEFTJHOJOH SBTQCFSSZQJ – ʙʢςΩετॻ͖ى͔͜͠Βʣ

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Ҿ༻ +BNFT&YBDUMZ ZFBI"OEPUIFSUIJOHTQMVHHFEJO)"5T 1$*&YQSFTT UIJOHTMJLFUIBU'BO4PXFXBOUFENPSFQPXFSUP UIFCPBSE/PXUIFQSPCMFNJT BOEXFTPSUPGMFGUUIJTPQFO GPSBMJUUMFXIJMF XIJDIJTLJOEPGPOFPGUIFSFBTPOT1%FOEFE VQJOUIFSFBOZXBZ JTUIBUZPVDPVMEEPUIBUCZSFRVFTUJOH UIF1%TVQQMZHJWFZPV TBZ OJOFWPMUTBUUISFFBNQT XIJDI JTZPVLOPX XBUUT UIBU`TUIFTUBOEBSE#VUUIFOZPV`WF HPUUPDPOWFSUUIBUPOUIFCPBSEGSPNOJOFWPMUTEPXOUPGJWF WPMUTBOEBMMUIFPUIFSSBJMTʢ1%͸7"ͱ͍͏ඪ४తͳ8ͷ Ϟʔυ͕͋Δ͕ɺ7͔Β7ʹɺͦͯ͠ଞͷϨʔϧʢ7ͱ͔ʁʣʹ ม׵͢Δඞཁ͕͋ͬͨʣ &CFO "OEUIBU`TDPTUʢͦΕ͸ίετ΍ΜͶʣ

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Ҿ༻ͷଓ͖Λཁ໿ • ిѹม׵͸ޮ཰͕མͪɺΤωϧΪʔ͕ ແବʹͳΔ • 64#$ίωΫλࣗମ͸"αϙʔτ͋Δ – 1%͸7"΋͋Δ͠Ͷ • ௿ిѹͰେిྲྀΛྲྀ͢ͷ͸೉͍͚͠Ͳ Ͱ͖ͳ͘ͳ͍͔Β΍ͬͨ • ͜ΕͰϘʔυ͸͍͡ΒͣʹࡁΈɺ ిྗ΋ແବʹͤͣʹࡁΉ

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Ͳ͏͢Ε͹ • 1J޲͚ͷ1P&)"5͕ޙ͔Βग़ΔͷͰɺ ͜ΕΛ࢖͏ͷ͕ϥΫઆʁ • 1P&ͷΠϯδΣΫλʔ͚ͩ༻ҙ͢Ε͹ ʜʜ – ͜͜Ͱ"NB[POͷ҆෺Λങͬͯ14&͕ ͳ͔ͬͨΒຊ຤స౗ͳͷͰ஫ҙ • ·ͣ͸7"ͷిݯͰ΍ͬͯΈͯ ෆ଍͔ͯ͠Βߟ͑ΔͷͰ΋ྑͦ͞͏

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ݸਓ࢖༻Ͱ༌ೖ͸0,Ͱ͸ • ྫ͑͹1JNPSPOJ͔Βങͬͯࣗ෼Ͱ࢖͏ ৔߹͸0,ͱ͍͏આ͕άάΕ͹ग़Δ – ܦ࢈ল͕౴͑ͯΔͱ͔ݴ͏هࣄ΋ग़Δ͚Ͳɺ ୲౰ʹΑͬͯݟղ͕ϒϨΔ͜ͱ΋͋ΔͷͰɺ ͋Μ·Γա৴͠ͳ͍΄͏͕ྑ͍ • ༑ୡͱ͔ʹ༌ೖΛख఻ͬͯ΋Β͏ͱ༑ୡ ͕ۀऀͱ͍͏ѻ͍ʹͳΔͬΆ͍ͷͰ஫ҙ • ࢖༻΋ࣗݾ੹೚Λ൐͏ͷͰ஫ҙ

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OSを動かしてパフォーマンスとかを見る

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31J04#PPLXPSN • 1J͸3BTQCFSSZ1J04#PPLXPSNҎ߱ Λαϙʔτ – #VMMTFZFҎલ͸ಈ͔ͳ͍ͷͰ஫ҙ • ςετ͸#PPLXPSNͷςετ΋݉ͶΔ ঢ়ଶͩͬͨ – όάใࠂͨ͠Β1JͬͯΑΓ΋#PPLXPSNͷ όάͩͬͨΈ͍ͨͳ͜ͱ΋ʜʜ

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$16 • IUUQTXXXSBTQJKQSBTQCF SSZQJCFODINBSLSFWJFX • 6OJY#FODIͰ͸1JΑΓഒ͍ۙείΞ • "&4҉߸Խ͕$16Ͱαϙʔτ͞ΕͨͷͰ 0QFO44-ͷύϑΥʔϚϯε͕େ෯ʹ޲্ type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes 16384 bytes (Pi4) aes- 256-cbc 33279.44k 35311.38k 36007.17k 36201.13k 36255.06k 36252.33k (Pi5) aes- 256-cbc 622174.58k 1062045.76k 1278014.63k 1339694.42k 1365753.86k 1368260.61k Pi5/Pi4 18.7 30.08 35.49 37.01 37.67 37.74

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MTDQV $ lscpu Architecture: aarch64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: ARM Model name: Cortex-A76 Model: 1 Thread(s) per core: 1 Core(s) per cluster: 4 Socket(s): - Cluster(s): 1 Stepping: r4p1 CPU(s) scaling MHz: 42% CPU max MHz: 2400.0000 CPU min MHz: 1000.0000 BogoMIPS: 108.00 Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm lrcpc dcpop asimddp

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MTDQV Vulnerabilities: Gather data sampling: Not affected Itlb multihit: Not affected L1tf: Not affected Mds: Not affected Meltdown: Not affected Mmio stale data: Not affected Retbleed: Not affected Spec rstack overflow: Not affected Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Spectre v1: Mitigation; __user pointer sanitization Spectre v2: Mitigation; CSV2, BHB Srbds: Not affected Tsx async abort: Not affected

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.JDSP4%ΧʔυಡΈॻ͖ੑೳ • 4%3ʹରԠ – .JDSP4%Χʔυͷن֨ͷҰछ – .#TʹରԠ • 1J͸ଟ෼4%3ʢ.#TʣͳͷͰഒ • IEQBSN – 1J͸.#Tɺ1J͸.#T • EEͰθϩຒΊΠϝʔδ࡞੒ – 1J͸.#Tɺ1J͸.#T – 8JOEPXTػͰࢼͨ͠Β.#TͩͬͨͷͰ ͪΌΜͱੑೳͰͯΔ

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64#΋ੑೳΞοϓ • 1J͸1$*FYͷ7-νοϓʹͿΒ Լ͕͍ͬͯΔͨΊɺϙʔτͰ.#T ͘Β͍ΛଳҬڞ༗ • 1J͸1$*FYͷ31νοϓ͔Β 64#64#ίϯτϩʔϥʔ͕ ͭग़͍ͯΔͨΊɺ֤ϙʔτ(CQT

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64#44%Ͱϕϯν • ಉҰ44%Λ1Jͱ1JͰଌఆ • IEQBSN – 1J͸.#Tɺ1J͸.#T • EEͰθϩຒΊΠϝʔδ࡞੒ – 1J͸.#Tɺ1J͸.#T • ര଎ʙὑ

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୆ಉ࣌΋͸΍ʙ͍ὑ • ಉ࣌ʹIEQBSN rU – 44%ࣗମ͸ผͷܕ൪ • TEB.#T • TEC.#T • ·ɺϚδ͔ʜʜ31͓ͦΔ΂͠

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6"35ϙʔτ͸ศར • ىಈલͷϑΝʔϜ΢ΣΞ෦෼͔ΒऔಘͰ ͖Δ – ىಈ͠ͳ͍ͱ͖ͷ੾Γ෼͚ͱ͔ – ిݯͷ৘ใͱ͔ • %FCVH1SPCF͕ඞཁʢ ԁ͘Β͍ʣ • ݸਓతʹ͸ྫྷ٫ΞΫηαϦങ͏ΑΓ͜Ε Λങ͏ͷΛ͓͢͢Ί͍ͨ͠

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௨ి։࢝࣌ͷग़ྗ͸ ͜Μͳײ͡ RPi: BOOTSYS release VERSION:3094eda5 DATE: 2023/09/21 TIME: 17:58:43 BOOTMODE: 0x06 partition 0 build-ts BUILD_TIMESTAMP=1695315523 serial ******** boardrev d04170 stc ******* AON_RESET: 00000003 PM_RSTS 00001000 RP1_BOOT chip ID: 0x20001927 PM_RSTS: 0x00001000 part 00000000 reset_info 00000000 PMIC reset-event 00000000 rtc 00000004 alarm 00000000 enabled 0 uSD voltage 3.3V Initialising SDRAM 'Micron' 32Gb x2 total-size: 64 Gbit 4267 DDR 4267 1 0 64 152 RP1_BOOT chip ID: 0x20001927 RP1_BOOT chip ID: 0x20001927 RP1_BOOT: fw size 25968 PCI2 init PCI2 reset PCIe scan 00001de4:00000001 RP1_CHIP_INFO 20001927

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4%Λݟ͚ͭͯಡΈࠐΜͰ ͍Δͱ͜Ζ Trying partition: 0 type: 32 lba: 8192 'mkfs.fat' ' bootfs ' clusters 261116 (4) rsc 32 fat-sectors 2040 root dir cluster 2 sectors 0 entries 0 FAT32 clusters 261116 [sdcard] autoboot.txt not found Trying partition: 0 type: 32 lba: 8192 'mkfs.fat' ' bootfs ' clusters 261116 (4) rsc 32 fat-sectors 2040 root dir cluster 2 sectors 0 entries 0 FAT32 clusters 261116 Read config.txt bytes 1229 hnd 0xfef7 [sdcard] pieeprom.upd not found usb_max_current_enable default 0 max-current 3000 Read bcm2712-rpi-5-b.dtb bytes 71797 hnd 0xcb56 dt-match: compatible: raspberrypi,5-model-b match: brcm,bcm2712 dt-match: compatible: brcm,bcm2712 match: brcm,bcm2712 PM_RSTS 00001000 Selecting USB low current limit

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Pi 5のその他

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1J͸.PEFM#͔ʁ • ৔ॴʹΑͬͯ͸ ʮ3BTQCFSSZ1J.PEFM#ʯͱ දه͍ͯ͠Δͱ͜Ζ͕͋Δ • ϦϦʔεޙͰ΋தͷਓͷݟղ͸ ϒϨ͍ͯͨ • ޙ͔Β.PEFM#͕࡟ΒΕ͖͍ͯͯΔ – 1J&&130.*NBHFͷߋ৽Ͱ.PEFM#ͷ දه͕࡟ΒΕͨ

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͡Ό͋1J.PEFM"ͷ Մೳੑ͸ͳ͘ͳͬͨͷ͔ • Θ͔ΒΜ • Ͱ΋31ͷ෺ཧ഑ஔతʹ"͸࡞Εͳͦ͞͏ • 31Λলུͨ͠Βͱͯ͠੒Γཱͨͳ͍ͷ Ͱɺ.PEFM"Λ࡞Δͷ͸೉͍͠આʁ – 31ͷ྿Ձ൛Λ࡞Βͳ͍ͱίετతʹ ೉ͦ͠͏ͳؾ͕͢Δʁ

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$.ͱ͔1J͸ • ͦΕΈΜͳݴͬͯͨ • ͚Ͳશ෦ద౰ʹ୙͞Εͯͨ • ग़ͯͷָ͓͠ΈͳͷͰ͸

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まとめ

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·ͱ·ΒΜ·ͱΊ • ਐԽ͗͢͠ʹݟ͑Δ͔΋͠Εͳ͍͚Ͳɺ ܏޲͔Βݟͯਖ਼ৗਐԽͰ͸͋Δ – ਐԽ͠ա͗ʹݟ͑ͨΒ4BOEZ#SJEHF͓͡͞Μ ʹͳ͍ͬͯΔ͔΋ʢࣗռʣ • ٕదͱ͔14&Λ଴ͱ͏ – ઌ૸ͬͯങͬͯಛྫ࢖ͬͯ΋ɺࢼݧޙ͸ ࢖͑Μϋʔυʹ໭Δ͚ͩ – Α΄ͲݩΛऔΕΔΞς͕͋Δͱ͔ɺۀ຿্ Ͳ͏ͯ͠΋ࢼݧ͕ඞཁͱ͔Ͱͳ͍ݶΓ͸ʜʜ

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ݸਓతʹ͸Ͳ͏࢖͏ • ·ͣ͸ීஈͷ࡞ۀ༻ʹ – 1JͰηοτΞοϓͯ͠;FSP8Ͱຊ൪ӡ༻ Έ͍ͨͳ࢖͍ํ – ͜Ε·Ͱͦͷ໾ׂͩͬͨ1JΒ͸ৗઃ༻ͱ͠ ͯɺৗઃͷݹ͍1JΛԡ͠ग़͢ • ձࣾͷ0QFO71/αʔόʔΛ1Jʹ͢Δ – ҉߸Խ͕ڧ͘ͳͬͨͷͰ΍Δ͔͠ʹ͌ – 1P&)"5ࡌͤͯ1P&Ͱ΍Γ͍ͨͶ • αʔόʔϧʔϜͷεΠον͕1P&͍͚ΔͷͰ

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おわり。質問とか、俺はこう使うみたいなのがあればぜひ！