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Ordinarily, a handler installed with set_pm_interrupt only services software interrupts that are executed in protected mode; real mode software interrupts can be redirected by set_rm_interrupt.
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Set real mode interrupt handler |
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Get real mode interrupt vector |
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Set protected mode interrupt handler |
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Return protected mode interrupt handler |
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Lock data memory range |
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Lock code memory range |
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Enable hardware interrupts |
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Disable hardware interrupts |
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Write byte to I/O port |