mirrors/Astral
1
0
Fork 0
mirror of https://github.com/Mathewnd/Astral.git synced 2026-11-01 23:18:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

interrupt: nmi work

Browse Source
This commit is contained in:
Matheus
2025-12-05 18:09:36 -03:00
parent 47f5a2fcfb
commit d10295dcdf
4 changed files with 115 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kernel-src/arch/x86-64/idt.c
+6 -4
View File
@@ -29,16 +29,18 @@ static idtr_t idtr = {
.offset = (uint64_t)idt
};
void asm_nmi_handler();
extern const uint64_t isr_table[256];
void arch_idt_setup() {
for (int i = 0; i < 256; ++i) {
idt[i].offset = isr_table[i] & 0xffff;
uint64_t addr = i == 2 ? (uint64_t)asm_nmi_handler : isr_table[i];
idt[i].offset = addr & 0xffff;
idt[i].segment = 0x8;
idt[i].ist = 0;
idt[i].ist = i == 2 ? 1 : 0;
idt[i].flags = 0x8e;
idt[i].offset2 = (isr_table[i] >> 16) & 0xffff;
idt[i].offset3 = (isr_table[i] >> 32) & 0xffffffff;
idt[i].offset2 = (addr >> 16) & 0xffff;
idt[i].offset3 = (addr >> 32) & 0xffffffff;
}
}