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path: root/mubios/arch/mode_switch.S
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* [mubios] Add switching and return paths between real-mode interrupts and ↵Richard Qin30 hours1-0/+103
| | | | | | protected-mode C services. Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Enable IRQ0Richard Qin32 hours1-2/+4
| | | | Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Transition from protected mode back to real modeRichard Qin33 hours1-0/+74
| | | | Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Fix the link order for the 16-bit entriesRichard Qin34 hours1-1/+1
| | | | Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Building a 32-bit C entry in protected modeRichard Qin36 hours1-0/+4
| | | | Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
* [mubios] Implement the switch from 16-bit to 32-bit protected modeRichard Qin36 hours1-0/+108
Signed-off-by: Richard Qin <richard.qin.x@gmail.com>