Пример #1
0
/*
 * While we're protected against bad userland addresses we don't care
 * very much about what happens in that case.  Usually a segmentation
 * fault will dump the process later on anyway ...
 */
static void r5900_flush_cache_sigtramp(unsigned long addr)
{
	/*
	 * FIXME: What's the point of daddr and iaddr? I don't see any need
	 * for doing the flush on both the addresses _and_ the addresses + the
	 * line size. Am I missing something?
	 */
	unsigned long daddr, iaddr;

	daddr = addr & ~(dc_lsize - 1);

	protected_writeback_dcache_line(daddr);
	protected_writeback_dcache_line(daddr + dc_lsize);
	iaddr = addr & ~(ic_lsize - 1);
	protected_flush_icache_line(iaddr);
	protected_flush_icache_line(iaddr + ic_lsize);
}
Пример #2
0
/*
 * While we're protected against bad userland addresses we don't care
 * very much about what happens in that case.  Usually a segmentation
 * fault will dump the process later on anyway ...
 */
static void r4k_flush_cache_sigtramp(unsigned long addr)
{
    protected_writeback_dcache_line(addr & ~(dc_lsize - 1));
    protected_flush_icache_line(addr & ~(ic_lsize - 1));
}