void AbstractICache::invalidate_range(address start, int nbytes) {
static bool firstTime = true;
if (firstTime) {
guarantee(start == CAST_FROM_FN_PTR(address, _flush_icache_stub),
"first flush should be for flush stub");
firstTime = false;
return;
}
if (nbytes == 0) {
return;
}
// Align start address to an icache line boundary and transform
// nbytes to an icache line count.
const uint line_offset = mask_address_bits(start, ICache::line_size-1);
if (line_offset != 0) {
start -= line_offset;
nbytes += line_offset;
}
call_flush_stub(start, round_to(nbytes, ICache::line_size) >>
ICache::log2_line_size);
}
static void ppc64_flush_icache_bytes(address start, int bytes) {
// Align start address to an icache line boundary and transform
// nbytes to an icache line count.
const uint line_offset = mask_address_bits(start, line_size - 1);
ppc64_flush_icache(start - line_offset, (bytes + line_offset + line_size - 1) >> log2_line_size, 0);
}
