diff options
Diffstat (limited to 'src/mem/cache/cache.hh')
| -rw-r--r-- | src/mem/cache/cache.hh | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/src/mem/cache/cache.hh b/src/mem/cache/cache.hh index 3d439caa7..577eab664 100644 --- a/src/mem/cache/cache.hh +++ b/src/mem/cache/cache.hh @@ -300,12 +300,19 @@ class Cache : public BaseCache bool already_copied, bool pending_inval); /** - * Sets the blk to the new state. - * @param blk The cache block being snooped. - * @param new_state The new coherence state for the block. + * Perform an upward snoop if needed, and update the block state + * (possibly invalidating the block). Also create a response if required. + * + * @param pkt Snoop packet + * @param blk Cache block being snooped + * @param is_timing Timing or atomic for the response + * @param is_deferred Is this a deferred snoop or not? + * @param pending_inval Do we have a pending invalidation? + * + * @return The snoop delay incurred by the upwards snoop */ - void handleSnoop(PacketPtr ptk, CacheBlk *blk, - bool is_timing, bool is_deferred, bool pending_inval); + uint32_t handleSnoop(PacketPtr pkt, CacheBlk *blk, + bool is_timing, bool is_deferred, bool pending_inval); /** * Create a writeback request for the given block. |