tsunami_pchip.cc (9808:13ffc0066b76) tsunami_pchip.cc (10565:23593fdaadcd)
1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Ali Saidi
29 * Andrew Schultz
30 */
31
32/** @file
33 * Tsunami PChip (pci)
34 */
35
36#include <deque>
37#include <string>
38#include <vector>
39
40#include "base/trace.hh"
41#include "config/the_isa.hh"
42#include "debug/Tsunami.hh"
43#include "dev/alpha/tsunami.hh"
44#include "dev/alpha/tsunami_pchip.hh"
45#include "dev/alpha/tsunamireg.h"
46#include "mem/packet.hh"
47#include "mem/packet_access.hh"
48#include "sim/system.hh"
49
50using namespace std;
51//Should this be AlphaISA?
52using namespace TheISA;
53
54TsunamiPChip::TsunamiPChip(const Params *p)
55 : BasicPioDevice(p, 0x1000)
56{
57 for (int i = 0; i < 4; i++) {
58 wsba[i] = 0;
59 wsm[i] = 0;
60 tba[i] = 0;
61 }
62
63 // initialize pchip control register
64 pctl = (ULL(0x1) << 20) | (ULL(0x1) << 32) | (ULL(0x2) << 36);
65
66 //Set back pointer in tsunami
67 p->tsunami->pchip = this;
68}
69
70Tick
71TsunamiPChip::read(PacketPtr pkt)
72{
73 assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize);
74
1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Ali Saidi
29 * Andrew Schultz
30 */
31
32/** @file
33 * Tsunami PChip (pci)
34 */
35
36#include <deque>
37#include <string>
38#include <vector>
39
40#include "base/trace.hh"
41#include "config/the_isa.hh"
42#include "debug/Tsunami.hh"
43#include "dev/alpha/tsunami.hh"
44#include "dev/alpha/tsunami_pchip.hh"
45#include "dev/alpha/tsunamireg.h"
46#include "mem/packet.hh"
47#include "mem/packet_access.hh"
48#include "sim/system.hh"
49
50using namespace std;
51//Should this be AlphaISA?
52using namespace TheISA;
53
54TsunamiPChip::TsunamiPChip(const Params *p)
55 : BasicPioDevice(p, 0x1000)
56{
57 for (int i = 0; i < 4; i++) {
58 wsba[i] = 0;
59 wsm[i] = 0;
60 tba[i] = 0;
61 }
62
63 // initialize pchip control register
64 pctl = (ULL(0x1) << 20) | (ULL(0x1) << 32) | (ULL(0x2) << 36);
65
66 //Set back pointer in tsunami
67 p->tsunami->pchip = this;
68}
69
70Tick
71TsunamiPChip::read(PacketPtr pkt)
72{
73 assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize);
74
75 pkt->allocate();
76 Addr daddr = (pkt->getAddr() - pioAddr) >> 6;;
77 assert(pkt->getSize() == sizeof(uint64_t));
78
79
80 DPRINTF(Tsunami, "read va=%#x size=%d\n", pkt->getAddr(), pkt->getSize());
81
82 switch(daddr) {
83 case TSDEV_PC_WSBA0:
84 pkt->set(wsba[0]);
85 break;
86 case TSDEV_PC_WSBA1:
87 pkt->set(wsba[1]);
88 break;
89 case TSDEV_PC_WSBA2:
90 pkt->set(wsba[2]);
91 break;
92 case TSDEV_PC_WSBA3:
93 pkt->set(wsba[3]);
94 break;
95 case TSDEV_PC_WSM0:
96 pkt->set(wsm[0]);
97 break;
98 case TSDEV_PC_WSM1:
99 pkt->set(wsm[1]);
100 break;
101 case TSDEV_PC_WSM2:
102 pkt->set(wsm[2]);
103 break;
104 case TSDEV_PC_WSM3:
105 pkt->set(wsm[3]);
106 break;
107 case TSDEV_PC_TBA0:
108 pkt->set(tba[0]);
109 break;
110 case TSDEV_PC_TBA1:
111 pkt->set(tba[1]);
112 break;
113 case TSDEV_PC_TBA2:
114 pkt->set(tba[2]);
115 break;
116 case TSDEV_PC_TBA3:
117 pkt->set(tba[3]);
118 break;
119 case TSDEV_PC_PCTL:
120 pkt->set(pctl);
121 break;
122 case TSDEV_PC_PLAT:
123 panic("PC_PLAT not implemented\n");
124 case TSDEV_PC_RES:
125 panic("PC_RES not implemented\n");
126 case TSDEV_PC_PERROR:
127 pkt->set((uint64_t)0x00);
128 break;
129 case TSDEV_PC_PERRMASK:
130 pkt->set((uint64_t)0x00);
131 break;
132 case TSDEV_PC_PERRSET:
133 panic("PC_PERRSET not implemented\n");
134 case TSDEV_PC_TLBIV:
135 panic("PC_TLBIV not implemented\n");
136 case TSDEV_PC_TLBIA:
137 pkt->set((uint64_t)0x00); // shouldn't be readable, but linux
138 break;
139 case TSDEV_PC_PMONCTL:
140 panic("PC_PMONCTL not implemented\n");
141 case TSDEV_PC_PMONCNT:
142 panic("PC_PMONCTN not implemented\n");
143 default:
144 panic("Default in PChip Read reached reading 0x%x\n", daddr);
145 }
146 pkt->makeAtomicResponse();
147 return pioDelay;
148
149}
150
151Tick
152TsunamiPChip::write(PacketPtr pkt)
153{
154 assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize);
155 Addr daddr = (pkt->getAddr() - pioAddr) >> 6;
156
157 assert(pkt->getSize() == sizeof(uint64_t));
158
159 DPRINTF(Tsunami, "write - va=%#x size=%d \n", pkt->getAddr(), pkt->getSize());
160
161 switch(daddr) {
162 case TSDEV_PC_WSBA0:
163 wsba[0] = pkt->get<uint64_t>();
164 break;
165 case TSDEV_PC_WSBA1:
166 wsba[1] = pkt->get<uint64_t>();
167 break;
168 case TSDEV_PC_WSBA2:
169 wsba[2] = pkt->get<uint64_t>();
170 break;
171 case TSDEV_PC_WSBA3:
172 wsba[3] = pkt->get<uint64_t>();
173 break;
174 case TSDEV_PC_WSM0:
175 wsm[0] = pkt->get<uint64_t>();
176 break;
177 case TSDEV_PC_WSM1:
178 wsm[1] = pkt->get<uint64_t>();
179 break;
180 case TSDEV_PC_WSM2:
181 wsm[2] = pkt->get<uint64_t>();
182 break;
183 case TSDEV_PC_WSM3:
184 wsm[3] = pkt->get<uint64_t>();
185 break;
186 case TSDEV_PC_TBA0:
187 tba[0] = pkt->get<uint64_t>();
188 break;
189 case TSDEV_PC_TBA1:
190 tba[1] = pkt->get<uint64_t>();
191 break;
192 case TSDEV_PC_TBA2:
193 tba[2] = pkt->get<uint64_t>();
194 break;
195 case TSDEV_PC_TBA3:
196 tba[3] = pkt->get<uint64_t>();
197 break;
198 case TSDEV_PC_PCTL:
199 pctl = pkt->get<uint64_t>();
200 break;
201 case TSDEV_PC_PLAT:
202 panic("PC_PLAT not implemented\n");
203 case TSDEV_PC_RES:
204 panic("PC_RES not implemented\n");
205 case TSDEV_PC_PERROR:
206 break;
207 case TSDEV_PC_PERRMASK:
208 panic("PC_PERRMASK not implemented\n");
209 case TSDEV_PC_PERRSET:
210 panic("PC_PERRSET not implemented\n");
211 case TSDEV_PC_TLBIV:
212 panic("PC_TLBIV not implemented\n");
213 case TSDEV_PC_TLBIA:
214 break; // value ignored, supposted to invalidate SG TLB
215 case TSDEV_PC_PMONCTL:
216 panic("PC_PMONCTL not implemented\n");
217 case TSDEV_PC_PMONCNT:
218 panic("PC_PMONCTN not implemented\n");
219 default:
220 panic("Default in PChip write reached reading 0x%x\n", daddr);
221
222 } // uint64_t
223
224 pkt->makeAtomicResponse();
225 return pioDelay;
226}
227
228#define DMA_ADDR_MASK ULL(0x3ffffffff)
229
230Addr
231TsunamiPChip::translatePciToDma(Addr busAddr)
232{
233 // compare the address to the window base registers
234 uint64_t tbaMask = 0;
235 uint64_t baMask = 0;
236
237 uint64_t windowMask = 0;
238 uint64_t windowBase = 0;
239
240 uint64_t pteEntry = 0;
241
242 Addr pteAddr;
243 Addr dmaAddr;
244
245#if 0
246 DPRINTF(IdeDisk, "Translation for bus address: %#x\n", busAddr);
247 for (int i = 0; i < 4; i++) {
248 DPRINTF(IdeDisk, "(%d) base:%#x mask:%#x\n",
249 i, wsba[i], wsm[i]);
250
251 windowBase = wsba[i];
252 windowMask = ~wsm[i] & (ULL(0xfff) << 20);
253
254 if ((busAddr & windowMask) == (windowBase & windowMask)) {
255 DPRINTF(IdeDisk, "Would have matched %d (wb:%#x wm:%#x --> ba&wm:%#x wb&wm:%#x)\n",
256 i, windowBase, windowMask, (busAddr & windowMask),
257 (windowBase & windowMask));
258 }
259 }
260#endif
261
262 for (int i = 0; i < 4; i++) {
263
264 windowBase = wsba[i];
265 windowMask = ~wsm[i] & (ULL(0xfff) << 20);
266
267 if ((busAddr & windowMask) == (windowBase & windowMask)) {
268
269 if (wsba[i] & 0x1) { // see if enabled
270 if (wsba[i] & 0x2) { // see if SG bit is set
271 /** @todo
272 This currently is faked by just doing a direct
273 read from memory, however, to be realistic, this
274 needs to actually do a bus transaction. The process
275 is explained in the tsunami documentation on page
276 10-12 and basically munges the address to look up a
277 PTE from a table in memory and then uses that mapping
278 to create an address for the SG page
279 */
280
281 tbaMask = ~(((wsm[i] & (ULL(0xfff) << 20)) >> 10) | ULL(0x3ff));
282 baMask = (wsm[i] & (ULL(0xfff) << 20)) | (ULL(0x7f) << 13);
283 pteAddr = (tba[i] & tbaMask) | ((busAddr & baMask) >> 10);
284
285 sys->physProxy.readBlob(pteAddr, (uint8_t*)&pteEntry,
286 sizeof(uint64_t));
287
288 dmaAddr = ((pteEntry & ~ULL(0x1)) << 12) | (busAddr & ULL(0x1fff));
289
290 } else {
291 baMask = (wsm[i] & (ULL(0xfff) << 20)) | ULL(0xfffff);
292 tbaMask = ~baMask;
293 dmaAddr = (tba[i] & tbaMask) | (busAddr & baMask);
294 }
295
296 return (dmaAddr & DMA_ADDR_MASK);
297 }
298 }
299 }
300
301 // if no match was found, then return the original address
302 return busAddr;
303}
304
305Addr
306TsunamiPChip::calcConfigAddr(int bus, int dev, int func)
307{
308 assert(func < 8);
309 assert(dev < 32);
310 assert(bus == 0);
311
312 return TsunamiPciBus0Config | (func << 8) | (dev << 11);
313}
314
315Addr
316TsunamiPChip::calcIOAddr(Addr addr)
317{
318 return TSUNAMI_PCI0_IO + addr;
319}
320
321Addr
322TsunamiPChip::calcMemAddr(Addr addr)
323{
324 return TSUNAMI_PCI0_MEMORY + addr;
325}
326
327void
328TsunamiPChip::serialize(std::ostream &os)
329{
330 SERIALIZE_SCALAR(pctl);
331 SERIALIZE_ARRAY(wsba, 4);
332 SERIALIZE_ARRAY(wsm, 4);
333 SERIALIZE_ARRAY(tba, 4);
334}
335
336void
337TsunamiPChip::unserialize(Checkpoint *cp, const std::string &section)
338{
339 UNSERIALIZE_SCALAR(pctl);
340 UNSERIALIZE_ARRAY(wsba, 4);
341 UNSERIALIZE_ARRAY(wsm, 4);
342 UNSERIALIZE_ARRAY(tba, 4);
343}
344
345
346TsunamiPChip *
347TsunamiPChipParams::create()
348{
349 return new TsunamiPChip(this);
350}
75 Addr daddr = (pkt->getAddr() - pioAddr) >> 6;;
76 assert(pkt->getSize() == sizeof(uint64_t));
77
78
79 DPRINTF(Tsunami, "read va=%#x size=%d\n", pkt->getAddr(), pkt->getSize());
80
81 switch(daddr) {
82 case TSDEV_PC_WSBA0:
83 pkt->set(wsba[0]);
84 break;
85 case TSDEV_PC_WSBA1:
86 pkt->set(wsba[1]);
87 break;
88 case TSDEV_PC_WSBA2:
89 pkt->set(wsba[2]);
90 break;
91 case TSDEV_PC_WSBA3:
92 pkt->set(wsba[3]);
93 break;
94 case TSDEV_PC_WSM0:
95 pkt->set(wsm[0]);
96 break;
97 case TSDEV_PC_WSM1:
98 pkt->set(wsm[1]);
99 break;
100 case TSDEV_PC_WSM2:
101 pkt->set(wsm[2]);
102 break;
103 case TSDEV_PC_WSM3:
104 pkt->set(wsm[3]);
105 break;
106 case TSDEV_PC_TBA0:
107 pkt->set(tba[0]);
108 break;
109 case TSDEV_PC_TBA1:
110 pkt->set(tba[1]);
111 break;
112 case TSDEV_PC_TBA2:
113 pkt->set(tba[2]);
114 break;
115 case TSDEV_PC_TBA3:
116 pkt->set(tba[3]);
117 break;
118 case TSDEV_PC_PCTL:
119 pkt->set(pctl);
120 break;
121 case TSDEV_PC_PLAT:
122 panic("PC_PLAT not implemented\n");
123 case TSDEV_PC_RES:
124 panic("PC_RES not implemented\n");
125 case TSDEV_PC_PERROR:
126 pkt->set((uint64_t)0x00);
127 break;
128 case TSDEV_PC_PERRMASK:
129 pkt->set((uint64_t)0x00);
130 break;
131 case TSDEV_PC_PERRSET:
132 panic("PC_PERRSET not implemented\n");
133 case TSDEV_PC_TLBIV:
134 panic("PC_TLBIV not implemented\n");
135 case TSDEV_PC_TLBIA:
136 pkt->set((uint64_t)0x00); // shouldn't be readable, but linux
137 break;
138 case TSDEV_PC_PMONCTL:
139 panic("PC_PMONCTL not implemented\n");
140 case TSDEV_PC_PMONCNT:
141 panic("PC_PMONCTN not implemented\n");
142 default:
143 panic("Default in PChip Read reached reading 0x%x\n", daddr);
144 }
145 pkt->makeAtomicResponse();
146 return pioDelay;
147
148}
149
150Tick
151TsunamiPChip::write(PacketPtr pkt)
152{
153 assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize);
154 Addr daddr = (pkt->getAddr() - pioAddr) >> 6;
155
156 assert(pkt->getSize() == sizeof(uint64_t));
157
158 DPRINTF(Tsunami, "write - va=%#x size=%d \n", pkt->getAddr(), pkt->getSize());
159
160 switch(daddr) {
161 case TSDEV_PC_WSBA0:
162 wsba[0] = pkt->get<uint64_t>();
163 break;
164 case TSDEV_PC_WSBA1:
165 wsba[1] = pkt->get<uint64_t>();
166 break;
167 case TSDEV_PC_WSBA2:
168 wsba[2] = pkt->get<uint64_t>();
169 break;
170 case TSDEV_PC_WSBA3:
171 wsba[3] = pkt->get<uint64_t>();
172 break;
173 case TSDEV_PC_WSM0:
174 wsm[0] = pkt->get<uint64_t>();
175 break;
176 case TSDEV_PC_WSM1:
177 wsm[1] = pkt->get<uint64_t>();
178 break;
179 case TSDEV_PC_WSM2:
180 wsm[2] = pkt->get<uint64_t>();
181 break;
182 case TSDEV_PC_WSM3:
183 wsm[3] = pkt->get<uint64_t>();
184 break;
185 case TSDEV_PC_TBA0:
186 tba[0] = pkt->get<uint64_t>();
187 break;
188 case TSDEV_PC_TBA1:
189 tba[1] = pkt->get<uint64_t>();
190 break;
191 case TSDEV_PC_TBA2:
192 tba[2] = pkt->get<uint64_t>();
193 break;
194 case TSDEV_PC_TBA3:
195 tba[3] = pkt->get<uint64_t>();
196 break;
197 case TSDEV_PC_PCTL:
198 pctl = pkt->get<uint64_t>();
199 break;
200 case TSDEV_PC_PLAT:
201 panic("PC_PLAT not implemented\n");
202 case TSDEV_PC_RES:
203 panic("PC_RES not implemented\n");
204 case TSDEV_PC_PERROR:
205 break;
206 case TSDEV_PC_PERRMASK:
207 panic("PC_PERRMASK not implemented\n");
208 case TSDEV_PC_PERRSET:
209 panic("PC_PERRSET not implemented\n");
210 case TSDEV_PC_TLBIV:
211 panic("PC_TLBIV not implemented\n");
212 case TSDEV_PC_TLBIA:
213 break; // value ignored, supposted to invalidate SG TLB
214 case TSDEV_PC_PMONCTL:
215 panic("PC_PMONCTL not implemented\n");
216 case TSDEV_PC_PMONCNT:
217 panic("PC_PMONCTN not implemented\n");
218 default:
219 panic("Default in PChip write reached reading 0x%x\n", daddr);
220
221 } // uint64_t
222
223 pkt->makeAtomicResponse();
224 return pioDelay;
225}
226
227#define DMA_ADDR_MASK ULL(0x3ffffffff)
228
229Addr
230TsunamiPChip::translatePciToDma(Addr busAddr)
231{
232 // compare the address to the window base registers
233 uint64_t tbaMask = 0;
234 uint64_t baMask = 0;
235
236 uint64_t windowMask = 0;
237 uint64_t windowBase = 0;
238
239 uint64_t pteEntry = 0;
240
241 Addr pteAddr;
242 Addr dmaAddr;
243
244#if 0
245 DPRINTF(IdeDisk, "Translation for bus address: %#x\n", busAddr);
246 for (int i = 0; i < 4; i++) {
247 DPRINTF(IdeDisk, "(%d) base:%#x mask:%#x\n",
248 i, wsba[i], wsm[i]);
249
250 windowBase = wsba[i];
251 windowMask = ~wsm[i] & (ULL(0xfff) << 20);
252
253 if ((busAddr & windowMask) == (windowBase & windowMask)) {
254 DPRINTF(IdeDisk, "Would have matched %d (wb:%#x wm:%#x --> ba&wm:%#x wb&wm:%#x)\n",
255 i, windowBase, windowMask, (busAddr & windowMask),
256 (windowBase & windowMask));
257 }
258 }
259#endif
260
261 for (int i = 0; i < 4; i++) {
262
263 windowBase = wsba[i];
264 windowMask = ~wsm[i] & (ULL(0xfff) << 20);
265
266 if ((busAddr & windowMask) == (windowBase & windowMask)) {
267
268 if (wsba[i] & 0x1) { // see if enabled
269 if (wsba[i] & 0x2) { // see if SG bit is set
270 /** @todo
271 This currently is faked by just doing a direct
272 read from memory, however, to be realistic, this
273 needs to actually do a bus transaction. The process
274 is explained in the tsunami documentation on page
275 10-12 and basically munges the address to look up a
276 PTE from a table in memory and then uses that mapping
277 to create an address for the SG page
278 */
279
280 tbaMask = ~(((wsm[i] & (ULL(0xfff) << 20)) >> 10) | ULL(0x3ff));
281 baMask = (wsm[i] & (ULL(0xfff) << 20)) | (ULL(0x7f) << 13);
282 pteAddr = (tba[i] & tbaMask) | ((busAddr & baMask) >> 10);
283
284 sys->physProxy.readBlob(pteAddr, (uint8_t*)&pteEntry,
285 sizeof(uint64_t));
286
287 dmaAddr = ((pteEntry & ~ULL(0x1)) << 12) | (busAddr & ULL(0x1fff));
288
289 } else {
290 baMask = (wsm[i] & (ULL(0xfff) << 20)) | ULL(0xfffff);
291 tbaMask = ~baMask;
292 dmaAddr = (tba[i] & tbaMask) | (busAddr & baMask);
293 }
294
295 return (dmaAddr & DMA_ADDR_MASK);
296 }
297 }
298 }
299
300 // if no match was found, then return the original address
301 return busAddr;
302}
303
304Addr
305TsunamiPChip::calcConfigAddr(int bus, int dev, int func)
306{
307 assert(func < 8);
308 assert(dev < 32);
309 assert(bus == 0);
310
311 return TsunamiPciBus0Config | (func << 8) | (dev << 11);
312}
313
314Addr
315TsunamiPChip::calcIOAddr(Addr addr)
316{
317 return TSUNAMI_PCI0_IO + addr;
318}
319
320Addr
321TsunamiPChip::calcMemAddr(Addr addr)
322{
323 return TSUNAMI_PCI0_MEMORY + addr;
324}
325
326void
327TsunamiPChip::serialize(std::ostream &os)
328{
329 SERIALIZE_SCALAR(pctl);
330 SERIALIZE_ARRAY(wsba, 4);
331 SERIALIZE_ARRAY(wsm, 4);
332 SERIALIZE_ARRAY(tba, 4);
333}
334
335void
336TsunamiPChip::unserialize(Checkpoint *cp, const std::string &section)
337{
338 UNSERIALIZE_SCALAR(pctl);
339 UNSERIALIZE_ARRAY(wsba, 4);
340 UNSERIALIZE_ARRAY(wsm, 4);
341 UNSERIALIZE_ARRAY(tba, 4);
342}
343
344
345TsunamiPChip *
346TsunamiPChipParams::create()
347{
348 return new TsunamiPChip(this);
349}