From c9762db4cc9fbd72d8aaed4b2c937e0063cbc478 Mon Sep 17 00:00:00 2001 From: Matheus Date: Fri, 19 Aug 2022 22:54:22 -0300 Subject: [PATCH] fix errorless exception handling --- src/arch/x86_64/idt.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/src/arch/x86_64/idt.c b/src/arch/x86_64/idt.c index 4913c7af..8f74c518 100644 --- a/src/arch/x86_64/idt.c +++ b/src/arch/x86_64/idt.c @@ -39,10 +39,15 @@ void idt_bspinit(){ idt_setentry(&idt[i], asmisr_general, 0x28, FLAGS_PRESENT | FLAGS_TYPE_INTERRUPT, 0); } - for(size_t i = 0; i < 32; ++i){ - idt_setentry(&idt[i], asmisr_except, 0x28, FLAGS_PRESENT | FLAGS_TYPE_TRAP, 0); - } - + + // set error code pushers as exceptions + + idt_setentry(&idt[VECTOR_DOUBLEFAULT], asmisr_except, 0x28, FLAGS_PRESENT | FLAGS_TYPE_TRAP, 0); + idt_setentry(&idt[VECTOR_GPF], asmisr_except, 0x28, FLAGS_PRESENT | FLAGS_TYPE_TRAP, 0); + idt_setentry(&idt[VECTOR_INVALIDTSS], asmisr_except, 0x28, FLAGS_PRESENT | FLAGS_TYPE_TRAP, 0); + idt_setentry(&idt[VECTOR_SEGMENTNOTPRESENT], asmisr_except, 0x28, FLAGS_PRESENT | FLAGS_TYPE_TRAP, 0); + idt_setentry(&idt[VECTOR_STACK], asmisr_except, 0x28, FLAGS_PRESENT | FLAGS_TYPE_TRAP, 0); + idt_setentry(&idt[VECTOR_PF], asmisr_pagefault, 0x28, FLAGS_PRESENT | FLAGS_TYPE_TRAP, 0); idt_setentry(&idt[VECTOR_PANIC], asmisr_panic, 0x28, FLAGS_PRESENT | FLAGS_TYPE_INTERRUPT, 0);