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