ArmPkg/Include/Library/ArmLib.h

   1 /** @file
   2
   3   Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
   4
   5   This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #ifndef __ARM_LIB__
  16 #define __ARM_LIB__
  17
  18 #ifdef ARM_CPU_ARMv6
  19 #include <Chipset/ARM1176JZ-S.h>
  20 #else
  21 #include <Chipset/ArmV7.h>
  22 #endif
  23
  24 typedef enum {
  25   ARM_CACHE_TYPE_WRITE_BACK,
  26   ARM_CACHE_TYPE_UNKNOWN
  27 } ARM_CACHE_TYPE;
  28
  29 typedef enum {
  30   ARM_CACHE_ARCHITECTURE_UNIFIED,
  31   ARM_CACHE_ARCHITECTURE_SEPARATE,
  32   ARM_CACHE_ARCHITECTURE_UNKNOWN
  33 } ARM_CACHE_ARCHITECTURE;
  34
  35 typedef struct {
  36   ARM_CACHE_TYPE          Type;
  37   ARM_CACHE_ARCHITECTURE  Architecture;
  38   BOOLEAN                 DataCachePresent;
  39   UINTN                   DataCacheSize;
  40   UINTN                   DataCacheAssociativity;
  41   UINTN                   DataCacheLineLength;
  42   BOOLEAN                 InstructionCachePresent;
  43   UINTN                   InstructionCacheSize;
  44   UINTN                   InstructionCacheAssociativity;
  45   UINTN                   InstructionCacheLineLength;
  46 } ARM_CACHE_INFO;
  47
  48 typedef enum {
  49   ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED = 0,
  50   ARM_MEMORY_REGION_ATTRIBUTE_SECURE_UNCACHED_UNBUFFERED,
  51   ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK,
  52   ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_BACK,
  53   ARM_MEMORY_REGION_ATTRIBUTE_WRITE_THROUGH,
  54   ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_THROUGH,
  55   ARM_MEMORY_REGION_ATTRIBUTE_DEVICE,
  56   ARM_MEMORY_REGION_ATTRIBUTE_SECURE_DEVICE
  57 } ARM_MEMORY_REGION_ATTRIBUTES;
  58
  59 #define IS_ARM_MEMORY_REGION_ATTRIBUTES_SECURE(attr) ((UINT32)(attr) & 1)
  60
  61 typedef struct {
  62   UINT32                        PhysicalBase;
  63   UINT32                        VirtualBase;
  64   UINT32                        Length;
  65   ARM_MEMORY_REGION_ATTRIBUTES  Attributes;
  66 } ARM_MEMORY_REGION_DESCRIPTOR;
  67
  68 typedef VOID (*CACHE_OPERATION)(VOID);
  69 typedef VOID (*LINE_OPERATION)(UINTN);
  70
  71 typedef enum {
  72   ARM_PROCESSOR_MODE_USER       = 0x10,
  73   ARM_PROCESSOR_MODE_FIQ        = 0x11,
  74   ARM_PROCESSOR_MODE_IRQ        = 0x12,
  75   ARM_PROCESSOR_MODE_SUPERVISOR = 0x13,
  76   ARM_PROCESSOR_MODE_ABORT      = 0x17,
  77   ARM_PROCESSOR_MODE_UNDEFINED  = 0x1B,
  78   ARM_PROCESSOR_MODE_SYSTEM     = 0x1F,
  79   ARM_PROCESSOR_MODE_MASK       = 0x1F
  80 } ARM_PROCESSOR_MODE;
  81
  82 #define IS_PRIMARY_CORE(MpId) (((MpId) & PcdGet32(PcdArmPrimaryCoreMask)) == PcdGet32(PcdArmPrimaryCore))
  83 #define GET_CORE_ID(MpId)     ((MpId) & 0x3)
  84 #define GET_CLUSTER_ID(MpId)  (((MpId) >> 8) & 0x3C)
  85 // Get the position of the core for the Stack Offset (4 Core per Cluster)
  86 //   Position = (ClusterId * 4) + CoreId
  87 #define GET_CORE_POS(MpId)    ((((MpId) >> 6) & 0x3C) + ((MpId) & 0x3))
  88 #define PRIMARY_CORE_ID       (PcdGet32(PcdArmPrimaryCore) & 0x3)
  89
  90 ARM_CACHE_TYPE
  91 EFIAPI
  92 ArmCacheType (
  93   VOID
  94   );
  95
  96 ARM_CACHE_ARCHITECTURE
  97 EFIAPI
  98 ArmCacheArchitecture (
  99   VOID
 100   );
 101
 102 VOID
 103 EFIAPI
 104 ArmCacheInformation (
 105   OUT ARM_CACHE_INFO  *CacheInfo
 106   );
 107
 108 BOOLEAN
 109 EFIAPI
 110 ArmDataCachePresent (
 111   VOID
 112   );
 113
 114 UINTN
 115 EFIAPI
 116 ArmDataCacheSize (
 117   VOID
 118   );
 119
 120 UINTN
 121 EFIAPI
 122 ArmDataCacheAssociativity (
 123   VOID
 124   );
 125
 126 UINTN
 127 EFIAPI
 128 ArmDataCacheLineLength (
 129   VOID
 130   );
 131
 132 BOOLEAN
 133 EFIAPI
 134 ArmInstructionCachePresent (
 135   VOID
 136   );
 137
 138 UINTN
 139 EFIAPI
 140 ArmInstructionCacheSize (
 141   VOID
 142   );
 143
 144 UINTN
 145 EFIAPI
 146 ArmInstructionCacheAssociativity (
 147   VOID
 148   );
 149
 150 UINTN
 151 EFIAPI
 152 ArmInstructionCacheLineLength (
 153   VOID
 154   );
 155
 156 UINT32
 157 EFIAPI
 158 Cp15IdCode (
 159   VOID
 160   );
 161
 162 UINT32
 163 EFIAPI
 164 Cp15CacheInfo (
 165   VOID
 166   );
 167
 168 BOOLEAN
 169 EFIAPI
 170 ArmIsMpCore (
 171   VOID
 172   );
 173
 174 VOID
 175 EFIAPI
 176 ArmInvalidateDataCache (
 177   VOID
 178   );
 179
 180
 181 VOID
 182 EFIAPI
 183 ArmCleanInvalidateDataCache (
 184   VOID
 185   );
 186
 187 VOID
 188 EFIAPI
 189 ArmCleanDataCache (
 190   VOID
 191   );
 192
 193 VOID
 194 EFIAPI
 195 ArmInvalidateInstructionCache (
 196   VOID
 197   );
 198
 199 VOID
 200 EFIAPI
 201 ArmInvalidateDataCacheEntryByMVA (
 202   IN  UINTN   Address
 203   );
 204
 205 VOID
 206 EFIAPI
 207 ArmCleanDataCacheEntryByMVA (
 208   IN  UINTN   Address
 209   );
 210
 211 VOID
 212 EFIAPI
 213 ArmCleanInvalidateDataCacheEntryByMVA (
 214   IN  UINTN   Address
 215   );
 216
 217 VOID
 218 EFIAPI
 219 ArmEnableDataCache (
 220   VOID
 221   );
 222
 223 VOID
 224 EFIAPI
 225 ArmDisableDataCache (
 226   VOID
 227   );
 228
 229 VOID
 230 EFIAPI
 231 ArmEnableInstructionCache (
 232   VOID
 233   );
 234
 235 VOID
 236 EFIAPI
 237 ArmDisableInstructionCache (
 238   VOID
 239   );
 240
 241 VOID
 242 EFIAPI
 243 ArmEnableMmu (
 244   VOID
 245   );
 246
 247 VOID
 248 EFIAPI
 249 ArmDisableMmu (
 250   VOID
 251   );
 252
 253 VOID
 254 EFIAPI
 255 ArmDisableCachesAndMmu (
 256   VOID
 257   );
 258
 259 VOID
 260 EFIAPI
 261 ArmInvalidateInstructionAndDataTlb (
 262   VOID
 263   );
 264
 265 VOID
 266 EFIAPI
 267 ArmEnableInterrupts (
 268   VOID
 269   );
 270
 271 UINTN
 272 EFIAPI
 273 ArmDisableInterrupts (
 274   VOID
 275   );
 276
 277 BOOLEAN
 278 EFIAPI
 279 ArmGetInterruptState (
 280   VOID
 281   );
 282
 283 VOID
 284 EFIAPI
 285 ArmEnableFiq (
 286   VOID
 287   );
 288
 289 UINTN
 290 EFIAPI
 291 ArmDisableFiq (
 292   VOID
 293   );
 294
 295 BOOLEAN
 296 EFIAPI
 297 ArmGetFiqState (
 298   VOID
 299   );
 300
 301 VOID
 302 EFIAPI
 303 ArmInvalidateTlb (
 304   VOID
 305   );
 306
 307 VOID
 308 EFIAPI
 309 ArmUpdateTranslationTableEntry (
 310   IN  VOID     *TranslationTableEntry,
 311   IN  VOID     *Mva
 312   );
 313
 314 VOID
 315 EFIAPI
 316 ArmSetDomainAccessControl (
 317   IN  UINT32  Domain
 318   );
 319
 320 VOID
 321 EFIAPI
 322 ArmSetTTBR0 (
 323   IN  VOID  *TranslationTableBase
 324   );
 325
 326 VOID *
 327 EFIAPI
 328 ArmGetTTBR0BaseAddress (
 329   VOID
 330   );
 331
 332 VOID
 333 EFIAPI
 334 ArmConfigureMmu (
 335   IN  ARM_MEMORY_REGION_DESCRIPTOR  *MemoryTable,
 336   OUT VOID                          **TranslationTableBase OPTIONAL,
 337   OUT UINTN                         *TranslationTableSize  OPTIONAL
 338   );
 339
 340 BOOLEAN
 341 EFIAPI
 342 ArmMmuEnabled (
 343   VOID
 344   );
 345
 346 VOID
 347 EFIAPI
 348 ArmSwitchProcessorMode (
 349   IN ARM_PROCESSOR_MODE Mode
 350   );
 351
 352 ARM_PROCESSOR_MODE
 353 EFIAPI
 354 ArmProcessorMode (
 355   VOID
 356   );
 357
 358 VOID
 359 EFIAPI
 360 ArmEnableBranchPrediction (
 361   VOID
 362   );
 363
 364 VOID
 365 EFIAPI
 366 ArmDisableBranchPrediction (
 367   VOID
 368   );
 369
 370 VOID
 371 EFIAPI
 372 ArmSetLowVectors (
 373   VOID
 374   );
 375
 376 VOID
 377 EFIAPI
 378 ArmSetHighVectors (
 379   VOID
 380   );
 381
 382 VOID
 383 EFIAPI
 384 ArmDataMemoryBarrier (
 385   VOID
 386   );
 387
 388 VOID
 389 EFIAPI
 390 ArmDataSyncronizationBarrier (
 391   VOID
 392   );
 393
 394 VOID
 395 EFIAPI
 396 ArmInstructionSynchronizationBarrier (
 397   VOID
 398   );
 399
 400 VOID
 401 EFIAPI
 402 ArmWriteVBar (
 403   IN  UINT32   VectorBase
 404   );
 405
 406 UINT32
 407 EFIAPI
 408 ArmReadVBar (
 409   VOID
 410   );
 411
 412 VOID
 413 EFIAPI
 414 ArmWriteAuxCr (
 415   IN  UINT32    Bit
 416   );
 417
 418 UINT32
 419 EFIAPI
 420 ArmReadAuxCr (
 421   VOID
 422   );
 423
 424 VOID
 425 EFIAPI
 426 ArmSetAuxCrBit (
 427   IN  UINT32    Bits
 428   );
 429
 430 VOID
 431 EFIAPI
 432 ArmCallWFI (
 433   VOID
 434   );
 435
 436 UINTN
 437 EFIAPI
 438 ArmReadMpidr (
 439   VOID
 440   );
 441
 442 VOID
 443 EFIAPI
 444 ArmWriteCPACR (
 445   IN  UINT32   Access
 446   );
 447
 448 VOID
 449 EFIAPI
 450 ArmEnableVFP (
 451   VOID
 452   );
 453
 454 VOID
 455 EFIAPI
 456 ArmWriteNsacr (
 457   IN  UINT32   SetWayFormat
 458   );
 459
 460 VOID
 461 EFIAPI
 462 ArmWriteScr (
 463   IN  UINT32   SetWayFormat
 464   );
 465
 466 VOID
 467 EFIAPI
 468 ArmWriteVMBar (
 469   IN  UINT32   VectorMonitorBase
 470   );
 471
 472 #endif // __ARM_LIB__