44 lines
590 B
ArmAsm
44 lines
590 B
ArmAsm
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/*
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# lidt
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TODO get working:
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- http://wiki.osdev.org/Real_Mode
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Sets the IDTR through a from a descriptor in memory, and tells the CPU where the IDT is on memory.
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Expected outcome: 'ab' gets printed to the screen.
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osdev says this is not compatible with older CPUs.
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# sidt
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Read the descriptor register to memory.
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*/
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#include "common.h"
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BEGIN
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CLEAR
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lidt idt_descriptor
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movw $handler, 0x04
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mov %cs, 0x06
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int $0
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PUTC($0x62)
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hlt
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idt:
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.word 2
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.word 4
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idt_end:
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idt_descriptor:
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.word idt_end - idt
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.long idt
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handler:
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PUTC($0x61)
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iret
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