diff options
Diffstat (limited to 'src/mem/protocol/MOESI_CMP_directory-dma.sm')
| -rw-r--r-- | src/mem/protocol/MOESI_CMP_directory-dma.sm | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/src/mem/protocol/MOESI_CMP_directory-dma.sm b/src/mem/protocol/MOESI_CMP_directory-dma.sm index 1a8b3aea9..767a51a1f 100644 --- a/src/mem/protocol/MOESI_CMP_directory-dma.sm +++ b/src/mem/protocol/MOESI_CMP_directory-dma.sm @@ -27,22 +27,26 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -machine(DMA, "DMA Controller") -: DMASequencer * dma_sequencer; - Cycles request_latency := 14; - Cycles response_latency := 14; -{ - MessageBuffer responseFromDir, network="From", virtual_network="2", ordered="false", vnet_type="response"; +machine(DMA, "DMA Controller") + : DMASequencer * dma_sequencer; + Cycles request_latency := 14; + Cycles response_latency := 14; + + MessageBuffer * responseFromDir, network="From", virtual_network="2", + ordered="false", vnet_type="response"; + + MessageBuffer * reqToDir, network="To", virtual_network="1", + ordered="false", vnet_type="request"; + MessageBuffer * respToDir, network="To", virtual_network="2", + ordered="false", vnet_type="dmaresponse"; - MessageBuffer reqToDir, network="To", virtual_network="1", ordered="false", vnet_type="request"; - MessageBuffer respToDir, network="To", virtual_network="2", ordered="false", vnet_type="dmaresponse"; - +{ state_declaration(State, desc="DMA states", default="DMA_State_READY") { READY, AccessPermission:Invalid, desc="Ready to accept a new request"; BUSY_RD, AccessPermission:Busy, desc="Busy: currently processing a request"; BUSY_WR, AccessPermission:Busy, desc="Busy: currently processing a request"; } - + enumeration(Event, desc="DMA events") { ReadRequest, desc="A new read request"; WriteRequest, desc="A new write request"; @@ -293,7 +297,7 @@ machine(DMA, "DMA Controller") } transition(BUSY_WR, All_Acks, READY) { - a_ackCallback; + a_ackCallback; u_sendExclusiveUnblockToDir; w_deallocateTBE; p_popTriggerQueue; |