diff options
Diffstat (limited to 'src/mem/packet.hh')
| -rw-r--r-- | src/mem/packet.hh | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/mem/packet.hh b/src/mem/packet.hh index 3f10458e7..192136aba 100644 --- a/src/mem/packet.hh +++ b/src/mem/packet.hh @@ -87,6 +87,7 @@ class MemCmd WriteReq, WriteResp, Writeback, + CleanEvict, SoftPFReq, HardPFReq, SoftPFResp, @@ -508,6 +509,7 @@ class Packet : public Printable bool suppressFuncError() const { return flags.isSet(SUPPRESS_FUNC_ERROR); } void setBlockCached() { flags.set(BLOCK_CACHED); } bool isBlockCached() const { return flags.isSet(BLOCK_CACHED); } + void clearBlockCached() { flags.clear(BLOCK_CACHED); } // Network error conditions... encapsulate them as methods since // their encoding keeps changing (from result field to command @@ -937,6 +939,27 @@ class Packet : public Printable } /** + * Is this request notification of a clean or dirty eviction from the cache. + **/ + bool + evictingBlock() const + { + return (cmd == MemCmd::Writeback || + cmd == MemCmd::CleanEvict); + } + + /** + * Does the request need to check for cached copies of the same block + * in the memory hierarchy above. + **/ + bool + mustCheckAbove() const + { + return (cmd == MemCmd::HardPFReq || + evictingBlock()); + } + + /** * Check a functional request against a memory value represented * by a base/size pair and an associated data array. If the * current packet is a read, it may be satisfied by the memory |