BOOTBOOT: Difference between revisions
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== Console == |
== Console == |
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BOOTBOOT does not support VGA text mode, it sets up graphic mode regardless to the platform. You don't have to mess around with VESA or GOP any more, you will get the frame buffer ready to use. The example Hello World kernel provided with the BOOTBOOT source has a minimal puts() example, which outputs text on that frame buffer using [[PC Screen Font]] (same that Linux Console uses). |
BOOTBOOT does not support VGA text mode, it sets up graphic mode regardless to the platform. You don't have to mess around with [[VESA]] or [[GOP]] any more, you will get the frame buffer ready to use. The example Hello World kernel provided with the BOOTBOOT source has a minimal puts() example, which outputs text on that frame buffer using [[PC Screen Font]] (same that Linux Console uses). |
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The loader also initializes the [[Serial_Ports|serial console]] for you with 115200 baud, 8 data bits, no parity and 1 stop bit. Your kernel can send debug messages from the start. |
The loader also initializes the [[Serial_Ports|serial console]] for you with 115200 baud, 8 data bits, no parity and 1 stop bit. Your kernel can send debug messages from the start. |
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