request.hh (9911:676d3dcf1cc2) request.hh (9912:3de4393f5649)
1/*
2 * Copyright (c) 2012 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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81
82typedef Request* RequestPtr;
83typedef uint16_t MasterID;
84
85class Request
86{
87 public:
88 typedef uint32_t FlagsType;
1/*
2 * Copyright (c) 2012 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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81
82typedef Request* RequestPtr;
83typedef uint16_t MasterID;
84
85class Request
86{
87 public:
88 typedef uint32_t FlagsType;
89 typedef uint8_t ArchFlagsType;
89 typedef ::Flags<FlagsType> Flags;
90
90 typedef ::Flags<FlagsType> Flags;
91
91 /** ASI information for this request if it exists. */
92 static const FlagsType ASI_BITS = 0x000000FF;
92 /**
93 * Architecture specific flags.
94 *
95 * These bits int the flag field are reserved for
96 * architecture-specific code. For example, SPARC uses them to
97 * represent ASIs.
98 */
99 static const FlagsType ARCH_BITS = 0x000000FF;
93 /** The request was an instruction fetch. */
94 static const FlagsType INST_FETCH = 0x00000100;
95 /** The virtual address is also the physical address. */
96 static const FlagsType PHYSICAL = 0x00000200;
97 /** The request is an ALPHA VPTE pal access (hw_ld). */
98 static const FlagsType VPTE = 0x00000400;
99 /** Use the alternate mode bits in ALPHA. */
100 static const FlagsType ALTMODE = 0x00000800;

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417 setFlags() and not just flags(). */
418 void
419 setFlags(Flags flags)
420 {
421 assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR));
422 _flags.set(flags);
423 }
424
100 /** The request was an instruction fetch. */
101 static const FlagsType INST_FETCH = 0x00000100;
102 /** The virtual address is also the physical address. */
103 static const FlagsType PHYSICAL = 0x00000200;
104 /** The request is an ALPHA VPTE pal access (hw_ld). */
105 static const FlagsType VPTE = 0x00000400;
106 /** Use the alternate mode bits in ALPHA. */
107 static const FlagsType ALTMODE = 0x00000800;

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424 setFlags() and not just flags(). */
425 void
426 setFlags(Flags flags)
427 {
428 assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR));
429 _flags.set(flags);
430 }
431
432 void
433 setArchFlags(Flags flags)
434 {
435 assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR));
436 _flags.set(flags & ARCH_BITS);
437 }
438
425 /** Accessor function for vaddr.*/
426 Addr
427 getVaddr()
428 {
429 assert(privateFlags.isSet(VALID_VADDR));
430 return _vaddr;
431 }
432

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447
448 /** Accessor function for asid.*/
449 void
450 setAsid(int asid)
451 {
452 _asid = asid;
453 }
454
439 /** Accessor function for vaddr.*/
440 Addr
441 getVaddr()
442 {
443 assert(privateFlags.isSet(VALID_VADDR));
444 return _vaddr;
445 }
446

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461
462 /** Accessor function for asid.*/
463 void
464 setAsid(int asid)
465 {
466 _asid = asid;
467 }
468
455 /** Accessor function for asi.*/
456 uint8_t
457 getAsi()
469 /** Accessor function for architecture-specific flags.*/
470 ArchFlagsType
471 getArchFlags()
458 {
472 {
459 assert(privateFlags.isSet(VALID_VADDR));
460 return _flags & ASI_BITS;
473 assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR));
474 return _flags & ARCH_BITS;
461 }
462
463 /** Accessor function to check if sc result is valid. */
464 bool
465 extraDataValid()
466 {
467 return privateFlags.isSet(VALID_EXTRA_DATA);
468 }

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476
477 /** Accessor function to check if sc result is valid. */
478 bool
479 extraDataValid()
480 {
481 return privateFlags.isSet(VALID_EXTRA_DATA);
482 }

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