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kernel: Patches to run processes in Ring 3.

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This commit is contained in:
RaphProductions 2025-05-07 13:14:18 +02:00
parent 8f6399e309
commit e6a2c1e240
10 changed files with 271 additions and 22 deletions
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12
kernel/src/sys/arch/x86_64/interrupts.c
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@ -39,6 +39,14 @@ void exception_handler(registers_t *regs) {
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);
if(regs->int_no == 0xe) {
uint64_t cr2;
asm ("mov %%cr2, %0" : "=r"(cr2));
log("ints - PF: Faulting location: %p\n", cr2);
log("ints - PF: Faulting page flags: %p\n", vmm_get_flags(vmm_current_pm, cr2));
}
dump_backtrace(regs);
asm ("cli");
while (1)
@ -63,7 +71,9 @@ void exception_handler(registers_t *regs) {
}
else if (regs->int_no == 0x80)
{
log("syscall - Hello World! Current process: %s", curr_proc->name);
log("syscall - Hello World! Current process: %s\n", curr_proc->name);
if (curr_proc->flags == SCHED_USER_PROCESS)
log("syscall - Btw we made it to userspace, baby!\n", curr_proc->name);
}
//logln(info, "arch/ints", "Received interrupt %d\n", regs->int_no);
pic_ack(regs->int_no - 32);