se_translating_port_proxy.cc (12532:a86ce386add1) se_translating_port_proxy.cc (14008:e36048ba1c2c)
1/*
2 * Copyright (c) 2011 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

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56using namespace TheISA;
57
58SETranslatingPortProxy::SETranslatingPortProxy(MasterPort& port, Process *p,
59 AllocType alloc)
60 : PortProxy(port, p->system->cacheLineSize()), pTable(p->pTable),
61 process(p), allocating(alloc)
62{ }
63
1/*
2 * Copyright (c) 2011 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

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

56using namespace TheISA;
57
58SETranslatingPortProxy::SETranslatingPortProxy(MasterPort& port, Process *p,
59 AllocType alloc)
60 : PortProxy(port, p->system->cacheLineSize()), pTable(p->pTable),
61 process(p), allocating(alloc)
62{ }
63
64SETranslatingPortProxy::~SETranslatingPortProxy()
65{ }
66
67bool
68SETranslatingPortProxy::tryReadBlob(Addr addr, uint8_t *p, int size) const
69{
70 int prevSize = 0;
71
72 for (ChunkGenerator gen(addr, size, PageBytes); !gen.done(); gen.next()) {
73 Addr paddr;
74
75 if (!pTable->translate(gen.addr(),paddr))
76 return false;
77
78 PortProxy::readBlobPhys(paddr, 0, p + prevSize, gen.size());
79 prevSize += gen.size();
80 }
81
82 return true;
83}
84
64bool
65SETranslatingPortProxy::tryReadBlob(Addr addr, uint8_t *p, int size) const
66{
67 int prevSize = 0;
68
69 for (ChunkGenerator gen(addr, size, PageBytes); !gen.done(); gen.next()) {
70 Addr paddr;
71
72 if (!pTable->translate(gen.addr(),paddr))
73 return false;
74
75 PortProxy::readBlobPhys(paddr, 0, p + prevSize, gen.size());
76 prevSize += gen.size();
77 }
78
79 return true;
80}
81
85void
86SETranslatingPortProxy::readBlob(Addr addr, uint8_t *p, int size) const
87{
88 if (!tryReadBlob(addr, p, size))
89 fatal("readBlob(0x%x, ...) failed", addr);
90}
91
82
92
93bool
94SETranslatingPortProxy::tryWriteBlob(Addr addr, const uint8_t *p,
95 int size) const
96{
97 int prevSize = 0;
98
99 for (ChunkGenerator gen(addr, size, PageBytes); !gen.done(); gen.next()) {
100 Addr paddr;

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117 PortProxy::writeBlobPhys(paddr, 0, p + prevSize, gen.size());
118 prevSize += gen.size();
119 }
120
121 return true;
122}
123
124
83bool
84SETranslatingPortProxy::tryWriteBlob(Addr addr, const uint8_t *p,
85 int size) const
86{
87 int prevSize = 0;
88
89 for (ChunkGenerator gen(addr, size, PageBytes); !gen.done(); gen.next()) {
90 Addr paddr;

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107 PortProxy::writeBlobPhys(paddr, 0, p + prevSize, gen.size());
108 prevSize += gen.size();
109 }
110
111 return true;
112}
113
114
125void
126SETranslatingPortProxy::writeBlob(Addr addr, const uint8_t *p, int size) const
127{
128 if (!tryWriteBlob(addr, p, size))
129 fatal("writeBlob(0x%x, ...) failed", addr);
130}
131
132bool
133SETranslatingPortProxy::tryMemsetBlob(Addr addr, uint8_t val, int size) const
134{
135 for (ChunkGenerator gen(addr, size, PageBytes); !gen.done(); gen.next()) {
136 Addr paddr;
137
138 if (!pTable->translate(gen.addr(), paddr)) {
139 if (allocating == Always) {

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145 }
146 }
147
148 PortProxy::memsetBlobPhys(paddr, 0, val, gen.size());
149 }
150
151 return true;
152}
115bool
116SETranslatingPortProxy::tryMemsetBlob(Addr addr, uint8_t val, int size) const
117{
118 for (ChunkGenerator gen(addr, size, PageBytes); !gen.done(); gen.next()) {
119 Addr paddr;
120
121 if (!pTable->translate(gen.addr(), paddr)) {
122 if (allocating == Always) {

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128 }
129 }
130
131 PortProxy::memsetBlobPhys(paddr, 0, val, gen.size());
132 }
133
134 return true;
135}
153
154void
155SETranslatingPortProxy::memsetBlob(Addr addr, uint8_t val, int size) const
156{
157 if (!tryMemsetBlob(addr, val, size))
158 fatal("memsetBlob(0x%x, ...) failed", addr);
159}
160
161
162bool
163SETranslatingPortProxy::tryWriteString(Addr addr, const char *str) const
164{
165 uint8_t c;
166
167 Addr vaddr = addr;
168
169 do {
170 c = *str++;
171 Addr paddr;
172
173 if (!pTable->translate(vaddr++, paddr))
174 return false;
175
176 PortProxy::writeBlob(paddr, &c, 1);
177 } while (c);
178
179 return true;
180}
181
182void
183SETranslatingPortProxy::writeString(Addr addr, const char *str) const
184{
185 if (!tryWriteString(addr, str))
186 fatal("writeString(0x%x, ...) failed", addr);
187}
188
189bool
190SETranslatingPortProxy::tryReadString(std::string &str, Addr addr) const
191{
192 uint8_t c;
193
194 Addr vaddr = addr;
195
196 while (true) {
197 Addr paddr;
198
199 if (!pTable->translate(vaddr++, paddr))
200 return false;
201
202 PortProxy::readBlob(paddr, &c, 1);
203 if (c == '\0')
204 break;
205
206 str += c;
207 }
208
209 return true;
210}
211
212void
213SETranslatingPortProxy::readString(std::string &str, Addr addr) const
214{
215 if (!tryReadString(str, addr))
216 fatal("readString(0x%x, ...) failed", addr);
217}
218