X86GPUTLB.py (11308:7d8836fd043d) X86GPUTLB.py (12697:cd71b966be1e)
1# Copyright (c) 2011-2015 Advanced Micro Devices, Inc.
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2# Copyright (c) 2011-2015 Advanced Micro Devices, Inc.
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30# POSSIBILITY OF SUCH DAMAGE.
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21# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
25# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31# POSSIBILITY OF SUCH DAMAGE.
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33# Author: Lisa Hsu
34#
32# Authors: Lisa Hsu
35
36from m5.defines import buildEnv
37from m5.params import *
38from m5.proxy import *
39
40from m5.objects.MemObject import MemObject
41
42if buildEnv['FULL_SYSTEM']:
43 class X86PagetableWalker(MemObject):
44 type = 'X86PagetableWalker'
45 cxx_class = 'X86ISA::Walker'
46 port = SlavePort("Port for the hardware table walker")
47 system = Param.System(Parent.any, "system object")
48
49class X86GPUTLB(MemObject):
50 type = 'X86GPUTLB'
51 cxx_class = 'X86ISA::GpuTLB'
52 cxx_header = 'gpu-compute/gpu_tlb.hh'
53 size = Param.Int(64, "TLB size (number of entries)")
54 assoc = Param.Int(64, "TLB associativity")
55
56 if buildEnv['FULL_SYSTEM']:
57 walker = Param.X86PagetableWalker(X86PagetableWalker(),
58 "page table walker")
59
60 hitLatency = Param.Int(2, "Latency of a TLB hit")
61 missLatency1 = Param.Int(5, "Latency #1 of a TLB miss")
62 missLatency2 = Param.Int(100, "Latency #2 of a TLB miss")
63 maxOutstandingReqs = Param.Int(64, "# of maximum outstanding requests")
64 slave = VectorSlavePort("Port on side closer to CPU/CU")
65 master = VectorMasterPort("Port on side closer to memory")
66 allocationPolicy = Param.Bool(True, "Allocate on an access")
67 accessDistance = Param.Bool(False, "print accessDistance stats")
68
69class TLBCoalescer(MemObject):
70 type = 'TLBCoalescer'
71 cxx_class = 'TLBCoalescer'
72 cxx_header = 'gpu-compute/tlb_coalescer.hh'
73 probesPerCycle = Param.Int(2, "Number of TLB probes per cycle")
74 coalescingWindow = Param.Int(1, "Permit coalescing across that many ticks")
75 slave = VectorSlavePort("Port on side closer to CPU/CU")
76 master = VectorMasterPort("Port on side closer to memory")
77 disableCoalescing = Param.Bool(False,"Dispable Coalescing")
33
34from m5.defines import buildEnv
35from m5.params import *
36from m5.proxy import *
37
38from m5.objects.MemObject import MemObject
39
40if buildEnv['FULL_SYSTEM']:
41 class X86PagetableWalker(MemObject):
42 type = 'X86PagetableWalker'
43 cxx_class = 'X86ISA::Walker'
44 port = SlavePort("Port for the hardware table walker")
45 system = Param.System(Parent.any, "system object")
46
47class X86GPUTLB(MemObject):
48 type = 'X86GPUTLB'
49 cxx_class = 'X86ISA::GpuTLB'
50 cxx_header = 'gpu-compute/gpu_tlb.hh'
51 size = Param.Int(64, "TLB size (number of entries)")
52 assoc = Param.Int(64, "TLB associativity")
53
54 if buildEnv['FULL_SYSTEM']:
55 walker = Param.X86PagetableWalker(X86PagetableWalker(),
56 "page table walker")
57
58 hitLatency = Param.Int(2, "Latency of a TLB hit")
59 missLatency1 = Param.Int(5, "Latency #1 of a TLB miss")
60 missLatency2 = Param.Int(100, "Latency #2 of a TLB miss")
61 maxOutstandingReqs = Param.Int(64, "# of maximum outstanding requests")
62 slave = VectorSlavePort("Port on side closer to CPU/CU")
63 master = VectorMasterPort("Port on side closer to memory")
64 allocationPolicy = Param.Bool(True, "Allocate on an access")
65 accessDistance = Param.Bool(False, "print accessDistance stats")
66
67class TLBCoalescer(MemObject):
68 type = 'TLBCoalescer'
69 cxx_class = 'TLBCoalescer'
70 cxx_header = 'gpu-compute/tlb_coalescer.hh'
71 probesPerCycle = Param.Int(2, "Number of TLB probes per cycle")
72 coalescingWindow = Param.Int(1, "Permit coalescing across that many ticks")
73 slave = VectorSlavePort("Port on side closer to CPU/CU")
74 master = VectorMasterPort("Port on side closer to memory")
75 disableCoalescing = Param.Bool(False,"Dispable Coalescing")