英特爾驅動的安裝教學 intel驅動程序如何安裝 _生活百科

因為 Intel SGX 的驅動從 5.x 內核主線才開始支持，因此 5.x 以下的內核版本要使用SGX的功能，需要額外編譯安裝驅動。
以 Ubuntu 18.04為例，安裝驅動也非常簡單，從 Intel 的官網下載驅動 bin 包，直接執行即可：
$ sudo ./sgx_linux_x64_driver_1.41.binUnpacking Intel SGX Driver ... done.Verifying the integrity of the install package ... done.Installing Intel SGX Driver .../tmp/sgx-driver-F6eUsR ~/workspace/sgxinstall -d /opt/intel/sgxdriver/packageinstall -d /opt/intel/sgxdriver/scriptscp -r package/* /opt/intel/sgxdriver/packageinstall scripts/* /opt/intel/sgxdriver/scripts~/workspace/sgxCreating symlink /var/lib/dkms/sgx/1.41/source ->/usr/src/sgx-1.41DKMS: add completed.Kernel preparation unnecessary for this kernel.Skipping...Building module:cleaning build area...'make' KDIR=/lib/modules/4.15.0-153-generic/build....Signing module:Generating a new Secure Boot signing key:Can't load /var/lib/shim-signed/mok/.rnd into RNG140349876240832:error:2406F079:random number generator:RAND_load_file:Cannot open file:../crypto/rand/randfile.c:88:Filename=/var/lib/shim-signed/mok/.rndGenerating a RSA private key...........................................................................................+++++......................+++++writing new private key to '/var/lib/shim-signed/mok/MOK.priv'----- - /var/lib/dkms/sgx/1.41/4.15.0-153-generic/x86_64/module/intel_sgx.koEFI variables are not supported on this system/sys/firmware/efi/efivars not found, aborting.cleaning build area...DKMS: build completed.intel_sgx:Running module version sanity check. - Original module- No original module exists within this kernel - Installation- Installing to /lib/modules/4.15.0-153-generic/updates/dkms/depmod.....DKMS: install completed.You may need to run "/sbin/modprobe intel_sgx (--allow-unsupported)" or reboot system manually!uninstall.sh script generated in "/opt/intel/sgxdriver".$ 安裝完成后，加載內核模塊，應該能在 /dev 下看到 sgx 樣的設備。如果沒有，說明這款 CPU 硬件不支持 SGX 。
【英特爾驅動的安裝教學 intel驅動程序如何安裝】從安裝過程中可以看出 SGX 驅動安裝采用了 DKMS 的方式，這是什么呢？DKMS 的全稱是 Dynamic Kernel Module Support ，它使一些設備商可以以源碼的方式提供驅動版本，當內核升級時，會自動編譯出與新內核兼容的驅動版本。

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