ted koukam, ze se jeden prikaz dementne zalamal,

install modules ma byt na jednom radku:

make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf-
INSTALL_MOD_PATH=/mnt/ext4 modules_install

To byla take jedna z chyb!

On Mon, 20 Mar 2017 22:51:05 +0100, Robert Holub <mrholub@hotmail.com>
wrote:

> Ahoj pratele,
>
> pred casem jsem se bavil o moznosti prekladat jadro pro rpi na rychlem
> PC.
> Navod byl udajne priserny.
> Zkousel jsem to a opravdu, navod nic moc, je tezke se v nem vysnat.
> Nicmene nakonec jsem uspel s kompilaci a instralaci jadra vcetne modulu.
>
> Problem:
>
> Navod obsahuje chyby v prikazech (nekolikrat chybi '/')  a popis
> nastaveni
> cest pro tools a volba 64bit/32bit je take matouci.
>
> Zde je navod ktery by mel byt jiz jasnejsi, mam to vystavit do knowledge
> base?
>
> Mr.holub
>
>
> === Cross-compiling ===
>
> == Install toolchain
>
> Use the following command to install the toolchain:
>
> git clone https://github.com/raspberrypi/tools
>
> You can then copy the tools  directory to a common location (I've put it
> in /var/lib/gitolite/rpi but you can use any other dir.)
>
> add tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin to your
> $PATH
>
> For 32-bit host systems: use
> tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin
>
> For 64-bit host systems: use
> tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin
>
> Example of adding path to the existing paths for particular shell session
> (your subdir will be probably different:
>
> 32bit host example:
>
> PATH=$PATH:/var/lib/gitolite/rpi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin
>
> 64bit host example:
>
> PATH=$PATH:/var/lib/gitolite/rpi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/
>
> == Get sources
>
> To get the sources, refer to the original GitHub repository for the
> various branches.
>
> git clone --depth=1 https://github.com/raspberrypi/linux
>
> == Build sources
>
> Enter the following commands to build the sources and Device Tree files:
>
> For Pi 1 or Compute Module or Pi ZERO:
>
> cd linux
> KERNEL=kernel
> make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- bcmrpi_defconfig
>
> For Pi 2/3:
>
> cd linux
> KERNEL=kernel7
> make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- bcm2709_defconfig
>
>
>
> Then, for both (replace X by number of threads - often 1.5 * number of
> cores):
>
> make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- zImage modules dtbs -j X
>
> Install directly onto the SD card
>
> Having built the kernel, you need to copy it onto your Raspberry Pi and
> install the modules; this is best done directly using an SD card reader.
>
> First, use lsblk before and after plugging in your SD card to identify
> it.
> You should end up with something like this:
>
> sdb
>     sdb1
>     sdb2
>
> with sdb1 being the FAT (boot) partition, and sdb2 being the ext4
> filesystem (root) partition.
>
> If it's a NOOBS card, you should see something like this:
>
> sdb
>    sdb1
>    sdb2
>    sdb5
>    sdb6
>    sdb7
>
> with sdb6 being the FAT (boot) partition, and sdb7 being the ext4
> filesystem (root) partition.
>
> Mount these first, adjusting the partition numbers for NOOBS cards:
>
> mkdir /mnt/fat32
> mkdir /mnt/ext4
> sudo mount /dev/sdb1 /mnt/fat32
> sudo mount /dev/sdb2 /mnt/ext4
>
> Next, install the modules:
>
> sudo make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf-
> INSTALL_MOD_PATH=/mnt/ext4 modules_install
>
> Finally, copy the kernel and Device Tree blobs onto the SD card, making
> sure to back up your old kernel:
>
> cp mnt/fat32/$KERNEL.img /mnt/fat32/$KERNEL-backup.img
> scripts/mkknlimg arch/arm/boot/zImage /mnt/fat32/$KERNEL.img
> cp arch/arm/boot/dts/*.dtb /mnt/fat32/
> cp arch/arm/boot/dts/overlays/*.dtb* /mnt/fat32/overlays/
> cp arch/arm/boot/dts/overlays/README /mnt/fat32/overlays/
> umount /mnt/fat32
> umount /mnt/ext4
>
> Another option is to copy the kernel into the same place, but with a
> different filename - for instance, kernel-myconfig.img - rather than
> overwriting the kernel.img file. You can then edit the config.txt file to
> select the kernel that the Pi will boot into:
>
> kernel=kernel-myconfig.img
>
> This has the advantage of keeping your kernel separate from the kernel
> image managed by the system and any automatic update tools, and allowing
> you to easily revert to a stock kernel in the event that your kernel
> cannot boot.
>
> Finally, plug the card into the Pi and boot it!
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