diff options
Diffstat (limited to 'src/mem/protocol')
-rw-r--r-- | src/mem/protocol/MI_example-cache.sm | 43 | ||||
-rw-r--r-- | src/mem/protocol/MI_example-dir.sm | 67 | ||||
-rw-r--r-- | src/mem/protocol/MI_example-dma.sm | 9 | ||||
-rw-r--r-- | src/mem/protocol/RubySlicc_Types.sm | 1 |
4 files changed, 50 insertions, 70 deletions
diff --git a/src/mem/protocol/MI_example-cache.sm b/src/mem/protocol/MI_example-cache.sm index 2f637e7b7..725ce0ec3 100644 --- a/src/mem/protocol/MI_example-cache.sm +++ b/src/mem/protocol/MI_example-cache.sm @@ -1,7 +1,9 @@ machine(L1Cache, "MI Example L1 Cache") -: int cache_response_latency, - int issue_latency +: Sequencer * sequencer, + CacheMemory * cacheMemory, + int cache_response_latency = 12, + int issue_latency = 2 { // NETWORK BUFFERS @@ -44,7 +46,6 @@ machine(L1Cache, "MI Example L1 Cache") // STRUCTURE DEFINITIONS MessageBuffer mandatoryQueue, ordered="false"; - Sequencer sequencer, factory='RubySystem::getSequencer(m_cfg["sequencer"])'; // CacheEntry structure(Entry, desc="...", interface="AbstractCacheEntry") { @@ -54,17 +55,6 @@ machine(L1Cache, "MI Example L1 Cache") } - external_type(CacheMemory) { - bool cacheAvail(Address); - Address cacheProbe(Address); - void allocate(Address, Entry); - void deallocate(Address); - Entry lookup(Address); - void changePermission(Address, AccessPermission); - bool isTagPresent(Address); - void profileMiss(CacheMsg); - } - // TBE fields structure(TBE, desc="...") { State TBEState, desc="Transient state"; @@ -81,8 +71,6 @@ machine(L1Cache, "MI Example L1 Cache") // STRUCTURES - CacheMemory cacheMemory, factory='RubySystem::getCache(m_cfg["cache"])'; - TBETable TBEs, template_hack="<L1Cache_TBE>"; @@ -100,6 +88,9 @@ machine(L1Cache, "MI Example L1 Cache") } } + Entry getCacheEntry(Address addr), return_by_ref="yes" { + return static_cast(Entry, cacheMemory[addr]); + } State getState(Address addr) { @@ -107,7 +98,7 @@ machine(L1Cache, "MI Example L1 Cache") return TBEs[addr].TBEState; } else if (cacheMemory.isTagPresent(addr)) { - return cacheMemory[addr].CacheState; + return getCacheEntry(addr).CacheState; } else { return State:I; @@ -121,7 +112,7 @@ machine(L1Cache, "MI Example L1 Cache") } if (cacheMemory.isTagPresent(addr)) { - cacheMemory[addr].CacheState := state; + getCacheEntry(addr).CacheState := state; if (state == State:M) { cacheMemory.changePermission(addr, AccessPermission:Read_Write); } else { @@ -207,7 +198,7 @@ machine(L1Cache, "MI Example L1 Cache") out_msg.Type := CoherenceRequestType:PUTX; out_msg.Requestor := machineID; out_msg.Destination.add(map_Address_to_Directory(address)); - out_msg.DataBlk := cacheMemory[address].DataBlk; + out_msg.DataBlk := getCacheEntry(address).DataBlk; out_msg.MessageSize := MessageSizeType:Data; } } @@ -220,7 +211,7 @@ machine(L1Cache, "MI Example L1 Cache") out_msg.Type := CoherenceResponseType:DATA; out_msg.Sender := machineID; out_msg.Destination.add(in_msg.Requestor); - out_msg.DataBlk := cacheMemory[address].DataBlk; + out_msg.DataBlk := getCacheEntry(address).DataBlk; out_msg.MessageSize := MessageSizeType:Response_Data; } } @@ -271,19 +262,19 @@ machine(L1Cache, "MI Example L1 Cache") } action(r_load_hit, "r", desc="Notify sequencer the load completed.") { - DEBUG_EXPR(cacheMemory[address].DataBlk); - sequencer.readCallback(address, cacheMemory[address].DataBlk); + DEBUG_EXPR(getCacheEntry(address).DataBlk); + sequencer.readCallback(address, getCacheEntry(address).DataBlk); } action(s_store_hit, "s", desc="Notify sequencer that store completed.") { - DEBUG_EXPR(cacheMemory[address].DataBlk); - sequencer.writeCallback(address, cacheMemory[address].DataBlk); + DEBUG_EXPR(getCacheEntry(address).DataBlk); + sequencer.writeCallback(address, getCacheEntry(address).DataBlk); } action(u_writeDataToCache, "u", desc="Write data to the cache") { peek(responseNetwork_in, ResponseMsg) { - cacheMemory[address].DataBlk := in_msg.DataBlk; + getCacheEntry(address).DataBlk := in_msg.DataBlk; } } @@ -298,7 +289,7 @@ machine(L1Cache, "MI Example L1 Cache") } action(x_copyDataFromCacheToTBE, "x", desc="Copy data from cache to TBE") { - TBEs[address].DataBlk := cacheMemory[address].DataBlk; + TBEs[address].DataBlk := getCacheEntry(address).DataBlk; } action(z_stall, "z", desc="stall") { diff --git a/src/mem/protocol/MI_example-dir.sm b/src/mem/protocol/MI_example-dir.sm index 1f64d25df..12f7e4552 100644 --- a/src/mem/protocol/MI_example-dir.sm +++ b/src/mem/protocol/MI_example-dir.sm @@ -1,6 +1,8 @@ machine(Directory, "Directory protocol") -: int directory_latency +: DirectoryMemory * directory, + MemoryControl * memBuffer, + int directory_latency = 12 { MessageBuffer forwardFromDir, network="To", virtual_network="2", ordered="false"; @@ -48,24 +50,13 @@ machine(Directory, "Directory protocol") // TYPES // DirectoryEntry - structure(Entry, desc="...") { + structure(Entry, desc="...", interface="AbstractEntry") { State DirectoryState, desc="Directory state"; DataBlock DataBlk, desc="data for the block"; NetDest Sharers, desc="Sharers for this block"; NetDest Owner, desc="Owner of this block"; } - external_type(DirectoryMemory) { - Entry lookup(Address); - bool isPresent(Address); - void invalidateBlock(Address); - } - - external_type(MemoryControl, inport="yes", outport="yes") { - - } - - // TBE entries for DMA requests structure(TBE, desc="TBE entries for outstanding DMA requests") { Address PhysicalAddress, desc="physical address"; @@ -83,17 +74,17 @@ machine(Directory, "Directory protocol") } // ** OBJECTS ** - DirectoryMemory directory, factory='RubySystem::getDirectory(m_cfg["directory"])'; - - MemoryControl memBuffer, factory='RubySystem::getMemoryControl(m_cfg["memory_control"])'; - TBETable TBEs, template_hack="<Directory_TBE>"; + Entry getDirectoryEntry(Address addr), return_by_ref="yes" { + return static_cast(Entry, directory[addr]); + } + State getState(Address addr) { if (TBEs.isPresent(addr)) { return TBEs[addr].TBEState; } else if (directory.isPresent(addr)) { - return directory[addr].DirectoryState; + return getDirectoryEntry(addr).DirectoryState; } else { return State:I; } @@ -108,14 +99,14 @@ machine(Directory, "Directory protocol") if (directory.isPresent(addr)) { if (state == State:I) { - assert(directory[addr].Owner.count() == 0); - assert(directory[addr].Sharers.count() == 0); + assert(getDirectoryEntry(addr).Owner.count() == 0); + assert(getDirectoryEntry(addr).Sharers.count() == 0); } else if (state == State:M) { - assert(directory[addr].Owner.count() == 1); - assert(directory[addr].Sharers.count() == 0); + assert(getDirectoryEntry(addr).Owner.count() == 1); + assert(getDirectoryEntry(addr).Sharers.count() == 0); } - directory[addr].DirectoryState := state; + getDirectoryEntry(addr).DirectoryState := state; } } @@ -151,7 +142,7 @@ machine(Directory, "Directory protocol") } else if (in_msg.Type == CoherenceRequestType:GETX) { trigger(Event:GETX, in_msg.Address); } else if (in_msg.Type == CoherenceRequestType:PUTX) { - if (directory[in_msg.Address].Owner.isElement(in_msg.Requestor)) { + if (getDirectoryEntry(in_msg.Address).Owner.isElement(in_msg.Requestor)) { trigger(Event:PUTX, in_msg.Address); } else { trigger(Event:PUTX_NotOwner, in_msg.Address); @@ -219,7 +210,7 @@ machine(Directory, "Directory protocol") } action(c_clearOwner, "c", desc="Clear the owner field") { - directory[address].Owner.clear(); + getDirectoryEntry(address).Owner.clear(); } action(d_sendData, "d", desc="Send data to requestor") { @@ -279,22 +270,22 @@ machine(Directory, "Directory protocol") action(e_ownerIsRequestor, "e", desc="The owner is now the requestor") { peek(requestQueue_in, RequestMsg) { - directory[address].Owner.clear(); - directory[address].Owner.add(in_msg.Requestor); + getDirectoryEntry(address).Owner.clear(); + getDirectoryEntry(address).Owner.add(in_msg.Requestor); } } action(f_forwardRequest, "f", desc="Forward request to owner") { peek(requestQueue_in, RequestMsg) { APPEND_TRANSITION_COMMENT("Own: "); - APPEND_TRANSITION_COMMENT(directory[in_msg.Address].Owner); + APPEND_TRANSITION_COMMENT(getDirectoryEntry(in_msg.Address).Owner); APPEND_TRANSITION_COMMENT("Req: "); APPEND_TRANSITION_COMMENT(in_msg.Requestor); enqueue(forwardNetwork_out, RequestMsg, latency=directory_latency) { out_msg.Address := address; out_msg.Type := in_msg.Type; out_msg.Requestor := in_msg.Requestor; - out_msg.Destination := directory[in_msg.Address].Owner; + out_msg.Destination := getDirectoryEntry(in_msg.Address).Owner; out_msg.MessageSize := MessageSizeType:Writeback_Control; } } @@ -306,7 +297,7 @@ machine(Directory, "Directory protocol") out_msg.Address := address; out_msg.Type := CoherenceRequestType:INV; out_msg.Requestor := machineID; - out_msg.Destination := directory[in_msg.PhysicalAddress].Owner; + out_msg.Destination := getDirectoryEntry(in_msg.PhysicalAddress).Owner; out_msg.MessageSize := MessageSizeType:Writeback_Control; } } @@ -324,13 +315,13 @@ machine(Directory, "Directory protocol") peek(requestQueue_in, RequestMsg) { // assert(in_msg.Dirty); // assert(in_msg.MessageSize == MessageSizeType:Writeback_Data); - directory[in_msg.Address].DataBlk := in_msg.DataBlk; - //directory[in_msg.Address].DataBlk.copyPartial(in_msg.DataBlk, addressOffset(in_msg.Address), in_msg.Len); + getDirectoryEntry(in_msg.Address).DataBlk := in_msg.DataBlk; + //getDirectoryEntry(in_msg.Address).DataBlk.copyPartial(in_msg.DataBlk, addressOffset(in_msg.Address), in_msg.Len); } } action(dwt_writeDMADataFromTBE, "dwt", desc="DMA Write data to memory from TBE") { - directory[address].DataBlk.copyPartial(TBEs[address].DataBlk, addressOffset(TBEs[address].PhysicalAddress), TBEs[address].Len); + getDirectoryEntry(address).DataBlk.copyPartial(TBEs[address].DataBlk, addressOffset(TBEs[address].PhysicalAddress), TBEs[address].Len); } action(v_allocateTBE, "v", desc="Allocate TBE") { @@ -378,7 +369,7 @@ machine(Directory, "Directory protocol") out_msg.Sender := machineID; out_msg.OriginalRequestorMachId := in_msg.Requestor; out_msg.MessageSize := in_msg.MessageSize; - out_msg.DataBlk := directory[in_msg.Address].DataBlk; + out_msg.DataBlk := getDirectoryEntry(in_msg.Address).DataBlk; DEBUG_EXPR(out_msg); } } @@ -392,7 +383,7 @@ machine(Directory, "Directory protocol") out_msg.Sender := machineID; //out_msg.OriginalRequestorMachId := machineID; out_msg.MessageSize := in_msg.MessageSize; - out_msg.DataBlk := directory[address].DataBlk; + out_msg.DataBlk := getDirectoryEntry(address).DataBlk; DEBUG_EXPR(out_msg); } } @@ -453,8 +444,10 @@ machine(Directory, "Directory protocol") } action(w_writeDataToMemoryFromTBE, "\w", desc="Write date to directory memory from TBE") { - //directory[address].DataBlk := TBEs[address].DataBlk; - directory[address].DataBlk.copyPartial(TBEs[address].DataBlk, addressOffset(TBEs[address].PhysicalAddress), TBEs[address].Len); + //getDirectoryEntry(address).DataBlk := TBEs[address].DataBlk; + getDirectoryEntry(address).DataBlk.copyPartial(TBEs[address].DataBlk, + addressOffset(TBEs[address].PhysicalAddress), + TBEs[address].Len); } diff --git a/src/mem/protocol/MI_example-dma.sm b/src/mem/protocol/MI_example-dma.sm index 79c42e719..17060dd4d 100644 --- a/src/mem/protocol/MI_example-dma.sm +++ b/src/mem/protocol/MI_example-dma.sm @@ -1,6 +1,7 @@ machine(DMA, "DMA Controller") -: int request_latency +: DMASequencer * dma_sequencer, + int request_latency { MessageBuffer responseFromDir, network="From", virtual_network="4", ordered="true", no_vector="true"; @@ -19,13 +20,7 @@ machine(DMA, "DMA Controller") Ack, desc="DMA write to memory completed"; } - external_type(DMASequencer) { - void ackCallback(); - void dataCallback(DataBlock); - } - MessageBuffer mandatoryQueue, ordered="false", no_vector="true"; - DMASequencer dma_sequencer, factory='RubySystem::getDMASequencer(m_cfg["dma_sequencer"])', no_vector="true"; State cur_state, no_vector="true"; State getState(Address addr) { diff --git a/src/mem/protocol/RubySlicc_Types.sm b/src/mem/protocol/RubySlicc_Types.sm index 10e3711c5..a724b25da 100644 --- a/src/mem/protocol/RubySlicc_Types.sm +++ b/src/mem/protocol/RubySlicc_Types.sm @@ -103,6 +103,7 @@ external_type(AbstractEntry, primitive="yes"); external_type(DirectoryMemory) { AbstractEntry lookup(Address); bool isPresent(Address); + void invalidateBlock(Address); } external_type(AbstractCacheEntry, primitive="yes"); |