Exemple #1
0
/**
 * mn10300_icache_inv_page - Globally invalidate a page of instruction cache
 * @start: The address of the page of memory to be invalidated.
 *
 * Invalidate a range of addresses in the instruction cache on all CPUs
 * covering the page that includes the given address.
 */
void mn10300_icache_inv_page(unsigned long start)
{
	unsigned long flags;

	start &= ~(PAGE_SIZE-1);

	flags = smp_lock_cache();
	mn10300_local_icache_inv_page(start);
	smp_cache_call(SMP_ICACHE_INV_RANGE, start, start + PAGE_SIZE);
	smp_unlock_cache(flags);
}
Exemple #2
0
/**
 * flush_icache_page - Flush a page from the dcache and invalidate the icache
 * @vma: The VMA the page is part of.
 * @page: The page to be flushed.
 *
 * Write a page back from the dcache and invalidate the icache so that we can
 * run code from it that we've just written into it
 */
void flush_icache_page(struct vm_area_struct *vma, struct page *page)
{
	unsigned long start = page_to_phys(page);
	unsigned long flags;

	flags = smp_lock_cache();

	mn10300_local_dcache_flush_page(start);
	mn10300_local_icache_inv_page(start);

	smp_cache_call(SMP_IDCACHE_INV_FLUSH_RANGE, start, start + PAGE_SIZE);
	smp_unlock_cache(flags);
}