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| author | Gabe Black <gblack@eecs.umich.edu> | 2006-10-05 16:26:16 -0400 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2006-10-05 16:26:16 -0400 |
| commit | d9172c8f462511cde474040581063180be18540a (patch) | |
| tree | 9bff3f3dc9e1ea6d5ee18398d8ca543feb0eb4dc /src/mem/packet.hh | |
| parent | 51c8eab7b336a6c83e545b741cb975883fe56440 (diff) | |
| download | gem5-d9172c8f462511cde474040581063180be18540a.tar.xz | |
Partial reimplementation of the bus. The "clock" and "width" parameters have been added, and the HasData flag has been partially added to packets.
--HG--
extra : convert_revision : abb2a259fcf843457abbc0bd36f9504fbe6d7d39
Diffstat (limited to 'src/mem/packet.hh')
| -rw-r--r-- | src/mem/packet.hh | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/src/mem/packet.hh b/src/mem/packet.hh index c7d28010c..b14343b47 100644 --- a/src/mem/packet.hh +++ b/src/mem/packet.hh @@ -174,7 +174,8 @@ class Packet IsResponse = 1 << 5, NeedsResponse = 1 << 6, IsSWPrefetch = 1 << 7, - IsHWPrefetch = 1 << 8 + IsHWPrefetch = 1 << 8, + HasData = 1 << 9 }; public: @@ -183,21 +184,24 @@ class Packet { InvalidCmd = 0, ReadReq = IsRead | IsRequest | NeedsResponse, - WriteReq = IsWrite | IsRequest | NeedsResponse, - WriteReqNoAck = IsWrite | IsRequest, - ReadResp = IsRead | IsResponse | NeedsResponse, + WriteReq = IsWrite | IsRequest | NeedsResponse,// | HasData, + WriteReqNoAck = IsWrite | IsRequest,// | HasData, + ReadResp = IsRead | IsResponse | NeedsResponse,// | HasData, WriteResp = IsWrite | IsResponse | NeedsResponse, - Writeback = IsWrite | IsRequest, + Writeback = IsWrite | IsRequest,// | HasData, SoftPFReq = IsRead | IsRequest | IsSWPrefetch | NeedsResponse, HardPFReq = IsRead | IsRequest | IsHWPrefetch | NeedsResponse, - SoftPFResp = IsRead | IsResponse | IsSWPrefetch | NeedsResponse, - HardPFResp = IsRead | IsResponse | IsHWPrefetch | NeedsResponse, + SoftPFResp = IsRead | IsResponse | IsSWPrefetch + | NeedsResponse,// | HasData, + HardPFResp = IsRead | IsResponse | IsHWPrefetch + | NeedsResponse,// | HasData, InvalidateReq = IsInvalidate | IsRequest, - WriteInvalidateReq = IsWrite | IsInvalidate | IsRequest, + WriteInvalidateReq = IsWrite | IsInvalidate | IsRequest,// | HasData, UpgradeReq = IsInvalidate | IsRequest | NeedsResponse, UpgradeResp = IsInvalidate | IsResponse | NeedsResponse, ReadExReq = IsRead | IsInvalidate | IsRequest | NeedsResponse, - ReadExResp = IsRead | IsInvalidate | IsResponse | NeedsResponse + ReadExResp = IsRead | IsInvalidate | IsResponse + | NeedsResponse,// | HasData }; /** Return the string name of the cmd field (for debugging and @@ -219,6 +223,7 @@ class Packet 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 isCacheFill() { return (flags & CACHE_LINE_FILL) != 0; } bool isNoAllocate() { return (flags & NO_ALLOCATE) != 0; } |