diff options
Diffstat (limited to 'src/mem/packet.hh')
| -rw-r--r-- | src/mem/packet.hh | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/mem/packet.hh b/src/mem/packet.hh index 5fcd9286e..be0c20d42 100644 --- a/src/mem/packet.hh +++ b/src/mem/packet.hh @@ -103,6 +103,8 @@ class MemCmd NetworkNackError, // nacked at network layer (not by protocol) InvalidDestError, // packet dest field invalid BadAddressError, // memory address invalid + FunctionalReadError, // unable to fulfill functional read + FunctionalWriteError, // unable to fulfill functional write // Fake simulator-only commands PrintReq, // Print state matching address FlushReq, //request for a cache flush @@ -240,6 +242,9 @@ class Packet : public FastAlloc, public Printable /// the data pointer points to an array (thus delete []) needs to /// be called on it rather than simply delete. static const FlagsType ARRAY_DATA = 0x00004000; + /// suppress the error if this packet encounters a functional + /// access failure. + static const FlagsType SUPPRESS_FUNC_ERROR = 0x00008000; Flags flags; @@ -428,6 +433,8 @@ class Packet : public FastAlloc, public Printable void setSupplyExclusive() { flags.set(SUPPLY_EXCLUSIVE); } void clearSupplyExclusive() { flags.clear(SUPPLY_EXCLUSIVE); } bool isSupplyExclusive() { return flags.isSet(SUPPLY_EXCLUSIVE); } + void setSuppressFuncError() { flags.set(SUPPRESS_FUNC_ERROR); } + bool suppressFuncError() { return flags.isSet(SUPPRESS_FUNC_ERROR); } // Network error conditions... encapsulate them as methods since // their encoding keeps changing (from result field to command @@ -617,6 +624,18 @@ class Packet : public FastAlloc, public Printable makeResponse(); } + void + setFunctionalResponseStatus(bool success) + { + if (!success) { + if (isWrite()) { + cmd = MemCmd::FunctionalWriteError; + } else { + cmd = MemCmd::FunctionalReadError; + } + } + } + /** * Take a request packet that has been returned as NACKED and * modify it so that it can be sent out again. Only packets that |