/*
* Shoot down everything.
*/
void
vm_tlbshootdown_all(void)
{
spinlock_acquire(&coremap_spinlock);
ct_shootdown_interrupts++;
tlb_clear();
ct_shootdowns_done += NUM_TLB;
wchan_wakeall(coremap_shootchan);
spinlock_release(&coremap_spinlock);
}
/*
* mmu_setas: Set current address space in MMU.
*
* Synchronization: takes coremap_spinlock. Does not block.
*/
void
mmu_setas(struct addrspace *as)
{
spinlock_acquire(&coremap_spinlock);
if (as != curcpu->c_vm.cvm_lastas) {
curcpu->c_vm.cvm_lastas = as;
tlb_clear();
}
spinlock_release(&coremap_spinlock);
}
void TLBclear(){
// cprintf("%d | [%s] Clearing TLB (probably because of a context switch) \n",proc->pid, __FUNCTION__);
tlb_clear();
}
