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tutorials:dvk521:documentations:a20:kernel_porting_and_configuration [2013/12/10 15:09] waveshare |
tutorials:dvk521:documentations:a20:kernel_porting_and_configuration [2014/03/13 14:40] (current) waveshare |
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==== Kernel Porting ==== | ==== Kernel Porting ==== | ||
- | Get the linux kernel source code [[http://dl.cubieboard.org/parteners/waveshare/Source_Code/COMMON/|linux-sunxi-sunxi-3.4.61.tar.gz]], | + | The zipped kernel linux-sunxi-sunxi-3.4.61.tar.gz can be found on [[http://dl.cubieboard.org/parteners/waveshare/Source_Code/COMMON/|linux-sunxi-sunxi-3.4.61.tar.gz]], the kernel config file can be found on [[http://dl.cubieboard.org/parteners/waveshare/Source_Code/a20-cubieboard-dvk/kernel%20configs/|cubieboard2_defconfig]] |
Or can be obtained from the internet: | Or can be obtained from the internet: | ||
https://github.com/linux-sunxi/linux-sunxi/releases , | https://github.com/linux-sunxi/linux-sunxi/releases , | ||
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{{:tutorials:dvk521:documentations:a20:a20_1.jpg}} | {{:tutorials:dvk521:documentations:a20:a20_1.jpg}} | ||
- | + | === Assign the cross compiler === | |
- | === Assign the cross compiler === | + | |
- | The purpose of kernel porting is to run the linux-sunxi-sunxi-3.4.61 on Cubieboard. | + | |
Modify the Makefile under root directory: | Modify the Makefile under root directory: | ||
- | #cd linux-sunxi-sunxi-3.4.61 | + | #cd linux-sunxi-sunxi-3.4.61_A20 |
#vi Makefile | #vi Makefile | ||
Edit the following lines: | Edit the following lines: | ||
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=== Copy the default config file === | === Copy the default config file === | ||
Under the root directory, enter: | Under the root directory, enter: | ||
- | #make sun4i_defconfig | + | # cp ../cubieboard2_defconfig .config |
A hidden .config file will be generated under the root directory. | A hidden .config file will be generated under the root directory. | ||
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{{:tutorials:dvk521:documentations:a20:a20_3.jpg}} | {{:tutorials:dvk521:documentations:a20:a20_3.jpg}} | ||
- | |||
=== Compile the kernel === | === Compile the kernel === | ||
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#make uImage | #make uImage | ||
It will take much time to complete the compiling. | It will take much time to complete the compiling. | ||
- | When completed, the compressed kernel image will be generated under linux-sunxi-sunxi-3.4.61/arch/arm/boot directory. | + | When completed, the compressed kernel image will be generated under linux-sunxi-sunxi-3.4.61_A20/arch/arm/boot directory. |
<WRAP noprint> | <WRAP noprint> | ||
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</WRAP> | </WRAP> | ||
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