OpenASIP 2.2
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BusBroker.hh
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1/*
2 Copyright (c) 2002-2009 Tampere University.
3
4 This file is part of TTA-Based Codesign Environment (TCE).
5
6 Permission is hereby granted, free of charge, to any person obtaining a
7 copy of this software and associated documentation files (the "Software"),
8 to deal in the Software without restriction, including without limitation
9 the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 and/or sell copies of the Software, and to permit persons to whom the
11 Software is furnished to do so, subject to the following conditions:
12
13 The above copyright notice and this permission notice shall be included in
14 all copies or substantial portions of the Software.
15
16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 DEALINGS IN THE SOFTWARE.
23 */
24/**
25 * @file BusBroker.hh
26 *
27 * Declaration of BusBroker class.
28 *
29 * @author Ari Mets�halme 2006 (ari.metsahalme-no.spam-tut.fi)
30 * @note rating: red
31 */
32
33#ifndef TTA_BUS_BROKER_HH
34#define TTA_BUS_BROKER_HH
35
36#include "ResourceBroker.hh"
37
38#include <list>
39
40namespace TTAMachine {
41 class Machine;
42 class MachinePart;
43}
44
45namespace TTAProgram {
46 class TerminalImmediate;
47}
48
49class MoveNode;
50class ResourceMapper;
52class BusResource;
55class BasicBlockNode;
56
57/**
58 * Bus broker.
59 */
60class BusBroker : public ResourceBroker {
61public:
63 std::string name,
64 ResourceBroker& ipBroker,
65 ResourceBroker& opBroker,
66 const TTAMachine::Machine& mach,
67 unsigned int initiationInterval = 0);
68 virtual ~BusBroker();
69
70 virtual bool isAnyResourceAvailable(int cycle, const MoveNode& node,
71 const TTAMachine::Bus* bus,
72 const TTAMachine::FunctionUnit* srcFU,
73 const TTAMachine::FunctionUnit* dstFU,
74 int immWriteCycle,
75 const TTAMachine::ImmediateUnit* immu,
76 int immRegIndex)
77 const override;
79 int cycle,
80 const MoveNode& node, const TTAMachine::Bus* bus,
81 const TTAMachine::FunctionUnit* srcFU,
82 const TTAMachine::FunctionUnit* dstFU,
83 int immWriteCycle,
84 const TTAMachine::ImmediateUnit* immu,
85 int immRegIndex) const override;
87 int cycle, const MoveNode& node, const TTAMachine::Bus* bus,
88 const TTAMachine::FunctionUnit* srcFU,
89 const TTAMachine::FunctionUnit* dstFU,
90 int immWriteCycle,
91 const TTAMachine::ImmediateUnit* immu,
92 int immRegIndex) const override;
93 virtual bool isAvailable(
94 SchedulingResource& des, const MoveNode& node, int cycle,
95 const TTAMachine::Bus* bus,
96 const TTAMachine::FunctionUnit* srcFU,
97 const TTAMachine::FunctionUnit* dstFU,
98 int immWriteCycle,
99 const TTAMachine::ImmediateUnit* immu,
100 int immRegIndex) const override;
101 virtual void assign(int cycle, MoveNode& node, SchedulingResource& res,
102 int immWriteCycle,
103 int immRegIndex) override;
104 virtual void unassign(MoveNode& node);
105
106 virtual int earliestCycle(int cycle, const MoveNode& node,
107 const TTAMachine::Bus* bus,
108 const TTAMachine::FunctionUnit* srcFU,
109 const TTAMachine::FunctionUnit* dstFU,
110 int immWriteCycle,
111 const TTAMachine::ImmediateUnit* immu,
112 int immRegIndex) const override;
113 virtual int latestCycle(int cycle, const MoveNode& node,
114 const TTAMachine::Bus* bus,
115 const TTAMachine::FunctionUnit* srcFU,
116 const TTAMachine::FunctionUnit* dstFU,
117 int immWriteCycle,
118 const TTAMachine::ImmediateUnit* immu,
119 int immRegIndex) const override;
120 virtual bool isAlreadyAssigned(
121 int cycle, const MoveNode& node,
122 const TTAMachine::Bus* preassignedBus) const override;
123 virtual bool isApplicable(
124 const MoveNode& node, const TTAMachine::Bus*) const override;
125 virtual void buildResources(const TTAMachine::Machine& target);
126 virtual void setupResourceLinks(const ResourceMapper& mapper);
127
128 virtual bool isBusBroker() const;
129
130 virtual bool canTransportImmediate(
131 const MoveNode& node, const TTAMachine::Bus* preAssigndBus) const;
132 virtual bool isInUse(int cycle, const MoveNode& node) const;
133 virtual bool hasGuard(const MoveNode& node) const;
134 void clear() override;
135 void setCFG(const ControlFlowGraph* cfg) { cfg_ = cfg; }
136 void setBBN(const BasicBlockNode* bbn) { bbn_ = bbn; }
137private:
138 bool jumpToBBN(const MoveNode& mn, BasicBlockNode& bbn) const;
139 bool canPerformSIMMJump(const MoveNode& mn, ShortImmPSocketResource& immRes) const;
140
141 virtual bool canTransportImmediate(
142 const MoveNode& node,
143 ShortImmPSocketResource& immRes) const;
145 BusResource& busRes) const;
146 std::list<SchedulingResource*> shortImmPSocketResources_;
147 std::map<const MoveNode*, bool> busPreassigned_;
154};
155
156#endif
bool jumpToBBN(const MoveNode &mn, BasicBlockNode &bbn) const
const TTAMachine::Machine * mach_
Definition BusBroker.hh:151
virtual ShortImmPSocketResource & findImmResource(BusResource &busRes) const
Definition BusBroker.cc:846
bool hasLimm_
Definition BusBroker.hh:150
virtual bool isAlreadyAssigned(int cycle, const MoveNode &node, const TTAMachine::Bus *preassignedBus) const override
Definition BusBroker.cc:594
ResourceBroker & outputPSocketBroker_
Definition BusBroker.hh:149
void setBBN(const BasicBlockNode *bbn)
Definition BusBroker.hh:136
virtual void setupResourceLinks(const ResourceMapper &mapper)
Definition BusBroker.cc:688
virtual int earliestCycle(int cycle, const MoveNode &node, const TTAMachine::Bus *bus, const TTAMachine::FunctionUnit *srcFU, const TTAMachine::FunctionUnit *dstFU, int immWriteCycle, const TTAMachine::ImmediateUnit *immu, int immRegIndex) const override
Definition BusBroker.cc:550
virtual SchedulingResourceSet allAvailableResources(int cycle, const MoveNode &node, const TTAMachine::Bus *bus, const TTAMachine::FunctionUnit *srcFU, const TTAMachine::FunctionUnit *dstFU, int immWriteCycle, const TTAMachine::ImmediateUnit *immu, int immRegIndex) const override
Definition BusBroker.cc:178
virtual void unassign(MoveNode &node)
Definition BusBroker.cc:522
virtual bool isAvailable(SchedulingResource &des, const MoveNode &node, int cycle, const TTAMachine::Bus *bus, const TTAMachine::FunctionUnit *srcFU, const TTAMachine::FunctionUnit *dstFU, int immWriteCycle, const TTAMachine::ImmediateUnit *immu, int immRegIndex) const override
Definition BusBroker.cc:332
const BasicBlockNode * bbn_
Definition BusBroker.hh:153
virtual ~BusBroker()
Definition BusBroker.cc:86
void clear() override
Definition BusBroker.cc:889
std::list< SchedulingResource * > shortImmPSocketResources_
Definition BusBroker.hh:146
virtual bool canTransportImmediate(const MoveNode &node, const TTAMachine::Bus *preAssigndBus) const
Definition BusBroker.cc:756
virtual void assign(int cycle, MoveNode &node, SchedulingResource &res, int immWriteCycle, int immRegIndex) override
Definition BusBroker.cc:474
virtual bool hasGuard(const MoveNode &node) const
Definition BusBroker.cc:868
const ControlFlowGraph * cfg_
Definition BusBroker.hh:152
virtual bool isAnyResourceAvailable(int cycle, const MoveNode &node, const TTAMachine::Bus *bus, const TTAMachine::FunctionUnit *srcFU, const TTAMachine::FunctionUnit *dstFU, int immWriteCycle, const TTAMachine::ImmediateUnit *immu, int immRegIndex) const override
Definition BusBroker.cc:106
virtual int latestCycle(int cycle, const MoveNode &node, const TTAMachine::Bus *bus, const TTAMachine::FunctionUnit *srcFU, const TTAMachine::FunctionUnit *dstFU, int immWriteCycle, const TTAMachine::ImmediateUnit *immu, int immRegIndex) const override
Definition BusBroker.cc:571
std::map< const MoveNode *, bool > busPreassigned_
Definition BusBroker.hh:147
ResourceBroker & inputPSocketBroker_
Definition BusBroker.hh:148
virtual SchedulingResource & availableResource(int cycle, const MoveNode &node, const TTAMachine::Bus *bus, const TTAMachine::FunctionUnit *srcFU, const TTAMachine::FunctionUnit *dstFU, int immWriteCycle, const TTAMachine::ImmediateUnit *immu, int immRegIndex) const override
Definition BusBroker.cc:141
void setCFG(const ControlFlowGraph *cfg)
Definition BusBroker.hh:135
virtual bool isInUse(int cycle, const MoveNode &node) const
Definition BusBroker.cc:612
virtual void buildResources(const TTAMachine::Machine &target)
Definition BusBroker.cc:646
virtual bool isBusBroker() const
Definition BusBroker.cc:743
virtual bool isApplicable(const MoveNode &node, const TTAMachine::Bus *) const override
Definition BusBroker.cc:632
bool canPerformSIMMJump(const MoveNode &mn, ShortImmPSocketResource &immRes) const
Definition BusBroker.cc:801