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| author | Nikos Nikoleris <nikos.nikoleris@arm.com> | 2017-03-13 18:19:08 +0000 |
|---|---|---|
| committer | Nikos Nikoleris <nikos.nikoleris@arm.com> | 2017-06-13 15:52:32 +0000 |
| commit | 12db50c89584938839e035da47d206250cbfd7c2 (patch) | |
| tree | 831a4151b29cdc14958b8dab2cce97fc3136d7b6 /src/mem/protocol/MOESI_CMP_token-dir.sm | |
| parent | dd3fc1f996679f4cfd29f980d43a0652542e6d9b (diff) | |
| download | gem5-12db50c89584938839e035da47d206250cbfd7c2.tar.xz | |
ruby: Add support for address ranges in the directory
Previously the directory covered a flat address range that always
started from address 0. This change adds a vector of address ranges
with interleaving and hashing that each directory keeps track of and
the necessary flexibility to support systems with non continuous
memory ranges.
Change-Id: I6ea1c629bdf4c5137b7d9c89dbaf6c826adfd977
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/2903
Reviewed-by: Bradford Beckmann <brad.beckmann@amd.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Diffstat (limited to 'src/mem/protocol/MOESI_CMP_token-dir.sm')
| -rw-r--r-- | src/mem/protocol/MOESI_CMP_token-dir.sm | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/mem/protocol/MOESI_CMP_token-dir.sm b/src/mem/protocol/MOESI_CMP_token-dir.sm index c3a585b96..1a749b18d 100644 --- a/src/mem/protocol/MOESI_CMP_token-dir.sm +++ b/src/mem/protocol/MOESI_CMP_token-dir.sm @@ -176,6 +176,7 @@ machine(MachineType:Directory, "Token protocol") Tick cyclesToTicks(Cycles c); void set_tbe(TBE b); void unset_tbe(); + MachineID mapAddressToMachine(Addr addr, MachineType mtype); Entry getDirectoryEntry(Addr addr), return_by_pointer="yes" { Entry dir_entry := static_cast(Entry, "pointer", directory[addr]); @@ -475,7 +476,7 @@ machine(MachineType:Directory, "Token protocol") MachineType:L2Cache, l2_select_low_bit, l2_select_num_bits, intToID(0))); - out_msg.Destination.add(map_Address_to_Directory(address)); + out_msg.Destination.add(mapAddressToMachine(address, MachineType:Directory)); out_msg.MessageSize := MessageSizeType:Persistent_Control; out_msg.Prefetch := PrefetchBit:No; out_msg.AccessMode := RubyAccessMode:Supervisor; @@ -543,7 +544,7 @@ machine(MachineType:Directory, "Token protocol") MachineType:L2Cache, l2_select_low_bit, l2_select_num_bits, intToID(0))); - out_msg.Destination.add(map_Address_to_Directory(address)); + out_msg.Destination.add(mapAddressToMachine(address, MachineType:Directory)); out_msg.MessageSize := MessageSizeType:Persistent_Control; out_msg.Prefetch := PrefetchBit:No; out_msg.AccessMode := RubyAccessMode:Supervisor; @@ -724,7 +725,7 @@ machine(MachineType:Directory, "Token protocol") MachineType:L2Cache, l2_select_low_bit, l2_select_num_bits, intToID(0))); - out_msg.Destination.add(map_Address_to_Directory(address)); + out_msg.Destination.add(mapAddressToMachine(address, MachineType:Directory)); out_msg.MessageSize := MessageSizeType:Persistent_Control; } starving := false; |