1/*
2 * Copyright (c) 2002-2005 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: Ron Dreslinski
29 * Steve Reinhardt
30 * Ali Saidi
31 */
32
33/**
34 * @file
35 * Declaration of a request, the overall memory request consisting of
36 the parts of the request that are persistent throughout the transaction.
37 */
38
39#ifndef __MEM_REQUEST_HH__
40#define __MEM_REQUEST_HH__
41
42#include <cassert>
43
44#include "base/fast_alloc.hh"
45#include "base/flags.hh"
46#include "base/misc.hh"
47#include "base/types.hh"
48#include "sim/core.hh"
49
50class Request;
51
52typedef Request* RequestPtr;
53
54class Request : public FastAlloc
55{
56 public:
57 typedef uint32_t FlagsType;
58 typedef ::Flags<FlagsType> Flags;
59
60 /** ASI information for this request if it exists. */
61 static const FlagsType ASI_BITS = 0x000000FF;
62 /** The request was an instruction fetch. */
63 static const FlagsType INST_FETCH = 0x00000100;
64 /** The virtual address is also the physical address. */
65 static const FlagsType PHYSICAL = 0x00000200;
66 /** The request is an ALPHA VPTE pal access (hw_ld). */
67 static const FlagsType VPTE = 0x00000400;
68 /** Use the alternate mode bits in ALPHA. */
69 static const FlagsType ALTMODE = 0x00000800;
70 /** The request is to an uncacheable address. */
71 static const FlagsType UNCACHEABLE = 0x00001000;
72 /** This request is to a memory mapped register. */
73 static const FlagsType MMAPED_IPR = 0x00002000;
74
75 /** The request should not cause a page fault. */
76 static const FlagsType NO_FAULT = 0x00010000;
77 /** The request should ignore unaligned access faults */
78 static const FlagsType NO_ALIGN_FAULT = 0x00020000;
79 /** The request should ignore unaligned access faults */
80 static const FlagsType NO_HALF_WORD_ALIGN_FAULT = 0x00040000;
81 /** The request should not cause a memory access. */
82 static const FlagsType NO_ACCESS = 0x00080000;
83 /** This request will lock or unlock the accessed memory. When used with
84 * a load, the access locks the particular chunk of memory. When used
85 * with a store, it unlocks. The rule is that locked accesses have to be
86 * made up of a locked load, some operation on the data, and then a locked
87 * store.
88 */
89 static const FlagsType LOCKED = 0x00100000;
90 /** The request is a Load locked/store conditional. */
91 static const FlagsType LLSC = 0x00200000;
92 /** This request is for a memory swap. */
93 static const FlagsType MEM_SWAP = 0x00400000;
94 static const FlagsType MEM_SWAP_COND = 0x00800000;
95
96 /** The request is a prefetch. */
97 static const FlagsType PREFETCH = 0x01000000;
98 /** The request should be prefetched into the exclusive state. */
99 static const FlagsType PF_EXCLUSIVE = 0x02000000;
100 /** The request should be marked as LRU. */
101 static const FlagsType EVICT_NEXT = 0x04000000;
102
103 /** These flags are *not* cleared when a Request object is reused
104 (assigned a new address). */
105 static const FlagsType STICKY_FLAGS = INST_FETCH;
106
107 private:
108 typedef uint8_t PrivateFlagsType;
109 typedef ::Flags<PrivateFlagsType> PrivateFlags;
110
111 /** Whether or not the size is valid. */
112 static const PrivateFlagsType VALID_SIZE = 0x00000001;
113 /** Whether or not paddr is valid (has been written yet). */
114 static const PrivateFlagsType VALID_PADDR = 0x00000002;
115 /** Whether or not the vaddr & asid are valid. */
116 static const PrivateFlagsType VALID_VADDR = 0x00000004;
117 /** Whether or not the pc is valid. */
118 static const PrivateFlagsType VALID_PC = 0x00000010;
119 /** Whether or not the context ID is valid. */
120 static const PrivateFlagsType VALID_CONTEXT_ID = 0x00000020;
121 static const PrivateFlagsType VALID_THREAD_ID = 0x00000040;
122 /** Whether or not the sc result is valid. */
123 static const PrivateFlagsType VALID_EXTRA_DATA = 0x00000080;
124
125 /** These flags are *not* cleared when a Request object is reused
126 (assigned a new address). */
127 static const PrivateFlagsType STICKY_PRIVATE_FLAGS =
128 VALID_CONTEXT_ID | VALID_THREAD_ID;
129
130 private:
131 /**
132 * The physical address of the request. Valid only if validPaddr
133 * is set.
134 */
135 Addr paddr;
136
137 /**
138 * The size of the request. This field must be set when vaddr or
139 * paddr is written via setVirt() or setPhys(), so it is always
140 * valid as long as one of the address fields is valid.
141 */
142 int size;
143
144 /** Flag structure for the request. */
145 Flags flags;
146
147 /** Private flags for field validity checking. */
148 PrivateFlags privateFlags;
149
150 /**
151 * The time this request was started. Used to calculate
152 * latencies. This field is set to curTick any time paddr or vaddr
153 * is written.
154 */
| 1/*
2 * Copyright (c) 2002-2005 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: Ron Dreslinski
29 * Steve Reinhardt
30 * Ali Saidi
31 */
32
33/**
34 * @file
35 * Declaration of a request, the overall memory request consisting of
36 the parts of the request that are persistent throughout the transaction.
37 */
38
39#ifndef __MEM_REQUEST_HH__
40#define __MEM_REQUEST_HH__
41
42#include <cassert>
43
44#include "base/fast_alloc.hh"
45#include "base/flags.hh"
46#include "base/misc.hh"
47#include "base/types.hh"
48#include "sim/core.hh"
49
50class Request;
51
52typedef Request* RequestPtr;
53
54class Request : public FastAlloc
55{
56 public:
57 typedef uint32_t FlagsType;
58 typedef ::Flags<FlagsType> Flags;
59
60 /** ASI information for this request if it exists. */
61 static const FlagsType ASI_BITS = 0x000000FF;
62 /** The request was an instruction fetch. */
63 static const FlagsType INST_FETCH = 0x00000100;
64 /** The virtual address is also the physical address. */
65 static const FlagsType PHYSICAL = 0x00000200;
66 /** The request is an ALPHA VPTE pal access (hw_ld). */
67 static const FlagsType VPTE = 0x00000400;
68 /** Use the alternate mode bits in ALPHA. */
69 static const FlagsType ALTMODE = 0x00000800;
70 /** The request is to an uncacheable address. */
71 static const FlagsType UNCACHEABLE = 0x00001000;
72 /** This request is to a memory mapped register. */
73 static const FlagsType MMAPED_IPR = 0x00002000;
74
75 /** The request should not cause a page fault. */
76 static const FlagsType NO_FAULT = 0x00010000;
77 /** The request should ignore unaligned access faults */
78 static const FlagsType NO_ALIGN_FAULT = 0x00020000;
79 /** The request should ignore unaligned access faults */
80 static const FlagsType NO_HALF_WORD_ALIGN_FAULT = 0x00040000;
81 /** The request should not cause a memory access. */
82 static const FlagsType NO_ACCESS = 0x00080000;
83 /** This request will lock or unlock the accessed memory. When used with
84 * a load, the access locks the particular chunk of memory. When used
85 * with a store, it unlocks. The rule is that locked accesses have to be
86 * made up of a locked load, some operation on the data, and then a locked
87 * store.
88 */
89 static const FlagsType LOCKED = 0x00100000;
90 /** The request is a Load locked/store conditional. */
91 static const FlagsType LLSC = 0x00200000;
92 /** This request is for a memory swap. */
93 static const FlagsType MEM_SWAP = 0x00400000;
94 static const FlagsType MEM_SWAP_COND = 0x00800000;
95
96 /** The request is a prefetch. */
97 static const FlagsType PREFETCH = 0x01000000;
98 /** The request should be prefetched into the exclusive state. */
99 static const FlagsType PF_EXCLUSIVE = 0x02000000;
100 /** The request should be marked as LRU. */
101 static const FlagsType EVICT_NEXT = 0x04000000;
102
103 /** These flags are *not* cleared when a Request object is reused
104 (assigned a new address). */
105 static const FlagsType STICKY_FLAGS = INST_FETCH;
106
107 private:
108 typedef uint8_t PrivateFlagsType;
109 typedef ::Flags<PrivateFlagsType> PrivateFlags;
110
111 /** Whether or not the size is valid. */
112 static const PrivateFlagsType VALID_SIZE = 0x00000001;
113 /** Whether or not paddr is valid (has been written yet). */
114 static const PrivateFlagsType VALID_PADDR = 0x00000002;
115 /** Whether or not the vaddr & asid are valid. */
116 static const PrivateFlagsType VALID_VADDR = 0x00000004;
117 /** Whether or not the pc is valid. */
118 static const PrivateFlagsType VALID_PC = 0x00000010;
119 /** Whether or not the context ID is valid. */
120 static const PrivateFlagsType VALID_CONTEXT_ID = 0x00000020;
121 static const PrivateFlagsType VALID_THREAD_ID = 0x00000040;
122 /** Whether or not the sc result is valid. */
123 static const PrivateFlagsType VALID_EXTRA_DATA = 0x00000080;
124
125 /** These flags are *not* cleared when a Request object is reused
126 (assigned a new address). */
127 static const PrivateFlagsType STICKY_PRIVATE_FLAGS =
128 VALID_CONTEXT_ID | VALID_THREAD_ID;
129
130 private:
131 /**
132 * The physical address of the request. Valid only if validPaddr
133 * is set.
134 */
135 Addr paddr;
136
137 /**
138 * The size of the request. This field must be set when vaddr or
139 * paddr is written via setVirt() or setPhys(), so it is always
140 * valid as long as one of the address fields is valid.
141 */
142 int size;
143
144 /** Flag structure for the request. */
145 Flags flags;
146
147 /** Private flags for field validity checking. */
148 PrivateFlags privateFlags;
149
150 /**
151 * The time this request was started. Used to calculate
152 * latencies. This field is set to curTick any time paddr or vaddr
153 * is written.
154 */
|
155 Tick time;
| 155 Tick _time;
|
156
157 /** The address space ID. */
158 int asid;
159
160 /** The virtual address of the request. */
161 Addr vaddr;
162
163 /**
164 * Extra data for the request, such as the return value of
165 * store conditional or the compare value for a CAS. */
166 uint64_t extraData;
167
168 /** The context ID (for statistics, typically). */
169 int _contextId;
170 /** The thread ID (id within this CPU) */
171 int _threadId;
172
173 /** program counter of initiating access; for tracing/debugging */
174 Addr pc;
175
176 public:
177 /** Minimal constructor. No fields are initialized. */
178 Request()
179 {}
180
181 /**
182 * Constructor for physical (e.g. device) requests. Initializes
183 * just physical address, size, flags, and timestamp (to curTick).
184 * These fields are adequate to perform a request.
185 */
186 Request(Addr paddr, int size, Flags flags)
187 {
188 setPhys(paddr, size, flags);
189 }
190
| 156
157 /** The address space ID. */
158 int asid;
159
160 /** The virtual address of the request. */
161 Addr vaddr;
162
163 /**
164 * Extra data for the request, such as the return value of
165 * store conditional or the compare value for a CAS. */
166 uint64_t extraData;
167
168 /** The context ID (for statistics, typically). */
169 int _contextId;
170 /** The thread ID (id within this CPU) */
171 int _threadId;
172
173 /** program counter of initiating access; for tracing/debugging */
174 Addr pc;
175
176 public:
177 /** Minimal constructor. No fields are initialized. */
178 Request()
179 {}
180
181 /**
182 * Constructor for physical (e.g. device) requests. Initializes
183 * just physical address, size, flags, and timestamp (to curTick).
184 * These fields are adequate to perform a request.
185 */
186 Request(Addr paddr, int size, Flags flags)
187 {
188 setPhys(paddr, size, flags);
189 }
190
|
| 191 Request(Addr paddr, int size, Flags flags, Tick time)
192 {
193 setPhys(paddr, size, flags, time);
194 }
195
|
191 Request(int asid, Addr vaddr, int size, Flags flags, Addr pc,
192 int cid, ThreadID tid)
193 {
194 setVirt(asid, vaddr, size, flags, pc);
195 setThreadContext(cid, tid);
196 }
197
198 ~Request() {} // for FastAlloc
199
200 /**
201 * Set up CPU and thread numbers.
202 */
203 void
204 setThreadContext(int context_id, ThreadID tid)
205 {
206 _contextId = context_id;
207 _threadId = tid;
208 privateFlags.set(VALID_CONTEXT_ID|VALID_THREAD_ID);
209 }
210
211 /**
212 * Set up a physical (e.g. device) request in a previously
213 * allocated Request object.
214 */
215 void
| 196 Request(int asid, Addr vaddr, int size, Flags flags, Addr pc,
197 int cid, ThreadID tid)
198 {
199 setVirt(asid, vaddr, size, flags, pc);
200 setThreadContext(cid, tid);
201 }
202
203 ~Request() {} // for FastAlloc
204
205 /**
206 * Set up CPU and thread numbers.
207 */
208 void
209 setThreadContext(int context_id, ThreadID tid)
210 {
211 _contextId = context_id;
212 _threadId = tid;
213 privateFlags.set(VALID_CONTEXT_ID|VALID_THREAD_ID);
214 }
215
216 /**
217 * Set up a physical (e.g. device) request in a previously
218 * allocated Request object.
219 */
220 void
|
216 setPhys(Addr _paddr, int _size, Flags _flags)
| 221 setPhys(Addr _paddr, int _size, Flags _flags, Tick time)
|
217 {
218 assert(_size >= 0);
219 paddr = _paddr;
220 size = _size;
| 222 {
223 assert(_size >= 0);
224 paddr = _paddr;
225 size = _size;
|
221 time = curTick;
| 226 _time = time;
|
222
223 flags.clear(~STICKY_FLAGS);
224 flags.set(_flags);
225 privateFlags.clear(~STICKY_PRIVATE_FLAGS);
226 privateFlags.set(VALID_PADDR|VALID_SIZE);
227 }
228
| 227
228 flags.clear(~STICKY_FLAGS);
229 flags.set(_flags);
230 privateFlags.clear(~STICKY_PRIVATE_FLAGS);
231 privateFlags.set(VALID_PADDR|VALID_SIZE);
232 }
233
|
| 234 void
235 setPhys(Addr _paddr, int _size, Flags _flags)
236 {
237 setPhys(_paddr, _size, _flags, curTick);
238 }
239
|
229 /**
230 * Set up a virtual (e.g., CPU) request in a previously
231 * allocated Request object.
232 */
233 void
234 setVirt(int _asid, Addr _vaddr, int _size, Flags _flags, Addr _pc)
235 {
236 assert(_size >= 0);
237 asid = _asid;
238 vaddr = _vaddr;
239 size = _size;
240 flags = _flags;
241 pc = _pc;
| 240 /**
241 * Set up a virtual (e.g., CPU) request in a previously
242 * allocated Request object.
243 */
244 void
245 setVirt(int _asid, Addr _vaddr, int _size, Flags _flags, Addr _pc)
246 {
247 assert(_size >= 0);
248 asid = _asid;
249 vaddr = _vaddr;
250 size = _size;
251 flags = _flags;
252 pc = _pc;
|
242 time = curTick;
| 253 _time = curTick;
|
243
244 flags.clear(~STICKY_FLAGS);
245 flags.set(_flags);
246 privateFlags.clear(~STICKY_PRIVATE_FLAGS);
247 privateFlags.set(VALID_VADDR|VALID_SIZE|VALID_PC);
248 }
249
250 /**
251 * Set just the physical address. This should only be used to
252 * record the result of a translation, and thus the vaddr must be
253 * valid before this method is called. Otherwise, use setPhys()
254 * to guarantee that the size and flags are also set.
255 */
256 void
257 setPaddr(Addr _paddr)
258 {
259 assert(privateFlags.isSet(VALID_VADDR));
260 paddr = _paddr;
261 privateFlags.set(VALID_PADDR);
262 }
263
264 /**
265 * Generate two requests as if this request had been split into two
266 * pieces. The original request can't have been translated already.
267 */
268 void splitOnVaddr(Addr split_addr, RequestPtr &req1, RequestPtr &req2)
269 {
270 assert(privateFlags.isSet(VALID_VADDR));
271 assert(privateFlags.noneSet(VALID_PADDR));
272 assert(split_addr > vaddr && split_addr < vaddr + size);
273 req1 = new Request;
274 *req1 = *this;
275 req2 = new Request;
276 *req2 = *this;
277 req1->size = split_addr - vaddr;
278 req2->vaddr = split_addr;
279 req2->size = size - req1->size;
280 }
281
282 /**
283 * Accessor for paddr.
284 */
285 bool
286 hasPaddr()
287 {
288 return privateFlags.isSet(VALID_PADDR);
289 }
290
291 Addr
292 getPaddr()
293 {
294 assert(privateFlags.isSet(VALID_PADDR));
295 return paddr;
296 }
297
298 /**
299 * Accessor for size.
300 */
301 bool
302 hasSize()
303 {
304 return privateFlags.isSet(VALID_SIZE);
305 }
306
307 int
308 getSize()
309 {
310 assert(privateFlags.isSet(VALID_SIZE));
311 return size;
312 }
313
314 /** Accessor for time. */
315 Tick
| 254
255 flags.clear(~STICKY_FLAGS);
256 flags.set(_flags);
257 privateFlags.clear(~STICKY_PRIVATE_FLAGS);
258 privateFlags.set(VALID_VADDR|VALID_SIZE|VALID_PC);
259 }
260
261 /**
262 * Set just the physical address. This should only be used to
263 * record the result of a translation, and thus the vaddr must be
264 * valid before this method is called. Otherwise, use setPhys()
265 * to guarantee that the size and flags are also set.
266 */
267 void
268 setPaddr(Addr _paddr)
269 {
270 assert(privateFlags.isSet(VALID_VADDR));
271 paddr = _paddr;
272 privateFlags.set(VALID_PADDR);
273 }
274
275 /**
276 * Generate two requests as if this request had been split into two
277 * pieces. The original request can't have been translated already.
278 */
279 void splitOnVaddr(Addr split_addr, RequestPtr &req1, RequestPtr &req2)
280 {
281 assert(privateFlags.isSet(VALID_VADDR));
282 assert(privateFlags.noneSet(VALID_PADDR));
283 assert(split_addr > vaddr && split_addr < vaddr + size);
284 req1 = new Request;
285 *req1 = *this;
286 req2 = new Request;
287 *req2 = *this;
288 req1->size = split_addr - vaddr;
289 req2->vaddr = split_addr;
290 req2->size = size - req1->size;
291 }
292
293 /**
294 * Accessor for paddr.
295 */
296 bool
297 hasPaddr()
298 {
299 return privateFlags.isSet(VALID_PADDR);
300 }
301
302 Addr
303 getPaddr()
304 {
305 assert(privateFlags.isSet(VALID_PADDR));
306 return paddr;
307 }
308
309 /**
310 * Accessor for size.
311 */
312 bool
313 hasSize()
314 {
315 return privateFlags.isSet(VALID_SIZE);
316 }
317
318 int
319 getSize()
320 {
321 assert(privateFlags.isSet(VALID_SIZE));
322 return size;
323 }
324
325 /** Accessor for time. */
326 Tick
|
316 getTime()
| 327 time() const
|
317 {
318 assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR));
| 328 {
329 assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR));
|
319 return time;
| 330 return _time;
|
320 }
321
| 331 }
332
|
| 333 void
334 time(Tick time)
335 {
336 assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR));
337 _time = time;
338 }
339
|
322 /** Accessor for flags. */
323 Flags
324 getFlags()
325 {
326 assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR));
327 return flags;
328 }
329
330 void
331 setFlags(Flags _flags)
332 {
333 assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR));
334 flags.set(_flags);
335 }
336
337 /** Accessor function for vaddr.*/
338 Addr
339 getVaddr()
340 {
341 assert(privateFlags.isSet(VALID_VADDR));
342 return vaddr;
343 }
344
345 /** Accessor function for asid.*/
346 int
347 getAsid()
348 {
349 assert(privateFlags.isSet(VALID_VADDR));
350 return asid;
351 }
352
353 /** Accessor function for asi.*/
354 uint8_t
355 getAsi()
356 {
357 assert(privateFlags.isSet(VALID_VADDR));
358 return flags & ASI_BITS;
359 }
360
361 /** Accessor function for MMAPED_IPR flag. */
362 bool
363 isMmapedIpr()
364 {
365 assert(privateFlags.isSet(VALID_PADDR));
366 return flags.isSet(MMAPED_IPR);
367 }
368
369 void
370 setMmapedIpr(bool r)
371 {
372 assert(VALID_VADDR);
373 flags.set(MMAPED_IPR);
374 }
375
376 /** Accessor function to check if sc result is valid. */
377 bool
378 extraDataValid()
379 {
380 return privateFlags.isSet(VALID_EXTRA_DATA);
381 }
382
383 /** Accessor function for store conditional return value.*/
384 uint64_t
385 getExtraData() const
386 {
387 assert(privateFlags.isSet(VALID_EXTRA_DATA));
388 return extraData;
389 }
390
391 /** Accessor function for store conditional return value.*/
392 void
393 setExtraData(uint64_t _extraData)
394 {
395 extraData = _extraData;
396 privateFlags.set(VALID_EXTRA_DATA);
397 }
398
399 bool
400 hasContextId() const
401 {
402 return privateFlags.isSet(VALID_CONTEXT_ID);
403 }
404
405 /** Accessor function for context ID.*/
406 int
407 contextId() const
408 {
409 assert(privateFlags.isSet(VALID_CONTEXT_ID));
410 return _contextId;
411 }
412
413 /** Accessor function for thread ID. */
414 int
415 threadId() const
416 {
417 assert(privateFlags.isSet(VALID_THREAD_ID));
418 return _threadId;
419 }
420
421 bool
422 hasPC() const
423 {
424 return privateFlags.isSet(VALID_PC);
425 }
426
427 /** Accessor function for pc.*/
428 Addr
429 getPC() const
430 {
431 assert(privateFlags.isSet(VALID_PC));
432 return pc;
433 }
434
435 /** Accessor Function to Check Cacheability. */
436 bool isUncacheable() const { return flags.isSet(UNCACHEABLE); }
437 bool isInstFetch() const { return flags.isSet(INST_FETCH); }
438 bool isPrefetch() const { return flags.isSet(PREFETCH); }
439 bool isLLSC() const { return flags.isSet(LLSC); }
440 bool isLocked() const { return flags.isSet(LOCKED); }
441 bool isSwap() const { return flags.isSet(MEM_SWAP|MEM_SWAP_COND); }
442 bool isCondSwap() const { return flags.isSet(MEM_SWAP_COND); }
443
444 bool
445 isMisaligned() const
446 {
447 if (flags.isSet(NO_ALIGN_FAULT))
448 return false;
449
450 if ((vaddr & 0x1))
451 return true;
452
453 if (flags.isSet(NO_HALF_WORD_ALIGN_FAULT))
454 return false;
455
456 if ((vaddr & 0x2))
457 return true;
458
459 return false;
460 }
461};
462
463#endif // __MEM_REQUEST_HH__
| 340 /** Accessor for flags. */
341 Flags
342 getFlags()
343 {
344 assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR));
345 return flags;
346 }
347
348 void
349 setFlags(Flags _flags)
350 {
351 assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR));
352 flags.set(_flags);
353 }
354
355 /** Accessor function for vaddr.*/
356 Addr
357 getVaddr()
358 {
359 assert(privateFlags.isSet(VALID_VADDR));
360 return vaddr;
361 }
362
363 /** Accessor function for asid.*/
364 int
365 getAsid()
366 {
367 assert(privateFlags.isSet(VALID_VADDR));
368 return asid;
369 }
370
371 /** Accessor function for asi.*/
372 uint8_t
373 getAsi()
374 {
375 assert(privateFlags.isSet(VALID_VADDR));
376 return flags & ASI_BITS;
377 }
378
379 /** Accessor function for MMAPED_IPR flag. */
380 bool
381 isMmapedIpr()
382 {
383 assert(privateFlags.isSet(VALID_PADDR));
384 return flags.isSet(MMAPED_IPR);
385 }
386
387 void
388 setMmapedIpr(bool r)
389 {
390 assert(VALID_VADDR);
391 flags.set(MMAPED_IPR);
392 }
393
394 /** Accessor function to check if sc result is valid. */
395 bool
396 extraDataValid()
397 {
398 return privateFlags.isSet(VALID_EXTRA_DATA);
399 }
400
401 /** Accessor function for store conditional return value.*/
402 uint64_t
403 getExtraData() const
404 {
405 assert(privateFlags.isSet(VALID_EXTRA_DATA));
406 return extraData;
407 }
408
409 /** Accessor function for store conditional return value.*/
410 void
411 setExtraData(uint64_t _extraData)
412 {
413 extraData = _extraData;
414 privateFlags.set(VALID_EXTRA_DATA);
415 }
416
417 bool
418 hasContextId() const
419 {
420 return privateFlags.isSet(VALID_CONTEXT_ID);
421 }
422
423 /** Accessor function for context ID.*/
424 int
425 contextId() const
426 {
427 assert(privateFlags.isSet(VALID_CONTEXT_ID));
428 return _contextId;
429 }
430
431 /** Accessor function for thread ID. */
432 int
433 threadId() const
434 {
435 assert(privateFlags.isSet(VALID_THREAD_ID));
436 return _threadId;
437 }
438
439 bool
440 hasPC() const
441 {
442 return privateFlags.isSet(VALID_PC);
443 }
444
445 /** Accessor function for pc.*/
446 Addr
447 getPC() const
448 {
449 assert(privateFlags.isSet(VALID_PC));
450 return pc;
451 }
452
453 /** Accessor Function to Check Cacheability. */
454 bool isUncacheable() const { return flags.isSet(UNCACHEABLE); }
455 bool isInstFetch() const { return flags.isSet(INST_FETCH); }
456 bool isPrefetch() const { return flags.isSet(PREFETCH); }
457 bool isLLSC() const { return flags.isSet(LLSC); }
458 bool isLocked() const { return flags.isSet(LOCKED); }
459 bool isSwap() const { return flags.isSet(MEM_SWAP|MEM_SWAP_COND); }
460 bool isCondSwap() const { return flags.isSet(MEM_SWAP_COND); }
461
462 bool
463 isMisaligned() const
464 {
465 if (flags.isSet(NO_ALIGN_FAULT))
466 return false;
467
468 if ((vaddr & 0x1))
469 return true;
470
471 if (flags.isSet(NO_HALF_WORD_ALIGN_FAULT))
472 return false;
473
474 if ((vaddr & 0x2))
475 return true;
476
477 return false;
478 }
479};
480
481#endif // __MEM_REQUEST_HH__
|