abstract_mem.hh (12748:ae5ce8e42de7) abstract_mem.hh (12749:223c83ed9979)
1/*
2 * Copyright (c) 2012 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

--- 65 unchanged lines hidden (view full) ---

74 Addr addr;
75
76 // locking hw context
77 const ContextID contextId;
78
79 static Addr mask(Addr paddr) { return (paddr & ~Addr_Mask); }
80
81 // check for matching execution context
1/*
2 * Copyright (c) 2012 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

--- 65 unchanged lines hidden (view full) ---

74 Addr addr;
75
76 // locking hw context
77 const ContextID contextId;
78
79 static Addr mask(Addr paddr) { return (paddr & ~Addr_Mask); }
80
81 // check for matching execution context
82 bool matchesContext(RequestPtr req) const
82 bool matchesContext(const RequestPtr &req) const
83 {
84 return (contextId == req->contextId());
85 }
86
83 {
84 return (contextId == req->contextId());
85 }
86
87 LockedAddr(RequestPtr req) : addr(mask(req->getPaddr())),
88 contextId(req->contextId())
87 LockedAddr(const RequestPtr &req) : addr(mask(req->getPaddr())),
88 contextId(req->contextId())
89 {}
90
91 // constructor for unserialization use
92 LockedAddr(Addr _addr, int _cid) : addr(_addr), contextId(_cid)
93 {}
94};
95
96/**

--- 38 unchanged lines hidden (view full) ---

135 // Compare a store address with any locked addresses so we can
136 // clear the lock flag appropriately. Return value set to 'false'
137 // if store operation should be suppressed (because it was a
138 // conditional store and the address was no longer locked by the
139 // requesting execution context), 'true' otherwise. Note that
140 // this method must be called on *all* stores since even
141 // non-conditional stores must clear any matching lock addresses.
142 bool writeOK(PacketPtr pkt) {
89 {}
90
91 // constructor for unserialization use
92 LockedAddr(Addr _addr, int _cid) : addr(_addr), contextId(_cid)
93 {}
94};
95
96/**

--- 38 unchanged lines hidden (view full) ---

135 // Compare a store address with any locked addresses so we can
136 // clear the lock flag appropriately. Return value set to 'false'
137 // if store operation should be suppressed (because it was a
138 // conditional store and the address was no longer locked by the
139 // requesting execution context), 'true' otherwise. Note that
140 // this method must be called on *all* stores since even
141 // non-conditional stores must clear any matching lock addresses.
142 bool writeOK(PacketPtr pkt) {
143 RequestPtr req = pkt->req;
143 const RequestPtr &req = pkt->req;
144 if (lockedAddrList.empty()) {
145 // no locked addrs: nothing to check, store_conditional fails
146 bool isLLSC = pkt->isLLSC();
147 if (isLLSC) {
148 req->setExtraData(0);
149 }
150 return !isLLSC; // only do write if not an sc
151 } else {

--- 171 unchanged lines hidden --- 		144 if (lockedAddrList.empty()) {
145 // no locked addrs: nothing to check, store_conditional fails
146 bool isLLSC = pkt->isLLSC();
147 if (isLLSC) {
148 req->setExtraData(0);
149 }
150 return !isLLSC; // only do write if not an sc
151 } else {

--- 171 unchanged lines hidden ---