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RaphProductions 2025-05-06 20:19:48 +02:00
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kernel/src/sys/arch/x86_64/interrupts.c Executable file
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//#include "mm/pmm.h"
//#include "mm/vmm.h"
#include "mm/vmm.h"
#include "sched/sched.h"
#include "sys/arch/x86_64/pic.h"
#include "sys/arch/x86_64/rtc.h"
#include "sys/log.h"
//#include "sys/sched.h"
#include <stdint.h>
#include <sys/arch/x86_64/idt.h>
#include <sys/arch/x86_64/io.h>
//#include <sys/errhand/panic.h>
int pit_millis = 0;
int pit_secs = 0;
struct Idt_StackFrame {
struct Idt_StackFrame* rbp;
uint64_t rip;
}__attribute__((packed));
void dump_backtrace(registers_t *r)
{
log("ints - backtrace : \n");
struct Idt_StackFrame* frame = (struct Idt_StackFrame*)r->rbp;
while (frame) {
log("ints - %s (ip: %p)\n", frame->rip);
frame = frame->rbp;
}
log("ints - <end of backtrace>\n");
}
void pit_handler(registers_t *regs);
void exception_handler(registers_t *regs) {
vmm_load_pagemap(vmm_kernel_pm);
if (regs->int_no < 32) {
//panic(kmode_cpu_exception, regs);
log("ints - %d (RIP: %p, ERR: %d)\n", regs->int_no, regs->rip, regs->err_code);
dump_backtrace(regs);
asm ("cli");
while (1)
asm ("hlt");
}
if (regs->int_no == 1 + 32)
{
if (inb(0x60) & 0x80)
{
pic_ack(regs->int_no - 32);
return;
}
log("ints - keyboard\n");
}
else if (regs->int_no == 32 + 8) {
rtc_handle_interrupt(regs);
}
else if (regs->int_no == 0x80 - 32 || regs->int_no == 32) {
pit_handler(regs);
}
else if (regs->int_no == 0x80)
{
log("syscall - Hello World! Current process: %s", curr_proc->name);
}
//logln(info, "arch/ints", "Received interrupt %d\n", regs->int_no);
pic_ack(regs->int_no - 32);
}