commit 65dca52118cb18a475b4395b366b7350fbaea9a9
parent dd0df3f2149a91ad7a845196b89e0b1aaa2b3eea
Author: mayfrost <mayfrost@cock.li>
Date: Thu, 6 Sep 2018 00:35:26 +0000
Update CROSS-COMPILING.md
Diffstat:
| M | CROSS-COMPILING.md | | | 86 | ++++++++++++++++++++++++++++++++++++++++--------------------------------------- |
1 file changed, 44 insertions(+), 42 deletions(-)
diff --git a/CROSS-COMPILING.md b/CROSS-COMPILING.md
@@ -1,5 +1,5 @@
# CROSS-COMPILING
-Installing a distro for ARM. The distro is CRUX, the target is an Odroid C2. The device is appears as "_/dev/mmcblk0_" (with "_/dev/mmcblk0p1_" and "_/dev/mmcblk0p2_" as the partitions) in the target machine, but it can be seen as "_/dev/sdX_" in your x86 computer.
+Installing a distro for ARM. The distro is CRUX, the target is an Odroid C2. The device will appears as "_/dev/mmcblk0_" (with "_/dev/mmcblk0p1_" and "_/dev/mmcblk0p2_" as the partitions) in the target machine, but it can be seen as "_/dev/sdX_" in your x86 computer.
## TOC
@@ -15,10 +15,10 @@ Installing a distro for ARM. The distro is CRUX, the target is an Odroid C2. The
## CROSS COMPILATION TOOLS
Installing GCC cross compilation tools (for the X86 machine, not target ARM). Includes binutils.
-* OPTION 1: from repository (Devuan example)
+* OPTION 1: From repository (Devuan example)
`sudo apt-get install gcc-arm-none-eabi`
-* OPTION 2: proportioned by odroid
+* OPTION 2: Proportioned by odroid
```
wget http://odroid.in/guides/ubuntu-lfs/arm-unknown-linux-gnueabi.tar.xz
tar -Jxf arm-unknown-linux-gnueabi.tar.xz
@@ -28,55 +28,55 @@ Name of "_CROSS_COMPILE_" variable will change depending on the choosen option.
## PARTITIONING
-* clear the section for the bootloader
-`dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=8`
-* enter fdisk
-`fdisk /dev/mmcblk0`
-* help
+* Clear the section for the bootloader
+`dd if=/dev/zero of=/dev/sdX bs=1M count=8`
+* Enter fdisk
+`fdisk /dev/sdX`
+* Help
`m`
-* create new MBR partition table
+* Create new MBR partition table
`o`
-* create boot partition
+* Create boot partition
`n`
-* make primary partition
+* Make primary partition
`p`
-* choose partition number
+* Choose partition number
`1`
-* assign start of boot partition at the end of the bootloader space
+* Assign start of boot partition at the end of the bootloader space
`3073`
-* assign end of boot partition
+* Assign end of boot partition
`+128M`
-* change display units to cylinders
+* Change display units to cylinders
`u`
-* create root partition
+* Create root partition
`n`
-* make primary partition
+* Make primary partition
`p`
-* choose partition number
+* Choose partition number
`2`
-* assign start of boot partition at the end of the bootloader space (default cylinder)
+* Assign start of boot partition at the end of the bootloader space (default cylinder)
`131`
-* assign end of boot partition (default) by pressing ENTER
-* change display units back to sectors
+* Assign end of boot partition (default) by pressing ENTER
+* Change display units back to sectors
`u`
-* show the partitions
+* Show the partitions
`p`
-* if you agree save and exit
+* If you agree save and exit
`w`
-* if you disagree delete a partition and start from that partition
+* If you disagree delete a partition and start from that partition
`d`
* or exit without saving
`q`
* Make root filesystem
-`mkfs.<ROOT_FILESYSTEM> /dev/mmcblk0p2`
+`mkfs.<ROOT_FILESYSTEM> /dev/sdX2`
* Make boot filesystem according to supported bootloader (only "_mkfs.vfat_")
-`mkfs.<BOOTLOADER_FILESYSTEM> /dev/mmcblk0p1`
+`mkfs.<BOOTLOADER_FILESYSTEM> /dev/sdX1`
## BOOTLOADER
Minimum 3072 bytes free at the start of the drive and before the boot partition.
-* VERSION 1: compile
+* VERSION 1: Compile bootloader yourself
```
git clone https://github.com/hardkernel/u-boot.git -b odroidc2-v2015.01
cd u-boot
@@ -85,44 +85,44 @@ make -j4
cd boot
```
-* VERSION 2: download and extract the binary
+* VERSION 2: Download and extract the binary
```
wget http://odroid.in/guides/ubuntu-lfs/boot.tar.gz # http://dn.odroid.com/S905/BootLoader/ODROID-C2/c2_boot_release_ubuntu.tar.gz
tar -zxvf boot.tar.xz
cd boot
```
-* flash bootloader
+* Flash bootloader
```
chmod +x sd_fusing.sh
./sd_fusing.sh /dev/sdX
```
-* notice the target is the device NOT any partition
-* set resolution by editing file root/boot/boot.ini
-* might want to comment-out the display-autodetect option
+* Notice the target is the device NOT any partition
+* Set resolution by editing file root/boot/boot.ini
+* Might want to comment-out the display-autodetect option
## MOUNTING
-* mount root filesystem
-`mount /dev/mmcblk0p2 /mnt`
-* create boot directory
+* Mount root filesystem
+`mount /dev/sdX2 /mnt`
+* Create boot directory
`mkdir /mnt/boot`
-* mount boot filesystem
-`mount /dev/mmcblk0p1 /mnt/boot`
+* Mount boot filesystem
+`mount /dev/sdX1 /mnt/boot`
## BOOT PARTITION
Must be FAT32 and 64 MB minimum.
-* cloning kernel repo to destination "odroidc2-kernel-folder"
+* Clone kernel repo to destination "odroidc2-kernel-folder"
`git clone --depth 1 --single-branch https://github.com/hardkernel/linux.git --branch odroidc2-v3.16.y odroidc2-kernel-folder`
-* enter destination folder
+* Enter destination folder
`cd odroidc2-kernel-folder`
-* OPTION 1: making kernel config
+* OPTION 1: Make kernel config (oneliner)
`make ARCH=arm64 CROSS_COMPILE=arm-none-eabi- odroidc2_defconfig`
-* OPTION 2: making kernel config
+* OPTION 2: Make kernel config
```
export ARCH=arm64
export CROSS_COMPILE=arm-none-eabi-
@@ -150,4 +150,6 @@ make odroidc2_defconfig
Can be the rest of the disk.
* Download CRUX image
-`wget -c http://resources.crux-arm.nu/files/devel-test/3.3/crux-arm-rootfs-3.3-64b-RC2.tar.xz`
+`wget -c http://resources.crux-arm.nu/files/devel-test/3.3/crux-arm-rootfs-3.3-64b-RC2.tar.xz`
+* Extract CRUX image
+`aunpack crux-arm-rootfs-3.3-64b-RC2.tar.xz`
