[B! BIOS] rin51ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

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BIOSã«é–¢ã™ã‚‹rin51ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (15)

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ç¬¬441å›žã€€QEMU/KVMã§UEFIãƒ•ã‚¡ãƒ¼ãƒ ã‚¦ã‚§ã‚¢ã‚’ä½¿ã† | gihyo.jp
UEFIï¼ˆUnified Extensible Firmware Interfaceï¼‰ã¯OSã¨ãƒ•ã‚¡ãƒ¼ãƒ ã‚¦ã‚§ã‚¢ã®é–“ã®æ©‹æ¸¡ã—ã‚’è¡Œã†ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ã®ä»•æ§˜ã§ã™ã€‚ä»Šå›žã¯QEMU/KVMã§ã€ã“ã®UEFIã‚’ã‚µãƒãƒ¼ãƒˆã—ãŸãƒ•ã‚¡ãƒ¼ãƒ ã‚¦ã‚§ã‚¢ã‚’ä½¿ç”¨ã™ã‚‹æ–¹æ³•ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ UEFIã¨QEMU/KVMã¨OVMF ã„ã‚ã‚†ã‚‹ã€ŒPC/ATäº’æ›æ©Ÿã€ã¨ã‚‚å‘¼ã°ã‚Œã‚‹Intelç³»CPUã‚’æè¼‰ã—ãŸPCã§ã¯ã€é›»æºæŠ•å…¥å¾Œã‹ã‚‰ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã®åˆæœŸåŒ–ã€ãƒ–ãƒ¼ãƒˆãƒãƒ¼ãƒ€ãƒ¼ã®èµ·å‹•ãªã©ã‚’ã€ŒBIOSã€ã¨å‘¼ã°ã‚Œã‚‹ãƒ•ã‚¡ãƒ¼ãƒ ã‚¦ã‚§ã‚¢ãŒæ‹…ã£ã¦ã„ã¾ã—ãŸ[1]â ã€‚UEFIã¯ã“ã®BIOSã‚’ç½®ãæ›ãˆã‚‹ãŸã‚ã®ä»•æ§˜ã§ã€æ©Ÿèƒ½ã®å¼·åŒ–ã‚„èµ·å‹•ã®é«˜é€ŸåŒ–ã€æ¥ç•Œå›£ä½“ã«ã‚ˆã‚‹æ¨™æº–åŒ–ãªã©ãŒè¡Œã‚ã‚Œã¦ã„ã¾ã™ã€‚ã“ã“æ•°å¹´ã®x86ãƒžã‚·ãƒ³ã§ã‚ã‚Œã°ã»ã¼ã™ã¹ã¦UEFIãƒ•ã‚¡ãƒ¼ãƒ ã‚¦ã‚§ã‚¢ã«ç½®ãæ›ã‚ã£ã¦ã„ã¾ã™ã—ã€ARMãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ ã§ã‚‚ã‚ˆãä½¿ã‚ã‚Œã‚‹U-BootãŒæœ€è¿‘UEFIã‚’ã‚µãƒãƒ¼ãƒˆã™ã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã—ãŸã€‚æœ¬é€£è¼‰ã®èªè€…
rin51 2020/01/28
qemu

KVM

Ubuntu

boot

BIOS

UEFI
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gnu-efiã§UEFIéŠã³ã‚’ã¯ã˜ã‚ã‚ˆã† - Qiita
ã“ã¡ã‚‰ã¯NTTã‚³ãƒŸãƒ¥ãƒ‹ã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚ºã‚¢ãƒ‰ãƒ™ãƒ³ãƒˆã‚«ãƒ¬ãƒ³ãƒ€ãƒ¼9æ—¥ç›®ã®æŠ•ç¨¿ã§ã™ï¼ˆ1æ—¥é…ã‚Œã¦ã™ã¿ã¾ã›ã‚“ï¼‰ã€‚ æ–°å…¥ç¤¾å“¡ã§ã™ã€‚é¢ç™½ãã†ãªã®ã§å‚åŠ ã•ã›ã¦ã„ãŸã ãã¾ã—ãŸã€‚ è¶£å‘³ã¯çµ„ã¿è¾¼ã¿ç³»ã®é–‹ç™ºã§ã™ã€‚å¦ç”Ÿã®æ™‚ã¯GSoC2016ã§Gregã•ã‚“ã«æ•™ã‚ã‚ŠãªãŒã‚‰ãƒžã‚¤ã‚³ãƒ³ã§Linuxå‹•ãã‚ˆã†ã«ã—ãŸã‚Šã€U-Bootã«ãƒ‘ãƒƒãƒæŠ•ã’ãŸã‚Šã—ã¦ã„ã¾ã—ãŸã€‚ https://summerofcode.withgoogle.com/archive/2016/projects/6617849892175872/ https://lists.denx.de/pipermail/u-boot/2016-July/259988.html æœ€è¿‘ã€è¶£å‘³ã§UEFIã‚¢ãƒ—ãƒªã‚’ä½œã£ã¦ã„ãŸã®ã§ã€å¿˜ã‚Œãªã„ã†ã¡ã«UEFIã‚¢ãƒ—ãƒªã®åŸºæœ¬çš„ãªã¨ã“ã‚ã«ã¤ã„ã¦æ›¸ã“ã†ã¨æ€ã„ã¾ã™ã€‚ ãªãŠã€OSã¯Arch Linuxã‚’ä½¿ã£ã¦ã„ã‚‹ã‚‚ã®ã¨ã—ã¾ã™ã€‚ UEFIã¨ã¯ UEFIã¨ã¯ã€ä¸€è¨€
rin51 2019/10/29
UEFI

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BIOS
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UEFIã«ã¤ã„ã¦ã®èª¿ã¹ã¦ã¿ãŸ - Qiita
ã¯ã˜ã‚ã« å‰å›žã®CentOS6ã‹ã‚‰ã®å¤‰æ›´ ãƒ–ãƒ¼ãƒˆãƒãƒ¼ãƒ€Grubã«ã¤ã„ã¦ã§Biosã‹ã‚‰èµ·å‹•ã™ã‚‹Grubã«ã¤ã„ã¦ã„ã‚ã„ã‚èª¿ã¹ãŸéš›ã«ã€UEFIã«ã¤ã„ã¦ã‚‚èª¿ã¹ãŸã®ã§ä»Šå›žã¯UEFIã«ã¤ã„ã¦ã¾ã¨ã‚ã¦ã¿ã¾ã—ãŸã€‚ çµè«– UEFI == BIOS ãƒ–ãƒ¼ãƒˆãƒãƒ¼ãƒ€ã‚’èªã¿è¾¼ã‚€å½¹å‰²ã¯å¤‰ã‚ã‚‰ãªã„ã€‚æ©Ÿèƒ½æ‹¡å¼µã•ã‚Œã¦ã„ã‚‹ UEFIã«å¯¾å¿œã—ã¦ã„ã‚‹ã‚µãƒ¼ãƒã¨ã¯? ãƒžã‚¶ãƒ¼ãƒœãƒ¼ãƒ‰ã®ROMã«UEFIãŒæ ¼ç´ã•ã‚Œã¦ã„ã‚‹ OSãŒUEFIã«å¯¾å¿œã—ã¦ã„ã‚‹ã¨ã¯? GPTå½¢å¼ã®ãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³ãŒä½œæˆã§ãã¦ã€ãã®ãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³ã«UEFIç”¨ã®ãƒ–ãƒ¼ãƒˆãƒãƒ¼ãƒ€ã‚’é…ç½®ã§ãã‚‹ã“ã¨ ãªãœGPTã‚’ä½¿ã†ã®ã‹ MBRã®ãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³ãƒ†ãƒ¼ãƒ–ãƒ«ã¯2TBã¾ã§ã—ã‹æ ¼ç´ã§ããªã„ã®ã§ ã¡ãªã¿ã«2TBä»¥ä¸‹ã§ã‚‚ä½¿ç”¨ã§ãã‚‹ BIOSã¨ã¯ MBRã®ãƒ–ãƒ¼ãƒˆãƒãƒ¼ãƒ€ã‚’ãƒ¡ãƒ¢ãƒªã«èªã¿è¾¼ã‚“ã§å®Ÿè¡Œã™ã‚‹ ä»•æ§˜ä¸Šãƒ¡ãƒ¢ãƒªã‚’1MBã—ã‹æ‰±ãˆãªã„ ã‚µãƒ¼ãƒã«æè¼‰ã•ã‚ŒãŸãƒ‡ãƒã‚¤ã‚¹ã®è¨å®šã¯BIOSã®ç”»é¢ã‹ã‚‰ã§ã¯ãªãã€Ctrl
rin51 2019/04/09
UEFI

MBR

BIOS
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JF: Linux Kernel 2.6 Documentation: ramfs-rootfs-initramfs.txt
Linux Kernel 2.6 Documentation: /usr/src/linux/Documentation/filesystems/ramfs-rootfs-initramfs.txt filesystems/ramfs-rootfs-initramfs.txt ramfs, rootfs, initramfs ã®èª¬æ˜Ž [ãƒ—ãƒ¬ã‚¤ãƒ³ãƒ†ã‚ã‚¹ãƒˆç‰ˆ] åŽŸè‘—ä½œè€…: Rob Landley <rob at landley dot net> ç¿»è¨³è€…: Akira YOSHIYAMA <yosshy at debian dot or dot jp> ãƒãƒ¼ã‚¸ãƒ§ãƒ³: 2.6.18 ç¿»è¨³æ—¥æ™‚: 2007/01/28 ramfs, rootfs and initramfs October 17, 2005 2005å¹´10æœˆ17æ—¥ Rob Landley <rob@landley.net> =====
rin51 2019/04/01
linux

ã‚«ãƒ¼ãƒãƒ«

boot

BIOS

MBR

initramfs

initrd
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LinuxãŒãƒ–ãƒ¼ãƒˆã™ã‚‹ã¾ã§
æ™®æ®µLinuxã‚’ä½¿ã£ã¦ã„ãªãŒã‚‰ã€vmlinuzã‚„initrd.imgã¨ã„ã†ãƒ•ã‚¡ã‚¤ãƒ«ã¯ä½•ãªã®ã‹ã€ ã‚ã‚„ãµã‚„ã«ã—ã‹ç†è§£ã—ã¦ã„ãªã‹ã£ãŸã®ã§ã€ä¸€é€šã‚ŠLinuxãƒžã‚·ãƒ³ã®ãƒ–ãƒ¼ãƒˆã®ä»•çµ„ã¿ã‚’ å‹‰å¼·ã—ã¦ã¿ãŸçµæžœã‚’æ›¸ãç•™ã‚ã¦ãŠãã€‚ãªãŠã€BIOSã¨GRUB Legacyã®ç’°å¢ƒã‚’å‰æã¨ã—ã¦ã„ã‚‹ã€‚ EFIã‚„GRUB2ã‚’ä½¿ã£ãŸç’°å¢ƒã«ã¤ã„ã¦ã¯ã€ä»Šå¾Œã„ãšã‚Œå‹‰å¼·ã—ã¦ã„ããŸã„ã€‚ åŸºæœ¬çš„ã«OSã®èµ·å‹•ã¯ã€å˜ç´”ãƒ»ä½Žæ©Ÿèƒ½ãªãƒ—ãƒã‚°ãƒ©ãƒ ãŒã€ã‚ˆã‚Šè¤‡é›‘ãƒ»é«˜æ©Ÿèƒ½ãªãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ èªã¿è¾¼ã¿èµ·å‹•ã™ã‚‹ã¨ã„ã†å‡¦ç†ã‚’é€£éŽ–çš„ã«è¡Œã†ä»•çµ„ã¿ã«ãªã£ã¦ã„ã‚‹ã€‚ Linuxã§ã¯ã€ä¸‹è¨˜ã®ãƒ—ãƒã‚°ãƒ©ãƒ ãŒé †ã«èµ·å‹•ã—ã¦ã„ã: BIOSãƒ–ãƒ¼ãƒˆãƒãƒ¼ãƒ€ (GRUB)Stage 1Stage 1.5Stage 2Linuxã‚«ãƒ¼ãƒãƒ«Initä»¥ä¸‹ã§ã¯ã€ãã‚Œãžã‚Œã®ãƒ—ãƒã‚°ãƒ©ãƒ ã«ã¤ã„ã¦é †ã«è¦ç´„ã—ã¦è¿°ã¹ã¦ã„ãã€‚ 1. BIOSç¾åœ¨ä¸€èˆ¬çš„ãªx86/x86-64 CPUã¯ã€é›»æºãŒæŠ•å…¥ã•ã‚Œã‚‹ã¨ã€0xff
rin51 2019/04/01
linux

ã‚«ãƒ¼ãƒãƒ«

boot

BIOS

MBR

initramfs

initrd
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U-EFI bootã§èµ·å‹•ã™ã‚‹NetBSD USBãƒ¡ãƒ¢ãƒªã‚’ä½œã£ã¦ã¿ã‚‹
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rin51 2018/11/12
netbsd

boot

MBR

BIOS

USB

EFI

UEFI
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BIOS interrupt call - Wikipedia
This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources:Â "BIOS interrupt call"Â â€“Â newsÂ Â· newspapersÂ Â· booksÂ Â· scholar
rin51 2014/05/14
BIOS

å‰²ã‚Šè¾¼ã¿

INT
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(AT)BIOS - OS-Wiki
OSã‚’ä½œã‚‹ã¨ãã«ã‚ˆãä½¿ã†BIOSãƒ•ã‚¡ãƒ³ã‚¯ã‚·ãƒ§ãƒ³ (ATäº’æ›æ©Ÿ) â€ ã¾ã‚OSã®å®Œæˆåº¦ãŒä¸ŠãŒã£ã¦ãã¦32bitãƒ¢ãƒ¼ãƒ‰ã«ãªã£ãŸã‚‰ã‚‚ã¯ã‚„ä¸è¦ãªã‚‚ã®ãŒå¤§åŠã«ãªã£ã¦ã—ã¾ã†ã¨æ€ã„ã¾ã™ãŒã€ãƒ–ãƒ¼ãƒˆã‚»ã‚¯ã‚¿ã‚„OSä½œã‚Šå§‹ã‚ã®ã¨ãã¯ä½¿ã†ã‹ãªã‚ã¨ã„ã†ã‚‚ã®ã‚’ã€‚ â†‘ INT(0x10); ãƒ“ãƒ‡ã‚ªé–¢ä¿‚ â€ ãƒ“ãƒ‡ã‚ªãƒ¢ãƒ¼ãƒ‰è¨å®š AH = 0x00; AL = ãƒ¢ãƒ¼ãƒ‰ï¼š (ãƒžã‚¤ãƒŠãƒ¼ãªç”»é¢ãƒ¢ãƒ¼ãƒ‰ã¯çœç•¥ã—ã¦ã„ã¾ã™) 0x03ï¼š16è‰²ãƒ†ã‚ã‚¹ãƒˆã€80x25 0x12ï¼šVGAã‚°ãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚¹ã€640x480x4bitã‚«ãƒ©ãƒ¼ã€ç‹¬è‡ªãƒ—ãƒ¬ãƒ¼ãƒ³ã‚¢ã‚¯ã‚»ã‚¹ 0x13ï¼šVGAã‚°ãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚¹ã€320x200x8bitã‚«ãƒ©ãƒ¼ã€ãƒ‘ãƒƒã‚¯ãƒ‰ãƒ”ã‚¯ã‚»ãƒ« 0x6aï¼šæ‹¡å¼µVGAã‚°ãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚¹ã€800x600x4bitã‚«ãƒ©ãƒ¼ã€ç‹¬è‡ªãƒ—ãƒ¬ãƒ¼ãƒ³ã‚¢ã‚¯ã‚»ã‚¹ï¼ˆãƒ“ãƒ‡ã‚ªã‚«ãƒ¼ãƒ‰ã«ã‚ˆã£ã¦ã¯ã‚µãƒãƒ¼ãƒˆã•ã‚Œãªã„ï¼‰ æˆ»ã‚Šå€¤ï¼šãªã— ã‚«ãƒ¼ã‚½ãƒ«å½¢çŠ¶è¨å®š AH = 0x01; CH = é–‹å§‹ãƒ©ã‚¤ãƒ³; CL
rin51 2014/05/14
BIOS

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softwaretechnique.jp
This domain may be for sale!
rin51 2014/05/14
BIOS

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INT
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è¤‡æ•°ã®OS | OSã®èµ·å‹•Ã—ãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³
BIOS Basic Input/Output Systemã€‚ãƒžã‚¶ãƒ¼ãƒœãƒ¼ãƒ‰ä¸Šã®ä¸æ®ç™ºãƒ¡ãƒ¢ãƒªã«è¨˜éŒ²ã•ã‚Œã¦ã„ã‚‹ã€‚ æœ€ã‚‚åŸºæœ¬çš„ãªå…¥å‡ºåŠ›ï¼‹OSã®èµ·å‹•ï¼ˆãƒ–ãƒ¼ãƒˆï¼‰ã®ãŸã‚ã®å°ã•ãªãƒ—ãƒã‚°ãƒ©ãƒ ã€‚ é›»æºæŠ•å…¥ã¨å…±ã«ã€ãƒ¡ãƒ¢ãƒªã«èªã¿è¾¼ã¾ã‚Œï¼ˆãƒãƒ¼ãƒ‰ï¼‰ã€å®Ÿè¡Œã•ã‚Œã‚‹ã€‚ ã¾ãšæŽ¥ç¶šã•ã‚Œã¦ã„ã‚‹åŸºæœ¬çš„ãªãƒ‡ãƒã‚¤ã‚¹ã‚’ç‚¹æ¤œã—ï¼ˆPOST: Power On Self-Testï¼‰ã€åˆæœŸåŒ–ã™ã‚‹ã€‚ æ¬¡ã«ãƒ–ãƒ¼ãƒˆå¯èƒ½ãªãƒ‡ãƒã‚¤ã‚¹ï¼ˆHDDã€FDã€å…‰å¦ãƒ‰ãƒ©ã‚¤ãƒ–ç‰ï¼‰ã‚’æŽ¢ã—ã€è¨å®šã«å¾“ã£ã¦ã€ãã®å…ˆé ã‚»ã‚¯ã‚¿ã‚’ãƒãƒ¼ãƒ‰ãƒ»å®Ÿè¡Œã™ã‚‹ã€‚
rin51 2013/12/25
BIOS

MBR
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how netbsd boots on x86
rin51 2013/12/06
MBR! MBR!

MBR

NetBSD

BIOS
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è‡ªå‹•èµ·å‹•ã®ãŸã‚ã®BIOSè¨å®šæ–¹æ³•
Power â†’ Power Up Control â†’Date Of Month Alarmã¨ Time(hh:mm:ss)Alarm
rin51 2012/03/22
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