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Fixed the idt_info_t struct and lidt()

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Info was not loaded properly, causing crash
This commit is contained in:
ngiddings
2021-04-15 05:49:11 -05:00
parent 923057ee1c
commit c5e38801f3
1 changed files with 3 additions and 3 deletions
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6
src/x86/interrupts.c
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@@ -4,13 +4,13 @@ struct idt_info_t
{ {
uint16_t size; uint16_t size;
void *location; void *location;
}; } __attribute__ ((packed));
void lidt(struct interrupt_descriptor_t *idt) void lidt(struct interrupt_descriptor_t *idt)
{ {
struct idt_info_t idt_info; struct idt_info_t idt_info;
idt_info.size = sizeof(idt) - 1; idt_info.size = sizeof(struct interrupt_descriptor_t) * 256 - 1;
idt_info.location = (void *)&idt; idt_info.location = (void *)idt;
asm("lidt (%0)" asm("lidt (%0)"
: :
: "r"(&idt_info)); : "r"(&idt_info));