/**
* 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);
}
/**
* 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);
}