From 7f012ef8dab812ac6dbad0ccafb8a5d22c1f3dcb Mon Sep 17 00:00:00 2001 From: Derek Hower Date: Tue, 4 Aug 2009 23:05:37 -0500 Subject: ruby: made mapAddressToRange based off a bit count --- src/mem/protocol/MOESI_CMP_directory-L1cache.sm | 30 +++++++++++----------- src/mem/ruby/config/MOESI_CMP_directory.rb | 3 +-- .../slicc_interface/RubySlicc_ComponentMapping.hh | 6 +++-- 3 files changed, 20 insertions(+), 19 deletions(-) (limited to 'src/mem') diff --git a/src/mem/protocol/MOESI_CMP_directory-L1cache.sm b/src/mem/protocol/MOESI_CMP_directory-L1cache.sm index 8fe0d3baf..28800b2bd 100644 --- a/src/mem/protocol/MOESI_CMP_directory-L1cache.sm +++ b/src/mem/protocol/MOESI_CMP_directory-L1cache.sm @@ -35,7 +35,7 @@ machine(L1Cache, "Directory protocol") : int request_latency, int l2_select_low_bit, - int l2_select_high_bit + int l2_select_num_bits { // NODE L1 CACHE @@ -412,7 +412,7 @@ if (in_msg.Type == CoherenceRequestType:GETX || in_msg.Type == CoherenceRequestT out_msg.Type := CoherenceRequestType:GETS; out_msg.Requestor := machineID; out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache, - l2_select_low_bit, l2_select_high_bit)); + l2_select_low_bit, l2_select_num_bits)); out_msg.MessageSize := MessageSizeType:Request_Control; out_msg.AccessMode := in_msg.AccessMode; out_msg.Prefetch := in_msg.Prefetch; @@ -427,7 +427,7 @@ if (in_msg.Type == CoherenceRequestType:GETX || in_msg.Type == CoherenceRequestT out_msg.Type := CoherenceRequestType:GETX; out_msg.Requestor := machineID; out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache, - l2_select_low_bit, l2_select_high_bit)); + l2_select_low_bit, l2_select_num_bits)); out_msg.MessageSize := MessageSizeType:Request_Control; out_msg.AccessMode := in_msg.AccessMode; out_msg.Prefetch := in_msg.Prefetch; @@ -442,7 +442,7 @@ if (in_msg.Type == CoherenceRequestType:GETX || in_msg.Type == CoherenceRequestT out_msg.Type := CoherenceRequestType:PUTX; out_msg.Requestor := machineID; out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache, - l2_select_low_bit, l2_select_high_bit)); + l2_select_low_bit, l2_select_num_bits)); out_msg.MessageSize := MessageSizeType:Writeback_Control; } } @@ -454,7 +454,7 @@ if (in_msg.Type == CoherenceRequestType:GETX || in_msg.Type == CoherenceRequestT out_msg.Type := CoherenceRequestType:PUTO; out_msg.Requestor := machineID; out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache, - l2_select_low_bit, l2_select_high_bit)); + l2_select_low_bit, l2_select_num_bits)); out_msg.MessageSize := MessageSizeType:Writeback_Control; } } @@ -466,7 +466,7 @@ if (in_msg.Type == CoherenceRequestType:GETX || in_msg.Type == CoherenceRequestT out_msg.Type := CoherenceRequestType:PUTS; out_msg.Requestor := machineID; out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache, - l2_select_low_bit, l2_select_high_bit)); + l2_select_low_bit, l2_select_num_bits)); out_msg.MessageSize := MessageSizeType:Writeback_Control; } } @@ -479,7 +479,7 @@ if (in_msg.Type == CoherenceRequestType:GETX || in_msg.Type == CoherenceRequestT out_msg.Type := CoherenceResponseType:DATA; out_msg.Sender := machineID; out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache, - l2_select_low_bit, l2_select_high_bit)); + l2_select_low_bit, l2_select_num_bits)); out_msg.DataBlk := getCacheEntry(address).DataBlk; // out_msg.Dirty := getCacheEntry(address).Dirty; out_msg.Dirty := false; @@ -512,7 +512,7 @@ if (in_msg.Type == CoherenceRequestType:GETX || in_msg.Type == CoherenceRequestT out_msg.Type := CoherenceResponseType:DATA; out_msg.Sender := machineID; out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache, - l2_select_low_bit, l2_select_high_bit)); + l2_select_low_bit, l2_select_num_bits)); out_msg.DataBlk := getCacheEntry(address).DataBlk; out_msg.Dirty := getCacheEntry(address).Dirty; out_msg.Acks := 0; // irrelevant @@ -530,7 +530,7 @@ if (in_msg.Type == CoherenceRequestType:GETX || in_msg.Type == CoherenceRequestT out_msg.Sender := machineID; out_msg.SenderMachine := MachineType:L1Cache; out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache, - l2_select_low_bit, l2_select_high_bit)); + l2_select_low_bit, l2_select_num_bits)); out_msg.DataBlk := getCacheEntry(address).DataBlk; out_msg.Dirty := getCacheEntry(address).Dirty; out_msg.Acks := in_msg.Acks; @@ -575,7 +575,7 @@ if (in_msg.Type == CoherenceRequestType:GETX || in_msg.Type == CoherenceRequestT out_msg.Sender := machineID; out_msg.SenderMachine := MachineType:L1Cache; out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache, - l2_select_low_bit, l2_select_high_bit)); + l2_select_low_bit, l2_select_num_bits)); out_msg.Acks := 0 - 1; // -1 out_msg.MessageSize := MessageSizeType:Response_Control; } @@ -589,7 +589,7 @@ if (in_msg.Type == CoherenceRequestType:GETX || in_msg.Type == CoherenceRequestT out_msg.Type := CoherenceResponseType:UNBLOCK; out_msg.Sender := machineID; out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache, - l2_select_low_bit, l2_select_high_bit)); + l2_select_low_bit, l2_select_num_bits)); out_msg.MessageSize := MessageSizeType:Unblock_Control; } } @@ -600,7 +600,7 @@ if (in_msg.Type == CoherenceRequestType:GETX || in_msg.Type == CoherenceRequestT out_msg.Type := CoherenceResponseType:UNBLOCK_EXCLUSIVE; out_msg.Sender := machineID; out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache, - l2_select_low_bit, l2_select_high_bit)); + l2_select_low_bit, l2_select_num_bits)); out_msg.MessageSize := MessageSizeType:Unblock_Control; } } @@ -692,7 +692,7 @@ if (in_msg.Type == CoherenceRequestType:GETX || in_msg.Type == CoherenceRequestT out_msg.Type := CoherenceResponseType:DATA; out_msg.Sender := machineID; out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache, - l2_select_low_bit, l2_select_high_bit)); + l2_select_low_bit, l2_select_num_bits)); out_msg.DataBlk := TBEs[address].DataBlk; // out_msg.Dirty := TBEs[address].Dirty; out_msg.Dirty := false; @@ -723,7 +723,7 @@ if (in_msg.Type == CoherenceRequestType:GETX || in_msg.Type == CoherenceRequestT out_msg.Type := CoherenceResponseType:DATA_EXCLUSIVE; out_msg.Sender := machineID; out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache, - l2_select_low_bit, l2_select_high_bit)); + l2_select_low_bit, l2_select_num_bits)); out_msg.DataBlk := TBEs[address].DataBlk; out_msg.Dirty := TBEs[address].Dirty; out_msg.Acks := in_msg.Acks; @@ -741,7 +741,7 @@ if (in_msg.Type == CoherenceRequestType:GETX || in_msg.Type == CoherenceRequestT out_msg.Sender := machineID; out_msg.SenderMachine := MachineType:L1Cache; out_msg.Destination.add(mapAddressToRange(address, MachineType:L2Cache, - l2_select_low_bit, l2_select_high_bit)); + l2_select_low_bit, l2_select_num_bits)); out_msg.Dirty := TBEs[address].Dirty; if (TBEs[address].Dirty) { out_msg.Type := CoherenceResponseType:WRITEBACK_DIRTY_DATA; diff --git a/src/mem/ruby/config/MOESI_CMP_directory.rb b/src/mem/ruby/config/MOESI_CMP_directory.rb index 936eb8e80..34f7c1776 100644 --- a/src/mem/ruby/config/MOESI_CMP_directory.rb +++ b/src/mem/ruby/config/MOESI_CMP_directory.rb @@ -26,14 +26,13 @@ class MOESI_CMP_directory_L1CacheController < L1CacheController num_block_bits = log_int(RubySystem.block_size_bytes) l2_select_low_bit = num_block_bits - l2_select_high_bit = num_block_bits + num_select_bits - 1 vec = super() vec += " icache " + @icache.obj_name vec += " dcache " + @dcache.obj_name vec += " request_latency "+request_latency().to_s vec += " l2_select_low_bit " + l2_select_low_bit.to_s - vec += " l2_select_high_bit " + l2_select_high_bit.to_s + vec += " l2_select_num_bits " + num_select_bits.to_s return vec end end diff --git a/src/mem/ruby/slicc_interface/RubySlicc_ComponentMapping.hh b/src/mem/ruby/slicc_interface/RubySlicc_ComponentMapping.hh index a6d99ada9..96405c8dd 100644 --- a/src/mem/ruby/slicc_interface/RubySlicc_ComponentMapping.hh +++ b/src/mem/ruby/slicc_interface/RubySlicc_ComponentMapping.hh @@ -86,10 +86,12 @@ MachineID map_Address_to_DMA(const Address & addr) } inline -MachineID mapAddressToRange(const Address & addr, MachineType type, int low_bit, int high_bit) +MachineID mapAddressToRange(const Address & addr, MachineType type, int low_bit, int num_bits) { MachineID mach = {type, 0}; - mach.num = addr.bitSelect(low_bit, high_bit); + if (num_bits == 0) + return mach; + mach.num = addr.bitSelect(low_bit, low_bit+num_bits-1); return mach; } -- cgit v1.2.3