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* [mubios] Extend registers from 16-bit to 32-bitRichard Qin41 hours1-8/+11
| | | | Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Multi-sector INT 13h AH=42hRichard Qin41 hours1-1/+1
| | | | Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Add Interrupt Dispatch ServiceRichard Qin42 hours1-0/+1
| | | | Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Add C implementation of INT 10hRichard Qin42 hours1-0/+5
| | | | Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Establish the BIOS interrupt register contextRichard Qin42 hours1-0/+41
| | | | Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Add ATARichard Qin43 hours2-0/+12
| | | | Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Enable IRQ0Richard Qin43 hours1-0/+1
| | | | Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Create 16-bit entry points for IRQ0/IRQ1 and install the IVT vectors.Richard Qin45 hours1-0/+2
| | | | Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Implement the PIC and PIT.Richard Qin45 hours1-0/+3
| | | | Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Implement the COM1 serial port driver and POST output.Richard Qin45 hours2-0/+47
| | | | Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Initialize IVT, BDA and EBDA.Richard Qin47 hours1-1/+17
| | | | Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Building a 32-bit C entry in protected modeRichard Qin47 hours1-0/+27
Signed-off-by: Richard Qin <richard.qin.x@gmail.com>