Booting Raspberry Pi 3: Difference between revisions
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https://github.com/raspberrypi/firmware/blob/master/boot/bootcode.bin |
https://github.com/raspberrypi/firmware/blob/master/boot/bootcode.bin |
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There is also another file required to boot properly. A config.txt file must be supplied to provide configuration details for the device and the OS. Here are the only |
There is also another file required to boot properly. A config.txt file must be supplied to provide configuration details for the device and the OS. Here are the only entries you need: |
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<pre> |
<pre> |
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arm_64=1 |
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enable_uart=1 |
enable_uart=1 |
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</pre> |
</pre> |
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https://raspberrypi.stackexchange.com/a/10595 |
https://raspberrypi.stackexchange.com/a/10595 |
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https://www.raspberrypi.org/documentation/configuration/config-txt/ |
https://www.raspberrypi.org/documentation/configuration/config-txt/ |
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By now you should have your cross compiler set up. The compiler binaries have the same name as they usually would with "aarch64-elf-" prefixing them (e.x. aarch64-elf-gcc). For this example, three files are used: |
By now you should have your cross compiler set up. The compiler binaries have the same name as they usually would with "aarch64-elf-" prefixing them (e.x. aarch64-elf-gcc). For this example, three files are used: |
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*start.S - Setup the environment and call the kernel |
*start.S - Setup the environment and call the kernel |
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*kernel.c - Kernel entry and use |
*kernel.c - Kernel entry and use |
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*uart.c - UART driver |
*uart.c - UART driver |
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