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Unless you have a spare Apple Silicon machine, getting access to the serial port on Apple Silicon machines requires special hardware. Given that most machines come with a built-in screen the framebuffer is likely to be the most convenient output device for most users. While U-Boot will output to both serial and framebuffer, OSes might not. Therefore set stdout-path to point at /chosen/framebuffer when a keyboard is connected to the machine. This behaviour can be overridden by setting the "stdout" variable in the U-Boot environment. I addition to that keep the serial console as the default when running under the m1n1 hypervisor. The m1n1 hypervisor virtualizes the serial port such that it can be easily accessed from any other machine with a USB port. Signed-off-by: Mark Kettenis <kettenis@openbsd.org> Reviewed-by: Janne Grunau <j@jannau.net> Tested-by: Janne Grunau <j@jannau.net> |
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| .. | ||
| board.c | ||
| Kconfig | ||
| lowlevel_init.S | ||
| Makefile | ||
| rtkit.c | ||