diff options
Diffstat (limited to 'src/mem/packet.hh')
| -rw-r--r-- | src/mem/packet.hh | 57 |
1 files changed, 33 insertions, 24 deletions
diff --git a/src/mem/packet.hh b/src/mem/packet.hh index 7ede48bfd..48b32ec47 100644 --- a/src/mem/packet.hh +++ b/src/mem/packet.hh @@ -171,17 +171,17 @@ class Packet // as well. enum CommandAttribute { - IsRead = 1 << 0, - IsWrite = 1 << 1, - IsPrefetch = 1 << 2, - IsInvalidate = 1 << 3, - IsRequest = 1 << 4, - IsResponse = 1 << 5, - NeedsResponse = 1 << 6, + IsRead = 1 << 0, + IsWrite = 1 << 1, + IsPrefetch = 1 << 2, + IsInvalidate = 1 << 3, + IsRequest = 1 << 4, + IsResponse = 1 << 5, + NeedsResponse = 1 << 6, IsSWPrefetch = 1 << 7, IsHWPrefetch = 1 << 8, IsUpgrade = 1 << 9, - HasData = 1 << 10 + HasData = 1 << 10 }; public: @@ -189,18 +189,18 @@ class Packet enum Command { InvalidCmd = 0, - ReadReq = IsRead | IsRequest | NeedsResponse, - WriteReq = IsWrite | IsRequest | NeedsResponse | HasData, - WriteReqNoAck = IsWrite | IsRequest | HasData, - ReadResp = IsRead | IsResponse | NeedsResponse | HasData, - WriteResp = IsWrite | IsResponse | NeedsResponse, + ReadReq = IsRead | IsRequest | NeedsResponse, + WriteReq = IsWrite | IsRequest | NeedsResponse | HasData, + WriteReqNoAck = IsWrite | IsRequest | HasData, + ReadResp = IsRead | IsResponse | NeedsResponse | HasData, + WriteResp = IsWrite | IsResponse | NeedsResponse, Writeback = IsWrite | IsRequest | HasData, SoftPFReq = IsRead | IsRequest | IsSWPrefetch | NeedsResponse, HardPFReq = IsRead | IsRequest | IsHWPrefetch | NeedsResponse, SoftPFResp = IsRead | IsResponse | IsSWPrefetch | NeedsResponse | HasData, HardPFResp = IsRead | IsResponse | IsHWPrefetch - | NeedsResponse | HasData, + | NeedsResponse | HasData, InvalidateReq = IsInvalidate | IsRequest, WriteInvalidateReq = IsWrite | IsInvalidate | IsRequest | HasData, UpgradeReq = IsInvalidate | IsRequest | IsUpgrade, @@ -222,17 +222,17 @@ class Packet /** The command field of the packet. */ Command cmd; - bool isRead() { return (cmd & IsRead) != 0; } - bool isWrite() { return (cmd & IsWrite) != 0; } - bool isRequest() { return (cmd & IsRequest) != 0; } - bool isResponse() { return (cmd & IsResponse) != 0; } - bool needsResponse() { return (cmd & NeedsResponse) != 0; } - bool isInvalidate() { return (cmd & IsInvalidate) != 0; } - bool hasData() { return (cmd & HasData) != 0; } + bool isRead() const { return (cmd & IsRead) != 0; } + bool isWrite() const { return (cmd & IsWrite) != 0; } + bool isRequest() const { return (cmd & IsRequest) != 0; } + bool isResponse() const { return (cmd & IsResponse) != 0; } + bool needsResponse() const { return (cmd & NeedsResponse) != 0; } + bool isInvalidate() const { return (cmd & IsInvalidate) != 0; } + bool hasData() const { return (cmd & HasData) != 0; } - bool isCacheFill() { return (flags & CACHE_LINE_FILL) != 0; } - bool isNoAllocate() { return (flags & NO_ALLOCATE) != 0; } - bool isCompressed() { return (flags & COMPRESSED) != 0; } + bool isCacheFill() const { return (flags & CACHE_LINE_FILL) != 0; } + bool isNoAllocate() const { return (flags & NO_ALLOCATE) != 0; } + bool isCompressed() const { return (flags & COMPRESSED) != 0; } bool nic_pkt() { assert("Unimplemented\n" && 0); return false; } @@ -401,5 +401,14 @@ class Packet bool intersect(Packet *p); }; + +/** This function given a functional packet and a timing packet either satisfies + * the timing packet, or updates the timing packet to reflect the updated state + * in the timing packet. It returns if the functional packet should continue to + * traverse the memory hierarchy or not. + */ bool fixPacket(Packet *func, Packet *timing); + +std::ostream & operator<<(std::ostream &o, const Packet &p); + #endif //__MEM_PACKET_HH |