\uc0bc\uad6d\uc9c0\ub3c4 \ub2e4 \ub05d\ub0ac\uace0, \ub0a8\ub294 \uc2dc\uac04\uc5d0 \ub9ac\ub205\uc2a4 \ucee4\ub110\uc744 \ubc30\uc6cc \ubcf4\uae30\ub85c \ud588\ub2e4. \uc2dc\uac04 \ub0a8\uc744 \ub550 \uc774\uac8c \ud6a8\uacfc\uac00 \ud655\uc2e4\ud558\uc9c0. \uc804\uc5d0 \uc0c0\ub358 “\ub514\ubc84\uae45\uc744 \ud1b5\ud574 \ubc30\uc6b0\ub294 \ub9ac\ub205\uc2a4 \ucee4\ub110\uc758 \uad6c\uc870\uc640 \uc6d0\ub9ac”\ub97c \ub530\ub77c \ud574\ubcf4\uae30\ub85c \ud588\ub2e4. \ucee4\ub110\uc774 \ub9ac\ub205\uc2a4 \uc2ec\uc7a5\uacfc \uac19\uc544 \uaf2d \ubc30\uc6b8 \ud544\uc694\ub294 \uc5c6\uc9c0\ub9cc, \uc54c\uba74 \ud3b8\ud558\uac8c \uc0b4 \uc218 \uc788\ub2e4. \ub9ac\ub205\uc2a4 \uc5ed\uc2dc \uacfc\uac70 \uc11c\ubc84\ub97c \ubc97\uc5b4\ub098 arm\uc5d0 \ub85c\ub529\ub418\uc5b4 \uc5ec\ub7ec \uc784\ubca0\ub514\ub4dc \ub9ac\ub205\uc2a4\ub85c \uc0ac\uc6a9\ub418\uace0 \uc788\ub2e4. \ub77c\uc988\ubca0\ub9ac \ud30c\uc774 \uc5ed\uc2dc \ubbf8\uce5c \uac00\uaca9\uc73c\ub85c \uc9d1\uc5d0\uc11c \ub204\uad6c\ub098 \uc27d\uac8c \uad6c\ud560 \uc218 \uc788\ub2e4. \uc9c0\uae08 IoT\uac00 \ub728\uace0 \uc788\ub294\ub370 \uc548 \ubc30\uc6b8 \uc774\uc720\uac00 \uc5c6\ub2e4.<\/p>\n\n\n\n
\ucc45\uc5d0 \ub098\uc628 \ucee4\ub110\uc774 \ubc84\uc804 4.19\ub2e4. 2021. 5\uc6d4 \uc5c5\ub370\uc774\ud2b8\ub97c \ud558\uba74 \ucee4\ub110 5.10\uc744 \uc0ac\uc6a9\ud55c\ub2e4. \uc77c\ub2e8 \ucee4\ub110\uc744 4.19 \ubc84\uc804\uc73c\ub85c \uac15\uc81c\ub85c \ub9de\ucdb0\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n
pi@raspberrypi:~ $ uname -a\nLinux raspberrypi 5.10.17-v7l+ #1414 SMP Fri Apr 30 13:20:47 BST 2021 armv7l GNU\/Linux<\/pre>\n\n\n\n\ucc45 53 \ud398\uc774\uc9c0\uc5d0 \ub098\uc628\ub300\ub85c \ub530\ub77c\ud588\ub2e4. 15\ub144\uc804\uc5d0 \ube44\ud558\uba74 \uc815\ub9d0 \ud3b8\ud574\uc84c\ub2e4. \uadf8 \ub54c \ucef4\ud30c\uc77c \uc635\uc158\uc774 \ub108\ubb34 \ub9ce\uc544 \ud558\ub4dc\uc6e8\uc5b4 \uc9c0\uc2dd\uc774 \uc5c6\uc5b4 \ubb34\uc5c7\uc744 \uc120\ud0dd\ud560 \uc9c0 \ubab0\ub790\ub2e4.<\/p>\n\n\n\n
#https:\/\/www.raspberrypi.org\/documentation\/linux\/kernel\/building.md\n\n#\ud544\uc694 \ubaa8\ub4c8 \uc124\uce58.\nsudo apt install git bc bison flex libssl-dev make\n\ngit clone --depth=1 --branch rpi-4.19.y https:\/\/github.com\/raspberrypi\/linux\n\ncd linux\n#KERNEL=kernel7\nKERNEL=kernel7l\n#make bcm2709_defconfig\nmake bcm2711_defconfig<\/pre>\n\n\n\n\ucc45\uc740 make bcm2709_defconfig\ub85c \ucef4\ud30c\uc77c \uc635\uc158\uc744 \uc124\uc815\ud588\ub2e4. \uc544\ubb34 \uc0dd\uac01\uc5c6\uc774 \ub530\ub77c\ud558\ub2e4 \ubcf4\uba74 usb\ub97c \ud558\ub098\ub3c4 \uc778\uc2dd\ud558\uc9c0 \ubabb\ud558\ub294 \ud604\uc0c1\uc744 \uacaa\ub294\ub2e4. <\/p>\n\n\n\n
pi@raspberrypi:~ $ lsusb\npi@raspberrypi:~ $<\/pre>\n\n\n\n\uc774\uac70 \ub54c\ubb38\uc5d0 \ud55c\ub3d9\uc548 \uace0\ubbfc\ud588\ub2e4. make menu\ub85c usb\ub97c \uc124\uc815\ud558\ub294 \uc635\uc158\uc744 \ucc3e\uc544 \ucf1c\uc8fc\uba74 \ub420 \ub4ef \ud55c\ub370, \ub0b4\uac00 \ub9ce\uc774 \ubab0\ub77c \ub2e4\ub978 \uc635\uc158\uc744 \uc5b4\ub5bb\uac8c \uc124\uc815\ud560\uc9c0 \ud310\ub2e8 \ubabb\ud558\uaca0\ub2e4. \uc635\uc158 \ud558\ub098 \ucf1c\uaca0\ub2e4\uace0 \uadf8 \uc9d3\uc744 \ud574\uc57c\ub418\ub098… usb\uac00 \ub9c9\ud600 \ud0a4\ubcf4\ub4dc\ub3c4 \uc5f0\uacb0\ub418\uc9c0 \uc54a\uace0, usb \uba54\ubaa8\ub9ac, \uce74\uba54\ub77c \ub4f1 \uc544\ubb34\uac83\ub3c4 \uc5f0\uacb0\ub418\uc9c0 \uc54a\uc558\ub2e4. usb 4\ud3ec\ud2b8\uac00 \ubaa8\ub450 \ubd88\ub7c9\uc778 \uc904 \uc54c\uace0 \ud658\ubd88\ud560 \ubed4 \ud588\ub2e4.<\/p>\n\n\n\n
pi@raspberrypi:~ $ cat \/proc\/cpuinfo\nprocessor\t: 0\nmodel name\t: ARMv7 Processor rev 3 (v7l)\nBogoMIPS\t: 270.00\nFeatures\t: half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm crc32 \nCPU implementer\t: 0x41\nCPU architecture: 7\nCPU variant\t: 0x0\nCPU part\t: 0xd08\nCPU revision\t: 3\n\nprocessor\t: 1\nmodel name\t: ARMv7 Processor rev 3 (v7l)\nBogoMIPS\t: 270.00\nFeatures\t: half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm crc32 \nCPU implementer\t: 0x41\nCPU architecture: 7\nCPU variant\t: 0x0\nCPU part\t: 0xd08\nCPU revision\t: 3\n\nprocessor\t: 2\nmodel name\t: ARMv7 Processor rev 3 (v7l)\nBogoMIPS\t: 270.00\nFeatures\t: half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm crc32 \nCPU implementer\t: 0x41\nCPU architecture: 7\nCPU variant\t: 0x0\nCPU part\t: 0xd08\nCPU revision\t: 3\n\nprocessor\t: 3\nmodel name\t: ARMv7 Processor rev 3 (v7l)\nBogoMIPS\t: 270.00\nFeatures\t: half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm crc32 \nCPU implementer\t: 0x41\nCPU architecture: 7\nCPU variant\t: 0x0\nCPU part\t: 0xd08\nCPU revision\t: 3\n\nHardware\t: BCM2711\nRevision\t: b03114\nSerial\t\t: 100000003d82cd51\nModel\t\t: Raspberry Pi 4 Model B Rev 1.4\n<\/pre>\n\n\n\n\ucc45\uc5d0 \uc5c6\uc9c0\ub9cc, \uc6f9 \uc0ac\uc774\ud2b8\uc640 \uc5ec\uae30 \ubcf4\ub4dc \uc815\ubcf4\ub97c \ubcf4\uba74 bcm2711\uc744 \uc0ac\uc6a9\ud588\ub2e4. \uc774 \uc635\uc158\uc774 \ub9de\ub2e4. \uc774\uac8c customized \uc81c\ud488\uacfc \ub300\ub7c9 \uc0dd\uc0b0\ud488 \ucc28\uc774\ub2e4. \uc774 \uc635\uc158\uc744 \uac1c\uc778\uc774 \uc77c\uc77c\ud788 \ub2e4 \ub123\uc5b4\uc8fc\ub824\uba74 \ud798\ub4e4\uaca0\ub2e4. \ud45c\uc900\ud654\ub41c \ud558\ub4dc\uc6e8\uc5b4\ub97c \uc0ac\uc6a9\ud568\uc774 \ud6e8\uc52c \ub0ab\ub2e4. \uc544\ubb34\ub9ac \ub9ce\uc774 \ud310\ub300\ub3c4 raspberry pi \ub9cc\ud07c \ud314\ub9b4 \uc218 \uc788\uc744 \uc9c0 \ubaa8\ub974\uaca0\ub2e4. \ub2e8\uac00\uc5d0\uc11c \uacbd\uc7c1\ud558\uae30 \uc5b4\ub835\ub2e4\uace0 \ubcf8\ub2e4.<\/p>\n\n\n\n
make -j4 zImage modules dtbs\nsudo make modules_install\nsudo cp arch\/arm\/boot\/dts\/*.dtb \/boot\/\nsudo cp arch\/arm\/boot\/dts\/overlays\/*.dtb* \/boot\/overlays\/\nsudo cp arch\/arm\/boot\/dts\/overlays\/README \/boot\/overlays\/\nsudo cp arch\/arm\/boot\/zImage \/boot\/$KERNEL.img<\/pre>\n\n\n\n\ub098\uba38\uc9c0\ub97c \uc2e4\ud589\ud55c\ub2e4. boot \ub514\ub809\ud1a0\ub9ac \ud30c\uc77c\uc744 \ub36e\uc5b4\uc4f0\uae30 \uc804\uc5d0 \uae30\uc874 \ud30c\uc77c\uc744 \uaf2d \ubc31\uc5c5\ud574\uc57c \ud55c\ub2e4. \uadf8\ub0e5 \ub0a0\ub824 \ubc84\ub9ac\uba74 \ub098\ucc98\ub7fc \ub2e4\uc2dc \uc774\ubbf8\uc9c0\ub97c \uad6c\uc6cc\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n
pi@raspberrypi:~ $ lsusb\nBus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub\nBus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub\nBus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub\npi@raspberrypi:~ $ uname -a\nLinux raspberrypi 4.19.127-v7l+ #2 SMP Thu May 13 15:17:29 BST 2021 armv7l GNU\/Linux<\/pre>\n\n\n\n1.5\uc2dc\uac04 \ucef4\ud30c\uc77c \ud6c4 \uc815\uc0c1\uc801\uc73c\ub85c \ubd80\ud305\ud588\uc74c\uc744 \ud655\uc778\ud588\ub2e4.<\/p>\n\n\n\n
cross compile\uc744 \ud558\uae30\ub85c \ud588\ub2e4. 1.5 \uc2dc\uac04\uc774 10\ubd84\uc73c\ub85c \uc904\uc5b4\ub4dc\ub294 \ub9c8\ubc95\uc744 \ubcf4\uc558\ub2e4. https:\/\/www.raspberrypi.org\/documentation\/linux\/kernel\/building.md \uc0ac\uc774\ud2b8\uc5d0 \uac00\uba74 cross compile \ud558\ub294 \ubc29\ubc95\uc774 \ub098\uc640 \uc788\ub2e4. \uadf8\ub300\ub85c \ub530\ub77c\ud558\uba74 \ub41c\ub2e4.<\/p>\n\n\n\n
\/boot \ub514\ub809\ud1a0\ub9ac \ub0b4\uc6a9\uc744 \ud1b5\uc9f8\ub85c \ub0a0\ub838\ub294\ub370, \uadf8\ub7ec\uba74 \uc548\ub41c\ub2e4. start.elf \ud30c\uc77c\uc774 \uc5c6\ub2e4\uace0 \ubd80\ud305\ub418\uc9c0 \uc54a\ub294\ub2e4. <\/p>\n\n\n\n
pi@raspberrypi:\/boot $ ls -l\ntotal 27721\n-rwxr-xr-x 1 root root 24270 May 15 2021 bcm2708-rpi-b-plus.dtb\n-rwxr-xr-x 1 root root 24007 May 15 2021 bcm2708-rpi-b.dtb\n-rwxr-xr-x 1 root root 23788 May 15 2021 bcm2708-rpi-cm.dtb\n-rwxr-xr-x 1 root root 24448 May 15 2021 bcm2708-rpi-zero-w.dtb\n-rwxr-xr-x 1 root root 23712 May 15 2021 bcm2708-rpi-zero.dtb\n-rwxr-xr-x 1 root root 25334 May 15 2021 bcm2709-rpi-2-b.dtb\n-rwxr-xr-x 1 root root 25483 May 15 2021 bcm2710-rpi-2-b.dtb\n-rwxr-xr-x 1 root root 27143 May 15 2021 bcm2710-rpi-3-b-plus.dtb\n-rwxr-xr-x 1 root root 26524 May 15 2021 bcm2710-rpi-3-b.dtb\n-rwxr-xr-x 1 root root 25338 May 15 2021 bcm2710-rpi-cm3.dtb\n-rwxr-xr-x 1 root root 41185 May 15 2021 bcm2711-rpi-4-b.dtb\n-rwxr-xr-x 1 root root 18695 May 15 2021 bcm2835-rpi-a-plus.dtb\n-rwxr-xr-x 1 root root 18579 May 15 2021 bcm2835-rpi-a.dtb\n-rwxr-xr-x 1 root root 18982 May 15 2021 bcm2835-rpi-b-plus.dtb\n-rwxr-xr-x 1 root root 18858 May 15 2021 bcm2835-rpi-b-rev2.dtb\n-rwxr-xr-x 1 root root 18725 May 15 2021 bcm2835-rpi-b.dtb\n-rwxr-xr-x 1 root root 18690 May 15 2021 bcm2835-rpi-cm1-io1.dtb\n-rwxr-xr-x 1 root root 19173 May 15 2021 bcm2835-rpi-zero-w.dtb\n-rwxr-xr-x 1 root root 18647 May 15 2021 bcm2835-rpi-zero.dtb\n-rwxr-xr-x 1 root root 19558 May 15 2021 bcm2836-rpi-2-b.dtb\n-rwxr-xr-x 1 root root 21027 May 15 2021 bcm2837-rpi-3-b-plus.dtb\n-rwxr-xr-x 1 root root 20238 May 15 2021 bcm2837-rpi-3-b.dtb\n-rwxr-xr-x 1 root root 52456 May 15 2021 bootcode.bin\n-rwxr-xr-x 1 root root 121 May 15 2021 cmdline.txt\n-rwxr-xr-x 1 root root 1809 May 15 2021 config.txt\n-rwxr-xr-x 1 root root 7314 May 15 2021 fixup.dat\n-rwxr-xr-x 1 root root 5446 May 15 2021 fixup4.dat\n-rwxr-xr-x 1 root root 3191 May 15 2021 fixup4cd.dat\n-rwxr-xr-x 1 root root 8454 May 15 2021 fixup4db.dat\n-rwxr-xr-x 1 root root 8452 May 15 2021 fixup4x.dat\n-rwxr-xr-x 1 root root 3191 May 15 2021 fixup_cd.dat\n-rwxr-xr-x 1 root root 10298 May 15 2021 fixup_db.dat\n-rwxr-xr-x 1 root root 10298 May 15 2021 fixup_x.dat\n-rwxr-xr-x 1 root root 145 May 15 2021 issue.txt\n-rwxr-xr-x 1 root root 5773448 May 15 2021 kernel7l.img\ndrwxr-xr-x 2 root root 16384 May 15 2021 overlays\n-rwxr-xr-x 1 root root 2952928 May 15 2021 start.elf\n-rwxr-xr-x 1 root root 2228768 May 15 2021 start4.elf\n-rwxr-xr-x 1 root root 793084 May 15 2021 start4cd.elf\n-rwxr-xr-x 1 root root 3722504 May 15 2021 start4db.elf\n-rwxr-xr-x 1 root root 2981160 May 15 2021 start4x.elf\n-rwxr-xr-x 1 root root 793084 May 15 2021 start_cd.elf\n-rwxr-xr-x 1 root root 4794472 May 15 2021 start_db.elf\n-rwxr-xr-x 1 root root 3704712 May 15 2021 start_x.elf\n<\/pre>\n\n\n\noverlays \ub0b4\uc6a9\uc744 \ub0a0\ub9ac\uace0, \uc0c8\ub85c \ucef4\ud30c\uc77c \ubc84\uc804\uc73c\ub85c \uc124\uce58\ud588\uace0, start.elf, *.dat, bootcode.bin, *.txt\ub97c \uc804\uc5d0 \ubc1b\uc558\ub358 \ubc31\uc5c5\uc5d0\uc11c \ubcf5\uc0ac\ud588\ub2e4. \ub2e4\ud589\ud788 \uc798 \ub41c\ub2e4. \ub450 \ubc88\uc740 \ud558\uc9c0\ub9cc, \uc138 \ubc88\uc740 \ubabb \ud558\uaca0\ub2e4. \ucc45\uc774 \uc65c \uc2a4\ud06c\ub9bd\ud2b8\ub97c \uc124\uba85\ud588\ub294\uc9c0 \uc774\ud574\ub41c\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
\uc0bc\uad6d\uc9c0\ub3c4 \ub2e4 \ub05d\ub0ac\uace0, \ub0a8\ub294 \uc2dc\uac04\uc5d0 \ub9ac\ub205\uc2a4 \ucee4\ub110\uc744 \ubc30\uc6cc \ubcf4\uae30\ub85c \ud588\ub2e4. \uc2dc\uac04 \ub0a8\uc744 \ub550 \uc774\uac8c \ud6a8\uacfc\uac00 \ud655\uc2e4\ud558\uc9c0. \uc804\uc5d0 \uc0c0\ub358 “\ub514\ubc84\uae45\uc744 \ud1b5\ud574 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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