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36 lines
439 B
ArmAsm
36 lines
439 B
ArmAsm
extern g_idtr
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extern g_gdtr
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global idt_write
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idt_write:
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lidt [rel g_idtr]
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ret
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global idt_load
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idt_load:
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sidt [rel g_idtr]
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ret
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global gdt_write
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gdt_write:
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lgdt [rel g_gdtr]
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mov ax, si ; second arg is data segment
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mov ds, ax
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mov es, ax
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mov fs, ax
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mov gs, ax
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mov ss, ax
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push qword rdi ; first arg is code segment
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lea rax, [rel .next]
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push rax
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o64 retf
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.next:
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ltr dx
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ret
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global gdt_load
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gdt_load:
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sgdt [rel g_gdtr]
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ret
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