Interrupt Service Routines: Difference between revisions
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Content deleted Content added
give information on how the cpu calls the handlers |
m fixed a small mistake |
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The CS value is padded with two bytes to form a doubleword. |
The CS value is padded with two bytes to form a doubleword. |
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If the gate type is a trap gate, the CPU will clear the interrupt flag. If the interrupt is an exception, the CPU will push an error code onto the stack, as a doubleword. |
If the gate type is not a trap gate, the CPU will clear the interrupt flag. If the interrupt is an exception, the CPU will push an error code onto the stack, as a doubleword. |
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The CPU will load the segment-selector value from the associated IDT descriptor into CS. |
The CPU will load the segment-selector value from the associated IDT descriptor into CS. |
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