Michael Petch issues

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                                            Michael Petch

OS Part 7 : Mouse observations

I like your idea of the video series, keep up the good work! A couple of observations regarding the mouse. The mouse X (buffer[1]) and Y (buffer[2]) values are actually...

Segment registers (CS, DS, ES, SS, FS, GS) not reloaded with new values after LGDT instruction

The code in `GlobalDescriptorTable::GlobalDescriptorTable()` fails to reload the segment registers after creating a GDT and loading it with `lgdt`. As a result, the code expects that GRUB's values for the...

The HandleException macro in interruptstubs.s assumes all exceptions have an error code

The `HandleException` macro assumes that all exceptions have an error code pushed on the stack. The list of exceptions that the CPU pushes an error code/doesn't push can be found...