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器件型号：SK-AM64B 工具与软件：
在执行3.2.1.3.1中的步骤时、SDK_INSTALL_DIR 的定义/位置似乎缺失/未定义。
james@james-virtual-machine:~/ti-processor-sdk-linux-am64xx-evm-10.00.07.04/board-support/ti-linux-kernel-6.6.32+git-ti$ sudo apt install git xz-utils build-essential flex bison bc libssl-dev libncurses-dev
[sudo] password for james:
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
bc is already the newest version (1.07.1-3build1).
bison is already the newest version (2:3.8.2+dfsg-1build1).
build-essential is already the newest version (12.9ubuntu3).
flex is already the newest version (2.6.4-8build2).
xz-utils is already the newest version (5.2.5-2ubuntu1).
git is already the newest version (1:2.34.1-1ubuntu1.11).
libncurses-dev is already the newest version (6.3-2ubuntu0.1).
libssl-dev is already the newest version (3.0.2-0ubuntu1.18).
0 upgraded, 0 newly installed, 0 to remove and 25 not upgraded.
james@james-virtual-machine:~/ti-processor-sdk-linux-am64xx-evm-10.00.07.04/board-support/ti-linux-kernel-6.6.32+git-ti$ ls
arch certs crypto fitImage-its-am64xx-evm init Kbuild lib MAINTAINERS modules.builtin Module.symvers README scripts System.map virt vmlinux.o
block COPYING Documentation fs io_uring Kconfig LICENSES Makefile modules.builtin.modinfo net rust security tools vmlinux vmlinux.symvers
built-in.a CREDITS drivers include ipc kernel linux.bin mm modules.order patches samples sound usr vmlinux.a
james@james-virtual-machine:~/ti-processor-sdk-linux-am64xx-evm-10.00.07.04/board-support/ti-linux-kernel-6.6.32+git-ti$ export CROSS_COMPILE_64="${SDK_INSTALL_DIR}/linux-devkit/sysroots/x86_64-arago-linux/usr/bin/aarch64-oe-linux/aarch64-oe-linux-"
james@james-virtual-machine:~/ti-processor-sdk-linux-am64xx-evm-10.00.07.04/board-support/ti-linux-kernel-6.6.32+git-ti$ export SYSROOT_64="${SDK_INSTALL_DIR}/linux-devkit/sysroots/aarch64-oe-linux"
james@james-virtual-machine:~/ti-processor-sdk-linux-am64xx-evm-10.00.07.04/board-support/ti-linux-kernel-6.6.32+git-ti$ export CC_64="${CROSS_COMPILE_64}gcc --sysroot=${SYSROOT_64}"
james@james-virtual-machine:~/ti-processor-sdk-linux-am64xx-evm-10.00.07.04/board-support/ti-linux-kernel-6.6.32+git-ti$ export CROSS_COMPILE_32="${SDK_INSTALL_DIR}/k3r5-devkit/sysroots/x86_64-arago-linux/usr/bin/arm-oe-eabi/arm-oe-eabi-"
james@james-virtual-machine:~/ti-processor-sdk-linux-am64xx-evm-10.00.07.04/board-support/ti-linux-kernel-6.6.32+git-ti$ make ARCH=arm64 CROSS_COMPILE="$CROSS_COMPILE_64" distclean
CLEAN arch/arm64/boot
CLEAN arch/arm64/crypto
CLEAN arch/arm64/kernel/pi
CLEAN arch/arm64/kernel/vdso
CLEAN arch/arm64/kernel
CLEAN certs
CLEAN drivers/firmware/efi/libstub
CLEAN drivers/scsi
CLEAN drivers/tty/vt
CLEAN drivers/video/logo
CLEAN init
CLEAN kernel
CLEAN lib/raid6
CLEAN lib
CLEAN net/wireless
CLEAN usr
CLEAN .
/bin/sh: 1: /linux-devkit/sysroots/x86_64-arago-linux/usr/bin/aarch64-oe-linux/aarch64-oe-linux-gcc: not found
/bin/sh: 1: /linux-devkit/sysroots/x86_64-arago-linux/usr/bin/aarch64-oe-linux/aarch64-oe-linux-gcc: not found
CLEAN vmlinux.symvers modules.builtin modules.builtin.modinfo .vmlinux.export.c
CLEAN scripts/basic
CLEAN scripts/dtc
CLEAN scripts/kconfig
CLEAN scripts/mod
CLEAN scripts
CLEAN include/config include/generated arch/arm64/include/generated .config .config.old .version Module.symvers
快速操作
Grep -Rnw ' '-e 'SDK_INSTALL_DIR'
会产生3个命中点、其中一个是定义
/home/james/ti-processor-sdk-linux-am64xx-evm-10.00.07.04/linux-devkit/sysroots/x86_64-arago-linux/usr/share/cmake/SDKToolchainConfig.cmake.template:1:set(SDK_INSTALL_DIR "${CMAKE_CURRENT_LIST_DIR}/../../../../..")
/home/james/ti-processor-sdk-linux-am64xx-evm-10.00.07.04/linux-devkit/sysroots/x86_64-arago-linux/usr/share/cmake/SDKToolchainConfig.cmake.template:2:set(HOST_SYSROOT "${SDK_INSTALL_DIR}/sysroots/@OECORE_SDK_SYS")
/home/james/ti-processor-sdk-linux-am64xx-evm-10.00.07.04/linux-devkit/sysroots/x86_64-arago-linux/usr/share/cmake/SDKToolchainConfig.cmake.template:3:set(TARGET_SYSROOT "${SDK_INSTALL_DIR}/sysroots/@OECORE_TARGET_SYS")
