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00122 #ifndef SSB_MEMORY_H
00123 #define SSB_MEMORY_H
00124
00125 #include <stdio.h>
00126
00127 #include "ssb_host.h"
00128 #include "ssb_misc.h"
00129 #include "ssb_machine.h"
00130 #include "ssb_options.h"
00131 #include "ssb_stats.h"
00132
00133
00134
00135
00136
00137
00138
00139 extern int READMASKSLEFT[];
00140 extern int WRITEMASKSLEFT[];
00141 extern int WRITEMASKSRIGHT[];
00142
00143
00144 #define MEM_PTAB_SIZE (32*1024)
00145 #define MEM_LOG_PTAB_SIZE 15
00146
00147
00148
00149 struct mem_pte_t {
00150
00151 mem_pte_t *next;
00152
00153 md_addr_t tag;
00154
00155 byte_t *page;
00156 };
00157
00158
00159
00160 struct mem_t {
00161
00162
00163 char *name;
00164
00165 mem_pte_t *ptab[MEM_PTAB_SIZE];
00166
00167
00168
00169 counter_t page_count;
00170
00171 counter_t ptab_misses;
00172
00173 counter_t ptab_accesses;
00174 };
00175
00176
00177 enum mem_cmd {
00178 Read,
00179 Write,
00180 Inject
00181 };
00182
00183
00184
00185 typedef enum md_fault_type
00186 (*mem_access_fn)( mem_t *mem,
00187 enum mem_cmd cmd,
00188 md_addr_t addr,
00189 void *p,
00190 int nbytes);
00191
00192
00193
00194
00195
00196
00197 #define MEM_PTAB_SET(ADDR) \
00198 (((ADDR) >> MD_LOG_PAGE_SIZE) & (MEM_PTAB_SIZE - 1))
00199
00200
00201 #define MEM_PTAB_TAG(ADDR) \
00202 ((ADDR) >> (MD_LOG_PAGE_SIZE + MEM_LOG_PTAB_SIZE))
00203
00204
00205 #define MEM_PTE_ADDR(PTE, IDX) \
00206 (((PTE)->tag << (MD_LOG_PAGE_SIZE + MEM_LOG_PTAB_SIZE)) \
00207 | ((IDX) << MD_LOG_PAGE_SIZE))
00208
00209 #define MEM_OFFSET(ADDR) ((ADDR) & (MD_PAGE_SIZE - 1))
00210
00211 #define MEM_PAGE(MEM, ADDR) \
00212 ( \
00213 ((MEM)->ptab[MEM_PTAB_SET(ADDR)] \
00214 && (MEM)->ptab[MEM_PTAB_SET(ADDR)]->tag == MEM_PTAB_TAG(ADDR)) \
00215 ? ( \
00216 (MEM)->ptab_accesses++, \
00217 (MEM)->ptab[MEM_PTAB_SET(ADDR)]->page) \
00218 : ( \
00219 mem_translate((MEM), (ADDR))))
00220
00221
00222
00223
00224 #define MEM_TICKLE(MEM, ADDR) \
00225 (!MEM_PAGE(MEM, ADDR) \
00226 ? ( \
00227 mem_newpage(MEM, ADDR)) \
00228 : ( (void)0))
00229
00230
00231 #define MEM_FORALL(MEM, ITER, PTE) \
00232 for ((ITER)=0; (ITER) < MEM_PTAB_SIZE; (ITER)++) \
00233 for ((PTE)=(MEM)->ptab[i]; (PTE) != NULL; (PTE)=(PTE)->next)
00234
00235
00236
00237
00238
00239
00240
00241
00242 #define MEM_READ(MEM, ADDR, TYPE) \
00243 (MEM_PAGE(MEM, (md_addr_t)(ADDR)) \
00244 ? *((TYPE *)(MEM_PAGE(MEM, (md_addr_t)(ADDR)) + MEM_OFFSET(ADDR))) \
00245 : 0)
00246
00247
00248 #define __UNCHK_MEM_READ(MEM, ADDR, TYPE) \
00249 (*((TYPE *)(MEM_PAGE(MEM, (md_addr_t)(ADDR)) + MEM_OFFSET(ADDR))))
00250
00251
00252
00253 #define MEM_WRITE(MEM, ADDR, TYPE, VAL) \
00254 (MEM_TICKLE(MEM, (md_addr_t)(ADDR)), \
00255 *((TYPE *)(MEM_PAGE(MEM, (md_addr_t)(ADDR)) + MEM_OFFSET(ADDR))) = (VAL))
00256
00257
00258 #define __UNCHK_MEM_WRITE(MEM, ADDR, TYPE, VAL) \
00259 (*((TYPE *)(MEM_PAGE(MEM, (md_addr_t)(ADDR)) + MEM_OFFSET(ADDR))) = (VAL))
00260
00261
00262
00263 #if 0
00264 #define MEM_READ_BYTE(MEM, ADDR) MEM_READ(MEM, ADDR, byte_t)
00265 #define MEM_READ_SBYTE(MEM, ADDR) MEM_READ(MEM, ADDR, sbyte_t)
00266 #define MEM_READ_HALF(MEM, ADDR) MEM_READ(MEM, ADDR, half_t)
00267 #define MEM_READ_SHALF(MEM, ADDR) MEM_READ(MEM, ADDR, shalf_t)
00268 #define MEM_READ_WORD(MEM, ADDR) MEM_READ(MEM, ADDR, word_t)
00269 #define MEM_READ_SWORD(MEM, ADDR) MEM_READ(MEM, ADDR, sword_t)
00270 #define MEM_READ_SFLOAT(MEM, ADDR) MEM_READ(MEM, ADDR, sfloat_t)
00271 #define MEM_READ_DFLOAT(MEM, ADDR) MEM_READ(MEM, ADDR, dfloat_t)
00272
00273 #ifdef HOST_HAS_QWORD
00274 #define MEM_READ_QWORD(MEM, ADDR) MEM_READ(MEM, ADDR, qword_t)
00275 #define MEM_READ_SQWORD(MEM, ADDR) MEM_READ(MEM, ADDR, sqword_t)
00276 #endif
00277
00278 #define MEM_WRITE_BYTE(MEM, ADDR, VAL) MEM_WRITE(MEM, ADDR, byte_t, VAL)
00279 #define MEM_WRITE_SBYTE(MEM, ADDR, VAL) MEM_WRITE(MEM, ADDR, sbyte_t, VAL)
00280 #define MEM_WRITE_HALF(MEM, ADDR, VAL) MEM_WRITE(MEM, ADDR, half_t, VAL)
00281 #define MEM_WRITE_SHALF(MEM, ADDR, VAL) MEM_WRITE(MEM, ADDR, shalf_t, VAL)
00282 #define MEM_WRITE_WORD(MEM, ADDR, VAL) MEM_WRITE(MEM, ADDR, word_t, VAL)
00283 #define MEM_WRITE_SWORD(MEM, ADDR, VAL) MEM_WRITE(MEM, ADDR, sword_t, VAL)
00284 #define MEM_WRITE_SFLOAT(MEM, ADDR, VAL) MEM_WRITE(MEM, ADDR, sfloat_t, VAL)
00285 #define MEM_WRITE_DFLOAT(MEM, ADDR, VAL) MEM_WRITE(MEM, ADDR, dfloat_t, VAL)
00286
00287 #ifdef HOST_HAS_QWORD
00288 #define MEM_WRITE_QWORD(MEM, ADDR, VAL) MEM_WRITE(MEM, ADDR, qword_t, VAL)
00289 #define MEM_WRITE_SQWORD(MEM, ADDR, VAL) MEM_WRITE(MEM, ADDR, sqword_t, VAL)
00290 #endif
00291 #endif
00292
00293 #ifdef PPC_SWAP
00294
00295 #define SWAP_HALF(X) \
00296 (((((half_t)(X)) & 0xff) << 8) | ((((half_t)(X)) & 0xff00) >> 8))
00297 #define SWAP_WORD(X) (((word_t)(X) << 24) | \
00298 (((word_t)(X) << 8) & 0x00ff0000) | \
00299 (((word_t)(X) >> 8) & 0x0000ff00) | \
00300 (((word_t)(X) >> 24) & 0x000000ff))
00301 #define SWAP_QWORD(X) (((qword_t)(X) << 56) | \
00302 (((qword_t)(X) << 40) & ULL(0x00ff000000000000)) |\
00303 (((qword_t)(X) << 24) & ULL(0x0000ff0000000000)) |\
00304 (((qword_t)(X) << 8) & ULL(0x000000ff00000000)) |\
00305 (((qword_t)(X) >> 8) & ULL(0x00000000ff000000)) |\
00306 (((qword_t)(X) >> 24) & ULL(0x0000000000ff0000)) |\
00307 (((qword_t)(X) >> 40) & ULL(0x000000000000ff00)) |\
00308 (((qword_t)(X) >> 56) & ULL(0x00000000000000ff)))
00309 #else
00310
00311 #define SWAP_HALF(X) (X)
00312 #define SWAP_WORD(X) (X)
00313 #define SWAP_QWORD(X) (X)
00314
00315 #endif
00316
00317 #define MD_SWAPH(X) SWAP_HALF(X)
00318 #define MD_SWAPW(X) SWAP_WORD(X)
00319 #define MD_SWAPQ(X) SWAP_QWORD(X)
00320 #define MD_SWAPI(X) SWAP_WORD(X)
00321
00322 #define ADDR_REM(ADDR) ((ADDR)%4)
00323 #define LEFTWORD(MEM, ADDR) (MEM_READ(MEM, (ADDR-((ADDR)%4)), word_t) )
00324 #define RIGHTWORD(MEM,ADDR) (MEM_READ(MEM, ((ADDR-((ADDR)%4))+4), word_t) )
00325
00326 #define MEM_READ_BYTE(MEM, ADDR) MEM_READ(MEM, ADDR, byte_t)
00327 #define MEM_READ_SBYTE(MEM, ADDR) MEM_READ(MEM, ADDR, sbyte_t)
00328
00329
00330
00331
00332
00333
00334
00335 #define MEM_READ_HALF(MEM, ADDR) ((ADDR%4)==0)?(MEM_READ(MEM, ADDR, half_t)):\
00336 ((half_t) ( ( (MEM_READ_BYTE(MEM,ADDR) << 8) | \
00337 (MEM_READ_BYTE(MEM,ADDR+1)) )\
00338 ))
00339 #define MEM_READ_SHALF(MEM, ADDR) ((ADDR%4)==0)?(MEM_READ(MEM, ADDR, shalf_t)):\
00340 ((shalf_t) ( ( (MEM_READ_BYTE(MEM,ADDR) << 8) | \
00341 (MEM_READ_BYTE(MEM,ADDR+1)) )\
00342 ))
00343
00344 #define MEM_READ_WORD(MEM, ADDR) ((ADDR%4)==0)?(MEM_READ(MEM, ADDR, word_t)):\
00345 ((word_t) (( (LEFTWORD(MEM,ADDR) & READMASKSLEFT[ADDR_REM(ADDR)]) << (ADDR_REM(ADDR)*8)) |\
00346 (RIGHTWORD(MEM,ADDR) >> ((4-ADDR_REM(ADDR))*8)) ))
00347 #define MEM_READ_SWORD(MEM, ADDR) ((ADDR%4)==0)?(MEM_READ(MEM, ADDR, sword_t)):\
00348 ((sword_t) (( (LEFTWORD(MEM,ADDR) & READMASKSLEFT[ADDR_REM(ADDR)]) << (ADDR_REM(ADDR)*8)) |\
00349 (RIGHTWORD(MEM, ADDR) >> ((4-ADDR_REM(ADDR))*8)) ))
00350
00351
00352 #ifdef HOST_HAS_QWORD
00353 #define MEM_READ_QWORD(MEM, ADDR) MD_SWAPQ( ( (qword_t) (\
00354 ( ((qword_t) (MEM_READ(MEM, ADDR, word_t))) << 32) | \
00355 ((MEM_READ(MEM, ADDR+4, word_t))) \
00356 ) ) )
00357 #define MEM_READ_SQWORD(MEM, ADDR) MD_SWAPQ( ( (qword_t) (\
00358 ( ((qword_t) (MEM_READ(MEM, ADDR, word_t))) << 32) | \
00359 ((MEM_READ(MEM, ADDR+4, word_t))) \
00360 ) ) )
00361
00362 #endif
00363
00364 #define MEM_WRITE_BYTE(MEM, ADDR, VAL) MEM_WRITE(MEM, ADDR, byte_t, VAL)
00365 #define MEM_WRITE_SBYTE(MEM, ADDR, VAL) MEM_WRITE(MEM, ADDR, sbyte_t, VAL)
00366
00367
00368
00369
00370
00371
00372 #define MEM_WRITE_HALF(MEM, ADDR, VAL) (((ADDR)%4)==0)?MEM_WRITE(MEM, ADDR, half_t, MD_SWAPH(VAL)):\
00373 (\
00374 (MEM_WRITE_BYTE(MEM, ADDR, ((VAL)>>8)) ),\
00375 (MEM_WRITE_BYTE(MEM, ((ADDR)+1), ((VAL)&0xFF)) )\
00376 )
00377 #define MEM_WRITE_SHALF(MEM, ADDR, VAL) (((ADDR)%4)==0)?MEM_WRITE(MEM, ADDR, shalf_t, MD_SWAPH(VAL)):\
00378 (\
00379 (MEM_WRITE_BYTE(MEM, ADDR, ((VAL)>>8)) ),\
00380 (MEM_WRITE_BYTE(MEM, ((ADDR)+1), ((VAL)&0xFF)) )\
00381 )
00382
00383
00384
00385
00386
00387
00388
00389 #define MEM_WRITE_WORD(MEM, ADDR, VAL) (((ADDR)%4)==0)?\
00390 MEM_WRITE(MEM, (ADDR), word_t, MD_SWAPW(VAL)):\
00391 (\
00392 (\
00393 MEM_WRITE(MEM, ((ADDR)-((ADDR)%4)), word_t, ((LEFTWORD(MEM, (ADDR) ) & WRITEMASKSLEFT[ADDR_REM(ADDR)]) | (VAL >> (ADDR_REM(ADDR)*8))) ) \
00394 ), \
00395 (\
00396 MEM_WRITE(MEM, ((ADDR)-((ADDR)%4)+4), word_t, ((RIGHTWORD(MEM, (ADDR)) & WRITEMASKSRIGHT[ADDR_REM(ADDR)]) | (VAL << ((4-ADDR_REM(ADDR))*8))) ) \
00397 ) \
00398 )
00399 #define MEM_WRITE_SWORD(MEM, ADDR, VAL) (((ADDR)%4)==0)?\
00400 MEM_WRITE(MEM, ADDR, sword_t, MD_SWAPW(VAL)):\
00401 MEM_WRITE_WORD(MEM, ADDR, VAL)
00402
00403
00404
00405
00406 #define MEM_WRITE_SFLOAT(MEM, ADDR, VAL) \
00407 MEM_WRITE(MEM, ADDR, sfloat_t, MD_SWAPW(VAL))
00408 #define MEM_WRITE_DFLOAT(MEM, ADDR, VAL) \
00409 MEM_WRITE(MEM, ADDR, dfloat_t, MD_SWAPQ(VAL))
00410
00411 #ifdef HOST_HAS_QWORD
00412
00413
00414
00415
00416
00417
00418 #define MEM_WRITE_QWORD(MEM, ADDR, VAL) \
00419 (MEM_WRITE_WORD(MEM, ADDR, (((qword_t) (VAL))>>32)) , MEM_WRITE_WORD(MEM, ADDR, ((VAL)&0xFFFFFFFF)))
00420 #define MEM_WRITE_SQWORD(MEM, ADDR, VAL) \
00421 MEM_WRITE_QWORD(MEM, ADDR, VAL)
00422
00423 #endif
00424
00425
00426 struct mem_t *
00427 mem_create(char *name);
00428
00429
00430 byte_t *
00431 mem_translate( mem_t *mem,
00432 md_addr_t addr);
00433
00434
00435 void
00436 mem_newpage( mem_t *mem,
00437 md_addr_t addr);
00438
00439
00440
00441
00442 enum md_fault_type
00443 mem_access( mem_t *mem,
00444 enum mem_cmd cmd,
00445 md_addr_t addr,
00446 void *vp,
00447 int nbytes);
00448
00449
00450 void
00451 mem_reg_stats( mem_t *mem,
00452 stat_sdb_t *sdb);
00453
00454
00455 void
00456 mem_init( mem_t *mem);
00457
00458
00459 enum md_fault_type
00460 mem_dump( mem_t *mem,
00461 md_addr_t addr,
00462 int len,
00463 FILE *stream);
00464
00465
00466
00467
00468
00469
00470
00471
00472
00473
00474
00475
00476 enum md_fault_type
00477 mem_strcpy(mem_access_fn mem_fn,
00478 mem_t *mem,
00479 enum mem_cmd cmd,
00480 md_addr_t addr,
00481 char *s);
00482
00483
00484 enum md_fault_type
00485 mem_bcopy(mem_access_fn mem_fn,
00486 mem_t *mem,
00487 enum mem_cmd cmd,
00488 md_addr_t addr,
00489 void *vp,
00490 int nbytes);
00491
00492
00493
00494
00495 enum md_fault_type
00496 mem_bcopy4(mem_access_fn mem_fn,
00497 mem_t *mem,
00498 enum mem_cmd cmd,
00499 md_addr_t addr,
00500 void *vp,
00501 int nbytes);
00502
00503
00504 enum md_fault_type
00505 mem_bzero(mem_access_fn mem_fn,
00506 mem_t *mem,
00507 md_addr_t addr,
00508 int nbytes);
00509
00510 #endif