Ejemplos de ipi_tlb_range_demap en C++ (Cpp)

Ejemplo n.º 1

Archivo: tlb.c Proyecto: DangerDexter/FreeBSD-8.0-dyntick

void
tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end)
{
	vm_offset_t va;
	void *cookie;
	u_long flags;
	register_t s;

	PMAP_STATS_INC(tlb_nrange_demap);
	cookie = ipi_tlb_range_demap(pm, start, end);
	if (pm->pm_active & PCPU_GET(cpumask)) {
		KASSERT(pm->pm_context[curcpu] != -1,
		    ("tlb_range_demap: inactive pmap?"));
		if (pm == kernel_pmap)
			flags = TLB_DEMAP_NUCLEUS | TLB_DEMAP_PAGE;
		else
			flags = TLB_DEMAP_PRIMARY | TLB_DEMAP_PAGE;

		s = intr_disable();
		for (va = start; va < end; va += PAGE_SIZE) {
			stxa(TLB_DEMAP_VA(va) | flags, ASI_DMMU_DEMAP, 0);
			stxa(TLB_DEMAP_VA(va) | flags, ASI_IMMU_DEMAP, 0);
			flush(KERNBASE);
		}
		intr_restore(s);
	}
	ipi_wait(cookie);
}

Ejemplo n.º 2

Archivo: tlb.c Proyecto: MarginC/kame

void
tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end)
{
	vm_offset_t va;
	void *cookie;
	u_long flags;
	u_long s;

	critical_enter();
	cookie = ipi_tlb_range_demap(pm, start, end);
	if (pm->pm_active & PCPU_GET(cpumask)) {
		KASSERT(pm->pm_context[PCPU_GET(cpuid)] != -1,
		    ("tlb_range_demap: inactive pmap?"));
		if (pm == kernel_pmap)
			flags = TLB_DEMAP_NUCLEUS | TLB_DEMAP_PAGE;
		else
			flags = TLB_DEMAP_PRIMARY | TLB_DEMAP_PAGE;
	
		s = intr_disable();
		for (va = start; va < end; va += PAGE_SIZE) {
			stxa(TLB_DEMAP_VA(va) | flags, ASI_DMMU_DEMAP, 0);
			stxa(TLB_DEMAP_VA(va) | flags, ASI_IMMU_DEMAP, 0);
			membar(Sync);
		}
		intr_restore(s);
	}
	ipi_wait(cookie);
	critical_exit();
}